{"id":123384,"date":"2022-06-05T19:15:59","date_gmt":"2022-06-06T02:15:59","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=123384"},"modified":"2022-10-04T01:22:56","modified_gmt":"2022-10-04T08:22:56","slug":"cve-2022-26134-atlassian-code-execution-vulnerability","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/cve-2022-26134-atlassian-code-execution-vulnerability\/","title":{"rendered":"[2022-10-04 17:20 JST\u66f4\u65b0] \u8105\u5a01\u306b\u95a2\u3059\u308b\u60c5\u5831: Atlassian Confluence\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u8106\u5f31\u6027(CVE-2022-26134)"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>6\u67082\u65e5\u3001<a href=\"https:\/\/www.volexity.com\/blog\/2022\/06\/02\/zero-day-exploitation-of-atlassian-confluence\/\">Volexity<\/a>\u306f\u300c\u7c73\u56fd\u306e\u30e1\u30e2\u30ea\u30a2\u30eb\u30c7\u30fc(\u6226\u6ca1\u5c06\u5175\u8ffd\u60bc\u8a18\u5ff5\u65e5)\u306e\u9031\u672b\u306b\u304b\u3051\u3001Atlassian Confluence Server\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7a3c\u50cd\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u9762\u3057\u305f2\u53f0\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u4e0d\u5be9\u306a\u6d3b\u52d5\u3092\u78ba\u8a8d\u3057\u305f\u300d\u3068\u5831\u544a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u4fb5\u5bb3\u3092\u5206\u6790\u3057\u305f\u7d50\u679c\u3001Volexity\u306f\u6700\u521d\u306e\u8db3\u304c\u304b\u308a\u304cConfluence Server\u3068Data Center\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u8106\u5f31\u6027\u306b\u3088\u308b\u3082\u306e\u3060\u3063\u305f\u3068\u5224\u65ad\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8a73\u7d30\u306f5\u670831\u65e5\u306bAtlassian\u306b\u5831\u544a\u3055\u308c\u3001\u305d\u306e\u5f8cAtlassian\u306f\u3053\u306e\u554f\u984c\u306b<a href=\"https:\/\/confluence.atlassian.com\/doc\/confluence-security-advisory-2022-06-02-1130377146.html\">CVE-2022-26134<\/a>\u306b\u5272\u308a\u5f53\u3066\u307e\u3057\u305f\u3002<\/p>\n<p>\u540c\u793e\u304c\u767a\u884c\u3057\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u306b\u3088\u308b\u3068\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u5b9f\u969b\u306b\u672a\u8a8d\u8a3c\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u8106\u5f31\u6027\u3067\u3042\u3063\u305f\u3088\u3046\u3067\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u8a8d\u8a3c\u3092\u56de\u907f\u3057\u3066\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3Cortex Xpanse\u306f\u3053\u306eCVE\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b Confluence Server\u309219,707\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/confluence.atlassian.com\/doc\/confluence-security-advisory-2022-06-02-1130377146.html\">Atlassian<\/a>\u306f\u3053\u306e\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u30d1\u30c3\u30c1\u3092\u516c\u958b\u6e08\u307f\u3067\u3059\u3002\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3053\u306e\u30d1\u30c3\u30c1\u3092\u305f\u3060\u3061\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>2022\u5e746\u67087\u65e5\u66f4\u65b0: \u5b9f\u5730\u89b3\u6e2c\u306e\u7d50\u679c\u3092\u88dc\u8db3\u3057\u307e\u3057\u305f\u3002<\/p>\n<table style=\"width: 87.6624%;\">\n<tbody>\n<tr>\n<td style=\"width: 57.6324%;\"><span style=\"font-weight: 400;\">\u672c\u7a3f\u3067\u6271\u3046\u8106\u5f31\u6027<\/span><\/td>\n<td style=\"width: 187.85%;\"><span style=\"font-weight: 400;\">CVE-2022-26134<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u76ee\u6b21<\/h2>\n<p><a href=\"#vulnerable-systems\">\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0<\/a><br \/>\n<a href=\"#in-the-wild\">\u5b9f\u969b\u306eCVE-2022-26134\u306e\u60aa\u7528<\/a><br \/>\n<a href=\"#managed-threat-hunting-detections\">Cortex Managed Threat Hunting\u306b\u3088\u308bCVE-2022-26134\u306e\u691c\u51fa<\/a><br \/>\n<a href=\"#conclusion\">\u7d50\u8ad6<\/a><br \/>\n<a href=\"#indicators-of-compromise\">IoC<\/a><\/p>\n<h2><a id=\"vulnerable-systems\"><\/a>\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3Cortex Xpanse\u306f\u3053\u306eCVE\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b Confluence Server\u309219,707\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u5927\u534a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u7c73\u56fd\u3001\u30c9\u30a4\u30c4\u3001\u4e2d\u56fd\u3001\u30ed\u30b7\u30a2\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_123388\" aria-describedby=\"caption-attachment-123388\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123379 lozad\"  data-src=\"https:\/\/unit42-preview.paloaltonetworks.com\/wp-content\/uploads\/2022\/06\/geo-loc-distribution-potentially-vulnerable-instances-against-CVE-2022-26134.png\" alt=\"CVE-2022-26134\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308bConfluence\u30b5\u30fc\u30d0\u30fc\u306e\u5730\u57df\u5225\u7d71\u8a08: \u7c73\u56fd 34.6%\u3001\u30c9\u30a4\u30c4 18.3%\u3001\u4e2d\u56fd 9.6%\u3001\u30ed\u30b7\u30a2 5.2%\u3001\u30a2\u30a4\u30eb\u30e9\u30f3\u30c9 (\u5272\u5408\u306f\u308f\u305a\u304b)\u3001\u305d\u306e\u4ed6\u306e\u5730\u57df 29.2%\" width=\"900\" height=\"557\" \/><figcaption id=\"caption-attachment-123388\" class=\"wp-caption-text\">\u56f31. 2022\u5e746\u67083\u65e5\u306bCortex Xpanse\u304c\u78ba\u8a8d\u3057\u305f\u3053\u306e\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308bConfluence Server\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u306e\u5730\u57df\u5206\u5e03(\u30b0\u30ec\u30fc\u3067\u8868\u793a\u3057\u305f29.2%\u306f\u300c\u305d\u308c\u4ed6\u306e\u5730\u57df\u300d\u306b\u5b58\u5728\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u8868\u3059)<\/figcaption><\/figure>\n<p>\u3055\u3089\u306bXpanse\u8abf\u67fb\u30c1\u30fc\u30e0\u306f1,251\u53f0\u306e\u88fd\u54c1\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u30d0\u30fc\u30b8\u30e7\u30f3\u306eConfluence Server\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u7a3c\u50cd\u3057\u3066\u3044\u308b\u8cc7\u7523\u306f\u3001\u7d76\u5bfe\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u516c\u958b\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u5b89\u5168\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u66f4\u65b0\u3067\u304d\u306a\u3044\u8cc7\u7523\u306f\u3001\u9694\u96e2\u306a\u3044\u3057\u5b8c\u5168\u306b\u9000\u5f79\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u3092\u7d42\u4e86\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3044\u3063\u3053\u3046\u306b\u6e1b\u3089\u306a\u3044\u554f\u984c\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/start.paloaltonetworks.com\/2022-asm-threat-report.html\">2022 Cortex Xpanse Attack Surface Threat Report<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2><a id=\"in-the-wild\"><\/a>\u5b9f\u969b\u306eCVE-2022-26134\u306e\u60aa\u7528<\/h2>\n<p>\u3053\u308c\u307e\u3067\u306e\u3068\u3053\u308dUnit 42\u3067\u306fVolexity\u306e\u516c\u958b\u3057\u305fIP\u30a2\u30c9\u30ec\u30b9\u306b\u3082\u3068\u3065\u3044\u3066\u30d2\u30b9\u30c8\u30ea\u30ab\u30eb\u30b9\u30ad\u30e3\u30f3(\u904e\u53bb\u306e\u30b9\u30ad\u30e3\u30f3\u5c65\u6b74\u3068\u306e\u6bd4\u8f03\u306e\u305f\u3081\u306b\u5b9f\u884c\u3055\u308c\u308b\u30b9\u30ad\u30e3\u30f3)\u304c\u884c\u306a\u308f\u308c\u3066\u3044\u308b\u69d8\u5b50\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30ad\u30e3\u30f3\u306f\u3001\u65e9\u3044\u3082\u306e\u3067\u306f2022\u5e745\u670826\u65e5\u306b\u3055\u304b\u306e\u307c\u308a\u3001\u69d8\u3005\u306a\u696d\u754c\u306e\u7d44\u7e54\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u6982\u5ff5\u5b9f\u8a3c(PoC)\u3068\u3055\u308c\u308b\u3082\u306e\u3082\u30d1\u30d6\u30ea\u30c3\u30af\u30c9\u30e1\u30a4\u30f3\u306b\u51fa\u56de\u3063\u305f\u3053\u3068\u304b\u3089\u3001\u3053\u306e\u8106\u5f31\u6027\u304c\u3082\u305f\u3089\u3059\u8105\u5a01\u306f\u3055\u3089\u306b\u5897\u5927\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"managed-threat-hunting-detections\"><\/a>Cortex Managed Threat Hunting\u306b\u3088\u308bCVE-2022-26134\u306e\u691c\u51fa<\/h3>\n<p><span style=\"font-weight: 400;\">Cortex Managed Threat Hunting \u30c1\u30fc\u30e0\u306f\u3001\u8907\u6570\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u691c\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u306a\u304b\u306b\u306f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u6210\u529f\u3057\u305f\u3082\u306e\u304c\u3042\u308a\u3001\u3053\u308c\u304cCerber\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u305f\u3060\u3057\u3053\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306f Cortex XDR\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002Managed Threat Hunting\u30c1\u30fc\u30e0\u306f\u3001\u3053\u306e\u4ef6\u3092\u76f4\u3061\u306b\u304a\u5ba2\u69d8\u306b\u5831\u544a\u3057\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3059\u308bXQL\u30af\u30a8\u30ea\u3067\u304a\u5ba2\u69d8\u74b0\u5883\u306e\u76e3\u8996\u3092\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u307e\u305fCortex XDR\u306b\u306f\u30dd\u30b9\u30c8\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u6d3b\u52d5\u306b\u5bfe\u3059\u308b\u691c\u51fa\u6a5f\u80fd\u304c\u8907\u6570\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u4ee5\u4e0b\u306b\u79c1\u305f\u3061\u304c\u89b3\u6e2c\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306e\u8a73\u7d30\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u00a0<\/span><\/p>\n<figure id=\"attachment_123405\" aria-describedby=\"caption-attachment-123405\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123406 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/06\/Figure-2.png\" alt=\"CVE-2022-26134\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u6d3b\u52d5\u6210\u529f\u6642\u306b\u89b3\u6e2c\u3055\u308c\u305f\u5185\u5bb9\u3092\u793a\u3059\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3002\" width=\"900\" height=\"715\" \/><figcaption id=\"caption-attachment-123405\" class=\"wp-caption-text\">\u56f32. CVE-2022-26134\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u6210\u529f\u4f8b<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u4e8b\u4f8b\u3067\u306f<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">tomcat.exe<\/span><span style=\"font-weight: 400;\">\u30d7\u30ed\u30bb\u30b9\u304c\u8907\u6570\u306e\u5075\u5bdf\u7528\u30b3\u30de\u30f3\u30c9(<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">whoami<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">systeminfo<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">arp<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">ipconfig<\/span><span style=\"font-weight: 400;\">\u306a\u3069)\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3057\u305f\u3002 <\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u304f\u308f\u3048\u3066Base64\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305fPowerShell\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u3001\u3053\u308c\u304c\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/span><\/p>\n<figure id=\"attachment_123407\" aria-describedby=\"caption-attachment-123407\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123408 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/06\/Figure-3png.png\" alt=\"PowerShell\u30b3\u30de\u30f3\u30c9\u3092Base64\u30c7\u30b3\u30fc\u30c9\u3057\u305f\u5185\u5bb9\u3053\u3053\u3067\u8868\u793a\u3057\u3066\u3044\u308b\u30b3\u30de\u30f3\u30c9\u306fIEX\u3067\u59cb\u307e\u3063\u3066\u3044\u308b\u3002\" width=\"900\" height=\"43\" \/><figcaption id=\"caption-attachment-123407\" class=\"wp-caption-text\">\u56f33. PowerShell\u30b3\u30de\u30f3\u30c9\u3092Base64\u30c7\u30b3\u30fc\u30c9\u3057\u305f\u5185\u5bb9<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u5148\u306e\u6d3b\u52d5\u304cCVE-2022-26134\u95a2\u9023\u3067\u3042\u308b\u3068\u3044\u3046\u4eee\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001<\/span> <span style=\"font-weight: 400;\">Confluence\u306eApache\u30a2\u30af\u30bb\u30b9\u30ed\u30b0(<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">atlassian-confluence.log<\/span><span style=\"font-weight: 400;\">)\u3092\u8abf\u3079\u305f\u3068\u3053\u308d\u3001PowerShell\u306e\u5b9f\u884c\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/span><\/p>\n<figure id=\"attachment_123409\" aria-describedby=\"caption-attachment-123409\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-123410 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/06\/Figure-4.png\" alt=\"atlassian-confluence.log\u30d5\u30a1\u30a4\u30ebatlassian-confluence.log\u30d5\u30a1\u30a4\u30eb\u306bPowerShell\u306e\u5b9f\u884c\u304c\u793a\u3055\u308c\u3066\u3044\u308b(\u3053\u306e\u56f3\u3067\u306f\u7dd1\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305f\u90e8\u5206)\u3002\" width=\"900\" height=\"177\" \/><figcaption id=\"caption-attachment-123409\" class=\"wp-caption-text\">\u56f34. atlassian-confluence.log\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<h4><b><i>\u30cf\u30f3\u30c8\u7528\u30af\u30a8\u30ea<\/i><\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Cortex Managed Threat Hunting\u30c1\u30fc\u30e0\u306f\u3001\u9867\u5ba2\u30d9\u30fc\u30b9\u5168\u4f53\u306b\u5bfe\u3057\u3001Cortex XDR\u3068XQL\u30af\u30a8\u30ea(\u4e0b\u8a18)\u3092\u4f7f\u3063\u3066<\/span><span style=\"font-weight: 400;\">CVE-2022-26134\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u7d99\u7d9a\u7684\u306b\u8ffd\u8de1\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">\/\/ Description: Detect child processes of Atlassian JIRA\/Confluence server processes \r\n\r\n\r\nconfig case_sensitive = false\r\n| dataset = xdr_data\r\n| filter event_type = PROCESS and event_sub_type = ENUM.PROCESS_START \r\n| filter ((actor_process_image_path contains \"confluence\" or actor_process_image_path contains \"jira\") and (actor_process_image_path contains \"atlassian\" or actor_process_image_path contains \"tomcat\")) or\r\n         (actor_process_command_line contains \"\/\/RS\/\/Confluence\" or actor_process_command_line contains \"\/\/RS\/\/jira\")\r\n| filter actor_process_image_path not contains \"desktop-companion\"\r\n\r\n| filter action_process_image_command_line != \"bash -c ulimit -u\" \/\/ False Positive\r\n\r\n| alter is_suspicious_child_proc = if(action_process_image_name contains \"bash\" or\r\n                                        action_process_image_name contains \"python\" or\r\n                                        action_process_image_name contains \"cmd\" or\r\n                                        action_process_image_name contains \"powershell\" or\r\n                                        action_process_image_name contains \"whoami\" or\r\n                                        action_process_image_name contains \"arp\" or\r\n                                        action_process_image_name contains \"ipconfig\" or\r\n                                        action_process_image_name contains \"taskkill\" or\r\n                                        action_process_image_name contains \"systeminfo\", \"true\", \"false\")\r\n\r\n| alter is_child_of_main_tomcat_process = if(actor_process_command_line contains \"\/\/RS\/\/Confluence\" or actor_process_command_line contains \"\/\/RS\/\/jira\", \"true\", \"false\" )\r\n                                        \r\n| fields event_type, event_sub_type, agent_hostname, actor_effective_username, actor_process_image_name, actor_process_image_path, actor_process_command_line, is_suspicious_child_proc, is_child_of_main_tomcat_process, action_process_image_name, action_process_image_command_line\r\n\r\n\/\/ Description: Detect Atlassian Confluence CVE-2022-26134 command execution in URI\r\n\r\nconfig case_sensitive = false \r\n| dataset = panw_ngfw_url_raw \r\n| filter uri contains \"org.apache.commons.io.IOUtils@toString(@java.lang.Runtime@getRuntime().exec\"\r\n\/\/Filter out connections from rfc 1918\r\n|alter rfc1918_172 = incidr(source_ip , \"172.16.0.0\/12\")\r\n|alter rfc1918_10 =  incidr(source_ip, \"10.0.0.0\/8\")\r\n|alter rfc1918_192 = incidr(source_ip, \"192.168.0.0\/16\")\r\n|filter rfc1918_172 = false AND rfc1918_10 = false AND rfc1918_192 = false\r\n| fields uri, dest_ip , source_ip<\/pre>\n<p><!-- [Format Time: 0.0025 seconds] --><\/p>\n<h2><a id=\"conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p><span style=\"font-weight: 400;\">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u3053\u306e\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb(PA-Series\u3001VM-Series\u3001CN-Series)\u307e\u305f\u306f\u8105\u5a01\u9632\u5fa1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6301\u3064Prisma Access\u306f\u8105\u5a01ID 92632 (Application and Threat content update 8577)\u3067\u3053\u306e\u8106\u5f31\u6027\u306b\u95a2\u9023\u3059\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u81ea\u52d5\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-weight: 400;\">Cortex XDR for Linux\u306f\u88fd\u54c1\u5074\u3067\u3068\u304f\u306b\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u306a\u304f\u3066\u3082CVE-2022-26134\u306b\u3088\u308b\u653b\u6483\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><span style=\"font-weight: 400;\">Cortex XDR\u306f\u3059\u3079\u3066\u306eOS\u306b\u3064\u3044\u3066\u30dd\u30b9\u30c8\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u6d3b\u52d5\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/span><\/li>\n<li aria-level=\"1\">Prisma Cloud\u306e<a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\/web-application-API-security\">Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068API\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a> (WAAS)\u3092\u3054\u5229\u7528\u4e2d\u306e\u304a\u5ba2\u69d8\u306f\u30ab\u30b9\u30bf\u30e0\u30eb\u30fc\u30eb\u300c<span style=\"font-family: arial, sans-serif;\">OGNL Evaluation Injection<\/span><span style=\"font-family: verdana, sans-serif;\">\u00a0<\/span>\u300d\u306b\u3088\u308a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u307b\u304b\u3001Cortex Xpanse\u306b\u306f\u3001\u304a\u5ba2\u69d8\u74b0\u5883\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u306a\u3044\u3057\u304a\u5ba2\u69d8\u7d44\u7e54\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3068\u306a\u308a\u3046\u308bAtlassian Confluence Servers\u3092\u7279\u5b9a\u30fb\u691c\u51fa\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306bCortex Xpanse\u306b\u306f\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u3092\u5206\u985e\u3059\u308b\u6a5f\u80fd\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306f\u4eca\u5f8c\u3082\u66f4\u65b0\u3055\u308c\u3001\u540cCVE\u306b\u5bfe\u3057\u3066\u5b89\u5168\u3067\u306f\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8ffd\u52a0\u3067\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3059\u3067\u306bCortex Xpanse\u3092\u3054\u5229\u7528\u4e2d\u306e\u304a\u5ba2\u69d8\u306f\u3001Expander\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001[Services]\u30bf\u30d6\u3067\u300cAtlassian Confluence Server\u300d\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308c\u3070\u3001\u5217\u6319\u3055\u308c\u305fAtlassian Confluence\u30c7\u30d0\u30a4\u30b9\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306a\u308b\u60c5\u5831\u307e\u305f\u306f\u691c\u51fa\u304c\u884c\u308f\u308c\u305f\u5834\u5408\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u672c\u66f8\u3092\u9069\u5b9c\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"indicators-of-compromise\"><\/a><b>IoC\u00a0<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3067\u898b\u3064\u304b\u3063\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306e\u767a\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<table style=\"width: 86.2698%;\">\n<tbody>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">IoC\u306e\u7a2e\u5225<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400;\">IoC<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">172.104.31.117<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">191.37.248.120<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">84.17.48.94<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">193.106.191.71<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">18.216.140.250<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">18.221.234.103<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">89.187.170.129<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">2.56.11.65<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">87.249.135.167<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">192.99.152.200<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">31.13.191.157<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.9792%;\"><span style=\"font-weight: 400;\">Ipv4<\/span><\/td>\n<td style=\"width: 368.229%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, 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