{"id":105986,"date":"2016-09-22T17:55:39","date_gmt":"2016-09-23T00:55:39","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=105986"},"modified":"2020-04-06T22:13:01","modified_gmt":"2020-04-07T05:13:01","slug":"unit-42-labyrenth-capture-the-flag-ctf-windows-track-7-9-solutions","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/unit-42-labyrenth-capture-the-flag-ctf-windows-track-7-9-solutions\/","title":{"rendered":"LabyREnth\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c6\u30b9\u30c8: Windows\u7a2e\u76ee7\uff5e9\u306e\u89e3\u7b54"},"content":{"rendered":"<p>\u4eca\u56de\u3053\u306e\u30d6\u30ed\u30b0\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/unit42-announcing-the-labyrenth-capture-the-flag-ctf-challenge\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track7-9-solutions: section: \">LabyREnth\u3001Unit 42\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c6\u30b9\u30c8<\/a>\u306e\u8ab2\u984c\u306e\u89e3\u7b54\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002\u9031\u306b1\u7a2e\u76ee\u305a\u3064<a href=\"https:\/\/blog.paloaltonetworks.com\/tag\/ctf\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track7-9-solutions: section: \">\u89e3\u7b54<\/a>\u3092\u516c\u958b\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u3001Windows\u7a2e\u76ee\u306e\u8ab2\u984c7\uff5e9\u3067\u3059\u3002<\/p>\n<h2><b>Windows 7\u8ab2\u984c: \u8ab0\u304b\u304c\u3053\u306epcap\u3068\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u305f\u3002\u4f4d\u7f6e\u306b\u7740\u3044\u3066\u3001\u7528\u610f\u3001\u30c9\u30f3!<\/b><b><\/b><\/h2>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Josh Grunzweig\u00a0<\/i><a href=\"https:\/\/twitter.com\/jgrunzweig\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track7-9-solutions: section: \"><i>@jgrunzweig<\/i><\/a><\/p>\n<p>\u3053\u306e\u8ab2\u984c\u3067\u306f\u3001PCAP\u3068Windows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u4e21\u65b9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002PCAP\u30d5\u30a1\u30a4\u30eb\u3092\u3056\u3063\u3068\u898b\u308b\u3068\u3001\u305d\u308c\u305e\u308c\u307b\u307c\u540c\u3058\u30b5\u30a4\u30ba\u306e172.16.95.1\u304b\u3089172.16.95.190\u3078\u306e\u591a\u6570\u306e\u500b\u5225\u306e\u63a5\u7d9a\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<div style=\"text-align: center;\">\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_1.png\" \/><\/p>\n<\/div>\n<div style=\"text-align: center; font-size: 10px;\"><span style=\"font-size: 10pt;\"><em>\u56f31 G0blinKing pcap\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u63a5\u7d9a<\/em><\/span><\/div>\n<p>\u7279\u5b9a\u306e\u63a5\u7d9a\u3092\u898b\u308b\u3068\u3001\u305d\u308c\u305e\u308c\u4e00\u5ea6\u306b1\u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<div style=\"text-align: center;\">\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_2.png\" \/><\/p>\n<\/div>\n<div style=\"text-align: center; font-size: 10px;\"><span style=\"font-size: 10pt;\"><em>\u56f32 G0blinKing pcap\u30d5\u30a1\u30a4\u30eb\u306e\u30b9\u30c8\u30ea\u30fc\u30e00\u5185\u306e\u30c7\u30fc\u30bf<\/em><\/span><\/div>\n<p>\u304a\u305d\u3089\u304f\u3001\u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u306f\u30db\u30b9\u30c8\u9593\u3067\u4e00\u5ea6\u306b1\u30d0\u30a4\u30c8\u305a\u3064\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u3068\u7d50\u8ad6\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u305d\u3046\u3067\u3059\u3002\u3069\u306e\u30c7\u30fc\u30bf\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u5224\u5225\u3059\u308b\u305f\u3081\u306b\u3001Windows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8abf\u3079\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u3068\u3001pdb\u6587\u5b57\u5217\u304c\u4e0a\u66f8\u304d\u3055\u308c\u305f\u30de\u30a4\u30ca\u30fc\u306a\u30a4\u30fc\u30b9\u30bf\u30fc \u30a8\u30c3\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div style=\"text-align: center;\">\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_3.png\" \/><\/p>\n<\/div>\n<div style=\"text-align: center; font-size: 10px;\"><span style=\"font-size: 10pt;\"><em>\u56f33 \u4e0a\u66f8\u304d\u3055\u308c\u305fpdb\u30d1\u30b9<\/em><\/span><\/div>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u3068\u3063\u3066\u306f\u4e0d\u904b\u3067\u3059\u304c\u3001\u3042\u307e\u308a\u9006\u30a2\u30bb\u30f3\u30d6\u30eb\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u95a2\u9023\u30b3\u30fc\u30c9\u3092\u542b\u3080\u5b9f\u969b\u306e\u95a2\u6570\u306b\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u3060\u3051\u306e\u591a\u6570\u306e\u95a2\u6570\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u969b\u306e\u526f\u7523\u7269\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u30b3\u30fc\u30c9\u306b\u76ee\u3092\u901a\u3059\u3068\u3001\u30b3\u30fc\u30c9\u306e\u5b9f\u969b\u306e\u30b3\u30a2\u306e\u6a5f\u80fd\u304c\u30aa\u30d5\u30bb\u30c3\u30c80x412300\u306b\u3042\u308b\u95a2\u6570\u3067\u59cb\u307e\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u306e\u30af\u30a4\u30c3\u30af \u30c8\u30ea\u30a2\u30fc\u30b8\u3068\u547c\u3073\u51fa\u3055\u308c\u305f\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4f55\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u304b\u6982\u8981\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u56f3\u3067\u306f\u3001\u95a2\u6570\u304c\u5b9f\u884c\u3057\u3066\u3044\u308b\u5185\u5bb9\u306e\u63a8\u6e2c\u306b\u57fa\u3065\u3044\u3066\u3044\u304f\u3064\u304b\u306e\u95a2\u6570\u306b\u540d\u524d\u3092\u4ed8\u3051\u3066\u3044\u308b\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div style=\"text-align: center;\">\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_4.png\" \/><\/p>\n<\/div>\n<div style=\"text-align: center; font-size: 10px;\"><span style=\"font-size: 10pt;\"><em>\u56f34 \u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u30e1\u30a4\u30f3\u95a2\u6570<\/em><\/span><\/div>\n<div><\/div>\n<p>\u305d\u3053\u3067\u3001file.txt\u306b\u542b\u307e\u308c\u308b\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u4f55\u3089\u304b\u306e\u5f62\u5f0f\u306e\u6697\u53f7\u5316\u304c\u5b9f\u884c\u3055\u308c\u3001\u305d\u306e\u5f8c\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3001PCAP\u306e\u751f\u6210\u5143\u3067\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u3068\u3001\u78ba\u5b9f\u306b\u7d50\u8ad6\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6642\u70b9\u3067\u306f\u3001\u6697\u53f7\u5316\u3068\u30a8\u30f3\u30b3\u30fc\u30c9\u306e\u9593\u306b\u305d\u308c\u305e\u308c\u4f55\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u304b\u3092\u8b58\u5225\u3059\u308b\u5fc5\u8981\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u6697\u53f7\u5316\u306b\u3064\u3044\u3066\u306f\u3001\u4e3b\u306b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u308b\u3068\u898b\u3089\u308c\u308b\u95a2\u6570\u3092\u898b\u3064\u3051\u51fa\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u6697\u53f7\u5316\u3067\u4f7f\u7528\u3055\u308c\u305f\u30ad\u30fc\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3001\u2018AWildKeyAppears!\u2019\u3068\u9069\u5207\u306b\u540d\u4ed8\u3051\u3089\u308c\u305f\u6587\u5b57\u5217\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306e\u6700\u521d\u306e\u90e8\u5206\u3092\u898b\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u56f3\u306b\u793a\u3059\u3068\u304a\u308a\u3001\u591a\u6570\u306e\u5b9a\u6570\u304c\u8b58\u5225\u3055\u308c\u307e\u3059\u3002<\/p>\n<div style=\"text-align: center;\">\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_5.png\" \/><\/p>\n<\/div>\n<div style=\"text-align: center; font-size: 10px;\"><span style=\"font-size: 10pt;\"><em>\u56f35 \u6697\u53f7\u5316\u95a2\u6570<\/em><\/span><\/div>\n<p>\u3053\u308c\u3089\u306e\u591a\u6570\u306e\u5b9a\u6570\u306f\u3001\u7d50\u5c40\u306f\u507d\u88c5\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5b9a\u65700x9E3769B9\u3092\u8abf\u3079\u308b\u3068\u3001\u3053\u306e\u5b9a\u6570\u306fTEA\/XTEA\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u5185\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u95a2\u6570\u306e\u30ec\u30d3\u30e5\u30fc\u304b\u3089\u3001\u5358\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u507d\u88c5\u304c\u6210\u3055\u308c\u305fXTEA\u3092\u6271\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u5143\u306e\u30bd\u30fc\u30b9\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u524d\u306e\u5185\u5bb9\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T1.png\" \/><\/p>\n<\/div>\n<p>\u6b21\u306b\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u95a2\u6570\u306b\u9032\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u898b\u3001base64\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3092\u898b\u308b\u3068\u3001\u6a19\u6e96\u3067\u306f\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u5f93\u6765\u306ebase64\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<p>ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/<\/p>\n<p>Windows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u5185\u3067\u898b\u3064\u304b\u3063\u305f\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>qtgJYKa8y5L4flzMQ\/BsGpSkHIjhVrm3NCAi9cbeXvuwDx+R6dO7ZPEno21T0UFW<\/p>\n<p>\u3053\u308c\u304c\u308f\u304b\u308c\u3070\u3001PCAP\u30d5\u30a1\u30a4\u30eb\u306e\u89e3\u6790\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u305f\u5b9a\u6570\u306e\u5fa9\u53f7\u306e\u4e21\u65b9\u3092\u5b9f\u884c\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<div>\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T2.png\" \/><\/p>\n<\/div>\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u63d0\u4f9b\u3055\u308c\u305fPCAP\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T3.png\" \/><\/p>\n<\/div>\n<p>PAN{did_1_mention_th0se_pupp3ts_fr34ked_m3_out_recent1y?}<\/p>\n<h3><b>Windows 8\u8ab2\u984c: Windows\u30ab\u30fc\u30cd\u30eb\u306e\u30c7\u30d0\u30c3\u30b0\u306e\u6e96\u5099\u3092\u3059\u308b!\u00a0<\/b><b>(<\/b><b>\u7b11<\/b><b>)<\/b><b><\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005<\/i><i>: Esmid Idrizovic\u00a0<\/i><a href=\"https:\/\/twitter.com\/xedi25\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track7-9-solutions: section: \"><i>@xedi25<\/i><\/a><\/p>\n<h4><b>\u521d\u671f\u5206\u6790<\/b><b><\/b><\/h4>\n<p>PE\u30d3\u30e5\u30fc\u30a2\u30fc\u3067\u30d5\u30a1\u30a4\u30ebrevloader.exe\u3092\u958b\u304f\u3068\u3001\u305d\u308c\u304cPE64\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001RCData\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b3\u3064\u306e\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30ea\u30bd\u30fc\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u30023\u3064\u306e\u30ea\u30bd\u30fc\u30b9 \u30d5\u30a1\u30a4\u30eb\u3092\u3059\u3079\u3066\u62bd\u51fa\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8abf\u3079\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_6.png\" \/><\/p>\n<\/div>\n<h4><b>revloader.exe\u306e\u30ea\u30bd\u30fc\u30b9<\/b><b><\/b><\/h4>\n<h5><b>\u30ea\u30bd\u30fc\u30b9101<\/b><\/h5>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3082PE64\u3067\u3001\u3044\u304f\u3064\u304b\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3089\u304b\u3089\u3001\u305d\u308c\u304cDSEFix\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002DSEFix\u306f\u3001\u7f72\u540d\u4ed8\u304dVirtualBox\u30c9\u30e9\u30a4\u30d0\u5185\u3067\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001Windows\u306b\u304a\u3051\u308b\u30c9\u30e9\u30a4\u30d0\u306e\u7f72\u540d\u306e\u5f37\u5236(DSE)\u3092\u30d0\u30a4\u30d1\u30b9\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002DSEFix\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001DSE\u3092\u7121\u52b9\u306b\u3057\u3001\u5fc5\u8981\u306a\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3053\u306e\u8ab2\u984c\u306f\u3001\u7f72\u540d\u306a\u3057Windows\u30c9\u30e9\u30a4\u30d0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_7.png\" \/><\/p>\n<\/div>\n<h5><b>\u30ea\u30bd\u30fc\u30b9102<\/b><\/h5>\n<p>\u3053\u308c\u306f\u3001\u30c9\u30e9\u30a4\u30d0\u81ea\u4f53\u3067\u3059\u3002\u3053\u308c\u3082PE64\u3067\u3001FLTMGR.SYS\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u304b\u3089\u3001\u5185\u90e8\u540d\u304crevhunt.sys\u306eWindows\u30c9\u30e9\u30a4\u30d0\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u3082\u30d5\u30a1\u30a4\u30eb\u306f\u672a\u7f72\u540d\u3067\u3042\u308b\u305f\u3081\u3001revloader.exe\u304cDSEFix\u3092\u4f7f\u7528\u3057\u3066revhunt.sys\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3082\u306e\u3068\u8003\u3048\u308b\u3068\u7406\u306b\u9069\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5><b>\u30ea\u30bd\u30fc\u30b9103<\/b><\/h5>\n<p>\u3053\u308c\u306f\u3001\u30c9\u30e9\u30a4\u30d0\u306eINF\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u308c\u304c\u30df\u30cb \u30d5\u30a1\u30a4\u30eb \u30d5\u30a3\u30eb\u30bf \u30c9\u30e9\u30a4\u30d0\u3067\u3042\u308b\u3053\u3068\u3068\u3001\u9ad8\u5ea631337\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h4><b>Revloader<\/b><b><\/b><\/h4>\n<p>revloader.exe\u3092\u8d77\u52d5\u3057\u3066\u3001\u305d\u308c\u304cDSEFix\u30c9\u30e9\u30a4\u30d0\u3092\u30c9\u30ed\u30c3\u30d7\u3057\u3001DSEFix\u3092\u5b9f\u884c\u3057\u3066\u3001Windows\u30c9\u30e9\u30a4\u30d0\u306e\u7f72\u540d\u306e\u5f37\u5236\u3092\u7121\u52b9\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30a4\u30f3\u30dd\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u3092\u8abf\u3079\u308b\u3068\u3001\u3053\u306e\u7a2e\u306e\u4f5c\u696d\u306b\u4f7f\u7528\u3055\u308c\u305f\u53ef\u80fd\u6027\u304c\u3042\u308b\u91cd\u8981\u306a\u95a2\u6570\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_8.png\" \/><\/p>\n<\/div>\n<ul>\n<li>LookupPrivilegeValueW\/AdjustTokenPrivilege: \u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306b\u4e0d\u8db3\u3057\u3066\u3044\u308b\u6a29\u9650\u3092\u7372\u5f97\u3057\u307e\u3059(\u201cSeLoadDriverPrivilege\u201d)\u3002<\/li>\n<li>LoadResource\/FindResource: \u30ea\u30bd\u30fc\u30b9\u3092\u898b\u3064\u3051\u3001\u305d\u308c\u3092\u30e1\u30e2\u30ea\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n<li>CreateFileW: \u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u304b\u3001\u305d\u308c\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/li>\n<li>WinExec: \u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n<li>FilterLoad\/FilterUnload: \u30df\u30cb \u30d5\u30a3\u30eb\u30bf \u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u304a\u3088\u3073\u30a2\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>FilterLoad\u3078\u306e\u76f8\u4e92\u53c2\u7167\u3092\u8fbf\u308b\u3068\u3001\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u95a2\u6570\u304c0x140001800\u306b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305d\u306e\u95a2\u6570\u306f\u3001InstallHinfSectionW\u3068\u5f15\u6570\u201cDefaultInstall 132 &lt;filename.inf&gt;\u201d\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c9\u30e9\u30a4\u30d0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304b\u3089\u3001FilterLoad\u3092\u4f7f\u7528\u3057\u3066\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u95a2\u6570\u3092\u9006\u306b\u8fbf\u308b\u3068\u3001\u3053\u306e\u95a2\u6570\u304c\u30e1\u30a4\u30f3\u95a2\u6570\u304b\u3089\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3055\u3089\u306b\u3044\u304f\u3064\u304b\u306e\u8208\u5473\u6df1\u3044\u547c\u3073\u51fa\u3057\u304c\u3042\u308b\u3053\u3068\u3082\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_9.png\" \/><\/p>\n<\/div>\n<p>0x140001FD0\u306b\u3042\u308b\u95a2\u6570\u306f\u3001\u5f15\u6570101\u3001102\u304a\u3088\u3073103\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u3064\u307e\u308a\u3001\u3053\u306e\u95a2\u6570\u306f\u304a\u305d\u3089\u304f\u57cb\u3081\u8fbc\u307e\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u307e\u3059\u3002\u95a2\u6570\u3092\u8abf\u3079\u308b\u3068\u3001\u305d\u308c\u304cFindResourceW\u3001SizeofResource\u3001LoadResource\u3001CreateFileW\u304a\u3088\u3073WriteFile\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u95a2\u6570\u306e\u540d\u524d\u3092DropResource\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e3\u3064\u306e\u547c\u3073\u51fa\u3057\u306e\u5f8c\u3001WinExec\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001revloader\u306f\u30ea\u30bd\u30fc\u30b9\u3092\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30c9\u30ed\u30c3\u30d7\u3057\u3066(\u30ea\u30bd\u30fc\u30b9101\u3001102\u3001103)\u3001\u305d\u306e\u5f8c\u3001\u30df\u30cb \u30d5\u30a1\u30a4\u30eb \u30d5\u30a3\u30eb\u30bf \u30c9\u30e9\u30a4\u30d0(\u30ea\u30bd\u30fc\u30b9102 + 103)\u3092\u30ed\u30fc\u30c9\u3057\u305f\u5f8c\u3001dsefix.exe (\u30ea\u30bd\u30fc\u30b9101)\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3067\u306f\u3001revloader.exe\u3092\u5b9f\u884c\u3057\u3001\u30c9\u30e9\u30a4\u30d0\u3092\u30ab\u30fc\u30cd\u30eb\u306b\u30ed\u30fc\u30c9\u3057\u3066\u3001\u305d\u308c\u304c\u52d5\u4f5c\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_10.png\" \/><\/p>\n<\/div>\n<p>\u201cWelcome to revhunt x86-x64\u201d\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u6b21\u306b\u3001\u30c9\u30e9\u30a4\u30d0\u3092\u5206\u6790\u3057\u3001\u30d5\u30e9\u30b0\u3092\u898b\u3064\u3051\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4><b>Revhunt<\/b><b><\/b><\/h4>\n<p>IDA Pro\u3067revhunt.sys\u3092\u958b\u304f\u3068\u3001DriverEntry\u95a2\u6570\u5185\u306b\u30010x140007000\u3078\u306e\u30b8\u30e3\u30f3\u30d7\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305d\u308c\u304c\u3001\u5b9f\u969b\u306e\u30e1\u30a4\u30f3\u95a2\u6570\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_11.png\" \/><\/p>\n<\/div>\n<p>\u30c9\u30e9\u30a4\u30d0\u304c\u3001KdDebuggerNotPresent\u3084KdDisableDebugger\u306a\u3069\u306e\u3044\u304f\u3064\u304b\u306e\u30ab\u30fc\u30cd\u30eb \u30a2\u30f3\u30c1\u30c7\u30d0\u30c3\u30b0\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30ab\u30fc\u30cd\u30eb \u30c7\u30d0\u30c3\u30ac\u3092\u4eee\u60f3\u30de\u30b7\u30f3\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001\u95a2\u6570KdDisableDebugger\u304c\u305d\u306e\u63a5\u7d9a\u3092\u5207\u65ad\u3057\u307e\u3059\u3002NOP\u547d\u4ee4\u3092\u4f7f\u7528\u3057\u3066\u3001KdDebuggerNotPresent\u304a\u3088\u3073KdDisableDebugger\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u306f\u3001\u30c9\u30e9\u30a4\u30d0\u304c\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30c9\u30e9\u30a4\u30d0\u81ea\u4f53\u306e\u5185\u90e8\u306e\u547c\u3073\u51fa\u3057\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u30c9\u30e9\u30a4\u30d0\u304cFltRegisterFilter\u3068FltStartFiltering\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u308f\u304b\u308a\u307e\u3059\u3002FltRegisterFilter\u306e\u5b9a\u7fa9\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T4.png\" \/><\/p>\n<\/div>\n<p>FltRegisterFilter\u306f\u3001\u7b2c2\u5f15\u6570\u3068\u3057\u3066FLT_REGISTRATION\u69cb\u9020\u3092\u3068\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30df\u30cb \u30d5\u30a1\u30a4\u30eb \u30d5\u30a3\u30eb\u30bf \u30c9\u30e9\u30a4\u30d0\u306e\u767b\u9332\u306b\u95a2\u3059\u308b\u60c5\u5831(\u30d5\u30e9\u30b0\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af \u30eb\u30fc\u30c1\u30f3\u306a\u3069)\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306eFltRegisterFilter\u306e\u7b2c2\u5f15\u6570\u306f\u3001\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T5.png\" \/><\/p>\n<\/div>\n<p>IDA Pro\u3092\u4f7f\u7528\u3057\u3066\u30010x140003140\u306b\u3042\u308b\u69cb\u9020\u3092FLT_REGISTRATION\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3059\u304c\u3001\u305d\u308c\u3092\u884c\u3046\u524d\u306b\u3001\u6b63\u3057\u3044\u30bf\u30a4\u30d7 \u30e9\u30a4\u30d6\u30e9\u30ea\u3001Windows\u30c9\u30e9\u30a4\u30d0 \u30ad\u30c3\u30c88 (\u30ab\u30fc\u30cd\u30eb \u30e2\u30fc\u30c9) \u2013 wdk8_km\u3092\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3088\u308a\u65b0\u3057\u3044DDK\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3067\u3001\u6b63\u3057\u3044\u69cb\u9020\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_12.png\" \/><\/p>\n<\/div>\n<p>\u305d\u308c\u3092\u4f7f\u7528\u3057\u3066\u3001\u5404\u30b5\u30d6\u95a2\u6570\u306e\u4f7f\u7528\u76ee\u7684\u3092\u3059\u3070\u3084\u304f\u8b58\u5225\u3067\u304d\u307e\u3059\u3002\u69cb\u9020\u306e\u30d5\u30e9\u30b0\u304c0x02\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001FLTFL_REGISTRATION_SUPPORT_NPFS_MSFS\u3067\u3042\u308b\u3053\u3068\u3082\u308f\u304b\u308a\u307e\u3059\u3002MSDN\u306b\u3088\u308b\u3068\u3001\u305d\u308c\u306f\u30c9\u30e9\u30a4\u30d0\u304c\u3001\u901a\u5e38\u306e\u30d5\u30a1\u30a4\u30eb \u30a4\u30d9\u30f3\u30c8\u3068\u540c\u69d8\u306b\u3001\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u3068\u30e1\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8 \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_13.png\" \/><\/p>\n<\/div>\n<p>\u6b21\u306b\u3001OperationRegistration\u3067\u540c\u3058\u3053\u3068\u3092\u5b9f\u884c\u3057\u3001FLT_OPERATION_REGISTRATION\u306e\u69cb\u9020\u3092\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_14.png\" \/><\/p>\n<\/div>\n<p>PreOperation\u3068PostOperation\u306e\u30b3\u30fc\u30c9\u3092\u3056\u3063\u3068\u78ba\u8a8d\u3059\u308b\u3068\u3001\u5b9f\u969b\u306b\u8208\u5473\u6df1\u3044\u30b3\u30fc\u30c9\u306fPostOperation\u95a2\u6570\u5185\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u305d\u308c\u3092\u5206\u6790\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4><b>PostOperation\u30b3\u30fc\u30eb\u30d0\u30c3\u30af<\/b><b><\/b><\/h4>\n<p>\u59cb\u3081\u308b\u524d\u306b\u3001IDA Pro\u3067\u65b0\u3057\u3044\u95a2\u6570\u5b9a\u7fa9\u3092MSDN\u5185\u306e\u6b63\u3057\u3044\u5b9a\u7fa9\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306b\u3088\u3063\u3066\u3001\u5206\u6790\u304c\u5927\u5e45\u306b\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059(Hex-Rays Decompiler\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3088\u308a\u7684\u78ba\u306b\u9006\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u307e\u3059)\u3002\u95a2\u6570\u5b9a\u7fa9\u3092\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T6.png\" \/><\/p>\n<\/div>\n<p>\u6b63\u3057\u3044\u30bf\u30a4\u30d7 \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u304c\u3088\u308a\u8aad\u307f\u53d6\u308a\u6613\u304f\u306a\u308b\u305f\u3081\u3001\u5206\u6790\u3092\u7c21\u7d20\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_15.png\" \/><\/p>\n<\/div>\n<p>\u95a2\u6570\u304c\u3001\u73fe\u5728\u306eFileObject\u304c\u30e1\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8 \u30a4\u30d9\u30f3\u30c8(FO_MAILSLOT)\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u73fe\u5728\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u304c18\u6587\u5b57\u9577\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3001\u201c\\gsrt.txt\u201d\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3001\u3055\u3089\u306b\u3001\u73fe\u5728\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5f53\u3066\u306f\u307e\u308b\u5834\u5408\u306b\u306f\u3001\u95a2\u6570\u306fFltReadFile\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u53d6\u308a\u3001\u305d\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_16.png\" \/><\/p>\n<\/div>\n<p>\u3067\u306f\u3001python\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u305d\u308c\u3092\u3059\u3070\u3084\u304f\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T7.png\" \/><\/p>\n<\/div>\n<p>\u3064\u307e\u308a\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u3057\u3066\u201clabyrenth.com\u201d\u3092\u542b\u3080\u201c\\gsrt.txt\u201d\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3001\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b9\u30bf\u30c3\u30af\u4e0a\u306b\u521d\u671f\u5316\u3055\u308c\u305f\u5225\u306e\u30d0\u30a4\u30c8\u914d\u5217\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u4ee5\u524d\u3068\u540c\u3058\u624b\u6cd5\u3067\u3001\u305d\u308c\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_17.png\" \/><\/p>\n<\/div>\n<p>\u305d\u308c\u3092\u79c1\u305f\u3061\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u8a18\u8ff0\u3057\u3001\u305d\u306e\u6587\u5b57\u5217\u3082\u30c7\u30b3\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T8.png\" \/><\/p>\n<\/div>\n<p>\u305d\u308c\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1(IPC)\u3092\u4f7f\u7528\u3057\u3066\u540c\u3058\u3053\u3068\u3092\u5b9f\u884c\u3067\u304d\u305f\u3053\u3068\u3092\u6c17\u4ed8\u304b\u305b\u3066\u304f\u308c\u308b\u30d2\u30f3\u30c8\u306e\u3088\u3046\u3067\u3059\u3002\u518d\u3073\u30b9\u30af\u30ed\u30fc\u30eb \u30a2\u30c3\u30d7\u3059\u308b\u3068\u3001\u30b5\u30f3\u30d7\u30eb\u304c\u73fe\u5728\u306eFileObject.Flags\u3068FO_MAILSLOT\u3092\u6bd4\u8f03\u3057\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u4f55\u3089\u304b\u306e\u30e1\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8 \u30a4\u30d9\u30f3\u30c8\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u76f4\u63a50x140001405\u306b\u30b8\u30e3\u30f3\u30d7\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u521d\u671f\u5316\u95a2\u6570\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u95a2\u6570\u3092\u8abf\u3079\u308b\u3068\u3001ExAllocatePoolWithTag\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30e2\u30ea \u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u3001\u305d\u306e\u7d50\u679c\u30920x140004020\u306b\u4fdd\u5b58\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001lpszBuffer\u3068\u540d\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_18.png\" \/><\/p>\n<\/div>\n<p>lpszBuffer\u3078\u306e\u76f8\u4e92\u53c2\u7167\u3092\u8abf\u3079\u308b\u3068\u3001\u305d\u308c\u304cPostOperation\u3001InitBuffer\u30010x14000181C\u304a\u3088\u3073Unload\u306e4\u3064\u306e\u95a2\u6570\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u30020x14000181C\u306b\u3064\u3044\u3066\u306f\u5c11\u3057\u5f8c\u3067\u53d6\u308a\u4e0a\u3052\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u3001PostOperation\u95a2\u6570\u306b\u623b\u3063\u3066\u3001\u6b21\u306b\u4f55\u304c\u8d77\u3053\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>InitBuffer\u547c\u3073\u51fa\u3057\u306e\u5f8c\u3001\u518d\u3073FileObject\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u78ba\u8a8d\u3057\u3001\u305d\u308c\u3092\u201c\\pan.flag\u201d\u3068\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u304c\u6b63\u3057\u3044\u5834\u5408\u306f\u3001\u95a2\u65700x14000181C\u3092\u547c\u3073\u51fa\u3057\u3001DbgPrint\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30e9\u30b0\u3092\u51fa\u529b\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5fa9\u53f7\u5316\u30eb\u30fc\u30c1\u30f3\u304c0x14000181C\u306b\u3042\u308a\u3001lpszBuffer\u306b\u30c7\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30e9\u30b0\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_19.png\" \/><\/p>\n<\/div>\n<p>\u6b21\u306b\u30010x14000181C\u306b\u3042\u308b\u95a2\u6570\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u95a2\u6570\u306e\u540d\u524d\u306f\u3001TestFlag\u306b\u5909\u66f4\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4><b>\u30d5\u30e9\u30b0 \u30c6\u30b9\u30c8\u95a2\u6570\u306e\u5206\u6790<\/b><b><\/b><\/h4>\n<p>\u95a2\u6570\u306e\u6700\u521d\u306e\u90e8\u5206\u3067\u3001\u518d\u3073FltReadFile\u3092\u4f7f\u7528\u3057\u3066\u3001\u6240\u5b9a\u306eFileObject\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8aad\u307f\u53d6\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u305d\u308c\u304c58\u30d0\u30a4\u30c8\u3092\u8aad\u307f\u53d6\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u308f\u304b\u308a\u307e\u3059\u3002\u6700\u521d\u306e4\u30d0\u30a4\u30c8\u306f\u3001\u201cPAN{\u201c\u3068\u6bd4\u8f03\u3055\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_20.png\" \/><\/p>\n<\/div>\n<p>\u305d\u306e\u5f8c\u3001\u6700\u521d\u306e\u30bb\u30c3\u30c8\u306eXOR\u30c7\u30fc\u30bf\u304c\u5224\u660e\u3057\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u6b21\u306e4\u30d0\u30a4\u30c8\u3092\u53d6\u5f97\u3057\u30010x1A1B1C1D\u3068XOR\u6f14\u7b97\u3057\u3066\u3001\u7d50\u679c\u30920x366C734A\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002\u3067\u306f\u3001\u30c7\u30b3\u30fc\u30c0\u306e\u8a18\u8ff0\u3092\u958b\u59cb\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T9.png\" \/><\/p>\n<\/div>\n<p>\u4eca\u306e\u3068\u3053\u308d\u826f\u597d\u3067\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T10.png\" \/><\/p>\n<\/div>\n<p>\u6b21\u306e\u6587\u5b57\u306b\u9032\u307f\u307e\u3057\u3087\u3046\u3002\u6b21\u306e\u30b3\u30fc\u30c9 \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u3001KdDebuggerNotPresent\u306e\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u30b7\u30d5\u30c8\u3068XOR\u6f14\u7b97\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30d0\u30c3\u30ac\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u95a2\u6570KdDebuggerNotPresent\u306f1\u3092\u8fd4\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u6b63\u3057\u3044\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u3001\u9806\u5e8f\u3092\u9006\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_21.png\" \/><\/p>\n<\/div>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T11.png\" \/><\/p>\n<\/div>\n<p>\u7d50\u679c\u306f\u30b9\u30da\u30fc\u30b9\u6587\u5b57(16\u9032\u6570\u306e0x20)\u3067\u3059\u3002\u6b21\u306e\u6587\u5b57\u306b\u9032\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u3082\u3001\u6b63\u3057\u3044\u6587\u5b57\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u9806\u5e8f\u3092\u9006\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059(add\u306e\u4ee3\u308f\u308a\u306bsub\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3001\u306a\u3069)\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_22.png\" \/><\/p>\n<\/div>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T12.png\" \/><\/p>\n<\/div>\n<p>\u3053\u3053\u3067\u306f\u3001\u7d9a\u884c\u3057\u3066\u3001\u30d5\u30e9\u30b0\u5168\u4f53\u3092\u3086\u3063\u304f\u308a\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u304c\u30010x140001AFC\u3092\u547c\u3073\u51fa\u3059\u305f\u3081\u591a\u5c11\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u3067\u306f\u3001\u7570\u306a\u308b\u30aa\u30d5\u30bb\u30c3\u30c8\u306b\u3042\u308b\u6587\u5b57\u3078\u30a2\u30af\u30bb\u30b9\u3057\u3001\u5947\u5999\u306a\u8a08\u7b97\u3092\u8a66\u307f\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_23.png\" \/><\/p>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u30010x140001B41\u3067\u306f\u30014\u756a\u76ee\u306e\u6587\u5b57\u3092\u30ed\u30fc\u30c9\u3057\u3001\u305d\u308c\u304b\u30890x20\u3092\u6e1b\u7b97\u3057\u3066\u3001\u305d\u308c\u306b3 [rax+rax*2]\u3092\u4e57\u7b97\u3057\u3066\u304b\u3089\u3001\u305d\u308c\u30920xC3\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306f\u3001\u3068\u304d\u3069\u304d\u304b\u306a\u308a\u30af\u30fc\u30eb\u306a\u3053\u3068\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u95a2\u6570\u5168\u4f53\u3068\u305d\u306e\u30b5\u30d6\u95a2\u6570\u3092\u5206\u6790\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u30c7\u30b3\u30fc\u30c0 \u30b9\u30af\u30ea\u30d7\u30c8\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T13.png\" \/><\/p>\n<\/div>\n<h4><b>\u30d5\u30e9\u30b0\u306e\u30c6\u30b9\u30c8<\/b><b><\/b><\/h4>\n<p>\u6b21\u306b\u3001\u30d5\u30e9\u30b0\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3001\u3059\u3079\u3066\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u3057\u3066\u201clabyrenth.com\u201d\u3092\u542b\u3080\u201cgsrt.txt\u201d\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<li>\u201cgsrt.txt\u201d\u3092\u958b\u3044\u3066\u3001FILE_OPEN\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u3001\u30d0\u30c3\u30d5\u30a1\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002\n<ul>\n<li>\u3053\u308c\u3089\u306e2\u3064\u306e\u624b\u9806\u306e\u4ee3\u308f\u308a\u306b\u30e1\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8 \u30a4\u30d9\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059(CreateMailslot + WriteFile\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059)\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u30d5\u30e9\u30b0\u201cPAN{\u2026}\u201d\u3092\u542b\u3080\u201cpan.flag\u201d\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<li>\u201cpan.flag\u201d\u3092\u958b\u3044\u3066\u3001FILE_OPEN\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u3001\u5206\u6790\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/li>\n<li>DbgView\u306b\u63a5\u7d9a\u3057\u3001\u30ab\u30fc\u30cd\u30eb \u30c7\u30d0\u30c3\u30b0\u306e\u51fa\u529b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u5bfe\u5fdc\u3059\u308b\u30b8\u30e7\u30d6\u3092\u5b9f\u884c\u3059\u308b\u30d0\u30c3\u30c1 \u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u89e3\u6c7a\u7b56\u306e\u65b9\u304c\u3088\u308a\u7c21\u5358\u3067\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T14.png\" \/><\/p>\n<\/div>\n<p>revloader.exe\u3092\u5b9f\u884c\u3057\u3001\u3053\u3053\u3067\u306e\u89e3\u6c7a\u7b56\u306e\u30d0\u30c3\u30c1 \u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u3066\u3001\u4f55\u304c\u8d77\u3053\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_24.png\" \/><\/p>\n<\/div>\n<p>\u6700\u5f8c\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001\u30d5\u30e9\u30b0\u304c\u6b63\u3057\u304f\u3001\u305d\u308c\u304c\u51fa\u529b\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><b>Windows 9\u8ab2\u984c: \u3042\u308b\u4fe1\u5949\u8005\u304c\u305d\u306ecrypter\u3092\u8a18\u8ff0\u3057\u305f\u306e\u3060\u3068\u601d\u3046<\/b><b><\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005<\/i><i>: Esmid Idrizovic\u00a0<\/i><a href=\"https:\/\/twitter.com\/xedi25\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track7-9-solutions: section: \"><i>@xedi25<\/i><\/a><\/p>\n<h4><b>\u521d\u671f\u5206\u6790<\/b><b><\/b><\/h4>\n<p>\u6700\u5f8c\u306e\u8ab2\u984c\u3092\u5b9f\u884c\u3059\u308b\u3068\u300130\u6587\u5b57\u3092\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30a2\u30a4\u30b3\u30f3\u304c\u7570\u306a\u3063\u3066\u304a\u308a\u3001\u305d\u308c\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306eDelphi 7\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb \u30a2\u30a4\u30b3\u30f3\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u4efb\u610f\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u5165\u529b\u3057\u3001Enter\u30ad\u30fc\u3092\u62bc\u3059\u3068\u3001\u30e9\u30d9\u30eb\u304c\u201cWrong\u201d\u306b\u5909\u308f\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6b63\u3057\u3044\u30d5\u30e9\u30b0\u3092\u5165\u529b\u3057\u3066\u3001Enter\u30ad\u30fc\u3092\u62bc\u3057\u3001\u305d\u308c\u3092\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_25.png\" \/><\/p>\n<\/div>\n<p>PE\u30d3\u30e5\u30fc\u30a2\u30fc\u3067\u305d\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u958b\u304f\u3068\u3001\u305d\u308c\u304c\u672a\u77e5\u306eEXE crypter\u3092\u4f7f\u7528\u3057\u3001\u30b3\u30fc\u30c9\u3092\u975e\u8868\u793a\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059(\u5b9f\u969b\u306b\u306f\u3001\u305d\u306ecrypter\u306f\u3001Delphi\u3067\u8a18\u8ff0\u3055\u308c\u305fMorphine 2.7\u3067\u3059)\u3002\u30a4\u30f3\u30dd\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u3092\u898b\u308b\u3068\u3001LoadLibraryA\u3001GetProcAddress\u304a\u3088\u3073PE\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u307f\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_26.png\" \/><\/p>\n<\/div>\n<p>\u63a2\u3059\u5fc5\u8981\u306e\u3042\u308b\u3082\u306e\u304c\u308f\u304b\u308c\u3070\u3001\u3053\u306e\u8ab2\u984c\u306f\u304b\u306a\u308a\u77ed\u6642\u9593\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u6709\u52b9\u306a\u30d5\u30e9\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u30eb\u30fc\u30c1\u30f3\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u201cWrong\u201d\u306b\u8a2d\u5b9a\u3059\u308b\u95a2\u6570\u306e\u5206\u6790\u304b\u3089\u59cb\u3081\u307e\u3059\u304c\u3001\u305d\u308c\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u4e8b\u524d\u306b\u3001\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30f3\u30d7\u3057\u3066IDA Pro\u3067\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4><b>\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u30c0\u30f3\u30d7<\/b><b><\/b><\/h4>\n<p>Scylla x86\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u3092\u30c0\u30f3\u30d7\u3067\u304d\u308b\u305f\u3081\u3001\u8ab2\u984c\u306b\u53d6\u308a\u639b\u304b\u308a\u3001Scylla\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u201cDelphiChallenge.exe\u201d\u3092\u9078\u629e\u3057\u3066\u3001\u201cIAT Autosearch (IAT\u81ea\u52d5\u691c\u7d22)\u201d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u201cGet Imports (\u30a4\u30f3\u30dd\u30fc\u30c8\u306e\u53d6\u5f97)\u201d\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u5f8c\u3001Scylla\u3067\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u306e\u691c\u7d22\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3059\u3067\u306b\u3001\u6b21\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u6b63\u3057\u3044\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_27.png\" \/><\/p>\n<\/div>\n<p>Scylla\u5185\u3067\u201cDump\u201d\u95a2\u6570\u3068\u201cFix dump\u201d\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001PE\u30c0\u30f3\u30d7\u3092\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002\u30c0\u30f3\u30d7\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001IDA Pro\u3067\u306e\u9759\u7684\u5206\u6790\u306b\u306f\u5341\u5206\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u6b63\u3057\u304f\u30c0\u30f3\u30d7\u3067\u304d\u307e\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u8ffd\u52a0\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059(\u300c\u8ffd\u52a0\u300d\u90e8\u5206\u3092\u53c2\u7167)\u3002<\/p>\n<h4><b>\u9759\u7684\u5206\u6790<\/b><b><\/b><\/h4>\n<p>\u6b21\u306bIDA Pro\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001Shift+F12\u3092\u4f7f\u7528\u3057\u3066\u201cstrings window (\u6587\u5b57\u5217\u30a6\u30a3\u30f3\u30c9\u30a6)\u201d\u306b\u76f4\u63a5\u79fb\u52d5\u3057\u307e\u3059\u3002\u6587\u5b57\u5217\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u201cWrong\u201d\u3092\u691c\u7d22\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e5\u3064\u306e\u30a8\u30f3\u30c8\u30ea\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_28.png\" \/><\/p>\n<\/div>\n<p>\u76f8\u4e92\u53c2\u7167\u3092\u4f7f\u7528\u3057\u3066\u6700\u521d\u306e\u6587\u5b57\u5217\u3092\u8fbf\u308b\u3068\u3001\u305d\u308c\u304csub_4C17BC\u5185\u3067\u53c2\u7167\u3055\u308c\u3066\u304a\u308a\u3001\u3055\u3089\u306b\u3082\u30461\u3064\u306e\u8208\u5473\u6df1\u3044\u6587\u5b57\u5217\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>byte_4C4C5C\u304c0\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u201cCorrect!! You are so g00d\u201d\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002byte_4C4C5C\u3092\u8fbf\u308b\u3068\u3001\u305d\u308c\u304c\u30aa\u30d5\u30bb\u30c3\u30c80x004C127F\u30671\u306b\u8a2d\u5b9a\u3055\u308c\u3001\u95a2\u6570\u304c\u30aa\u30d5\u30bb\u30c3\u30c80x004C0E1C\u3067\u59cb\u307e\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u79c1\u305f\u3061\u306e\u30d5\u30e9\u30b0\u306e\u30c6\u30b9\u30c8 \u30eb\u30fc\u30c1\u30f3\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_30.png\" \/><\/p>\n<\/div>\n<p>\u304b\u306a\u308a\u65e9\u304f\u3001\u6b63\u3057\u3044\u30d5\u30e9\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u30eb\u30fc\u30c1\u30f3\u304c\u7279\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u305d\u306e\u95a2\u6570\u3092\u5206\u6790\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001Windows\u7a2e\u76ee\u306e\u8ab2\u984c8\u306b\u304b\u306a\u308a\u4f3c\u3066\u3044\u307e\u3059\u3002\u30d5\u30e9\u30b0\u304c\u201cPAN{\u201c\u3067\u59cb\u307e\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306f\u308f\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u95a2\u6570\u304c\u6700\u521d\u306b\u30d5\u30e9\u30b0\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_31.png\" \/><\/p>\n<\/div>\n<p>Windows\u8ab2\u984c8\u3068\u540c\u69d8\u306b\u3001\u518d\u5ea6\u3001\u95a2\u6570\u3092\u8fbf\u308a\u3001\u8a08\u7b97\u3092\u9006\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u30c7\u30b3\u30fc\u30c0\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T15.png\" \/><\/p>\n<\/div>\n<p>\u3053\u308c\u3067\u3001\u305d\u306e\u30d5\u30e9\u30b0\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3057\u3066\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_32.png\" \/><\/p>\n<\/div>\n<h4><b>\u8ffd\u52a0: \u624b\u52d5\u3067\u306e\u5c55\u958b<\/b><b><\/b><\/h4>\n<p>\u30d7\u30ed\u30bb\u30b9\u3092\u6b63\u3057\u304f\u30c0\u30f3\u30d7\u3059\u308b\u305f\u3081\u306b\u3001OllyDbg\u3068OllyDump\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5143\u306e\u5165\u53e3\u70b9(OEP)\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u201c\u73fe\u5728\u306eESP\u306b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u201d\u624b\u6cd5\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u6700\u521d\u306e\u547d\u4ee4\u3092\u5b9f\u884c\u3057\u3066\u3001\u30c0\u30f3\u30d7 \u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u79fb\u52d5\u3057\u3001ESP\u306b\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u73fe\u5728\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u201cHardware, on access(\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30a2\u30af\u30bb\u30b9\u6642)\u201d\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_33.png\" \/><\/p>\n<\/div>\n<p>F9\u30ad\u30fc\u3092\u6570\u56de\u62bc\u3059\u3068\u3001\u5143\u306e\u5165\u53e3\u70b9\u306b\u5230\u9054\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u8a08\u7b97\u3092\u884c\u3044\u3001\u305d\u308c\u3092\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u306b\u30c0\u30f3\u30d7\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_34.png\" \/><\/p>\n<\/div>\n<p>\u5b9f\u969b\u306eOEP\u3092\u8a08\u7b97\u3059\u308b\u5834\u5408\u306f\u3001\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u304c\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_35.png\" \/><\/p>\n<\/div>\n<p>\u6b21\u306b\u3001\u3053\u308c\u3089\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u6e1b\u7b97\u3059\u308b\u3060\u3051\u3067\u3001OllyDump\u306e\u6b63\u3057\u3044\u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T16.png\" \/><\/p>\n<\/div>\n<p>\u3067\u306f\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3067OllyDump\u3092\u6e80\u305f\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u201cdumped.exe\u201d\u3068\u3057\u3066\u30c0\u30f3\u30d7\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_36.png\" \/><\/p>\n<\/div>\n<p>\u3057\u304b\u3057\u3001\u5c55\u958b\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306e\u5b9f\u884c\u3092\u8a66\u3057\u3066\u3082\u3001\u307e\u3060\u4f55\u304b\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Something-wrong.png\" \/><\/p>\n<\/div>\n<p>\u304a\u305d\u3089\u304f\u3001\u554f\u984c\u306e\u539f\u56e0\u306f\u30a4\u30f3\u30dd\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u3067\u3059\u304c\u3001Scylla\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3092\u81ea\u5206\u305f\u3061\u7528\u306b\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u3001DelphiChallenge.exe\u3092\u518d\u5ea6\u5b9f\u884c\u3057\u3066(\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9)\u3001\u30a4\u30f3\u30dd\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u3092\u691c\u7d22\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u6b63\u3057\u3044\u5165\u53e3\u70b9\u3068\u30a4\u30e1\u30fc\u30b8 \u30d9\u30fc\u30b9\u3082\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_T17.png\" \/><\/p>\n<\/div>\n<p>\u3053\u308c\u3067\u3001\u201cFix dump(\u30c0\u30f3\u30d7\u306e\u4fee\u6b63)\u201d\u3092\u4f7f\u7528\u3057\u3066\u3001dumped.exe\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_38.png\" \/><\/p>\n<\/div>\n<p>Scylla\u306b\u3088\u3063\u3066\u65b0\u3057\u3044\u30a4\u30f3\u30dd\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u304c\u4f5c\u6210\u3055\u308c\u3001\u3053\u308c\u3067\u3001\u5c55\u958b\u3055\u308c\u305f\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u3084\u308a\u307e\u3057\u305f!<\/p>\n<div>\n<p><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/paloaltonetworks-com\/ja_JP\/Images\/blog\/Windows_2_39.png\" 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