{"id":174221,"date":"2026-02-19T06:41:36","date_gmt":"2026-02-19T14:41:36","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=174221"},"modified":"2026-02-25T07:51:21","modified_gmt":"2026-02-25T15:51:21","slug":"beyondtrust-cve-2026-1731","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/beyondtrust-cve-2026-1731\/","title":{"rendered":"BeyondTrust\u306e\u6df1\u523b\u306a\u8106\u5f31\u6027\uff08CVE-2026-1731\uff09\u306e\u60aa\u7528\u306b\u304a\u3044\u3066VShell\u304a\u3088\u3073SparkRAT\u3092\u78ba\u8a8d"},"content":{"rendered":"<h2><a id=\"post-174221-_nn5h1achnfik\"><\/a>\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc<\/h2>\n<p>2026\u5e742\u67086\u65e5\u3001BeyondTrust\u306f<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2026-1731\" target=\"_blank\" rel=\"noopener\">CVE-2026-1731<\/a>\u306b\u95a2\u3059\u308b<a href=\"https:\/\/www.beyondtrust.com\/trust-center\/security-advisories\/bt26-02\" target=\"_blank\" rel=\"noopener\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002BeyondTrust\u306f\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u304a\u3088\u3073\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\uff08IAM\uff09\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306f\u3001BeyondTrust\u306e\u30ea\u30e2\u30fc\u30c8\u30b5\u30dd\u30fc\u30c8\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5185\u306b\u5b58\u5728\u3059\u308b\u3001\u8a8d\u8a3c\u524d\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\uff08RCE\uff09\u306e\u554f\u984c\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u30b5\u30a4\u30c8\u30e6\u30fc\u30b6\u30fc\u306e \u6a29\u9650\u3067OS\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3001\u30c7\u30fc\u30bf\u6d41\u51fa\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u4e2d\u65ad\u3092\u542b\u3080\u30b7\u30b9\u30c6\u30e0\u306e\u4fb5\u5bb3\u3092\u62db\u304f\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Unit 42\u306f\u3053\u306e\u8106\u5f31\u6027\u306e\u60aa\u7528\u306b\u3064\u3044\u3066\u7a4d\u6975\u7684\u306b\u8abf\u67fb\u3092\u884c\u3063\u3066\u304a\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u653b\u6483\u8005\u306e\u6d3b\u52d5\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5075\u5bdf\u304a\u3088\u3073\u30a2\u30ab\u30a6\u30f3\u30c8\u4f5c\u6210<\/li>\n<li>Web\u30b7\u30a7\u30eb\u306e\u5c55\u958b<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08C2\uff09\u901a\u4fe1<\/li>\n<li>\u30d0\u30c3\u30af\u30c9\u30a2\u304a\u3088\u3073\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u30c4\u30fc\u30eb\u306e\u5c55\u958b<\/li>\n<li>\u30e9\u30c6\u30e9\u30eb\u30e0\u30fc\u30d6\u30e1\u30f3\u30c8\uff08\u6a2a\u5c55\u958b\uff09<\/li>\n<li>\u30c7\u30fc\u30bf\u7a83\u53d6<\/li>\n<\/ul>\n<p>Unit 42\u304c\u8ffd\u8de1\u3057\u3066\u3044\u308b\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f\u3001\u3053\u308c\u307e\u3067\u306b\u7c73\u56fd\u3001\u30d5\u30e9\u30f3\u30b9\u3001\u30c9\u30a4\u30c4\u3001\u30aa\u30fc\u30b9\u30c8\u30e9\u30ea\u30a2\u3001\u30ab\u30ca\u30c0\u306e\u4ee5\u4e0b\u306e\u30bb\u30af\u30bf\u30fc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u91d1\u878d\u30b5\u30fc\u30d3\u30b9<\/li>\n<li>\u6cd5\u52d9\u30b5\u30fc\u30d3\u30b9<\/li>\n<li>\u30cf\u30a4\u30c6\u30af<\/li>\n<li>\u9ad8\u7b49\u6559\u80b2<\/li>\n<li>\u5378\u58f2\u30fb\u5c0f\u58f2<\/li>\n<li>\u30d8\u30eb\u30b9\u30b1\u30a2<\/li>\n<\/ul>\n<p>\u30ea\u30b9\u30af\u306e\u6df1\u523b\u3055\u3068\u80fd\u52d5\u7684\u306a\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3053\u3068\u3092\u53d7\u3051\u3001\u7c73\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30a4\u30f3\u30d5\u30e9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5e81\uff08CISA\uff09\u306f2026\u5e742\u670813\u65e5\u3001\u672c\u8106\u5f31\u6027\u3092\u300c\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b\u8106\u5f31\u6027\uff08KEV\uff09\u30ab\u30bf\u30ed\u30b0\u300d\u306b\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8ffd\u52a0\u306b\u3088\u308a\u3001\u9023\u90a6\u653f\u5e9c\u6a5f\u95a2\u306b\u306f\u5373\u6642\u306e\u4fee\u6b63\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3001\u6c11\u9593\u30bb\u30af\u30bf\u30fc\u306b\u5bfe\u3057\u3066\u3082\u7dca\u6025\u306e\u512a\u5148\u5bfe\u5fdc\u304c \u793a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u672c\u7a3f\u516c\u958b\u6642\u70b9\u3067\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XPANSE\" target=\"_blank\" rel=\"noopener\">Cortex Xpanse<\/a>\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u306b\u57fa\u3065\u304f\u3068\u3001CVE-2026-1731\u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u9732\u51fa\u3057\u3066\u3044\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c16,400\u4ef6\u4ee5\u4e0a\u7279\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u88fd\u54c1\u3092\u901a\u3058\u3066CVE-2026-1731\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-1\/pan-os-new-features\/url-filtering-features\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a> \u304a\u3088\u3073<a href=\"https:\/\/docs.paloaltonetworks.com\/dns-security\" target=\"_blank\" rel=\"noopener\"> Advanced DNS Security<\/a><\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a> \u304a\u3088\u3073<a href=\"https:\/\/www.paloaltonetworks.com\/resources\/datasheets\/cortex-xsiam-aag\" target=\"_blank\" rel=\"noopener\"> XSIAM<\/a><\/li>\n<li><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XPANSE\" target=\"_blank\" rel=\"noopener\">Cortex Xpanse<\/a><\/li>\n<\/ul>\n<p>\u307e\u305f\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001BeyondTrust\u306eRemote Support\u304a\u3088\u3073Privileged Remote Access\u3092\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\uff08\u81ea\u793e\u904b\u7528\uff09\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306b\u5bfe\u3057\u3001\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3064\u3044\u3066\u3001<a href=\"https:\/\/www.beyondtrust.com\/trust-center\/security-advisories\/bt26-02\" target=\"_blank\" rel=\"noopener\">2026\u5e742\u6708\u306e\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u306b\u5f93\u3044\u624b\u52d5\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u3078\u306e\u5bfe\u5fdc\u3084\u3001\u30ea\u30b9\u30af\u4f4e\u6e1b\u306e\u305f\u3081\u306e\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30a2\u30bb\u30b9\u30e1\u30f3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.com\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">Unit 42\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u30c1\u30fc\u30e0<\/a>\u304c\u652f\u63f4\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width: 94.1968%;\">\n<tbody>\n<tr>\n<td style=\"width: 61.0315%;\"><b>\u53d6\u308a\u4e0a\u3052\u308b\u8106\u5f31\u6027<\/b><\/td>\n<td style=\"width: 261.891%;\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/tag\/cve-2026-1731\/\" target=\"_blank\" rel=\"noopener\"><strong>CVE-2026-1731<\/strong><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>CVE-2026-1731\u306e\u8a73\u7d30<\/h2>\n<p>CVE-2026-1731\u306f\u3001BeyondTrust\u30ea\u30e2\u30fc\u30c8\u30b5\u30dd\u30fc\u30c8\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30d1\u30c3\u30c1\u672a\u9069\u7528\u7248\u306e<span style=\"font-family: 'courier new', courier, monospace;\">thin-scc-wrapper<\/span>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u91cd\u5927\u306a\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\uff08RCE\uff09\u8106\u5f31\u6027\u3067\u3059\u3002\u3053\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6652\u3055\u308c\u3066\u304a\u308a\u3001\u53d7\u4fe1\u3059\u308bWebSocket\u63a5\u7d9a\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306b\u3088\u308a\u3001\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u30ea\u30e2\u30fc\u30c8\u306e\u653b\u6483\u8005\u304c\u9ad8\u3044\u6a29\u9650\u3067\u4efb\u610f\u306eOS\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306b\u306fCVSS\u30b9\u30b3\u30a29.9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u304a\u308a\u3001\u653b\u6483\u306e\u8907\u96d1\u3055\u304c\u4f4e\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6574\u5408\u6027\u3068\u6a5f\u5bc6\u6027\u306b\u5bfe\u3059\u308b\u5dee\u3057\u8feb\u3063\u305f\u8105\u5a01\u3067\u3042\u308b\u3053\u3068\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u8106\u5f31\u6027\u306e\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30bf\u30a4\u30d7<\/strong>: OS\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3 (<a href=\"https:\/\/cwe.mitre.org\/data\/definitions\/78.html\" target=\"_blank\" rel=\"noopener\">CWE-78<\/a>)<\/li>\n<li><strong>\u6df1\u523b\u5ea6<\/strong>: \u7dca\u6025 (CVSS v4 \u30b9\u30b3\u30a2: 9.9)<\/li>\n<li><strong>\u30d9\u30af\u30bf\u30fc<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af \/ \u8a8d\u8a3c\u524d<\/li>\n<li><strong>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/strong>: <span style=\"font-family: 'courier new', courier, monospace;\">thin-scc-wrapper<\/span> \u30b9\u30af\u30ea\u30d7\u30c8\uff08WebSocket\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u7d4c\u7531\u3067\u5230\u9054\u53ef\u80fd\uff09<\/li>\n<\/ul>\n<h3><a id=\"post-174221-_ycs718tg9c3f\"><\/a>\u30e1\u30ab\u30cb\u30ba\u30e0<\/h3>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001WebSocket\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3042\u308b\u300c<span style=\"font-family: 'courier new', courier, monospace;\">thin-scc-wrapper<\/span>\u300d\u306f\u3001\u63a5\u7d9a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u63d0\u4f9b\u3055\u308c\u308b<span style=\"font-family: 'courier new', courier, monospace;\"> remoteVersion<\/span> \u5024\u3092\u89e3\u6790\u304a\u3088\u3073\u8a55\u4fa1\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5024\u306f\u3001\u8868\u5411\u304d\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-174221-_qstlzvcm1p63\"><\/a>\u6b20\u9665\u306e\u5185\u5bb9<\/h3>\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u3001<a href=\"https:\/\/www.gnu.org\/software\/bash\/manual\/html_node\/Arithmetic-Expansion.html\" target=\"_blank\" rel=\"noopener\">bash\u306e\u7b97\u8853<\/a>\u6f14\u7b97\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">\uff08(( ... ))<\/span> \u3084 <span style=\"font-family: 'courier new', courier, monospace;\">let<\/span> \u306a\u3069\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002bash\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f\u6574\u6570\u5024\u3060\u3051\u306b\u9650\u5b9a\u3055\u308c\u305a\u3001\u30aa\u30da\u30e9\u30f3\u30c9(\u5024\u3084\u5909\u6570)\u3092\u5f0f\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5165\u529b\u304c\u53b3\u5bc6\u306b\u30b5\u30cb\u30bf\u30a4\u30ba\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u7b97\u8853\u6f14\u7b97\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u610f\u56f3\u3057\u305f\u6bd4\u8f03\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u57cb\u3081\u8fbc\u307e\u308c\u305f\u30b3\u30de\u30f3\u30c9\uff08\u30b3\u30de\u30f3\u30c9\u7f6e\u63db<span style=\"font-family: 'courier new', courier, monospace;\"> $(command)<\/span> \u306a\u3069\uff09\u3092\u8a55\u4fa1\u30fb\u5b9f\u884c\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-174221-_s3h3i3wlxk39\"><\/a>\u30b5\u30cb\u30bf\u30a4\u30ba\u306e\u5931\u6557<\/h3>\n<p>\u3053\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5bfe\u3059\u308b\u4ee5\u524d\u306e\u30d1\u30c3\u30c1\u3067\u306f\u6570\u5024\u306e\u4e00\u8cab\u6027\u30c1\u30a7\u30c3\u30af\u304c\u5c0e\u5165\u3055\u308c\u305f\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6211\u3005\u306e\u5206\u6790\u306b\u3088\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u5bfe\u7b56\u306f\u5b8c\u5168\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u5165\u529b\u6587\u5b57\u5217\u5185\u306e\u5f0f\u3092bash\u30a4\u30f3\u30bf\u30d7\u30ea\u30bf\u304c\u8a55\u4fa1\u3059\u308b\u306e\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u60aa\u7528\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u4e8b\u524d\u306e\u8a8d\u8a3c\u3084\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u653b\u6483\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u901a\u5e38\u3001\u4ee5\u4e0b\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u305f\u3069\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u63a5\u7d9a<\/strong>: \u653b\u6483\u8005\u306f\u30bf\u30fc\u30b2\u30c3\u30c8\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u5bfe\u3057\u3066\u6a19\u6e96\u7684\u306aWebSocket\u63a5\u7d9a\u3092\u958b\u59cb\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092 <span style=\"font-family: 'courier new', courier, monospace;\">\/nw [path]<\/span> \u307e\u305f\u306f <span style=\"font-family: 'courier new', courier, monospace;\">get_portal_info<\/span> \u306b\u95a2\u9023\u3059\u308b\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u8a98\u5c0e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/strong>: \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d5\u30a7\u30fc\u30ba\u4e2d\u306b\u3001\u653b\u6483\u8005\u306f\u60aa\u610f\u306e\u3042\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u542b\u3080\u3001\u610f\u56f3\u7684\u306b\u7d30\u5de5\u3055\u308c\u305f\u4e0d\u6b63\u306a <span style=\"font-family: 'courier new', courier, monospace;\">remoteVersion<\/span> \u5024\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001\u6982\u5ff5\u5b9f\u8a3c\uff08PoC\uff09\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">a[$(cmd)]0<\/span> \u306e\u3088\u3046\u306a\u7279\u5b9a\u306e\u5f62\u5f0f\u3092\u5229\u7528\u3057\u3001\u5f37\u5236\u7684\u306b\u7b97\u8853\u8a55\u4fa1\u3092\u884c\u308f\u305b\u307e\u3059\u3002<\/li>\n<li><strong>\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5b9f\u884c<\/strong>: <span style=\"font-family: 'courier new', courier, monospace;\">thin-scc-wrapper<\/span> \u30b9\u30af\u30ea\u30d7\u30c8\u304c <span style=\"font-family: 'courier new', courier, monospace;\">remoteVersion<\/span> \u5024\u3092\u51e6\u7406\u3059\u308b\u969b\u3001\u8aa4\u3063\u3066\u60aa\u610f\u306e\u3042\u308b\u30da\u30a4\u30ed\u30fc\u30c9\uff08\u6ce8\u5165\u3055\u308c\u305f\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\uff09\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u6ce8\u5165\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u306f\u300c\u30b5\u30a4\u30c8\u30e6\u30fc\u30b6\u30fc\u300d\u306e\u6a29\u9650\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306froot\u30e6\u30fc\u30b6\u30fc\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4fb5\u5bb3\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8a2d\u5b9a\u3001\u7ba1\u7406\u30bb\u30c3\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5b9f\u8cea\u7684\u306b\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-174221-_fhxivsx3j8gs\"><\/a>CVE-2026-1731\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u306e\u73fe\u72b6<\/h2>\n<p>Unit 42\u306f\u3001CVE-2026-1731\u306e\u60aa\u7528\u306b\u95a2\u9023\u3059\u308b\u8907\u6570\u306e\u4fb5\u5bb3\u4e8b\u4f8b\u3092\u7a4d\u6975\u7684\u306b\u8abf\u67fb\u3057\u3066\u3044\u307e\u3059\u3002\u8106\u5f31\u6027\u306e\u60aa\u7528\u306b\u6210\u529f\u3057\u305f\u5f8c\u3001\u653b\u6483\u8005\u304c\u305d\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u5229\u7528\u3057\u3066\u4ee5\u4e0b\u306e\u884c\u70ba\u3092\u884c\u3046\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30c9\u30e1\u30a4\u30f3\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210<\/li>\n<li>\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u304a\u3088\u3073\u4fe1\u983c\u95a2\u4fc2\u306e\u5075\u5bdf\u3092\u884c\u3046\u305f\u3081\u306e\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/li>\n<li>\u30ed\u30fc\u30ab\u30eb\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210<\/li>\n<li>\u30d0\u30c3\u30af\u30c9\u30a2\u306e\u5c55\u958b<\/li>\n<li>\u8ffd\u52a0\u306e\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u30c4\u30fc\u30eb\uff08<a href=\"https:\/\/simple-help.com\/\" target=\"_blank\" rel=\"noopener\">SimpleHelp<\/a> \u3084<a href=\"https:\/\/anydesk.com\/en\" target=\"_blank\" rel=\"noopener\"> AnyDesk<\/a>\uff09\u304a\u3088\u3073\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\uff08<a href=\"https:\/\/developers.cloudflare.com\/cloudflare-one\/networks\/connectors\/cloudflare-tunnel\/\" target=\"_blank\" rel=\"noopener\">Cloudflare<\/a> \u306a\u3069\uff09\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u8a66\u884c<\/li>\n<li>\u30c7\u30fc\u30bf\u7a83\u53d6<\/li>\n<\/ul>\n<h3><a id=\"post-174221-_5orpout98f8\"><\/a>\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/h3>\n<p>\u653b\u6483\u8005\u304c\u30ab\u30b9\u30bf\u30e0Python\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u4e00\u6642\u7684\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4e57\u3063\u53d6\u308a\u3001\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\uff08User ID 1\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u53d6\u5f97\u3059\u308b\u69d8\u5b50\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u969b\u3001\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\uff08\u75d5\u8de1\uff09\u306e\u56de\u53ce\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u306f60\u79d2\u5f8c\u306b\u524a\u9664\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306ePython\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3066\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u7ba1\u7406\u8005\uff08User ID 1\uff09\u306e\u65e2\u5b58\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u72ec\u81ea\u306e\u8a8d\u8a3c\u30d0\u30a4\u30ca\u30ea\uff08<span style=\"font-family: 'courier new', courier, monospace;\">check_auth<\/span>\uff09\u3092\u5229\u7528\u3057\u3066\u30d1\u30b9\u30ef\u30fc\u30c9\u6587\u5b57\u5217 <span style=\"font-family: 'courier new', courier, monospace;\">password<\/span> \u306e\u6709\u52b9\u306a\u30cf\u30c3\u30b7\u30e5\u3092\u751f\u6210\u3057\u3001\u305d\u306e\u30cf\u30c3\u30b7\u30e5\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u6ce8\u5165\u3057\u307e\u3059\u3002<\/p>\n<p>1\u5206\u9593\u306e\u30b9\u30ea\u30fc\u30d7\u5f8c\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u5143\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u5fa9\u5143\u3057\u3066\u81ea\u58ca\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6b63\u5f53\u306a\u7ba1\u7406\u8005\u304b\u3089\u4fb5\u5165\u3092\u96a0\u853d\u3057\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002\u56f31\u306b\u3053\u306ePython\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_174222\" aria-describedby=\"caption-attachment-174222\" style=\"width: 700px\" class=\"wp-caption alignnone\"><img  class=\"wp-image-174222 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-507530-174221-1.png\" alt=\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u62bd\u51fa\u624b\u6cd5\u3092\u793a\u3059Python\u30b9\u30af\u30ea\u30d7\u30c8\u3002\" width=\"700\" height=\"388\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-507530-174221-1.png 1412w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-507530-174221-1-786x435.png 786w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-507530-174221-1-1264x700.png 1264w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-507530-174221-1-768x425.png 768w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-174222\" class=\"wp-caption-text\">\u56f31. \u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u30a2\u30af\u30bb\u30b9\u7528\u306e\u30ab\u30b9\u30bf\u30e0Python\u30b9\u30af\u30ea\u30d7\u30c8\u3002<\/figcaption><\/figure>\n<h3><a id=\"post-174221-_by7rsypxs84r\"><\/a>Web\u30b7\u30a7\u30eb\u306e\u6d3b\u52d5<\/h3>\n<p>Unit 42\u306f\u3001\u653b\u6483\u8005\u304c\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u3055\u308c\u305f1\u884c\u306ePHP Web\u30b7\u30a7\u30eb\u3092\u542b\u3080\u8907\u6570\u306eWeb\u30b7\u30a7\u30eb\u3092\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u8de8\u3044\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30b3\u30f3\u30d1\u30af\u30c8\u306aPHP\u30d0\u30c3\u30af\u30c9\u30a2\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">eval()<\/span> \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001<span style=\"font-family: 'courier new', courier, monospace;\">POST['1']<\/span> \u30d1\u30e9\u30e1\u30fc\u30bf\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u305f\u751f\u306ePHP\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059<span style=\"font-family: 'courier new', courier, monospace;\"><span style=\"font-family: georgia, palatino, serif;\">\uff08<\/span>GET['aaaa'] <\/span>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5b58\u5728\u304c\u6761\u4ef6\uff09\u3002\u3053\u306e\u69cb\u9020\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u30c7\u30a3\u30b9\u30af\u306b\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c0\u30f3\u30d7\u306a\u3069\u306e\u30dd\u30b9\u30c8\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u6a29\u9650\u596a\u53d6\u5f8c\u306e\u6d3b\u52d5\uff09\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u56f32\u306b\u3053\u306e1\u884cPHP Web\u30b7\u30a7\u30eb\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_174233\" aria-describedby=\"caption-attachment-174233\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img  class=\"wp-image-174233 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-510018-174221-2.png\" alt=\"GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001POST\u30ea\u30af\u30a8\u30b9\u30c8\u304b\u3089\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5b9f\u884c\u3059\u308b\u6761\u4ef6\u6587\u3092\u542b\u3080PHP\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"53\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-510018-174221-2.png 1254w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-510018-174221-2-786x46.png 786w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-510018-174221-2-768x45.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-174233\" class=\"wp-caption-text\">\u56f32. CVE-2026-1731\u3092\u60aa\u7528\u3059\u308b\u6d3b\u52d5\u3067\u898b\u3089\u308c\u305f1\u884cPHP Web\u30b7\u30a7\u30eb\u3002<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001\u81ea\u52d5C2\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u96a0\u5bc6\u306a\u5b9f\u884c\u30b2\u30fc\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u3067\u30de\u30eb\u30c1\u30d9\u30af\u30bf\u30fc\u306aPHP Web\u30b7\u30a7\u30eb\uff08<span style=\"font-family: 'courier new', courier, monospace;\">aws.php<\/span>\uff09\u3082\u56de\u53ce\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u7740\u4fe1\u3059\u308b\u3059\u3079\u3066\u306eHTTP\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\uff08<span style=\"font-family: 'courier new', courier, monospace;\">POST\u3001GET\u3001Cookie<\/span>\uff09\u3092\u96c6\u7d04\u3057\u3066\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u30ad\u30e3\u30ea\u30a2\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u300c<span style=\"font-family: 'courier new', courier, monospace;\">ASS<\/span>\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u7279\u5b9a\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u63a2\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092Base64\u30c7\u30b3\u30fc\u30c9\u3057\u3001<span style=\"font-family: 'courier new', courier, monospace;\">eval()<\/span> \u3092\u4ecb\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u653b\u6483\u8005\u306f\u30c7\u30a3\u30b9\u30af\u306b\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u306a\u304f\u4efb\u610f\u306ePHP\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u5b9f\u884c\u524d\u5f8c\u306b <span style=\"font-family: 'courier new', courier, monospace;\">DQo=<\/span> (CRLF\u6587\u5b57) \u3092\u30a8\u30b3\u30fc\u51fa\u529b\u3059\u308b\u7279\u5fb4\u306f\u3001<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/tag\/china-chopper-ja\/\" target=\"_blank\" rel=\"noopener\">China Chopper<\/a> \u3084<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/actors-still-exploiting-sharepoint-vulnerability\/\" target=\"_blank\" rel=\"noopener\"> AntSword<\/a> \u3068\u3044\u3063\u305fC2\u30c4\u30fc\u30eb\u306e\u7279\u5fb4\u7684\u306a\u52d5\u4f5c\uff08\u30b7\u30b0\u30cd\u30c1\u30e3\uff09\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30c7\u30ea\u30df\u30bf\uff08\u533a\u5207\u308a\u6587\u5b57\uff09\u306b\u3088\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u4fb5\u5bb3\u3055\u308c\u305f\u30da\u30fc\u30b8\u306e\u30ce\u30a4\u30ba\u306e\u591a\u3044HTML\u30ec\u30b9\u30dd\u30f3\u30b9\u304b\u3089\u3001\u30b3\u30de\u30f3\u30c9\u306e\u51fa\u529b\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u62bd\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306ePHP Web\u30b7\u30a7\u30eb\u3092\u56f33\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_174244\" aria-describedby=\"caption-attachment-174244\" style=\"width: 1000px\" class=\"wp-caption alignnone\"><img  class=\"wp-image-174244 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-511764-174221-3.png\" alt=\"\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30eb\u30fc\u30d7\u3057\u3066\u6761\u4ef6\u3092\u78ba\u8a8d\u3059\u308b\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002Base64\u30c7\u30b3\u30fc\u30c9\u3068\u30b5\u30fc\u30d0\u30fc\u30ea\u30af\u30a8\u30b9\u30c8\u5909\u6570\u306e\u7d50\u5408\u304c\u542b\u307e\u308c\u308b\u3002\" width=\"1000\" height=\"399\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-511764-174221-3.png 2048w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-511764-174221-3-786x314.png 786w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-511764-174221-3-1753x700.png 1753w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-511764-174221-3-768x307.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-511764-174221-3-1536x614.png 1536w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-174244\" class=\"wp-caption-text\">\u56f33. PHP Web\u30b7\u30a7\u30eb <span style=\"font-family: 'courier new', courier, monospace;\">aws.php<\/span>\u3002<\/figcaption><\/figure>\n<p>\u653b\u6483\u8005\u306f\u307e\u305f\u3001\u300cconfig STOMPing\uff08\u8a2d\u5b9a\u306e\u4e0a\u66f8\u304d\uff09\u300d\u624b\u6cd5\u3092\u7528\u3044\u3066\u6c38\u7d9a\u7684\u306aWeb\u30b7\u30a7\u30eb\u3092\u78ba\u7acb\u3059\u308bbash\u30c9\u30ed\u30c3\u30d1\u30fc\u3082\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u307e\u305a\u3001\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30ad\u30fc\u304c <span style=\"font-family: 'courier new', courier, monospace;\">vjwr<\/span> \u306b\u4e00\u81f4\u3059\u308b\u5834\u5408\u306b\u306e\u307f\u4efb\u610f\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u3055\u308c\u305fPHP\u30d0\u30c3\u30af\u30c9\u30a2\uff08<span style=\"font-family: 'courier new', courier, monospace;\">file_save.php<\/span>\uff09\u3092Web\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u6b21\u306b\u3001\u7a3c\u50cd\u4e2d\u306eApache\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u60aa\u610f\u306e\u3042\u308b <span style=\"font-family: 'courier new', courier, monospace;\">Location<\/span> \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4e00\u6642\u7684\u306b\u6ce8\u5165\u3057\u3001\u30d0\u30c3\u30af\u30c9\u30a2\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u7279\u5b9a\u306eUnix\u30bd\u30b1\u30c3\u30c8\uff08<span style=\"font-family: 'courier new', courier, monospace;\">\/ns\/tmp\/php-fpm.sock<\/span>\uff09\u3067\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u5f37\u5236\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u306fApache\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3057\u3066\u3053\u306e\u60aa\u610f\u306e\u3042\u308b\u8a2d\u5b9a\u3092\u30e1\u30e2\u30ea\u306b\u30ed\u30fc\u30c9\u3057\u3001\u5373\u5ea7\u306b\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30af\u30ea\u30fc\u30f3\u306a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3067\u4e0a\u66f8\u304d\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306f\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u8abf\u67fb\u54e1\u306b\u306f\u6539\u5909\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u3064\u3064\u3001\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u306f\u30d0\u30c3\u30af\u30c9\u30a2\u3092\u5b8c\u5168\u306b\u6a5f\u80fd\u3055\u305b\u7d9a\u3051\u307e\u3059\u3002\u56f34\u306b\u3053\u306ebash\u30c9\u30ed\u30c3\u30d1\u30fc\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_174255\" aria-describedby=\"caption-attachment-174255\" style=\"width: 1000px\" class=\"wp-caption alignnone\"><img  class=\"wp-image-174255 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-514350-174221-4.png\" alt=\"\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u3055\u308c\u305f\u5b9f\u884c\u30b2\u30fc\u30c8\u3001\u4efb\u610f\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u3001\u304a\u3088\u3073Apache\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3092\u542b\u3080PHP\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8868\u793a\u3059\u308b\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"1000\" height=\"627\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-514350-174221-4.png 1870w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-514350-174221-4-702x440.png 702w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-514350-174221-4-1117x700.png 1117w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-514350-174221-4-768x481.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-514350-174221-4-1536x963.png 1536w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-174255\" class=\"wp-caption-text\">\u56f34. \u653b\u6483\u3067\u898b\u3089\u308c\u305fbash\u30c9\u30ed\u30c3\u30d1\u30fc\u3002<\/figcaption><\/figure>\n<h3><a id=\"post-174221-_gdks9ow558ng\"><\/a>\u30de\u30eb\u30a6\u30a7\u30a2<\/h3>\n<p>Unit 42\u306f\u3001\u5e83\u7bc4\u306a\u74b0\u5883\u306b\u304a\u3044\u3066<a href=\"https:\/\/github.com\/XZB-1248\/Spark\" target=\"_blank\" rel=\"noopener\">SparkRAT<\/a>\u30d0\u30c3\u30af\u30c9\u30a2\u306e\u6d3b\u52d5\u3092\u591a\u6570\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002SparkRAT\u306f\u30012023\u5e74\u306b\u300c<a href=\"https:\/\/www.sentinelone.com\/labs\/dragonspark-attacks-evade-detection-with-sparkrat-and-golang-source-code-interpretation\/\" target=\"_blank\" rel=\"noopener\">DragonSpark<\/a>\u300d\u3068\u3044\u3046\u611b\u79f0\u3067\u547c\u3070\u308c\u308b\u4e00\u9023\u306e\u653b\u6483\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5f53\u521d\u7279\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u306f\u3001Go\u8a00\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\uff08RAT\uff09\u3067\u3059\u3002\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001<a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/win.spark_rat\" target=\"_blank\" rel=\"noopener\">2022\u5e74\u4ee5\u6765\u3001\u3055\u307e\u3056\u307e\u306a\u653b\u6483<\/a>\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u307e\u305f\u3001\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u306e\u30e1\u30e2\u30ea\u5b9f\u884c\u3084\u6b63\u898f\u306e\u30b7\u30b9\u30c6\u30e0\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u507d\u88c5\u306a\u3069\u3001\u56de\u907f\u6280\u8853\u3092\u7279\u5fb4\u3068\u3059\u308b\u96a0\u5bc6\u6027\u306e\u9ad8\u3044Linux\u30d0\u30c3\u30af\u30c9\u30a2\u517cRAT\u3067\u3042\u308b<a href=\"https:\/\/www.trellix.com\/blogs\/research\/the-silent-fileless-threat-of-vshell\/\" target=\"_blank\" rel=\"noopener\">VShell<\/a>\u3082\u60aa\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Nezha\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305fPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3068\u3082\u306b\u3001\u30de\u30eb\u30c1\u30e1\u30bd\u30c3\u30c9\u306e\u300c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fb\u30a2\u30f3\u30c9\u30fb\u30a8\u30b0\u30bc\u30ad\u30e5\u30fc\u30c8\uff08\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u5b9f\u884c\uff09\u300d\u57fa\u76e4\u3082\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u6226\u7565\u306f\u3001\u5197\u9577\u306a\u30b3\u30de\u30f3\u30c9\uff08<span style=\"font-family: 'courier new', courier, monospace;\">wget, curl, python, busybox<\/span>\uff09\u3092\u9023\u9396\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089IoT\u30c7\u30d0\u30a4\u30b9\u307e\u3067\u3001\u591a\u69d8\u306aLinux\u74b0\u5883\u306b\u304a\u3044\u3066\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u914d\u4fe1\u3092\u78ba\u5b9f\u306b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6226\u7565\u3067\u306f\u3001\u6b63\u898f\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u60aa\u610f\u306e\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\uff08<span style=\"font-family: 'courier new', courier, monospace;\">blue.drx<\/span>\uff09\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u5185\u5bb9\u3092\u76f4\u63a5 sh \u306b\u30d1\u30a4\u30d7\u3057\u3066\u5373\u5ea7\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001Unit 42\u306f\u3001\u30dd\u30fc\u30c84444\u3092\u4ecb\u3057\u305f\u30c7\u30d5\u30a9\u30eb\u30c8\u306eMetasploit Meterpreter\u3068\u4e00\u81f4\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u3078\u306e\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb\u306e\u8a66\u884c\u3082\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n<h3><a id=\"post-174221-_3ehcwpz82jrj\"><\/a>DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9632\u5fa1\u306e\u56de\u907f<\/h3>\n<p>\u653b\u6483\u8005\u306f\u3001Burp Suite Collaborator\u30b5\u30fc\u30d3\u30b9\uff08<span style=\"font-family: 'courier new', courier, monospace;\">oastify[.]com<\/span>\uff09\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u305f\u30a2\u30a6\u30c8\u30aa\u30d6\u30d0\u30f3\u30c9\uff08OAST\uff09\u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u6210\u529f\u3092\u78ba\u8a8d\u3057\u3001\u4fb5\u5bb3\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u306e\u30d5\u30a3\u30f3\u30ac\u30fc\u30d7\u30ea\u30f3\u30c8 \u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002\u5916\u5411\u304d\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5f93\u6765\u306eC2\u30c1\u30e3\u30cd\u30eb\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u308c\u3089\u306e\u653b\u6483\u306fDNS\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5229\u7528\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30d0\u30a4\u30d1\u30b9\u3057\u307e\u3059\u3002<\/p>\n<p>\u88ab\u5bb3\u8005\u306e\u30db\u30b9\u30c8\u540d\u3092DNS\u30af\u30a8\u30ea\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\uff08\u4f8b\uff1a[<span style=\"font-family: 'courier new', courier, monospace;\">\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30db\u30b9\u30c8\u540d<\/span>].[<span style=\"font-family: 'courier new', courier, monospace;\">\u653b\u6483\u8005\u306e\u30c9\u30e1\u30a4\u30f3<\/span>]\uff09\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u51fa\u3066\u3044\u304f\u30c7\u30fc\u30bf\u3092\u6b63\u5f53\u306aDNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u53d7\u4fe1\u5074\u306eOAST\u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3057\u3001\u653b\u6483\u8005\u306fTCP\/HTTP\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u306a\u304f\u4fb5\u5bb3\u3092\u78ba\u8a8d\u3057\u3001\u7279\u5b9a\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30de\u30b7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u653b\u6483\u3067\u4f7f\u7528\u3055\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30db\u30b9\u30c8\u540d\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u300116\u9032\u6587\u5b57\u5217\u306b\u5909\u63db\u3057\u3066\u3001<span style=\"font-family: 'courier new', courier, monospace;\">nslookup<\/span> \u30af\u30a8\u30ea\u3092\u4ecb\u3057\u3066\u653b\u6483\u8005\u306eOAST\u30c9\u30e1\u30a4\u30f3\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u56f35\u306b\u305d\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_174266\" aria-describedby=\"caption-attachment-174266\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img  class=\"wp-image-174266 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-516950-174221-5.png\" alt=\"\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u30af\u30a8\u30ea\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"132\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-516950-174221-5.png 1362w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-516950-174221-5-786x115.png 786w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-516950-174221-5-768x113.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-174266\" class=\"wp-caption-text\">\u56f35. \u653b\u6483\u8005\u306eOAST\u30c9\u30e1\u30a4\u30f3\u3078\u306e<span style=\"font-family: 'courier new', courier, monospace;\">nslookup<\/span>\u30af\u30a8\u30ea\u306e\u4f8b\u3002<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306e\u653b\u6483\u3067\u306f\u3001\u53b3\u683c\u306aDNS\u30ea\u30be\u30eb\u30d0\u3092\u901a\u3058\u305f\u9001\u4fe1\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u3001\u56f36\u306b\u793a\u3059PowerShell\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001<span style=\"font-family: 'courier new', courier, monospace;\">BitConverter<\/span>\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u51e6\u7406\u3068DNS\u30e9\u30d9\u30eb\u5236\u9650\u306e\u7ba1\u7406\uff08\u30c7\u30fc\u30bf\u309263\u6587\u5b57\u306e\u30bb\u30b0\u30e1\u30f3\u30c8\u306b\u5206\u5272\uff09\u3092\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_174277\" aria-describedby=\"caption-attachment-174277\" style=\"width: 1000px\" class=\"wp-caption alignnone\"><img  class=\"wp-image-174277 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-518937-174221-6.png\" alt=\"\u653b\u6483\u8005\u304c\u30a8\u30f3\u30b3\u30fc\u30c9\u304a\u3088\u3073DNS\u30e9\u30d9\u30eb\u5236\u9650\u306e\u7ba1\u7406\u306b\u4f7f\u7528\u3057\u305fPowerShell\u30b3\u30fc\u30c9\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002\" width=\"1000\" height=\"125\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-518937-174221-6.png 2008w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-518937-174221-6-786x98.png 786w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-518937-174221-6-1920x239.png 1920w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-518937-174221-6-768x96.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2026\/02\/word-image-518937-174221-6-1536x191.png 1536w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-174277\" class=\"wp-caption-text\">\u56f36. \u653b\u6483\u3067\u4f7f\u7528\u3055\u308c\u305fPowerShell\u30b3\u30de\u30f3\u30c9\u3002<\/figcaption><\/figure>\n<h3><a id=\"post-174221-_8v3udy6xjv3w\"><\/a>\u30c7\u30fc\u30bf\u7a83\u53d6<\/h3>\n<p>Unit 42\u306f\u3001\u653b\u6483\u8005\u304c remoteVersion \u30d1\u30e9\u30e1\u30fc\u30bf\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306e\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3001\u5727\u7e2e\u3001\u304a\u3088\u3073\u6d41\u51fa\u3092\u884c\u3046\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u8907\u96d1\u306a\u30b3\u30de\u30f3\u30c9\u30c1\u30a7\u30fc\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3001\u5185\u90e8\u30b7\u30b9\u30c6\u30e0\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u304a\u3088\u3073\u30d5\u30ebPostgreSQL\u30c0\u30f3\u30d7\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u3001\u653b\u6483\u8005\u304c\u5236\u5fa1\u3059\u308bC2\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u3088\u3046\u3068\u8a66\u307f\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-174221-_5nmg7dhytcb8\"><\/a>\u6b74\u53f2\u7684\u80cc\u666f<\/h2>\n<p>CVE-2026-1731\u3068<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/cve-2024-12356\" target=\"_blank\" rel=\"noopener\">CVE-2024-12356<\/a>\u306e\u95a2\u4fc2\u306f\u3001\u7570\u306a\u308b\u5b9f\u884c\u30d1\u30b9\u5185\u306b\u304a\u3051\u308b\u5165\u529b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff08\u691c\u8a3c\uff09\u3068\u3044\u3046\u3001\u5c40\u6240\u7684\u304b\u3064\u7e70\u308a\u8fd4\u3055\u308c\u308b\u8ab2\u984c\u3092\u6d6e\u304d\u5f6b\u308a\u306b\u3057\u3066\u3044\u307e\u3059\u3002CVE-2024-12356\u306e\u4e0d\u5341\u5206\u306a\u691c\u8a3c\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff08postgres\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u969b\u306b\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001CVE-2026-1731\u306e\u4e0d\u5341\u5206\u306a\u691c\u8a3c\u306e\u554f\u984c\u306f\u3001BeyondTrust Remote Support (RS) \u304a\u3088\u3073\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eBeyondTrust Privileged Remote Access (PRA) \u306e\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3067\u767a\u751f\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>CVE-2024-12356\u306e\u5834\u5408\u3001\u653b\u6483\u8005\u306fWebSocket\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u5185\u306b\u304a\u3051\u308b\u4e0d\u5341\u5206\u306a\u5165\u529b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u5f7c\u3089\u306f <span style=\"font-family: 'courier new', courier, monospace;\">remoteVersion<\/span> \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3067\u3001\u65e2\u5b58\u306e\u691c\u8a3c\u30c1\u30a7\u30c3\u30af\u3092\u30d0\u30a4\u30d1\u30b9\u3057\u3001<span style=\"font-family: 'courier new', courier, monospace;\">thin-scc-wrapper<\/span> \u3092\u4ecb\u3057\u3066\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u9032\u5316\u306f\u3001\u9732\u51fa\u3057\u305f\u5165\u529b\u51e6\u7406\u30d1\u30b9\u304c\u3001\u8a8d\u8a3c\u524d\u306e\u521d\u671f\u30a2\u30af\u30bb\u30b9\u3092\u6c42\u3081\u308b\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3001\u4f9d\u7136\u3068\u3057\u3066\u4e3b\u8981\u304b\u3064\u4fa1\u5024\u306e\u9ad8\u3044\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u3042\u308b\u3053\u3068\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u306e\u91cd\u8981\u6027\u306f\u3001<a href=\"https:\/\/www.beyondtrust.com\/remote-support-saas-service-security-investigation\" target=\"_blank\" rel=\"noopener\">\u904e\u53bb\u306e\u4e8b\u4f8b<\/a>\u306b\u3088\u3063\u3066\u3082\u88cf\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u5143\u306e\u8106\u5f31\u6027\uff08<a href=\"https:\/\/www.beyondtrust.com\/trust-center\/security-advisories\/bt24-10\" target=\"_blank\" rel=\"noopener\">CVE-2024-12356<\/a>\uff09\u306f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc Silk Typhoon\uff08\u5225\u540d\uff1aAPT27, UNC5221, Emissary Panda\uff09\u306b\u3088\u3063\u3066\u30012024\u5e74\u306e<a href=\"https:\/\/www.justice.gov\/opa\/pr\/justice-department-charges-12-chinese-contract-hackers-and-law-enforcement-officers-global\" target=\"_blank\" rel=\"noopener\">\u7c73\u56fd\u8ca1\u52d9\u7701\u306e\u4fb5\u5bb3<\/a>\u3092\u542b\u3080\u3001\u6ce8\u76ee\u5ea6\u306e\u9ad8\u3044\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u60aa\u7528\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u6b74\u53f2\u7684\u7d4c\u7def\u306f\u3001CVE-2026-1731\u304c\u3001\u540c\u69d8\u306e\u512a\u4f4d\u6027\u3092\u6c42\u3081\u308b\u9ad8\u5ea6\u306a\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-174221-_xpr8p1rse3gd\"><\/a>\u66ab\u5b9a\u30ac\u30a4\u30c0\u30f3\u30b9<\/h2>\n<p>2026\u5e742\u6708\u306e<a href=\"https:\/\/www.beyondtrust.com\/trust-center\/security-advisories\/bt26-02\" target=\"_blank\" rel=\"noopener\">BeyondTrust \u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u3067\u306f\u3001Remote Support\u304a\u3088\u3073Privileged Remote Access\u3092\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\uff08\u81ea\u793e\u904b\u7528\uff09\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306b\u5bfe\u3057\u3001\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3064\u3044\u3066\u3001\u624b\u52d5\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>21.3\u3088\u308a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eRemote Support\u3001\u307e\u305f\u306f22.1\u3088\u308a\u53e4\u3044Privileged Remote Access\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306f\u3001\u3053\u306e\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u306b\u3001\u3088\u308a\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Privileged Remote Access\u3092\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306f\u3001\u672c\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3059\u308b\u305f\u3081\u306b25.1.1\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3059\u3079\u3066\u306eRemote Support SaaS\u304a\u3088\u3073Privileged Remote Access SaaS\u306e\u304a\u5ba2\u69d8\u306b\u5bfe\u3057\u3066\u306f\u30012026\u5e742\u67082\u65e5\u306e\u6642\u70b9\u3067\u672c\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3059\u308b\u30d1\u30c3\u30c1\u304c\u9069\u7528\u6e08\u307f\u3067\u3059\u3002<\/p>\n<p>Remote Support\u3092\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306f\u300125.3.2\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u672c\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-174221-_urxshke951vu\"><\/a>Unit 42 \u30de\u30cd\u30fc\u30b8\u30c9\u30b9\u30ec\u30c3\u30c8\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0 \u30af\u30a8\u30ea<\/h2>\n<p>Unit 42 \u30de\u30cd\u30fc\u30b8\u30c9\u30b9\u30ec\u30c3\u30c8\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u30c1\u30fc\u30e0\u306f\u3001Cortex XDR\u3068\u4ee5\u4e0b\u306eXQL\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u304a\u5ba2\u69d8\u306b\u304a\u3051\u308b\u672cCVE\u306e\u60aa\u7528\u8a66\u884c\u306e\u8ffd\u8de1\u3092\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002Cortex XDR\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u3082\u3001\u3053\u308c\u3089\u306eXQL\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u60aa\u7528\u306e\u5146\u5019\u3092\u691c\u7d22\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">\/\/ Title: CVE-2026-1731 Post exploitation operations originating from Bomgar session (Windows).\r\n\r\n\/\/ Description: This query identifies post exploitation and provide scoring based on the severity of the commands executed within Bomgar sessions on Windows endpoints.\r\n\r\n\/\/ MITRE ATT&amp;CK TTP ID: T1190\r\n\r\nconfig case_sensitive = false\r\n\r\n| dataset = xdr_data\r\n\r\n| filter (\r\n\r\nactor_process_image_name in (\"cmd.exe\", \"powershell.exe\")\r\n\r\nand causality_actor_process_image_name = \"bomgar-scc.exe\")\r\n\r\n| alter risk_score =\r\n\r\nif(action_process_image_command_line in (\"*net*domain*admin*\"), 5,\r\n\r\nif(action_process_image_command_line in (\"*net*\/add*\"), 5,\r\n\r\nif(action_process_image_name in (\"vssadmin.exe\", \"ntdsutil.exe\", \"whoami.exe\", \"nltest.exe\", \"quser.exe\", \"hostname.exe\", \"curl.exe\", \"wget.exe\", \"powershell.exe\"), 5,\r\n\r\nif(action_process_image_name in (\"dsquery.exe\", \"adfind.exe\", \"klist.exe\", \"tasklist.exe\", \"wevtutil.exe\", \"certutil.exe\"), 3,\r\n\r\nif(action_process_image_name in (\"ipconfig.exe\",\"qwinsta.exe\"), 2,\r\n\r\nif(action_process_image_name in (\"mshta.exe\", \"rundll32.exe\", \"netstat.exe\", \"findstr.exe\"), 1,\r\n\r\n0))))))\r\n\r\n| comp\r\n\r\nsum(risk_score) as total_risk_score,\r\n\r\ncount_distinct(action_process_image_command_line) as unique_proc_count,\r\n\r\nvalues(action_process_image_command_line) as action_process_image_command_lines,\r\n\r\nvalues(actor_process_command_line) as actor_cmd,\r\n\r\nearliest(_time) as earliest_seen,\r\n\r\nlatest(_time) as latest_seen,\r\n\r\nvalues(actor_process_instance_id) as actor_instance_id\r\n\r\nby agent_hostname, causality_actor_process_instance_id\r\n\r\n| alter severity =\r\n\r\nif(total_risk_score &gt;= 15, \"Critical\",\r\n\r\nif(total_risk_score &gt;= 8, \"High\",\r\n\r\nif(total_risk_score &gt;= 4, \"Medium\",\r\n\r\n\"Low\")))\r\n\r\n| sort desc total_risk_score\r\n\r\n|filter severity != \"Low\"<\/pre>\n<pre class=\"lang:default decode:true\">\/\/Title: CVE-2026-1731 Post exploitation activity originating from Bomgar session (Linux).\r\n\r\n\/\/ Description: This query identifies post exploitation activities performed through Bomgar remote support sessions by detecting suspicious command execution patterns on Linux systems.\r\n\r\n\/\/ MITRE ATT&amp;CK TTP ID: T1190\r\n\r\nconfig case_sensitive = false\r\n\r\n| preset=xdr_process\r\n\r\n| filter (actor_process_image_name = \"bomgar-scc\" or causality_actor_process_image_name = \"bomgar-scc\")\r\n\r\n| alter suspicious_processes = arraycreate(\"id \", \"curl\", \"wget\", \"whoami\", \"arp\", \"hostname\", \"nslookup\", \"whois\", \"nc \", \"ncat\", \"netcat\", \"base64\", \"uname\", \"dmidecode\", \"ip addr\", \"chmod +x\", \"chmod 7\", \"socat\", \"nohup\", \"setsid\", \"bash\", \".sh\", \"zsh\", \"mkfifo\", \"java\", \"python\", \"php\", \"\/dev\/udp\", \"\/dev\/tcp\", \"adduser\", \"useradd\", \"lua\", \"crontab\", \"mknod\", \"echo\")\r\n\r\n| filter action_process_image_command_line not in (\"*-uninstall --message-dialog-pid*\")\r\n\r\n| alter matches = arrayfilter(suspicious_processes , action_process_image_command_line contains \"@element\")\r\n\r\n| filter matches != null\r\n\r\n| comp count_distinct(action_process_image_command_line) as num_procs, values(action_process_image_command_line) as action_process_image_command_line, values(causality_actor_process_command_line) as causality_actor_process_command_line by agent_hostname, actor_process_image_name, actor_process_command_line, action_process_image_name\r\n\r\n| filter num_procs &gt; 1<\/pre>\n<h2><a id=\"post-174221-_77dmyjd2vynw\"><\/a>\u7d50\u8ad6<\/h2>\n<p>CVE-2026-1731\u306f\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eBeyondTrust\u30ea\u30e2\u30fc\u30c8\u30b5\u30dd\u30fc\u30c8\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u653b\u6483\u8005\u304c\u7a4d\u6975\u7684\u306b\u60aa\u7528\u3057\u3066\u3044\u308b\u8106\u5f31\u6027\u3067\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306e\u60aa\u7528\u306b\u6210\u529f\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306fRCE\u6a29\u9650\u3092\u53d6\u5f97\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002CVE-2026-1731\u306f\u30012024\u5e74\u306b\u767a\u751f\u3057\u305f\u540c\u69d8\u306e\u8106\u5f31\u6027\u3068\u95a2\u9023\u304c\u3042\u308a\u3001\u305d\u3061\u3089\u3082\u5b9f\u969b\u306e\u74b0\u5883 \u3067\u306e\u60aa\u7528\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7a2e\u306e\u8106\u5f31\u6027\u304c\u518d\u767a\u3059\u308b\u3053\u3068\u306f\u3001\u4fa1\u5024\u306e\u9ad8\u3044\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u304a\u3044\u3066\u591a\u5c64\u9632\u5fa1\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u88cf\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002\u7d44\u7e54\u306f\u30d1\u30c3\u30c1\u7ba1\u7406\u3060\u3051\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5185\u90e8\u306e\u30bb\u30b0\u30e1\u30f3\u30c8\u5316\u3055\u308c\u305f\u7ba1\u7406\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\uff08ZTNA\uff09\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u53b3\u683c\u306b\u9650\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3088\u308b\u5c01\u3058\u8fbc\u3081\u3092\u512a\u5148\u3059\u3079\u304d\u3067\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u30d1\u30b9\u306b\u8106\u5f31\u6027\u304c\u6b8b\u3063\u3066\u3044\u305f\u308a\u3001\u65b0\u3057\u3044\u4e9c\u7a2e\u304c\u51fa\u73fe\u3057\u305f\u308a\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u7ba1\u7406\u30d7\u30ec\u30fc\u30f3\u3092\u6a5f\u4f1a\u4e3b\u7fa9\u7684\u304a\u3088\u3073\u6a19\u7684\u578b\u306e\u653b\u6483\u306e\u4e21\u65b9\u304b\u3089\u906e\u65ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001\u4eca\u56de\u306e\u8abf\u67fb\u7d50\u679c\u3092\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9\uff08CTA\uff09\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\u5229\u7528\u3057\u3066\u3001\u304a\u5ba2\u69d8\u3078\u306e\u4fdd\u8b77\u3092\u8fc5\u901f\u306b\u5c55\u958b\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u30a2\u30af\u30bf\u30fc\u3092\u4f53\u7cfb\u7684\u306b\u963b\u6b62\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.cyberthreatalliance.org\/\" target=\"_blank\" rel=\"noopener\">Cyber Threat Alliance<\/a> \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306b\u6319\u3052\u308b\u5f53\u793e\u88fd\u54c1\u306b\u3088\u3063\u3066\u3088\u308a\u5b89\u5168\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u30b9\u30ec\u30c3\u30c8\u30d6\u30ea\u30fc\u30d5\u306f\u3001\u3055\u3089\u306a\u308b\u95a2\u9023\u60c5\u5831\u304c\u5f97\u3089\u308c\u6b21\u7b2c\u3001\u968f\u6642\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-174221-_f25c64kv4aic\"><\/a>CVE-2026-1731\u306b\u5bfe\u3059\u308b\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u306e\u4fdd\u8b77<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u88fd\u54c1\u306e\u4fdd\u8b77\u6a5f\u80fd\u3084\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u3066\u3001\u3053\u306e\u8105\u5a01\u3092\u7279\u5b9a\u3057\u3001\u9632\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308b\u5834\u5408\u3084\u7dca\u6025\u306e\u4e8b\u9805\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.com\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">Unit 42\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u30c1\u30fc\u30e0<\/a>\u306b\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u307e\u3067\u304a\u96fb\u8a71\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u65e5\u672c: +81.50.1790.0200<\/li>\n<li>\u5317\u7c73\uff08\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb\uff09: +1 (866) 486-4842 (866.4.UNIT42)<\/li>\n<li>\u82f1\u56fd: +44.20.3743.3660<\/li>\n<li>\u6b27\u5dde\u30fb\u4e2d\u6771: +31.20.299.3130<\/li>\n<li>\u30a2\u30b8\u30a2: +65.6983.8730<\/li>\n<li>\u30aa\u30fc\u30b9\u30c8\u30e9\u30ea\u30a2: +61.2.4062.7950<\/li>\n<li>\u30a4\u30f3\u30c9: 000 800 050 45107<\/li>\n<li>\u97d3\u56fd: +82.080.467.8774<\/li>\n<\/ul>\n<h3><a id=\"post-174221-_k24v9eiur177\"><\/a><strong>\u6b21<\/strong>\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u5411\u3051\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9<\/h3>\n<p><a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-1\/pan-os-new-features\/url-filtering-features\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a> \u304a\u3088\u3073<a href=\"https:\/\/docs.paloaltonetworks.com\/dns-security\" target=\"_blank\" rel=\"noopener\"> Advanced DNS Security<\/a> \u306f\u3001\u3053\u306e\u6d3b\u52d5\u306b\u95a2\u9023\u3059\u308b\u65e2\u77e5\u306e\u30c9\u30e1\u30a4\u30f3\u3084URL\u3092\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u3057\u3066\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-174221-_lbggr1a2aqb7\"><\/a>Cortex XDR\u304a\u3088\u3073XSIAM<\/h3>\n<p><a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a> \u304a\u3088\u3073<a href=\"https:\/\/www.paloaltonetworks.com\/resources\/datasheets\/cortex-xsiam-aag\" target=\"_blank\" rel=\"noopener\"> XSIAM<\/a> \u306f\u3001\u591a\u5c64\u9632\u5fa1\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u7528\u3057\u3066\u30dd\u30b9\u30c8\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c6\u30fc\u30b7\u30e7\u30f3\u6d3b\u52d5\u304b\u3089\u306e\u4fdd\u8b77\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-174221-_zdimf5g4hp75\"><\/a>Cortex Xpanse<\/h3>\n<p><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XPANSE\" target=\"_blank\" rel=\"noopener\">Cortex Xpanse<\/a> \u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u9732\u51fa\u3057\u3066\u3044\u308bBeyondTrust Secure Remote Access\u30b7\u30b9\u30c6\u30e0\u3092\u7279\u5b9a\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u9632\u5fa1\u5074\u306b\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XPANSE\" target=\"_blank\" rel=\"noopener\">BeyondTrust Secure Remote Access<\/a> Attack Surface Rule\uff08\u653b\u6483\u5bfe\u8c61\u9818\u57df\u30eb\u30fc\u30eb\uff09\u304c\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30ea\u30b9\u30af\u306b\u95a2\u3059\u308b\u30a2\u30e9\u30fc\u30c8\u3092\u6709\u52b9\u306b\u3067\u304d\u307e\u3059\u3002\u7279\u5b9a\u3055\u308c\u305f\u7d50\u679c\u306f\u3001Threat Response Center\u307e\u305f\u306fExpander\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30d3\u30e5\u30fc\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7d50\u679c\u306f\u3001ASM\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8cfc\u5165\u3057\u305fCortex XSIAM\u306e\u304a\u5ba2\u69d8\u3082\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h3><a id=\"post-174221-_h5wb81n5p73a\"><\/a>Cortex Cloud<\/h3>\n<p>\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u5185\u3067\u306e\u672c\u8106\u5f31\u6027\u306e\u60aa\u7528\u3092\u793a\u3059\u65e2\u77e5\u306e\u5146\u5019\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001Cortex Cloud\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/cloud\/vulnerability-management\" target=\"_blank\" rel=\"noopener\">Cortex Cloud\u306e\u8106\u5f31\u6027\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8106\u5f31\u306a\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u304b\u3089\u3088\u308a\u5f37\u529b\u306b\u4fdd\u8b77\u3055\u308c\u3001\u691c\u51fa\u3068\u4fee\u5fa9\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u5185\u306bCortex Cloud<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/r\/Cortex-CLOUD\/Cortex-Cloud-Runtime-Security-Documentation\/Endpoint-protection\" target=\"_blank\" rel=\"noopener\"> XDR \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/a>\u304a\u3088\u3073<a href=\"https:\/\/www.google.com\/search?q=https:\/\/docs-cortex.paloaltonetworks.com\/r\/Cortex-XSIAM\/Cortex-XSIAM-Premium-Documentation\/Use-cases\" target=\"_blank\" rel=\"noopener\">\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/a>\u3092\u9069\u5207\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u884c\u6642\u306e\u60aa\u610f\u306e\u3042\u308b\u64cd\u4f5c\u3001\u8a2d\u5b9a\u5909\u66f4\u3001\u307e\u305f\u306f\u60aa\u7528\u3092\u691c\u77e5\u30fb\u9632\u6b62\u3057\u3001\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u306e\u6301\u7d9a\u7684\u306a\u9632\u5fa1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-174221-_wxkv80c9kkf6\"><\/a>\u4fb5\u5bb3\u6307\u6a19\uff08IoC\uff09<\/h2>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">23.162.40[.]187<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">37.19.221[.]180<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">45.61.150[.]96<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">70.23.0[.]66<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">82.29.53[.]187<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">82.29.72[.]16<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">83.138.53[.]139<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">85.155.186[.]121<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">92.223.44[.]134<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">98.10.233[.]76<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">134.122.13[.]34<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">138.197.14[.]95<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">142.111.152[.]50<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">144.172.103[.]200\/4444<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">155.2.215[.]64<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">178.128.212[.]209<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">179.43.146[.]42<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">45.61.150[.]96\/4444<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">138.197.14[.]95\/ws (SparkRAT)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp[:]\/\/64.31.28[.]221\/support<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">aliyundunupdate[:]xyz:8084\/slt (VShell)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">d65sb7ngveucv5k2nm508abdsjmbn7qmn.oast[.]pro<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">q0r2e5q2dzbykcox9qmkptm12s8mwb.oastify[.]com<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp[:]\/\/134.122.13[.]34:8979\/c (SparkRAT)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp[:]\/\/82.29.53[.]187:8778\/app_cli<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/transfer.weepee[.]io\/7nZw7\/blue.drx<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp[:\/\/]85.155.186[.]121\/access (SimpleHelp)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/temp[.]sh\/tQTSs\/storm.exe<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/64.95.10[.]115:23011\/update.sh<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/judiemkqjajsfzpidfjlowgl8nyrtd49x.oast[.]fun<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/raw.githubusercontent[.]com\/nezhahq\/scripts\/main\/agent\/install.ps1<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp[:]\/\/39uchxifap4cvgzsuirom0szrrg.d65lre9sfqnlcv49317gcis6pyjsatzho.oast[.]pro<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/85.155.186[.]121\/access\/Remote%20Access-linux64-offline.tar?language=en&amp;app=76049110434275449312180081368257747094<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxps[:]\/\/github[.]com\/nicocha30\/ligolo-ng\/releases\/download\/v0.8.2\/ligolo-ng_agent_0.8.2_linux_amd64.tar.gz<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">9f431d5549a03aee92cfd2bdbbe90f1c91e965c99e90a0c9ad5a001f4e80c350 (SparkRAT)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">98a7b0900a9072bb40af579ec372da7b27af12b15868394df51fefe290ab176b (VShell)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">66cceb2c2f1d9988b501832fd3b559775982e2fce4ab38fc4ffe71b74eafc726 (maintenance.php)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">679ee05d92a858b6fe70aeb6072eb804548f1732e18b6c181af122b833386afb (d6)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">4762e944a0ce1f9aef243e11538f84f16b6f36560ed6e32dfd9a5f99e17e8e50 (Installer for SimpleHelp)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">98442387d466f27357d727b3706037a4df12a78602b93df973b063462a677761 (aws.php)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">cc2bc3750cc5125a50466f66ae4f2bedf1cac0e43477a78ed2fd88f3e987a292 (Bash Script)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce (file_save.php)<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0ecc867ce916d01640d76ec03de24d1d23585eb582e9c48a0364c62a590548ac<\/span><\/li>\n<\/ul>\n<p><em>2026\u5e742\u670820\u65e5\u5348\u524d9\u664250\u5206\uff08\u592a\u5e73\u6d0b\u6a19\u6e96\u6642\uff09\u66f4\u65b0\uff1aCortex 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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>BeyondTrust\u306e\u6df1\u523b\u306a\u8106\u5f31\u6027\uff08CVE-2026-1731\uff09\u306e\u60aa\u7528\u306b\u304a\u3044\u3066VShell\u304a\u3088\u3073SparkRAT\u3092\u78ba\u8a8d<\/title>\n<meta name=\"description\" content=\"CVE-2026-1731\u306f\u3001\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0BeyondTrust\u306b\u304a\u3051\u308bRCE\uff08\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u306e\u8106\u5f31\u6027\u3067\u3059\u3002\u3053\u306e\u6b20\u9665\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u306a\u3057\u3067\u30b7\u30b9\u30c6\u30e0\u3092\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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content=\"CVE-2026-1731\u306f\u3001\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0BeyondTrust\u306b\u304a\u3051\u308bRCE\uff08\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u306e\u8106\u5f31\u6027\u3067\u3059\u3002\u3053\u306e\u6b20\u9665\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u306a\u3057\u3067\u30b7\u30b9\u30c6\u30e0\u3092\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unit42.paloaltonetworks.com\/ja\/beyondtrust-cve-2026-1731\/\" \/>\n<meta property=\"og:site_name\" content=\"Unit 42\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-19T14:41:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T15:51:21+00:00\" \/>\n<meta property=\"og:image\" 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