{"id":123816,"date":"2022-07-05T19:08:21","date_gmt":"2022-07-06T02:08:21","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=123816"},"modified":"2022-07-07T19:04:20","modified_gmt":"2022-07-08T02:04:20","slug":"brute-ratel-c4-tool","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/","title":{"rendered":"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>Unit 42\u306f\u3001\u65e2\u77e5\u306eAPT\u653b\u6483\u30b0\u30eb\u30fc\u30d7(Advanced Persistent Threat \u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483)\u306e\u30d1\u30bf\u30fc\u30f3\u3084\u6226\u8853\u306b\u5408\u81f4\u3059\u308b\u65b0\u305f\u306a\u72ec\u81ea\u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30f3\u30d7\u30eb\u3092\u7d99\u7d9a\u7684\u306b\u30cf\u30f3\u30c8\u3057\u3066\u3044\u307e\u3059\u30025\u670819\u65e5\u3001\u3053\u3046\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306e1\u3064\u304cVirusTotal\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u3001\u8a55\u4fa1\u3057\u305f56\u306e\u30d9\u30f3\u30c0\u3059\u3079\u3066\u304b\u3089\u826f\u6027\u3068\u3044\u3046\u5224\u5b9a\u3092\u53d7\u3051\u307e\u3057\u305f\u3002\u691c\u51fa\u306b\u307e\u3064\u308f\u308b\u61f8\u5ff5\u306f\u660e\u3089\u304b\u3067\u3059\u304c\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u3001\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3068\u3044\u3063\u305f\u70b9\u3067\u3082\u91cd\u8981\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001\u6700\u65b0\u306e\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u304a\u3088\u3073\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb<a href=\"https:\/\/bruteratel.com\/\">Brute Ratel C4<\/a>(BRc4) \u3068\u95a2\u9023\u3059\u308b\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u985e\u4f3c\u30c4\u30fc\u30eb\u306e<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cobalt-strike-ja\/\">Cobalt Strike<\/a>\u306b\u6bd4\u3079\u3066\u540d\u524d\u3053\u305d\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u305d\u306e\u6027\u80fd\u306f\u6298\u308a\u7d19\u3064\u304d\u3067\u3059\u3002\u3080\u3057\u308d\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u3068\u304f\u306bEDR (Endpoint Detection and Response)\u3084AV (Antivirus)\u6a5f\u80fd\u306b\u3088\u308b\u691c\u51fa\u3092\u907f\u3051\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u70b9\u3067\u3001\u307b\u304b\u306b\u985e\u3092\u898b\u306a\u3044\u307b\u3069\u5371\u967a\u306a\u3082\u306e\u3067\u3059\u3002\u305d\u306e\u52b9\u679c\u306f\u524d\u8ff0\u306eVirusTotal\u306e\u30d9\u30f3\u30c0\u304c\u691c\u51fa\u3067\u304d\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u3068\u304b\u3089\u3082\u660e\u3089\u304b\u3067\u3059\u3002<\/p>\n<p>C2\u306b\u95a2\u3057\u3066\u3044\u3048\u3070\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u7c73\u56fd\u306b\u3042\u308bAmazon Web Services(AWS)\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b443\u756a\u30dd\u30fc\u30c8\u7d4c\u7531\u3067\u30b3\u30fc\u30eb\u30db\u30fc\u30e0\u901a\u4fe1\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u5f53\u8a72\u30ea\u30b9\u30cb\u30f3\u30b0\u30dd\u30fc\u30c8\u4e0a\u306eX.509\u8a3c\u660e\u66f8\u306f\u3001\u7d44\u7e54\u540d\u3092\u300cMicrosoft\u300d\u3001\u7d44\u7e54\u5358\u4f4d(OU)\u3092\u300cSecurity\u300d\u3068\u3057\u3066\u3001Microsoft\u306b\u306a\u308a\u3059\u307e\u3059\u3088\u3046\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u8a3c\u660e\u66f8\u305d\u306e\u307b\u304b\u306e\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u8ef8\u306b\u3055\u3089\u306b\u8abf\u3079\u305f\u7d50\u679c\u3001\u60aa\u610f\u306e\u3042\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u5408\u8a0841\u500b\u3001BRc4\u306e\u30b5\u30f3\u30d7\u30eb\u30929\u500b\u3001\u3053\u308c\u307e\u3067\u306b\u3053\u306e\u30c4\u30fc\u30eb\u306b\u3088\u308b\u5f71\u97ff\u3092\u53d7\u3051\u305f\u5357\u5317\u30a2\u30e1\u30ea\u30ab\u306e3\u3064\u306e\u7d44\u7e54\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u30e6\u30cb\u30fc\u30af\u306a\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u65e2\u77e5\u306e<a href=\"https:\/\/attack.mitre.org\/groups\/G0016\/\">APT29<\/a>\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3084\u6700\u8fd1\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3068\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u65b9\u6cd5\u304c\u5408\u81f4\u3057\u3066\u3044\u3066\u3001\u6709\u540d\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u81ea\u5df1\u5b8c\u7d50\u578bISO\u3068\u3057\u3066\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u306eISO\u306e\u306a\u304b\u306bWindows\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8(LNK)\u30d5\u30a1\u30a4\u30eb\u3001\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9DLL\u3001Microsoft OneDrive Updater\u306e\u6b63\u898f\u30b3\u30d4\u30fc\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002ISO\u3092\u30de\u30a6\u30f3\u30c8\u3057\u305f\u30d5\u30a9\u30eb\u30c0\u304b\u3089\u3053\u306e\u6b63\u898f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u300cDLL\u691c\u7d22\u9806\u5e8f\u30cf\u30a4\u30b8\u30e3\u30c3\u30af(DLL search order hijacking)\u300d\u3068\u547c\u3070\u308c\u308b\u624b\u6cd5\u306b\u3088\u308a\u3001\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u4f9d\u5b58\u95a2\u4fc2\u3068\u3057\u3066\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u6280\u8853\u3060\u3051\u3067\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u304cAPT29\u306e\u3082\u306e\u3068\u6c7a\u3081\u3064\u3051\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3082\u306e\u306e\u3001\u3053\u3046\u3057\u305f\u30c6\u30af\u30cb\u30c3\u30af\u306f\u3053\u306e\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u624b\u304cBRc4\u3092\u5c55\u958b\u3059\u308b\u306e\u306b\u56fd\u5bb6\u30ec\u30d9\u30eb\u306e\u6280\u80fd\u3092\u7528\u3044\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001\u79c1\u305f\u3061\u306f\u4eca\u56de\u306e\u8abf\u67fb\u306f2\u3064\u306e\u70b9\u3067\u91cd\u8981\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u30021\u70b9\u3081\u306f\u307b\u3068\u3093\u3069\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u304c\u691c\u51fa\u3057\u306a\u3044\u65b0\u305f\u306a\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u80fd\u529b\u304c\u7279\u5b9a\u3055\u308c\u305f\u3053\u3068\u30022\u70b9\u3081\u306e\u3055\u3089\u306b\u91cd\u8981\u306a\u3053\u3068\u306f\u3001\u3044\u307e\u3084\u56fd\u5bb6\u30ec\u30d9\u30eb\u306e\u5c55\u958b\u30c6\u30af\u30cb\u30c3\u30af\u306e\u4f7f\u3044\u624b\u3068\u8a55\u3059\u3079\u304d\u80fd\u529b\u304c\u7279\u5b9a\u3055\u308c\u3001\u3057\u304b\u3082\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u30d9\u30fc\u30b9\u306f\u62e1\u5927\u4e2d\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u672c\u7a3f\u306f\u3001BRc4\u306e\u6982\u8981\u3001\u60aa\u8cea\u306a\u30b5\u30f3\u30d7\u30eb\u306e\u8a73\u7d30\u306a\u5206\u6790\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3068\u6700\u8fd1\u306eAPT29\u30b5\u30f3\u30d7\u30eb\u306e\u6bd4\u8f03\u3001\u3053\u306e\u6d3b\u52d5\u306e\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u306b\u4f7f\u3048\u308bIoC(indicators of compromise)\u4e00\u89a7\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u3059\u3079\u3066\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u306b\u540c\u30c4\u30fc\u30eb\u306e\u6d3b\u52d5\u3092\u691c\u51fa\u3059\u308b\u4fdd\u8b77\u5bfe\u7b56\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3059\u3079\u3066\u306e\u7d44\u7e54\u306b\u3053\u306e\u30c4\u30fc\u30eb\u306e\u6d3b\u52d5\u306b\u8b66\u6212\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u8105\u5a01\u9632\u5fa1\u3001Cortex XDR\u3001WildFire\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u89e3\u6790\u3092\u901a\u3058\u3001\u672c\u7a3f\u3067\u89e3\u8aac\u3059\u308b\u8105\u5a01\u304b\u3089\u306e\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"font-weight: 400;\">\u672c\u7a3f\u306b\u95a2\u9023\u3057\u3066\u89b3\u6e2c\u3055\u308c\u305f\u30c6\u30af\u30cb\u30c3\u30af\u3084\u305d\u308c\u306b\u5bfe\u5fdc\u3057\u3066\u3068\u308b\u3079\u304d\u884c\u52d5\u6307\u91dd\u5168\u4f53 (CoA) \u3092\u8996\u899a\u5316\u3057\u305f\u5185\u5bb9\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/unit42.paloaltonetworks.com\/atoms\/brute-ratel\">Unit 42\u306eATOM\u30d3\u30e5\u30fc\u30a2<\/a>\u304b\u3089\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<table style=\"width: 93.9066%;\">\n<tbody>\n<tr>\n<td style=\"width: 50.9091%;\"><span style=\"font-weight: 400;\">Unit 42\u306e\u95a2\u9023\u30c8\u30d4\u30c3\u30af<\/span><\/td>\n<td style=\"width: 204.848%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/apt-29-ja\/\"><span style=\"font-weight: 400;\">APT29<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cobalt-strike-ja\/\"><span style=\"font-weight: 400;\">Cobalt Strike<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u76ee\u6b21<\/h2>\n<p><a href=\"#Brute-Ratel-C4-Overview\">Brute Ratel C4\u306e\u6982\u8981<\/a><br \/><a href=\"#From-Click-to-Brute\">\u30af\u30ea\u30c3\u30af\u304b\u3089Brute\u3078<\/a><br \/><a href=\"#Packaging-of-RoshanCV\">Roshan_CV.iso\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0<\/a><br \/><a href=\"#Modification-of-Versiondll\">version.dll\u306e\u5909\u66f4<\/a><br \/><a href=\"#x64-Shellcode\">x64\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9: \u5fa9\u53f7\u3057\u305fOneDrive.Update<\/a><br \/><a href=\"#Target-Network-Infrastructure\">\u6a19\u7684\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30e9<\/a><br \/><a href=\"#Identifying-OneDriveUpdate\">OneDrive.Update\u306e\u7279\u5b9a<\/a><br \/><a href=\"#Badgerx64-exe-Employment\">badger_x64.exe\u306e\u4f7f\u7528<\/a><br \/><a href=\"#Other-Samples-and-Infrastructure\">\u305d\u306e\u307b\u304b\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u30a4\u30f3\u30d5\u30e9<\/a><br \/><a href=\"#Protections-and-Mitigations\">\u4fdd\u8b77\u3068\u7de9\u548c\u7b56<\/a><br \/><a href=\"#Conclusion\">\u7d50\u8ad6<\/a><br \/><a href=\"#Indicators-of-Compromise\">IoC<\/a><br \/><a href=\"#Additional-Resources\">\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/a><\/p>\n<h2><a id=\"Brute-Ratel-C4-Overview\"><\/a>Brute Ratel C4\u306e\u6982\u8981<\/h2>\n<p>Brute Ratel C4\u306f2020\u5e7412\u6708\u306b\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8(\u30da\u30f3\u30c6\u30b9\u30c8)\u30c4\u30fc\u30eb\u3068\u3057\u3066\u30c7\u30d3\u30e5\u30fc\u3057\u307e\u3057\u305f\u3002\u5f53\u521d\u306f\u30a4\u30f3\u30c9\u5728\u4f4f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u3001Chetan Nayak(\u5225\u540dParanoid Ninja)\u6c0f\u304c\u7a7a\u304d\u6642\u9593\u306b\u958b\u767a\u3092\u9032\u3081\u3066\u3044\u305f\u3082\u306e\u3067\u3059\u3002Nayak\u6c0f\u306eWeb\u30b5\u30a4\u30c8(<a href=\"https:\/\/0xdarkvortex.dev\/about\/\">Dark Vortex<\/a>)\u306b\u3088\u308b\u3068\u3001Nayak\u6c0f\u306f\u6b27\u7c73\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u3067\u30b7\u30cb\u30a2\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u3068\u3057\u3066\u6570\u5e74\u306e\u52e4\u52d9\u7d4c\u9a13\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u3053\u308c\u307e\u30672\u5e74\u534a\u3092\u304b\u3051\u3001Nayak\u6c0f\u306f\u5f53\u8a72\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u306e\u6a5f\u80fd\u3001\u6027\u80fd\u3001\u30b5\u30dd\u30fc\u30c8\u3001\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u9762\u3092\u3059\u3053\u3057\u305a\u3064\u6539\u5584\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>2022\u5e741\u6708\u3001Nayak\u6c0f\u306f\u672c\u683c\u7684\u306b\u958b\u767a\u30fb\u80b2\u6210\u306e\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3092\u884c\u3046\u305f\u3081\u306b\u672c\u696d\u3092\u8f9e\u3057\u3001\u540c\u6708\u3001\u300cBrute Ratel\u306b\u3068\u3063\u3066\u3053\u308c\u307e\u3067\u3067\u6700\u5927\u306e\u30ea\u30ea\u30fc\u30b9\u300d\u3068\u8a55\u3055\u308c\u308bBrute Ratel v0.9.0(<a href=\"https:\/\/bruteratel.com\/release\/2022\/01\/24\/Release-Checkmate\/\">Checkmate<\/a>) \u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_123770\" aria-describedby=\"caption-attachment-123770\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123771 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image.png\" alt=\"Checkmate\u306e\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u3002\u300cBrute Ratel v0.9.0 (Checkmate) \u306f\u3001Brute Ratel \u306e\u3053\u308c\u307e\u3067\u3067\u6700\u5927\u306e\u30ea\u30ea\u30fc\u30b9\u300d\u3068\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001Brute Ratel\u306b\u5927\u304d\u306a\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"169\" \/><figcaption id=\"caption-attachment-123770\" class=\"wp-caption-text\">\u56f31. Checkmate\u306e\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u3053\u3053\u3067\u6c17\u306b\u306a\u308b\u306e\u304c\u3001\u30ea\u30ea\u30fc\u30b9\u306e\u8aac\u660e\u306b\u300c\u672c\u30ea\u30ea\u30fc\u30b9\u306f\u8907\u6570\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30ebEDR\u88fd\u54c1\u3068\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u88fd\u54c1\u306eDLL\u3092\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3057\u3066\u4f5c\u3089\u308c\u305f\u300d\u3068\u660e\u8a18\u3055\u308c\u3066\u3044\u308b\u70b9\u3067\u3059\u3002<\/p>\n<p>\u672c\u5206\u6790\u306f\u3001\u5175\u5668\u8ee2\u7528\u53ef\u80fd\u306a\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u306e\u958b\u767a\u30fb\u4f7f\u7528\u306b\u95a2\u3059\u308b\u502b\u7406\u3092\u3081\u3050\u308a\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u696d\u754c\u5185\u3067\u6301\u3061\u4e0a\u304c\u3063\u3066\u3044\u308b\u3001\u3057\u304b\u308b\u3079\u304d\u8b70\u8ad6\u3092\u5f37\u8abf\u3059\u308b\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>BRc4\u306f\u73fe\u5728\u3001\u300c\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u3084\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u7528\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305fC2\u30bb\u30f3\u30bf\u30fc(A Customized Command and Control Center for Red Team and Adversary Simulation)\u300d\u3068\u81ea\u3089\u3092\u5ba3\u4f1d\u3057\u3066\u3044\u307e\u3059\u30025\u670816\u65e5\u306bNayak\u6c0f\u306f\u540c\u30c4\u30fc\u30eb\u304c350\u540d\u306e\u9867\u5ba2\u3067480\u540d\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u7372\u5f97\u3057\u3066\u3044\u308b\u3068\u516c\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123772\" aria-describedby=\"caption-attachment-123772\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123773 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-1.png\" alt=\"Paranoid Ninja (Brute Ratel C4)\u306eTwitter\u6295\u7a3f\u3002\u300c\u524d\u9031Brute Ratel\u306e\u9867\u5ba2\u6570\u304c350\u3092\u8d85\u3048\u30e9\u30a4\u30bb\u30f3\u30b9\u6570\u3082480\u3092\u8d85\u3048\u305f\u3053\u3068\u3092\u767a\u8868\u3067\u304d\u975e\u5e38\u306b\u3046\u308c\u3057\u3044\u300d#BRc4 \u306f2\u5e74\u524d\u3001\u8da3\u5473\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u59cb\u307e\u3063\u305f\u3082\u306e\u3067\u3001\u305d\u306e\u5f8c\u5546\u7528\u5316\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u5f53\u521d\u306eBRc4\u306f\u307b\u3093\u3068\u3046\u306b\u30d9\u30fc\u30b7\u30c3\u30af\u306a\u6a5f\u80fd\u3057\u304b\u306a\u304f\u3001\u30d0\u30b0\u3082\u5c11\u306a\u304f\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u59cb\u3081\u305f\u3068\u304d\u306f\u305d\u306e\u5f8c\u3069\u3046\u306a\u308b\u304b\u306b\u3064\u3044\u3066\u305d\u308c\u76f8\u5fdc\u306e\u4e0d\u5b89\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u305f\u3060\u3001\u591a\u304f\u306e\u30d5\u30a9\u30ed\u30ef\u30fc\u3055\u3093\u304c\u79c1\u3068\u88fd\u54c1\u306b\u4fe1\u983c\u3092\u5bc4\u305b\u3066\u304f\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3057\u305f\u3002\u304a\u5ba2\u69d8\u304c\u30c1\u30e3\u30f3\u30cd\u30eb\u3067\u8b70\u8ad6\u3057\u3066\u4f55\u304b\u3042\u308c\u3070\u5831\u544a\u3067\u304d\u308b\u3088\u3046\u3001Discord\u3067\u306e\u30b5\u30dd\u30fc\u30c8\u5168\u4f53\u3092\u900f\u660e\u5316\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304b\u3089\u306e\u591a\u304f\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3068\u30b5\u30dd\u30fc\u30c8\u306e\u304a\u304b\u3052\u3067\u3001BRc4\u306f\u30ea\u30ea\u30fc\u30b9\u3054\u3068\u306b\u6539\u826f\u3055\u308c\u3001\u5e02\u5834\u306e\u3069\u306eC2\u3088\u308a\u591a\u304f\u306e\u6a5f\u80fd\u3092\u6301\u3061\u3001\u5b89\u5b9a\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4eca\u5f8c\u6570\u30f6\u6708\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u306b\u306f\u3001\u3068\u3093\u3067\u3082\u306a\u3044\u6570\u306e\u6a5f\u80fd\u304c\u5f85\u3063\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"1096\" \/><figcaption id=\"caption-attachment-123772\" class=\"wp-caption-text\">\u56f32. BRC4\u306e\u9867\u5ba2\u3078\u306e\u767a\u8868\u3002\u51fa\u5178: https:\/\/twitter.com\/NinjaParanoid\/status\/1526110403356282880<\/figcaption><\/figure>\n<p>\u6700\u65b0\u7248\u306eBrute Ratel v1.0 (Sicilian Defense)\u306f\u3001\u7fcc5\u670817\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001\u73fe\u57281\u30e6\u30fc\u30b6\u30fc2,500\u30c9\u30eb\u30011\u66f4\u65b0\u3042\u305f\u308a2,250\u30c9\u30eb\u3067\u8ca9\u58f2\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5c0f\u58f2\u4fa1\u683c\u3068\u9867\u5ba2\u57fa\u76e4\u3067BRc4\u306f\u4eca\u5f8c1\u5e74\u9593\u3067100\u4e07\u30c9\u30eb\u4ee5\u4e0a\u306e\u58f2\u4e0a\u3092\u4e0a\u3052\u3089\u308c\u308b\u3068\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><figure id=\"attachment_123774\" aria-describedby=\"caption-attachment-123774\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123775 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-2.png\" alt=\"Brute Ratel\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u3068\u30b3\u30b9\u30c8: \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3001E\u30e1\u30fc\u30eb\/Discord\u30b5\u30dd\u30fc\u30c8\u3001\u30d0\u30b0\u30d5\u30a3\u30c3\u30af\u30b9\u3001\u30e9\u30a4\u30bb\u30f3\u30b9\u304c\u5207\u308c\u308b\u307e\u3067\u306e\u3059\u3079\u3066\u306e\u65b0\u6a5f\u80fd\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30e9\u30a4\u30bb\u30f3\u30b9\u8cbb\u7528: 1\u30e6\u30fc\u30b6\u30fc\u3042\u305f\u308a2500\u30c9\u30eb\u3002\u7a0e\u8fbc\u307f(\u305f\u3060\u3057\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u7269\u54c1\u30b5\u30fc\u30d3\u30b9\u7a0e\u8ffd\u52a0) 1\u5e74\u9593\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u3002\u30c7\u30e2\u306e\u3054\u4f9d\u983c\u306f[\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9]\u307e\u3067\u3002\u30e9\u30a4\u30bb\u30f3\u30b9\u66f4\u65b0: 1\u30e6\u30fc\u30b6\u30fc\u3042\u305f\u308a2,250\u30c9\u30eb(\u7a0e\u8fbc)\u3002 \" width=\"900\" height=\"386\" \/><figcaption id=\"caption-attachment-123774\" class=\"wp-caption-text\">\u56f33. BRc4\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u3068\u30b3\u30b9\u30c8<\/figcaption><\/figure>BRc4\u306f\u6b21\u306e\u6a5f\u80fd\u304c\u3042\u308b\u3068\u55a7\u4f1d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>SMB\/TCP\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u304cSlack\u3001Discord\u3001Microsoft Teams\u306a\u3069\u6b63\u898fWeb\u30b5\u30a4\u30c8\u7d4c\u7531\u3067\u306e\u30ab\u30b9\u30bf\u30e0\u5916\u90e8C2\u30c1\u30e3\u30f3\u30cd\u30eb\u4f5c\u6210\u6a5f\u80fd\u3092\u63d0\u4f9b<\/li>\n<li>EDR\u306e\u30e6\u30fc\u30b6\u30e9\u30f3\u30c9\u30d5\u30c3\u30af\u3092\u691c\u51fa\u3059\u308b\u30c7\u30d0\u30c3\u30ac\u3092\u5185\u8535<\/li>\n<li>EDR\u3084AV\u304b\u3089\u306e\u30e1\u30e2\u30ea\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u96a0\u853d\u6a5f\u80fd<\/li>\n<li>Windows SYS\u306e\u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u3067\u306e\u76f4\u63a5\u547c\u3073\u51fa\u3057<\/li>\n<li>Egress\u306bHTTP\u3001HTTPS\u3001DNS Over HTTPS\u3001SMB\u3001TCP\u3092\u5229\u7528\u53ef\u80fd<\/li>\n<li>LDAP Sentinel\u304c\u30c9\u30e1\u30a4\u30f3\u3084\u30d5\u30a9\u30ec\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u3055\u307e\u3056\u307e\u306aLDAP\u30af\u30a8\u30ea\u3092\u884c\u3046\u30ea\u30c3\u30c1\u306aGUI\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u8907\u6570\u5229\u7528\u53ef: SMB\u3001TCP\u3001WMI\u3001WinRM\u306a\u3069\u8907\u6570\u306e\u30d4\u30dc\u30c3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u53ef\u80fd\u3001RPC\u306b\u3088\u308b\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d3\u30b9\u7ba1\u7406\u304c\u53ef\u80fd<\/li>\n<li>\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u64ae\u5f71<\/li>\n<li>x64\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u30ed\u30fc\u30c0<\/li>\n<li>\u53cd\u5c04\u578b\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u30ed\u30fc\u30c0<\/li>\n<li>Kerberos\u30c1\u30b1\u30c3\u30c8\u3092\u5fa9\u53f7\u3057\u3066hashcat\u306b\u5909\u63db<\/li>\n<li>Windows\u30a4\u30d9\u30f3\u30c8\u30c8\u30ec\u30fc\u30b7\u30f3\u30b0 (ETW) \u3078\u306e\u30d1\u30c3\u30c1\u9069\u7528<\/li>\n<li>\u30de\u30eb\u30a6\u30a7\u30a2\u5bfe\u7b56\u30b9\u30ad\u30e3\u30f3 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9(AMSI)\u3078\u306e\u30d1\u30c3\u30c1\u9069\u7528<\/li>\n<li>Windows\u30b7\u30b9\u30c6\u30e0\u30b5\u30fc\u30d3\u30b9\u306e\u4f5c\u6210<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\/\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/li>\n<li>CreateFileTransacted\u7d4c\u7531\u306e\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210<\/li>\n<li>\u30dd\u30fc\u30c8\u30b9\u30ad\u30e3\u30f3<\/li>\n<\/ul>\n<h2><a id=\"From-Click-to-Brute\"><\/a>\u30af\u30ea\u30c3\u30af\u304b\u3089Brute\u3078<\/h2>\n<figure id=\"attachment_123776\" aria-describedby=\"caption-attachment-123776\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123777 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-3.png\" alt=\"Roshan_CV\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u5bfe\u3059\u308bVirusTotal\u306e\u5224\u5b9a\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 \" width=\"900\" height=\"303\" \/><figcaption id=\"caption-attachment-123776\" class=\"wp-caption-text\">\u56f34. Roshan_CV\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u5bfe\u3059\u308bVirusTotal\u306e\u5224\u5b9a\u7d50\u679c(2022\u5e746\u670827\u65e5\u6642\u70b9)<\/figcaption><\/figure>\n<p>VirusTotal \u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b<span style=\"font-family: 'courier new', courier, monospace;\">Roshan_CV.iso<\/span> (SHA256:<span style=\"font-family: 'courier new', courier, monospace;\">1FC7B0E1054D54CE8F1DE0CC95976081C7A85C7926C03172A3DDAA672690042C<\/span>) \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u306f\u3001Roshan \u3068\u3044\u3046\u540d\u524d\u306e\u3042\u308b\u500b\u4eba\u306eCV (\u8077\u52d9\u7d4c\u6b74\u3092\u542b\u3080\u5c65\u6b74\u66f8)\u3068\u601d\u308f\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f2022\u5e745\u670819\u65e5\u306b\u30b9\u30ea\u30e9\u30f3\u30ab\u304b\u3089VirusTotal\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306eISO\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u62e1\u5f35\u5b50\u306f\u3001\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb(International Organization for Standardization)\u306eISO 9960\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u6d3e\u751f\u3057\u305f\u5149\u30c7\u30a3\u30b9\u30af\u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u3057\u3066\u3044\u3066\u3001CD\/DVD\u306e\u30d5\u30a1\u30a4\u30eb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3082\u306e\u3067\u3059\u3002ISO\u30d5\u30a1\u30a4\u30eb\u306f\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u304c\u5fc5\u8981\u3067\u3059\u3002\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3055\u308c\u308b\u3068\u3001\u3053\u306eISO\u306fWindows\u30c9\u30e9\u30a4\u30d6\u3068\u3057\u3066\u30de\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059\u3002\u6700\u7d42\u7684\u306bISO\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001ISO\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u30e6\u30fc\u30b6\u30fc\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123778\" aria-describedby=\"caption-attachment-123778\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123779 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-4.png\" alt=\"\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306f\u3001ISO\u30a4\u30e1\u30fc\u30b8\u306e\u95b2\u89a7\u6642\u306b\u8868\u793a\u3055\u308c\u308bRoshan-Bandara-CV-Dialog\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3067\u3059\u3002 \" width=\"900\" height=\"390\" \/><figcaption id=\"caption-attachment-123778\" class=\"wp-caption-text\">\u56f35. ISO\u30a4\u30e1\u30fc\u30b8\u3092\u95b2\u89a7\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u56f35\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Roshan-Bandara_CV_Dialog<\/span>\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u507d\u306eMicrosoft Word\u30a2\u30a4\u30b3\u30f3\u753b\u50cf\u304c\u3064\u3044\u3066\u3044\u3066\u3001Microsoft Word\u3067\u4f5c\u6210\u3055\u308c\u305f\u500b\u4eba\u306e\u5c65\u6b74\u66f8\u3092\u88c5\u3063\u3066\u3044\u307e\u3059\u3002\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\u304b\u3089\u3053\u306eISO\u304c2022\u5e745\u670817\u65e5\u306b\u4f5c\u3089\u308c\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u304c\u3001\u304f\u3057\u304f\u3082\u3053\u308c\u306f\u65b0\u305f\u306aBRc4\u306e\u30ea\u30ea\u30fc\u30b9\u65e5\u3068\u540c\u65e5\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30de\u30b7\u30f3\u306bBrute Ratel C4\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Windows OS\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u56f36\u3067\u306f\u3001\u8868\u793a\u3055\u308c\u306a\u30444\u3064\u306e\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u304c\u6709\u52b9\u306a\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123780\" aria-describedby=\"caption-attachment-123780\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123781 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-5.png\" alt=\"\u3068 \" width=\"900\" height=\"389\" \/><figcaption id=\"caption-attachment-123780\" class=\"wp-caption-text\">\u56f36. \u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u3092\u6709\u52b9\u306b\u3057\u3066ISO\u30a4\u30e1\u30fc\u30b8\u3092\u8868\u793a\u3057\u305f\u5834\u5408\u306e\u898b\u3048\u304b\u305f<\/figcaption><\/figure>\n<p>\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u898b\u3048\u308b\u30eb\u30a2\u30fc(\u304a\u3068\u308a)\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001Windows\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u30d5\u30a1\u30a4\u30eb(LNK)\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123782\" aria-describedby=\"caption-attachment-123782\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123783 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-6.png\" alt=\"Roshan-Bandara-CV-Dialog\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u958b\u3044\u305f\u3068\u304d\u306b\u8868\u793a\u3055\u308c\u308b\u5185\u5bb9\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 \" width=\"900\" height=\"835\" \/><figcaption id=\"caption-attachment-123782\" class=\"wp-caption-text\">\u56f37 Roshan-Bandara_CV_Dialog\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/figcaption><\/figure>\n<p>Microsoft\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u30d5\u30a1\u30a4\u30eb(\u62e1\u5f35\u5b50<span style=\"font-family: 'courier new', courier, monospace;\">.lnk<\/span>\u306e\u30d5\u30a1\u30a4\u30eb)\u306b\u306f\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u8c4a\u5bcc\u306b\u542b\u307e\u308c\u3066\u3044\u3066\u3001\u3053\u3053\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u306b\u95a2\u3059\u308b\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8(\u75d5\u8de1\u60c5\u5831)\u3092\u5f97\u3089\u308c\u307e\u3059\u3002\u540c\u30d5\u30a1\u30a4\u30eb\u306e\u4e3b\u8981\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u4e0b\u8a18\u306b\u4e00\u89a7\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ea\u30f3\u30af\u306eCLSID: <span style=\"font-family: 'courier new', courier, monospace;\">20D04FE0-3AEA-1069-A2D8-08002B30309D<\/span>\n<ul>\n<li>\u3053\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u308bCLSID\u306f\u901a\u5e38\u306eLNK\u30d5\u30a1\u30a4\u30eb\u306eCLSID\u3067\u306f\u306a\u3044\u3002\u3053\u306eCLSID\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb(\u5e38\u306b\u30a2\u30a4\u30b3\u30f3\u8868\u793a)\u306b\u7d10\u4ed8\u3044\u3066\u3044\u308b\u3082\u306e<\/li>\n<\/ul>\n<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570:  <span style=\"font-family: 'courier new', courier, monospace;\">%windir%\/system32\/cmd.exe \/c start OneDriveUpdater.exe<\/span><\/li>\n<li>\u30a2\u30a4\u30b3\u30f3\u306e\u5834\u6240: <span style=\"font-family: 'courier new', courier, monospace;\">C:\\Program Files\\Microsoft Office\\root\\Office16\\WINWORD.EXE<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Roshan-Bandara_CV_Dialog<\/span>\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">cmd.exe<\/span>\u3092\u6b21\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3057\u3066\u8d77\u52d5:\n<ol style=\"list-style-type: lower-alpha;\">\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\/c start OneDriveUpdater.exe<\/span> (<span style=\"font-family: 'courier new', courier, monospace;\">\/c<\/span>\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u30ab\u30ec\u30f3\u30c8 \u30ef\u30fc\u30ad\u30f3\u30b0 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089Windows\u306e\u30b9\u30bf\u30fc\u30c8\u30b3\u30de\u30f3\u30c9\u7d4c\u7531\u3067<span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u3092\u8d77\u52d5\u3057\u3066\u304b\u3089\u7d42\u4e86\u3059\u308b\u3088\u3046<span style=\"font-family: 'courier new', courier, monospace;\">cmd.exe<\/span>\u306b\u6307\u793a\u3059\u308b)\u3002<\/li>\n<\/ol>\n<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u306f\u30ed\u30fc\u30ab\u30eb\u30de\u30b7\u30f3\u306e\u30c7\u30fc\u30bf\u3092\u30af\u30e9\u30a6\u30c9\u306b\u540c\u671f\u3059\u308b\u3055\u3044\u306b\u4f7f\u3046Microsoft\u306e\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u304c\u3064\u3044\u305f\u30d0\u30a4\u30ca\u30ea\u3067\u3059\u3002\u3053\u308c\u3058\u305f\u3044\u306f\u60aa\u8cea\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u5358\u306b\u30a2\u30af\u30bf\u30fc\u306eDLL\u3092\u30ed\u30fc\u30c9\u3059\u308b\u306e\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u4ee5\u4e0b\u306e\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002\n<ol style=\"list-style-type: lower-alpha;\">\n<li><span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u306f<span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u3068\u4f9d\u5b58\u95a2\u4fc2\u306b\u3042\u308bDLL\u3067\u3001<span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u3068\u540c\u3058\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u3053\u3053\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002<\/li>\n<li>\u30a2\u30af\u30bf\u30fc\u306f\u3053\u306eversion.dll\u3092\u5909\u66f4\u6e08\u307f\u3067\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306eOneDrive.update\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5909\u66f4\u304c\u30d5\u30a1\u30a4\u30eb\u3092\u5fa9\u53f7\u3057\u3001\u30e1\u30e2\u30ea\u5185\u306b\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306e\u7b2c1\u6bb5\u968e\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u6a5f\u80fd\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u30a2\u30af\u30bf\u30fc\u306fDLL API\u30d7\u30ed\u30ad\u30b7\u3092\u4f7f\u3063\u3066vresion.dll (\u7db4\u308a\u304c\u9055\u3046\u3053\u3068\u306b\u6ce8\u610f)\u3068\u3044\u3046\u540d\u524d\u306e\u6b63\u898f\u306eversion.dll\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002vresion.dll \u306f\u3001\u30a2\u30af\u30bf\u30fc\u304c\u5909\u66f4\u6e08\u307f\u306eversion.dll\u306e\u4f9d\u5b58\u30d5\u30a1\u30a4\u30eb\u3067\u3001\u30a2\u30af\u30bf\u30fc\u306eversion.dll\u3068\u3068\u3082\u306b\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\u3053\u306e\u30a4\u30f3\u30e1\u30e2\u30ea\u30b3\u30fc\u30c9\u304cBrute Ratel C4\u3067\u3001\u3053\u308c\u304cRuntimeBroker.exe\u30d7\u30ed\u30bb\u30b9\u7a7a\u9593\u306eWindows\u30b9\u30ec\u30c3\u30c9\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u3001443\/tcp\u7d4c\u7531\u3067IP 174.129.157[.]251\u3068\u306e\u901a\u4fe1\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u56f38\u306f\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6982\u8981\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123784\" aria-describedby=\"caption-attachment-123784\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123785 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-7-ja.png\" alt=\"Rosahan-Bandara-CV-Dialog &gt; cmd.exe\u306e\u5b9f\u884c &gt; OneDriveUpdate.exe\u306e\u5b9f\u884c(cmd.exe\u7d4c\u7531) &gt; version.dll &gt; OneDrive.Update &gt; \u30a2\u30af\u30bf\u30fc\" width=\"900\" height=\"1029\" \/><figcaption id=\"caption-attachment-123784\" class=\"wp-caption-text\">\u56f38 Roshan-Bandara_CV_Dialog\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306e\u5b9f\u884c\u30d5\u30ed\u30fc<\/figcaption><\/figure>\n<h2><a id=\"Packaging-of-RoshanCV\"><\/a>Roshan_CV.ISO\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0<\/h2>\n<p>ISO\u30d5\u30a1\u30a4\u30eb<span style=\"font-family: 'courier new', courier, monospace;\">Roshan_CV.ISO<\/span>\u306e\u69cb\u6210\u306f\u307b\u304b\u306e\u56fd\u5bb6\u652f\u63f4\u578bAPT\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306eISO\u30d5\u30a1\u30a4\u30eb\u69cb\u6210\u3068\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Roshan_CV.ISO<\/span>\u3068\u4ee5\u524d\u306b\u7279\u5b9a\u6e08\u307f\u306eAPT29\u306e\u30b5\u30f3\u30d7\u30eb<span style=\"font-family: 'courier new', courier, monospace;\">(Decret.ISO<\/span>)\u3068\u3092\u4e26\u3079\u3066\u6bd4\u8f03\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123786\" aria-describedby=\"caption-attachment-123786\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123787 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-8-ja.png\" alt=\"Roshan\u306e\u30d5\u30a1\u30a4\u30eb\u3068Decret\u306e\u30d5\u30a1\u30a4\u30eb(\u65e2\u77e5\u306eAPT29\u306e\u30b5\u30f3\u30d7\u30eb)\u3068\u306e\u6bd4\u8f03\u3002\u3053\u3053\u304b\u3089\u306f\u3001\u3069\u3061\u3089\u3082\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u6e08\u307f\u306e\u4fe1\u983c\u3055\u308c\u3066\u3044\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u60aa\u7528\u3057\u3001\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u307f\u3001\u5171\u901a\u306e\u30d5\u30a1\u30a4\u30eb\u62e1\u5f35\u5b50\u3092\u6301\u3061\u3001\u300c\u304a\u3068\u308a\u300d\u3068\u3057\u3066\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8(LNK)\u30d5\u30a1\u30a4\u30eb\u3092\u30c9\u30ed\u30c3\u30d7\u3057\u3001\u507d\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u4f7f\u3044\u3001version.dll\u3092\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002Roshan\u306f\u6697\u53f7\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001Decret\u306f\u3061\u304c\u3044\u307e\u3059\u3002\u307e\u305f\u3053\u306e\u56f3\u306b\u306f\u4e21\u30d5\u30a1\u30a4\u30eb\u306eSHA-256\u30cf\u30c3\u30b7\u30e5\u3082\u542b\u3081\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"402\" \/><figcaption id=\"caption-attachment-123786\" class=\"wp-caption-text\">\u88681. \u65e2\u77e5\u306eAPT29\u30b5\u30f3\u30d7\u30eb\u3068\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5c55\u958b\u5185\u5bb9\u3092\u6bd4\u8f03<\/figcaption><\/figure>\n<p>\u4ee5\u4e0b\u306e\u56f3\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Roshan_CV.ISO<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">Decret.ISO<\/span>\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u898b\u3048\u304b\u305f\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u56f39\u306fWindows\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u306e\u753b\u9762\u3067\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u306b\u30c1\u30a7\u30c3\u30af\u304c\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u60aa\u610f\u306e\u3042\u308b\u6d3b\u52d5\u3092\u958b\u59cb\u3059\u308b\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u30d5\u30a1\u30a4\u30eb(LNK\u30d5\u30a1\u30a4\u30eb)\u304c\u30e6\u30fc\u30b6\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123788\" aria-describedby=\"caption-attachment-123788\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123789 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-9.png\" alt=\"Decret\u3068Roshan\u306f\u3044\u305a\u308c\u3082\u30de\u30a6\u30f3\u30c8\u3055\u308c\u305fISO\u30a4\u30e1\u30fc\u30b8\u5185\u306b\u30d5\u30a1\u30a4\u30eb\u30921\u3064\u3060\u3051\u8868\u793a\u3059\u308b \" width=\"900\" height=\"265\" \/><figcaption id=\"caption-attachment-123788\" class=\"wp-caption-text\">\u56f39 \u30de\u30a6\u30f3\u30c8\u3057\u305fISO\u30a4\u30e1\u30fc\u30b8\u3092\u6a2a\u306b\u4e26\u3079\u3066\u6bd4\u8f03\u3057\u305f\u3082\u306e\u3002\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u72b6\u614b<\/figcaption><\/figure>\n<p>\u56f310\u306f\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u3092\u6709\u52b9\u306b\u3057\u3066\u95b2\u89a7\u3057\u305f\u5834\u5408\u306eISO\u306e\u898b\u3048\u304b\u305f\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123790\" aria-describedby=\"caption-attachment-123790\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123791 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-10.png\" alt=\"\u3044\u3064 \" width=\"900\" height=\"259\" \/><figcaption id=\"caption-attachment-123790\" class=\"wp-caption-text\">\u56f310 \u30de\u30a6\u30f3\u30c8\u3057\u305fISO\u30a4\u30e1\u30fc\u30b8\u3092\u6a2a\u306b\u4e26\u3079\u3066\u6bd4\u8f03\u3057\u305f\u3082\u306e\u3002\u96a0\u3057\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u304c\u6709\u52b9\u306b\u306a\u3063\u305f\u72b6\u614b<\/figcaption><\/figure>\n<p>\u5b9f\u884c\u30d5\u30ed\u30fc\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Roshan_CV.ISO\u2192Roshan-Bandar_CV_Dialog.LNK\u2192cmd.exe\u2192OneDriveUpdater.exe\u2192version.dll\u2192OneDrive.Update<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Decret.ISO\u2192Decret.LNK\u2192cmd.exe\u2192HPScan.exe\u2192version.dll\u2192HPScanApi.dll<\/span><\/p>\n<p>\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3055\u308c\u305fISO\u30d5\u30a1\u30a4\u30eb\u306e\u914d\u4fe1\u306f\u3001\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u9001\u4fe1\u3055\u308c\u308b\u304b\u3001\u7b2c2\u6bb5\u968e\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c0\u306b\u3088\u3063\u3066\u88ab\u5bb3\u8005\u74b0\u5883\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u30d1\u30bf\u30fc\u30f3\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u7279\u5b9a\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u6a19\u7684\u74b0\u5883\u306b\u914d\u4fe1\u3055\u308c\u305f\u304b\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u30015\u670819\u65e5\u304b\u308920\u65e5\u306b\u304b\u3051\u3066\u306f3\u3064\u306e\u30b9\u30ea\u30e9\u30f3\u30ab\u5185\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306eC2\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u8a66\u884c\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"Modification-of-Versiondll\"><\/a>version.dll\u306e\u5909\u66f4<\/h2>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u306fC++\u3067\u8a18\u8ff0\u3055\u308c\u305f\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u6b63\u898f\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u57cb\u3081\u8fbc\u307e\u308c\u305f\u30b3\u30fc\u30c9\u306f\u6697\u53f7\u5316\u6e08\u307f\u30da\u30a4\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306e\u30ed\u30fc\u30c9\u3068\u5fa9\u53f7\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306fx64\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9(\u30a2\u30bb\u30f3\u30d6\u30ea\u547d\u4ee4)\u3067\u3001\u81ea\u8eab\u306e\u89e3\u51cd\u306e\u305f\u3081\u306b\u4e00\u9023\u306e\u547d\u4ee4\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u7528\u306b<span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u306e\u30b3\u30fc\u30c9\u6a5f\u80fd\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u30a2\u30af\u30bf\u30fc\u306f\u6b63\u898f\u306e\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u4ed8\u304dMicrosoft\u88fd<span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u3092\u542b\u3081\u3066\u3053\u308c\u306b<span style=\"font-family: 'courier new', courier, monospace;\">vresion.dll<\/span>\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u3066\u3044\u307e\u3059(\u7db4\u308a\u304cversion\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f)\u3002<span style=\"font-family: 'courier new', courier, monospace;\">OneDriveUpdater.exe<\/span>\u304c\u30a2\u30af\u30bf\u30fc\u306e<span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u3092\u547c\u3073\u51fa\u3059\u3068\u3001\u305d\u306e\u547c\u3073\u51fa\u3057\u306f<span style=\"font-family: 'courier new', courier, monospace;\">vresion.dll<\/span>\u306b\u3059\u3079\u3066\u30d7\u30ed\u30ad\u30b7\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u30a2\u30af\u30bf\u30fc\u306e<span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u306f\u4f9d\u5b58\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">vresion.dll<\/span>\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u57cb\u3081\u8fbc\u307f\u30b3\u30fc\u30c9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">_PROCESS_ATTACH<\/span>\u3092\u4ecb\u3057\u3066DLL\u304c\u30ed\u30fc\u30c9\u3055\u308c\u305f\u6642\u70b9\u3067\u958b\u59cb\u3055\u308c\u3001DLLMain\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3067\u4ee5\u4e0b\u306e\u3053\u3068\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u5217\u6319\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">Runtimebroker.exe<\/span>\u306e\u30d7\u30ed\u30bb\u30b9ID(PID)\u3092\u898b\u3064\u3051\u308b<\/li>\n<li>\u30da\u30a4\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb<span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u3092\u30ab\u30ec\u30f3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u8aad\u307f\u8fbc\u3080<\/li>\n<li>\u624b\u98061\u3067\u5f97\u305f\u30d7\u30ed\u30bb\u30b9ID\u3092\u4f7f\u3063\u3066Windows API ntdll <span style=\"font-family: 'courier new', courier, monospace;\">ZwOpenProcess<\/span>\u3092\u547c\u3073\u51fa\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u30d5\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3067\u958b\u304b\u308c\u308b<\/li>\n<li>28\u30d0\u30a4\u30c8\u306e\u30ad\u30fc(<span style=\"font-family: 'courier new', courier, monospace;\">jikoewarfkmzsdlhfnuiwaejrpaw<\/span>)\u3092\u4f7f\u3044\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u3092XOR\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u5fa9\u53f7\u3059\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtCreateSection<\/span>\u3092\u547c\u3073\u51fa\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u5171\u6709\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u30d6\u30ed\u30c3\u30af\u3092\u4f5c\u6210\u3059\u308b\u3002\u3053\u306eAPI\u3092\u4f7f\u3063\u3066<span style=\"font-family: 'courier new', courier, monospace;\">Runtimebroker.exe<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u3068\u306e\u9593\u3067\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3059\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtMapViewOfSection<\/span>\u30922\u56de\u547c\u3073\u51fa\u3059\u30021\u56de\u3081\u306e\u547c\u3073\u51fa\u3057\u306f\u5fa9\u53f7\u3057\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5185\u5bb9\u3092\u73fe\u5728\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u30012\u56de\u3081\u306e\u547c\u3073\u51fa\u3057\u306f\u305d\u306e\u5185\u5bb9\u3092<span style=\"font-family: 'courier new', courier, monospace;\">Runtimebroker.exe<\/span>\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtDelayExecution<\/span>\u3092\u547c\u3073\u51fa\u3057\u3001\u304a\u3088\u305d4.27\u79d2\u9593\u30b9\u30ea\u30fc\u30d7(\u5b9f\u884c\u3092\u4e00\u6642\u505c\u6b62)\u3055\u305b\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtCreateThreadEx<\/span>\u3092\u547c\u3073\u51fa\u3059\u3002\u3053\u306eAPI\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Runtimebroker.exe<\/span>\u306b\u30b3\u30d4\u30fc\u3055\u308c\u305f\u30e1\u30e2\u30ea\u306e\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u3067\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u3092\u958b\u59cb\u3059\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtDelayExecution<\/span>\u3092\u547c\u3073\u51fa\u3057\u3001\u304a\u3088\u305d4.27\u79d2\u9593\u30b9\u30ea\u30fc\u30d7(\u5b9f\u884c\u3092\u4e00\u6642\u505c\u6b62)\u3055\u305b\u308b<\/li>\n<li>\u7d42\u4e86<\/li>\n<\/ol>\n<p>\u4e0a\u8a18\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3067\u306f\u6587\u66f8\u5316\u3055\u308c\u3066\u3044\u306a\u3044Windows NTAPI\u547c\u3073\u51fa\u3057\u3092\u4ecb\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">runtimebroker.exe<\/span>\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u5185\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u30a4\u30f3\u30e1\u30e2\u30ea\u3067\u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5b9f\u884c\u3092\u958b\u59cb\u3059\u308b<span style=\"font-family: 'courier new', courier, monospace;\">version.dll<\/span>\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123792\" aria-describedby=\"caption-attachment-123792\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123793 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-11.png\" alt=\"version.dll\u304cNtCreateThreadEx\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\" width=\"900\" height=\"437\" \/><figcaption id=\"caption-attachment-123792\" class=\"wp-caption-text\">\u56f311 version.dll\u304cNtCreateThreadEx\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\n<h2><a id=\"#x64-Shellcode\"><\/a>x64\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9: \u5fa9\u53f7\u3057\u305fOneDrive.Update<\/h2>\n<p>\u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306fx64\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9(\u30a2\u30bb\u30f3\u30d6\u30ea\u547d\u4ee4)\u3067\u3001\u81ea\u8eab\u306e\u89e3\u51cd\u306e\u305f\u3081\u306b\u4e00\u9023\u306e\u547d\u4ee4\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u547d\u4ee4\u306b\u306f\u8907\u6570\u306epush\u547d\u4ee4\u3068mov\u547d\u4ee4\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u3001Brute Ratel C4\u30b3\u30fc\u30c9(x64\u30a2\u30bb\u30f3\u30d6\u30ea)\u30921\u5ea6\u306b8\u30d0\u30a4\u30c8\u305a\u3064\u30b9\u30bf\u30c3\u30af\u306b\u30b3\u30d4\u30fc\u3057\u3001\u6700\u7d42\u7684\u306b\u5b9f\u884c\u7528\u306e\u30e1\u30e2\u30ea\u7a7a\u9593(MZ\u30d8\u30c3\u30c0\u3092\u53d6\u308a\u9664\u3044\u305fDLL)\u306b\u518d\u30a2\u30bb\u30f3\u30d6\u30eb\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3089\u4e00\u9023\u306epush\u547d\u4ee4\u3068mov\u547d\u4ee4\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u3067\u30a2\u30bb\u30f3\u30d6\u30eb\u3067\u304d\u308b\u306e\u3067\u3001\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u5168\u4f53\u3092\u30b9\u30ad\u30e3\u30f3\u5bfe\u8c61\u306b\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u306a\u304f\u3001\u30a4\u30f3\u30e1\u30e2\u30ea\u306e\u30b9\u30ad\u30e3\u30f3\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002\u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123794\" aria-describedby=\"caption-attachment-123794\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123795 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-12.png\" alt=\"\u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306eversion.dll\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\" width=\"900\" height=\"556\" \/><figcaption id=\"caption-attachment-123794\" class=\"wp-caption-text\">\u56f312. \u5fa9\u53f7\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306eversion.dll\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8<\/figcaption><\/figure>\n<p>\u3053\u306e\u30a2\u30f3\u30d1\u30c3\u30af\u306b\u306f25,772\u500b\u306epush\u547d\u4ee4\u306825,769\u500b\u306emov\u547d\u4ee4\u304c\u5fc5\u8981\u3067\u3059\u3002\u7d42\u4e86\u3059\u308b\u3068\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u5185\u5bb9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>API\u306e\u30cf\u30c3\u30b7\u30e5\u5316(ROR13\u3001ROtate Right 13)\u3092\u4f7f\u3044\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtAllocateVirtualMemory<\/span>\u7528\u306e\u30cf\u30c3\u30b7\u30e5\u3092\u691c\u7d22\u3059\u308b\u3002\u3059\u3079\u3066\u306eAPI\u547c\u3073\u51fa\u3057\u306fAPI\u30cf\u30c3\u30b7\u30e5\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u308b<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">NtAllocateVirtualMemory<\/span>\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u30b7\u30b9\u30c6\u30e0\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30c6\u30fc\u30d6\u30eb(SSDT)\u3092\u53c2\u7167\u3057\u3066\u89e3\u6c7a\u3059\u308b\u3002Windows API\u95a2\u6570\u306f\u3059\u3079\u3066syscall\u7d4c\u7531\u3067\u4f5c\u3089\u308c\u308b\u304c\u3001\u3053\u308c\u306fBrute Ratel C4<a href=\"https:\/\/bruteratel.com\/\">(Syscall Everything<\/a>)\u306e\u7279\u5fb4<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtAllocateVirtualMemory<\/span>\u3092\u547c\u3073\u51fa\u3057\u30010x3000\u30d0\u30a4\u30c8\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtAllocateVirtualMemory<\/span>\u3092\u518d\u5ea6\u547c\u3073\u51fa\u3057\u3066Brute Ratel C4\u304c\u4f7f\u7528\u3059\u308b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u7528\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<li>\u5148\u307b\u3069\u30b9\u30bf\u30c3\u30af\u306b\u30d7\u30c3\u30b7\u30e5\u3057\u3066\u304a\u3044\u305f\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u65b0\u305f\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30e1\u30e2\u30ea\u30bb\u30b0\u30e1\u30f3\u30c8\u306b\u30b3\u30d4\u30fc\u3059\u308b<\/li>\n<li>Windows API <span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u3092\u547c\u3073\u51fa\u3057\u3066\u65b0\u305f\u306b\u5272\u308a\u5f53\u3066\u305f\u30e1\u30e2\u30ea\u30d6\u30ed\u30c3\u30af\u306e\u4fdd\u8b77\u6a5f\u80fd\u3092\u5909\u66f4\u3059\u308b<\/li>\n<li>\u65b0\u305f\u306b\u78ba\u4fdd\u3057\u305f\u30e1\u30e2\u30ea\u306e\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">NtCreateThreadEx<\/span>\u3092\u547c\u3073\u51fa\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u8a2d\u5b9a\u30c7\u30fc\u30bf\u3092\u6e21\u3059<\/li>\n<li>\u7d42\u4e86<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NtCreateThreadEx<\/span>\u3092\u547c\u3073\u51fa\u3057\u3066\u7b2c2\u6bb5\u968e\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u3092\u958b\u59cb\u3059\u308b\u30b3\u30fc\u30c9\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123796\" aria-describedby=\"caption-attachment-123796\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123797 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-13.png\" alt=\"\u7b2c2\u6bb5\u968e\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3059\" width=\"900\" height=\"486\" \/><figcaption id=\"caption-attachment-123796\" class=\"wp-caption-text\">\u56f313. \u7b2c2\u6bb5\u968e\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3059<\/figcaption><\/figure>\n<p>\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u306e\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u306b\u3001\u8a2d\u5b9a\u30c7\u30fc\u30bf\u304c\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u306b\u306f\u3001Brute Ratel C4\u306e\u6697\u53f7\u5316\u3055\u308c\u305f\u8a2d\u5b9a\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123798\" aria-describedby=\"caption-attachment-123798\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123799 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-14.png\" alt=\"\u6697\u53f7\u5316\u3055\u308c\u305fBRc4\u306e\u8a2d\u5b9a\u5185\u5bb9\" width=\"900\" height=\"449\" \/><figcaption id=\"caption-attachment-123798\" class=\"wp-caption-text\">\u56f314 \u6697\u53f7\u5316\u3055\u308c\u305fBRc4\u306e\u8a2d\u5b9a\u5185\u5bb9<\/figcaption><\/figure>\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u306fbase64\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3001RC4\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u300216\u30d0\u30a4\u30c8\u306eRC4\u5fa9\u53f7\u9375\u306f<span style=\"font-family: 'courier new', courier, monospace;\">bYXJm\/3#M?:XyMBF<\/span>\u3067\u3059\u3002<\/p>\n<p>\u5fa9\u53f7\u3055\u308c\u305f\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306f\u6b21\u306e\u3088\u3046\u306a\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<p><img alt=\"\u5fa9\u53f7\u3055\u308c\u305f\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\"  class=\"aligncenter wp-image-123801 lozad\" height=\"143\" loading=\"lazy\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-15.png\" width=\"900\"\/><\/p>\n<p>\u5404\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u30d1\u30a4\u30d7(<span style=\"font-family: 'courier new', courier, monospace;\">\uff5c<\/span>)\u6587\u5b57\u3067\u533a\u5207\u3089\u308c\u3001\u305d\u306e\u306a\u304b\u5024\u306e1\u3064\u304c\u3001\u5148\u306b\u898b\u305fIP<span style=\"font-family: 'courier new', courier, monospace;\">174.129.157[.]251<\/span>\u3068\u30dd\u30fc\u30c8443\u3067\u3059\u3002<\/p>\n<h2><a id=\"Target-Network-Infrastructure\"><\/a>\u6a19\u7684\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30e9<\/h2>\n<p>IP <span style=\"font-family: 'courier new', courier, monospace;\">174.129.157[.]251<\/span>\u306fAmazon AWS\u3067\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f0a\u793e<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xpanse\">Cortex Xpanse<\/a>\u306e\u5c65\u6b74\u306b\u3088\u308c\u3070\u3001\u3053\u306eIP\u306f2022\u5e744\u670829\u65e5\u304b\u30892022\u5e745\u670823\u65e5\u307e\u3067443\/tcp\u3092\u30aa\u30fc\u30d7\u30f3\u306b\u3057\u3066\u304a\u308a\u3001Microsoft Security \u3092\u88c5\u3063\u305f\u81ea\u5df1\u7f72\u540dSSL\u8a3c\u660e\u66f8\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>subjectFullName: <span style=\"font-family: 'courier new', courier, monospace;\">C=US,ST=California,O=Microsoft,OU=Security,CN=localhost<\/span><\/li>\n<li>Serial Number: <span style=\"font-family: 'courier new', courier, monospace;\">476862511373535319627199034793753459614889484917<\/span><\/li>\n<li>sha256_fingerprint: <span style=\"font-family: 'courier new', courier, monospace;\">d597d6572c5616573170275d0b5d5e3ab0c06d4a9104bbdbe952c4bcb52118c9<\/span><\/li>\n<\/ul>\n<p>IP <span style=\"font-family: 'courier new', courier, monospace;\">174.129.157[.]251<\/span>\u3078\u306eSSL\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u5b8c\u4e86\u3059\u308b\u3068Brute Ratel  C4\u306e\u30ea\u30c3\u30b9\u30f3\u30dd\u30fc\u30c8\u306bHTTP POST\u3067\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123802\" aria-describedby=\"caption-attachment-123802\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123803 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-16.png\" alt=\"BRc4\u306eHTTP POST\u30ea\u30af\u30a8\u30b9\u30c8\" width=\"900\" height=\"237\" \/><figcaption id=\"caption-attachment-123802\" class=\"wp-caption-text\">\u56f315. BRc4\u306eHTTP POST\u30ea\u30af\u30a8\u30b9\u30c8<\/figcaption><\/figure>\n<h2><a id=\"Identifying-OneDriveUpdate\"><\/a><strong>OneDrive.Update<\/strong>\u306e\u7279\u5b9a<\/h2>\n<p>Brute Ratel C4\u3068\u95a2\u9023\u3057\u3066\u3044\u308b\u30a4\u30f3\u30e1\u30e2\u30ea\u306e\u5fa9\u53f7\u6e08\u307f\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u5185\u306b\u3042\u308b\u7279\u5fb4\u7684\u306a\u30a2\u30bb\u30f3\u30d6\u30ea\u547d\u4ee4\u3001push\u3068mov\u306b\u57fa\u3065\u3044\u3066\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u547d\u4ee4\u306f\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306e\u7b2c2\u6bb5\u968e\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002VirusTotal\u3067\u691c\u7d22\u3057\u305f\u3068\u3053\u308d\u3001\u540c\u3058push\/mov\u547d\u4ee4\u3092\u6301\u30642\u3064\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u30d5\u30a1\u30a4\u30eb\u540d: <span style=\"font-family: 'courier new', courier, monospace;\">badger_x64.exe<\/span><\/li>\n<li>SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">3AD53495851BAFC48CAF6D2227A434CA2E0BEF9AB3BD40ABFE4EA8F318D37BBE<\/span><\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7: <span style=\"font-family: 'courier new', courier, monospace;\">Windows\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb(x64)<\/span><\/li>\n<\/ul>\n<p>\u5f53\u521d\u3001\u79c1\u305f\u3061\u306e\u76ee\u306b\u7559\u307e\u3063\u305f\u306e\u306f\u3001\u300cbadger\u300d\u3068\u3044\u3046\u5358\u8a9e\u3092\u542b\u3080\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u3057\u305f\u3002Brute Ratel C4\u306eWeb\u30b5\u30a4\u30c8\u306b\u3088\u308b\u3068\u3001<a href=\"https:\/\/bruteratel.com\/tabs\/badger\/badgers\/\">badger<\/a>\u3068\u3044\u3046\u5358\u8a9e\u306f\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u306b\u4f7f\u7528\u3055\u308c\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u8868\u3057\u3066\u3044\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002VirusTotal\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u3068\u3053\u308d66\u793e\u4e2d2\u793e\u306e\u307f\u304c\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u300cmalicious (\u60aa\u8cea)\u300d\u3068\u5224\u5b9a\u3057\u307e\u3057\u305f\u3002\u672c\u7a3f\u57f7\u7b46\u6642\u70b9\u3067\u306f\u300112\u30d9\u30f3\u30c0\u304c\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u60aa\u8cea\u3068\u5224\u5b9a\u3057\u30018\u30d9\u30f3\u30c0\u304c\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u300cBrutel\u300d\u3068\u5206\u985e\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u79c1\u305f\u3061\u306e\u30a4\u30f3\u30e1\u30e2\u30ea\u30b3\u30fc\u30c9\u304cBrute Ratel C4\u3068\u306a\u3093\u3089\u304b\u306e\u95a2\u9023\u3092\u3082\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u3055\u3089\u306b\u88cf\u4ed8\u3051\u308b\u304b\u305f\u3061\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">badger_x64.exe<\/span>\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u3068\u5fa9\u53f7\u3057\u305f<span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u4e26\u3079\u3066\u6bd4\u8f03\u3068\u3053\u308d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_123804\" aria-describedby=\"caption-attachment-123804\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123805 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-17.png\" alt=\"OneDrive.Update\u3068badger_x64.exe\u306e\u6bd4\u8f03\" width=\"900\" height=\"859\" \/><figcaption id=\"caption-attachment-123804\" class=\"wp-caption-text\">\u56f316. OneDrive.Update\u3068badger_x64.exe\u306e\u6bd4\u8f03<\/figcaption><\/figure>\n<p>push\/mov\u547d\u4ee4\u3092\u7d42\u4e86\u3057\u305f<span style=\"font-family: 'courier new', courier, monospace;\">badger_x64.exe<\/span>\u306fAPI\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u3063\u3066<span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u3068\u540c\u3058Windows API\u547c\u3073\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u76f4\u63a5\u306b\u306fsyscall\u3092\u4f7f\u3044\u307e\u305b\u3093(\u3053\u308c\u306fBrute Ratel C4\u306e\u30e6\u30fc\u30b6\u30fc\u8a2d\u5b9a\u6a5f\u80fd)\u3002<span style=\"font-family: 'courier new', courier, monospace;\">badger_x64.exe<\/span>\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u6b21\u306e\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_123806\" aria-describedby=\"caption-attachment-123806\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123807 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-18.png\" alt=\"badger_x64.exe\u304c\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u3068\u3053\u308d\" width=\"900\" height=\"506\" \/><figcaption id=\"caption-attachment-123806\" class=\"wp-caption-text\">\u56f317. badger_x64.exe\u304c\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u306e\u30b5\u30f3\u30d7\u30eb\u540c\u69d8\u3001\u547c\u3073\u51fa\u3057\u5074\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3055\u308c\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001Brute Ratel C4\u306e\u8a2d\u5b9a\u30c7\u30fc\u30bf\u3067\u3059\u3002\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306fbase64\u30a8\u30f3\u30b3\u30fc\u30c9\u3084RC4\u6697\u53f7\u5316\u306f\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u5e73\u6587\u3067\u6e21\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u30b5\u30f3\u30d7\u30eb\u3067\u4f7f\u308f\u308c\u3066\u3044\u305f\u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p><img alt=\"OneDrive.Update\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u4f7f\u308f\u308c\u3066\u3044\u305f\u8a2d\u5b9a\u5185\u5bb9\"  class=\"aligncenter wp-image-123809 lozad\" height=\"103\" loading=\"lazy\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/07\/word-image-19.png\" width=\"900\"\/><\/p>\n<p>\u3053\u306e\u5834\u5408\u3001\u30b5\u30f3\u30d7\u30eb\u306fIP<span style=\"font-family: 'courier new', courier, monospace;\">159.65.186[.]50<\/span>\u306b443\/tcp\u3067\u901a\u4fe1\u3059\u308b\u3088\u3046\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3053\u3068\u304b\u3089<span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u306f\u3058\u3063\u3055\u3044\u306bBrute Ratel C4\u3068\u95a2\u9023\u3057\u3066\u3044\u308b\u3068\u7d50\u8ad6\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u9020\u304c\u540c\u3058\u3067\u30d1\u30a4\u30d7(|)\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u533a\u5207\u3063\u3066\u3044\u308b<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">NtCreateThreadEx\/CreateThread<\/span>\u7d4c\u7531\u3067\u7b2c2\u6bb5\u968e\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u306e\u306b\u540c\u3058Windows API\u306e\u547c\u3073\u51fa\u3057\u30d1\u30bf\u30fc\u30f3\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b<\/li>\n<li>\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30e1\u30e2\u30ea\u306b\u30b3\u30d4\u30fc\u3059\u308b\u95a2\u6570\u306e\u547d\u4ee4\u304c\u5408\u81f4\u3057\u3066\u3044\u308b<\/li>\n<li>\u3044\u305a\u308c\u306e\u7b2c2\u6bb5\u968e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u3082\u300cbadger\u300d\u3068\u3044\u3046\u5358\u8a9e\u306b\u8a00\u53ca\u3059\u308b\u4ee5\u4e0b\u306e\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u308b(\u6ce8: <span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3053\u308c\u3089\u306e\u6587\u5b57\u5217\u3092RC4\u3067\u6697\u53f7\u5316\u3057\u3066\u3044\u308b)\u3002\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">imp_Badger<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerDispatch<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerDispatchW<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerStrlen<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerWcslen<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerMemcpy<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerMemset<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerStrcmp<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerWcscmp<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">BadgerAtoi<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">Badger*<\/span>\u3068\u3044\u3046\u540d\u524d\u304c<a href=\"https:\/\/github.com\/paranoidninja\/Brute-Ratel-C4-Community-Kit\/blob\/main\/bof_samples\/badger_exports.h\">BRc4 GitHub<\/a>\u306eWeb\u30b5\u30a4\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u540d\u3068\u5408\u81f4\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">badger_x64.exe<\/span>\u306fBrute Ratel C4(badger\u30da\u30a4\u30ed\u30fc\u30c9)\u3092\u5b9f\u884c\u3059\u308b\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u306ex64\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u4e00\u65b9\u3001\u5fa9\u53f7\u3055\u308c\u305f<span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u30d5\u30a1\u30a4\u30eb\u306f\u30a2\u30af\u30bf\u30fc\u306e\u5909\u66f4\u3057\u305fDLL(version.dll)\u3067\u5b9f\u884c\u3055\u308c\u308bBrute Ratel C4\u306e\u30a4\u30f3\u30e1\u30e2\u30ea\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<h2><a id=\"Badgerx64-exe-Employment\"><\/a>badger_x64.exe\u306e\u4f7f\u7528<\/h2>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">badger_x64.exe<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">OneDrive.Update<\/span>\u304c\u3044\u305a\u308c\u3082BRc4\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u79c1\u305f\u3061\u306f\u3053\u306e2\u3064\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u4f7f\u7528\u3092\u5206\u6790\u3059\u308b\u4f5c\u696d\u306b\u53d6\u308a\u639b\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>VirusTotal\u306e\u8a18\u9332\u304b\u3089\u306f\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u304c2022\u5e745\u670820\u65e5\u306b\u30a6\u30af\u30e9\u30a4\u30ca\u306eWeb\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u304f\u3057\u304f\u3082\u3053\u308c\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Roshan_CV.ISO<\/span>\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u65e5\u306e\u7fcc\u65e5\u3067\u3059\u3002<\/p>\n<p>\u524d\u8ff0\u306e\u901a\u308a\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u30dd\u30fc\u30c8443\u3067<span style=\"font-family: 'courier new', courier, monospace;\">159.65.186[.]50\u306b<\/span>\u30b3\u30fc\u30eb\u30db\u30fc\u30e0\u901a\u4fe1\u3059\u308b\u3088\u3046\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f0a\u793eCortex Xpanse\u306e\u5c65\u6b74\u306b\u3088\u308c\u3070\u3001\u3053\u306e443\u30dd\u30fc\u30c8\u306f2022\u5e745\u670821\u65e5\u304b\u30896\u670818\u65e5\u307e\u3067\u30aa\u30fc\u30d7\u30f3\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u4e0a\u3067\u898b\u305f\u306e\u3068\u540c\u3058\u300cMicrosoft Security\u300d\u306e\u81ea\u5df1\u7f72\u540dSSL\u8a3c\u660e\u66f8\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u6642\u7cfb\u5217\u3092\u8003\u3048\u308b\u3068\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u5b9f\u969b\u306bVirusTotal\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u65e5\u304c\u3001\u5f53\u8a72C2\u30a4\u30f3\u30d5\u30e9\u304c\u30b3\u30fc\u30eb\u30db\u30fc\u30e0\u901a\u4fe1\u306e\u30ea\u30c3\u30b9\u30f3\u3092\u8a2d\u5b9a\u3055\u308c\u308b\u524d\u3060\u3063\u305f\u3053\u3068\u306f\u6ce8\u76ee\u306b\u5024\u3059\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u306e\u6642\u9593\u5e2f\u306e<span style=\"font-family: 'courier new', courier, monospace;\">159.65.186[.]50<\/span>\u306e\u30cd\u30c3\u30c8\u30d5\u30ed\u30fc\u63a5\u7d9a\u3092\u8a55\u4fa1\u3057\u305f\u3068\u3053\u308d\u3001\u30a6\u30af\u30e9\u30a4\u30ca\u306eIP<span style=\"font-family: 'courier new', courier, monospace;\">(213.200.56[.]105<\/span>)\u304b\u3089\u30dd\u30fc\u30c822\u3001443\u30018060\u3078\u306e\u63a5\u7d9a\u304c\u767a\u4fe1\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u79c1\u305f\u3061\u306f\u3053\u306e\u30a6\u30af\u30e9\u30a4\u30ca\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u3001C2\u30a4\u30f3\u30d5\u30e9\u306e\u7ba1\u7406\u306b\u5229\u7528\u3055\u308c\u305f\u4e00\u822c\u5bb6\u5ead\u306e\u30e6\u30fc\u30b6\u30fcIP\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">213.200.56[.]105<\/span>\u3092\u767a\u7740\u3059\u308b\u63a5\u7d9a\u3092\u3055\u3089\u306b\u8a73\u3057\u304f\u8abf\u3079\u305f\u3068\u3053\u308d\u3001UDP\u30dd\u30fc\u30c833445\u3092\u7d4c\u7531\u3059\u308b\u8907\u6570\u306e\u30d5\u30ed\u30fc\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u30dd\u30fc\u30c8\u306fTox\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u30dd\u30fc\u30c8\u3067\u3001Tox\u306f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u6697\u53f7\u5316\u3092\u63d0\u4f9b\u3059\u308b\u30bb\u30ad\u30e5\u30a2\u306a\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u30c1\u30e3\u30c3\u30c8\/\u30d3\u30c7\u30aa\u30a2\u30d7\u30ea\u3067\u3059\u3002<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">159.65.186[]50<\/span>\u306e\u30dd\u30fc\u30c8443\u3078\u306e\u8ffd\u52a0\u63a5\u7d9a\u3092\u8abf\u67fb\u3057\u305f\u3068\u3053\u308d\u3001\u88ab\u5bb3\u8005\u3068\u601d\u308f\u308c\u308b\u7d44\u7e54\u304c\u8907\u6570\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u88ab\u5bb3\u8005\u306e\u306a\u304b\u306b\u306f\u3001\u3042\u308b\u30a2\u30eb\u30bc\u30f3\u30c1\u30f3\u306e\u7d44\u7e54\u3084\u5357\u5317\u30a2\u30e1\u30ea\u30ab\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308bIP\u30c6\u30ec\u30d3\u5c40\u3001\u30e1\u30ad\u30b7\u30b3\u306e\u3042\u308b\u5927\u624b\u7e4a\u7dad\u30e1\u30fc\u30ab\u30fc\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u5076\u7136\u306b\u3082\u3001\u5f53\u8a72\u7e4a\u7dad\u30e1\u30fc\u30ab\u30fc\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3092\u6700\u8fd1\u95b2\u89a7\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u3053\u308d\u3001\u300c500 internal server error\u300d\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u88ab\u5bb3\u7d44\u7e54\u306e\u5730\u7406\u7684\u5206\u5e03\u3001\u30a6\u30af\u30e9\u30a4\u30ca\u306eIP\u3078\u306e\u4e0a\u308a\u306e\u63a5\u7d9a\u3001\u305d\u306e\u307b\u304b\u3044\u304f\u3064\u304b\u306e\u8981\u56e0\u3092\u8003\u616e\u3059\u308b\u3068\u3001BRc4\u304c\u5408\u6cd5\u7684\u304b\u3064\u8a8d\u53ef\u3055\u308c\u305f\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u6d3b\u52d5\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306b\u5c55\u958b\u3055\u308c\u305f\u53ef\u80fd\u6027\u306f\u6975\u3081\u3066\u4f4e\u3044\u3082\u306e\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2><a id=\"Other-Samples-and-Infrastructure\"><\/a>\u305d\u306e\u4ed6\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u30a4\u30f3\u30d5\u30e9<\/h2>\n<p>\u904e\u53bb1\u5e74\u3067Microsoft Security\u306e\u507dX.509\u8a3c\u660e\u66f8\u306f41\u4ef6\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u4e16\u754c\u5404\u5730\u306b\u5206\u6563\u3057\u3066\u304a\u308a\u3001\u305d\u306e\u4e3b\u306a\u6240\u6709\u8005\u306f\u5927\u898f\u6a21\u306a\u4eee\u60f3\u5c02\u7528\u30b5\u30fc\u30d0\u30fc(VPS)\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u3067\u3059\u3002\u307e\u305f\u4e0a\u8a18\u306e2\u3064\u306e\u30b5\u30f3\u30d7\u30eb\u4ee5\u5916\u306b\u3082\u30012021\u5e742\u6708\u306b\u307e\u3067\u3055\u304b\u306e\u307c\u308bBRc4\u306e\u30b5\u30f3\u30d7\u30eb\u30927\u3064\u78ba\u8a8d\u6e08\u307f\u3067\u3059\u3002<\/p>\n<h2><a id=\"Protections-and-Mitigations\"><\/a>\u4fdd\u8b77\u3068\u7de9\u548c\u7b56<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306f\u3001\u5f0a\u793e\u306e\u88fd\u54c1\u30fb\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u308a\u672c\u30b0\u30eb\u30fc\u30d7\u306b\u95a2\u9023\u3059\u308b\u4ee5\u4e0b\u306e\u5bfe\u7b56\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=86647\"><span style=\"font-weight: 400;\">\u8105\u5a01\u9632\u5fa1<\/span><\/a><span style=\"font-weight: 400;\">\u306f\u3001Brute Ratel C4\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u300cBrute Ratel C4 Tool Command and Control Traffic Detections\u300d\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u8105\u5a01ID\u306f86647\u3067\u3059\u3002<\/span><\/p>\n<p><a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u306fBrute Ratel C4\u30c4\u30fc\u30eb\u3092\u691c\u51fa\u3057\u3066\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30a6\u30c9\u578b\u8105\u5a01\u89e3\u6790\u30b5\u30fc\u30d3\u30b9\u300c<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u300d\u306f\u3001Brute Ratel C4\u30b5\u30f3\u30d7\u30eb\u3092\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u6b63\u78ba\u306b\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"Conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u65b0\u305f\u306a\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3084\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u306e\u51fa\u73fe\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001BRc4\u306b\u306f\u6700\u65b0\u306eEDR\u3084AV\u306e\u9632\u5fa1\u3092\u7a81\u7834\u3059\u308b\u529b\u304c\u3042\u308b\u3053\u3068\u304b\u3089\u3055\u3089\u306a\u308b\u8b66\u6212\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u540c\u30c4\u30fc\u30eb\u306f\u3053\u306e2\u5e74\u534a\u306e\u9593\u306b\u7a7a\u304d\u6642\u9593\u3092\u4f7f\u3063\u305f\u8da3\u5473\u306e\u958b\u767a\u304b\u3089\u30d5\u30eb\u30bf\u30a4\u30e0\u306e\u958b\u767a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3078\u3068\u6210\u9577\u3057\u3001\u9867\u5ba2\u6570\u3082\u5897\u3048\u3066\u304d\u3066\u3001\u3044\u307e\u3067\u306f\u6570\u767e\u4eba\u898f\u6a21\u306e\u9867\u5ba2\u57fa\u76e4\u3092\u62b1\u3048\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u754c\u9688\u3067\u6b63\u898f\u30da\u30f3\u30c6\u30b9\u30bf\u30fc\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u30a2\u30af\u30bf\u30fc\u4e21\u8005\u306e\u6ce8\u76ee\u3092\u96c6\u3081\u308b\u307e\u3067\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u7d39\u4ecb\u3057\u305f2\u3064\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u89e3\u6790\u7d50\u679c\u3068\u3053\u308c\u3089\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u306b\u4f7f\u308f\u308c\u305f\u9ad8\u5ea6\u306a\u6280\u80fd\u304b\u3089\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u30a2\u30af\u30bf\u30fc\u304cBRc4\u3092\u4f7f\u7528\u3057\u59cb\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u79c1\u305f\u3061\u306f\u3001\u3059\u3079\u3066\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u304cBRc4\u691c\u51fa\u7528\u306e\u4fdd\u8b77\u5bfe\u7b56\u3092\u958b\u767a\u3057\u3001\u3059\u3079\u3066\u306e\u7d44\u7e54\u304c\u540c\u30c4\u30fc\u30eb\u306b\u7a4d\u6975\u7684\u9632\u5fa1\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u5fc5\u9808\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u30d5\u30a1\u30a4\u30eb\u30b5\u30f3\u30d7\u30eb\u3084\u4fb5\u5bb3\u306e\u5146\u5019\u306a\u3069\u3092\u3075\u304f\u3080\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u3092Cyber Threat Alliance (CTA \u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9) \u306e\u30e1\u30f3\u30d0\u30fc\u3068\u5171\u6709\u3057\u307e\u3057\u305f\u3002CTA \u306e\u30e1\u30f3\u30d0\u30fc\u306f\u3053\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u304a\u5ba2\u69d8\u306b\u4fdd\u8b77\u3092\u8fc5\u901f\u306b\u63d0\u4f9b\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u8005\u3092\u4f53\u7cfb\u7684\u306b\u963b\u5bb3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/www.cyberthreatalliance.org\">Cyber Threat Alliance <\/a>\u304b\u3089\u3054\u89a7\u304f\u3060\u3055\u3044\uff61<\/p>\n<p>\u306a\u304a\u3053\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u305fMicrosoft\u306e\u540d\u524d\u3068\u30ed\u30b4\u306f\u540c\u7d44\u7e54\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u3067\u3042\u308a\u3001\u540c\u793e\u3068\u306e\u63d0\u643a\u3092\u8868\u3059\u3082\u306e\u3067\u306f\u306a\u3044\u70b9\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u306a\u308a\u3059\u307e\u3057\u306fMicrosoft\u306e\u88fd\u54c1\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u610f\u5473\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h2><a id=\"Indicators-of-Compromise\"><\/a>IoC<\/h2>\n<p>Brute Ratel C4\u306eISO\u30b5\u30f3\u30d7\u30eb:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">1FC7B0E1054D54CE8F1DE0CC95976081C7A85C7926C03172A3DDAA672690042C<\/span><\/p>\n<p>X64 Brute Ratel C4\u306eWindows\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">31ACF37D180AB9AFBCF6A4EC5D29C3E19C947641A2D9CE3CE56D71C1F576C069<\/span><\/p>\n<p>APT29\u306eISO\u30b5\u30f3\u30d7\u30eb:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">F58AE9193802E9BAF17E6B59E3FDBE3E9319C5D27726D60802E3E82D30D14D46<\/span><\/p>\n<p>X64 Brute Ratel C4\u306e\u30b5\u30f3\u30d7\u30eb:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">3ED21A4BFCF9838E06AD3058D13D5C28026C17DC996953A22A00F0609B0DF3B9<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">3AD53495851BAFC48CAF6D2227A434CA2E0BEF9AB3BD40ABFE4EA8F318D37BBE<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">973F573CAB683636D9A70B8891263F59E2F02201FFB4DD2E9D7ECBB1521DA03E<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">DD8652E2DCFE3F1A72631B3A9585736FBE77FFABEE4098F6B3C48E1469BF27AA<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">E1A9B35CF1378FDA12310F0920C5C53AD461858B3CB575697EA125DFEE829611<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">EF9B60AA0E4179C16A9AC441E0A21DC3A1C3DC04B100EE487EABF5C5B1F571A6<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">D71DC7BA8523947E08C6EEC43A726FE75AED248DFD3A7C4F6537224E9ED05F6F<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">5887C4646E032E015AA186C5970E8F07D3ED1DE8DBFA298BA4522C89E547419B<\/span><\/p>\n<p>\u60aa\u610f\u306e\u3042\u308bDLL:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">EA2876E9175410B6F6719F80EE44B9553960758C7D0F7BED73C0FE9A78D8E669<\/span><\/p>\n<p>\u60aa\u610f\u306e\u3042\u308b\u6697\u53f7\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">B5D1D3C1AEC2F2EF06E7D0B7996BC45DF4744934BD66266A6EBB02D70E35236E<\/span><\/p>\n<p>X.509\u8a3c\u660e\u66f8\u306eSHA1\u30cf\u30c3\u30b7\u30e5\u5024:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">55684a30a47476fce5b42cbd59add4b0fbc776a3<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">66aab897e33b3e4d940c51eba8d07f5605d5b275<\/span><\/p>\n<p>X.509\u8a3c\u660e\u66f8\u307e\u305f\u306f\u30b5\u30f3\u30d7\u30eb\u306b\u30ea\u30f3\u30af\u3055\u308c\u305f\u30a4\u30f3\u30d5\u30e9:<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">104.6.92[.]229<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">137.184.199[.]17<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">138.68.50[.]218<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">138.68.58[.]43<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">139.162.195[.]169<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">139.180.187[.]179<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">147.182.247[.]103<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">149.154.100[.]151<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">15.206.84[.]52<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">159.223.49[.]16<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">159.65.186[.]50<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">162.216.240[.]61<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">172.105.102[.]247<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">172.81.62[.]82<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">174.129.157[.]251<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">178.79.143[.]149<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">178.79.168[.]110<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">178.79.172[.]35<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">18.133.26[.]247<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">18.130.233[.]249<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">18.217.179[.]8<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">18.236.92[.]31<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">185.138.164[.]112<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">194.29.186[.]67<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">194.87.70[.]14<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">213.168.249[.]232<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">3.110.56[.]219<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">3.133.7[.]69<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">31.184.198[.]83<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">34.195.122[.]225<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">34.243.172[.]90<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">35.170.243[.]216<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">45.144.225[.]3<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">45.76.155[.]71<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">45.79.36[.]192<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">52.48.51[.]67<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">52.90.228[.]203<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">54.229.102[.]30<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">54.90.137[.]213<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">89.100.107[.]65<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">92.255.85[.]173<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">92.255.85[.]44<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">94.130.130[.]43<br \/><\/span><span style=\"font-family: 'courier new', courier, monospace;\">ds.windowsupdate.eu[.]org<\/span><\/p>\n<h2><a id=\"Additional-Resources\"><\/a>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/h2>\n<p><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/security-operations\/hunting-for-apt29-spear-phishing-using-xdr\/?lang=ja\">APT29\u306e\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3092Cortex XDR\u3067\u691c\u51fa\u3059\u308b\u65b9\u6cd5 - \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30d6\u30ed\u30b0<\/a><br \/><a href=\"https:\/\/cluster25.io\/2022\/05\/13\/cozy-smuggled-into-the-box\/\">Cozy Smuggled Into The Box: APT29 Abusing Legitimate Software For Targeted Operations In Europe<\/a><br \/><a href=\"https:\/\/www.mandiant.com\/resources\/tracking-apt29-phishing-campaigns\">Trello From the Other Side: Tracking APT29 Phishing Campaigns<\/a><br \/><a href=\"https:\/\/www.microsoft.com\/security\/blog\/2021\/05\/27\/new-sophisticated-email-based-attack-from-nobelium\/\">New sophisticated email-based attack from NOBELIUM<\/a><\/p>\n<p><em>2022-07-08 11:00 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2022-07-06 09:30 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620&nbsp;<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Unit 42\u306f\u3001\u65e2\u77e5\u306eAPT\u653b\u6483\u30b0\u30eb\u30fc\u30d7(Advanced Persistent Threat \u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483)\u306e\u30d1\u30bf\u30fc\u30f3\u3084\u6226\u8853\u306b\u5408\u81f4\u3059\u308b\u65b0\u305f\u306a\u72ec\u81ea\u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30f3\u30d7\u30eb\u3092\u7d99\u7d9a\u7684\u306b\u30cf\u30f3\u30c8\u3057\u3066\u3044\u307e\u3059\u30025\u670819\u65e5\u3001\u3053\u3046<\/p>\n","protected":false},"author":61,"featured_media":134330,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4321,1974,4428],"tags":[5055,5261,5629,5630],"product_categories":[4346,4442,4444,4448],"coauthors":[831,625],"class_list":["post-123816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threat-research","category-malware-ja","category-threat-research-ja","tag-apt-29-ja","tag-brute-ratel-c4-ja","tag-pentest-tool-ja","tag-red-teaming-tool","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-ja","product_categories-advanced-wildfire-ja","product_categories-cortex-xdr-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528<\/title>\n<meta name=\"description\" content=\"\u30da\u30f3\u30c6\u30b9\u30c8\u30fb\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb Brute Ratel C4 \u306b\u306f\u6700\u65b0\u306e\u9632\u5fa1\u6a5f\u80fd\u304b\u3044\u304f\u3050\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u3053\u306e\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u306f\u3058\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528\" \/>\n<meta property=\"og:description\" content=\"\u30da\u30f3\u30c6\u30b9\u30c8\u30fb\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb Brute Ratel C4 \u306b\u306f\u6700\u65b0\u306e\u9632\u5fa1\u6a5f\u80fd\u304b\u3044\u304f\u3050\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u3053\u306e\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u306f\u3058\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/\" \/>\n<meta property=\"og:site_name\" content=\"Unit 42\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-06T02:08:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-08T02:04:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/05_Malware_Category_1920x900.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mike Harbison, Peter Renals\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528","description":"\u30da\u30f3\u30c6\u30b9\u30c8\u30fb\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb Brute Ratel C4 \u306b\u306f\u6700\u65b0\u306e\u9632\u5fa1\u6a5f\u80fd\u304b\u3044\u304f\u3050\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u3053\u306e\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u306f\u3058\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/","og_locale":"ja_JP","og_type":"article","og_title":"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528","og_description":"\u30da\u30f3\u30c6\u30b9\u30c8\u30fb\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb Brute Ratel C4 \u306b\u306f\u6700\u65b0\u306e\u9632\u5fa1\u6a5f\u80fd\u304b\u3044\u304f\u3050\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u3053\u306e\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u306f\u3058\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002","og_url":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/","og_site_name":"Unit 42","article_published_time":"2022-07-06T02:08:21+00:00","article_modified_time":"2022-07-08T02:04:20+00:00","og_image":[{"width":1920,"height":900,"url":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/05_Malware_Category_1920x900.jpg","type":"image\/jpeg"}],"author":"Mike Harbison, Peter Renals","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#article","isPartOf":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/"},"author":{"name":"Mike Harbison","@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/b4be528290190ed8c6aa6d8817df3d78"},"headline":"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528","datePublished":"2022-07-06T02:08:21+00:00","dateModified":"2022-07-08T02:04:20+00:00","mainEntityOfPage":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/"},"wordCount":1196,"commentCount":0,"image":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#primaryimage"},"thumbnailUrl":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/05_Malware_Category_1920x900.jpg","keywords":["APT 29","brute ratel c4","pentest tool","red teaming tool"],"articleSection":["Threat Research","\u30de\u30eb\u30a6\u30a7\u30a2","\u8105\u5a01\u30ea\u30b5\u30fc\u30c1"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/","url":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/","name":"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528","isPartOf":{"@id":"https:\/\/unit42.paloaltonetworks.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#primaryimage"},"image":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#primaryimage"},"thumbnailUrl":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/05_Malware_Category_1920x900.jpg","datePublished":"2022-07-06T02:08:21+00:00","dateModified":"2022-07-08T02:04:20+00:00","author":{"@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/b4be528290190ed8c6aa6d8817df3d78"},"description":"\u30da\u30f3\u30c6\u30b9\u30c8\u30fb\u6575\u5bfe\u7684\u653b\u6483\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb Brute Ratel C4 \u306b\u306f\u6700\u65b0\u306e\u9632\u5fa1\u6a5f\u80fd\u304b\u3044\u304f\u3050\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u3053\u306e\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u306f\u3058\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002","breadcrumb":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#primaryimage","url":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/05_Malware_Category_1920x900.jpg","contentUrl":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/05_Malware_Category_1920x900.jpg","width":1920,"height":900,"caption":"A close-up view of a computer screen displaying lines of code in red and pink shades, highlighting a central circular warning icon with a biohazard symbol. The word 'DETECTED' is prominently displayed in the lower right corner, indicating a cybersecurity alert and the end of a phrase."},{"@type":"BreadcrumbList","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/brute-ratel-c4-tool\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/unit42.paloaltonetworks.com\/ja\/"},{"@type":"ListItem","position":2,"name":"\u30da\u30f3\u30c6\u30b9\u30c8\u30c4\u30fc\u30ebBrute Ratel C4: \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u30c4\u30fc\u30eb\u60aa\u7528"}]},{"@type":"WebSite","@id":"https:\/\/unit42.paloaltonetworks.com\/#website","url":"https:\/\/unit42.paloaltonetworks.com\/","name":"Unit 42","description":"Palo Alto Networks","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/unit42.paloaltonetworks.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/b4be528290190ed8c6aa6d8817df3d78","name":"Mike Harbison","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/image\/4ffb3c2d260a0150fb91b3715442f8b3","url":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2018\/11\/unit-news-meta.svg","contentUrl":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2018\/11\/unit-news-meta.svg","caption":"Mike Harbison"},"url":"https:\/\/unit42.paloaltonetworks.com\/ja\/author\/mike-harbison\/"}]}},"_links":{"self":[{"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts\/123816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/comments?post=123816"}],"version-history":[{"count":7,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts\/123816\/revisions"}],"predecessor-version":[{"id":123825,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts\/123816\/revisions\/123825"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/media\/134330"}],"wp:attachment":[{"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/media?parent=123816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/categories?post=123816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/tags?post=123816"},{"taxonomy":"product_categories","embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/product_categories?post=123816"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/coauthors?post=123816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}