{"id":126324,"date":"2022-12-23T00:15:54","date_gmt":"2022-12-23T08:15:54","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=126324"},"modified":"2024-07-30T19:40:40","modified_gmt":"2024-07-31T02:40:40","slug":"threat-brief-owassrf","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/threat-brief-owassrf\/","title":{"rendered":"\u8105\u5a01\u306b\u95a2\u3059\u308b\u60c5\u5831: OWASSRF\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8"},"content":{"rendered":"<h2><a id=\"post-126324-_4lt92rr5muov\"><\/a>\u6982\u8981<\/h2>\n<p>2022\u5e7412\u670820\u65e5\u3001Microsoft Exchange Server\u306b\u5bfe\u3059\u308b\u65b0\u305f\u306a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306b\u95a2\u3059\u308b<a href=\"https:\/\/www.crowdstrike.com\/blog\/owassrf-exploit-analysis-and-recommendations\/\" target=\"_blank\" rel=\"noopener\">\u30d6\u30ed\u30b0\u3092CrowdStrike\u304c\u516c\u958b<\/a>\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306fWeb\u7248\u306eOutlook\u306b\u95a2\u9023\u3059\u308b\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea(SSRF)\u3092\u300cOWASSRF\u300d\u3068\u547d\u540d\u3057\u3066\u3044\u307e\u3059(Web\u7248Outlook\u306fOutlook Web Access (OWA)\u306a\u3044\u3057Outlook Web Application\u306e\u540d\u524d\u3067\u77e5\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u7531\u6765)\u3002<\/p>\n<p>OWASSRF\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306b\u306f<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/en-US\/vulnerability\/CVE-2022-41080\" target=\"_blank\" rel=\"noopener\">CVE-2022-41080<\/a>\u3001<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2022-41082\" target=\"_blank\" rel=\"noopener\">CVE-2022-41082<\/a>\u3068\u3057\u3066\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b2\u3064\u306e\u7570\u306a\u308b\u8106\u5f31\u6027\u304c\u304b\u3089\u3093\u3067\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u3092\u4f7f\u3063\u3066Outlook Web Access (OWA) \u7d4c\u7531\u3067\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c (RCE) \u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002CVE-2022-41082\u306e\u8106\u5f31\u6027\u306f\u3001\u4ee5\u524d<a href=\"https:\/\/unit42.paloaltonetworks.jp\/proxynotshell-cve-2022-41040-cve-2022-41082\/\" target=\"_blank\" rel=\"noopener\">ProxyNotShell<\/a>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5229\u7528\u3057\u3066\u3044\u305f\u3082\u306e\u3067\u3059\u3002\u305f\u3060\u3057\u3001OWASSRF\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306fMicrosoft\u304cProxyNotShell\u306b\u5bfe\u3057\u3066\u63d0\u4f9b\u3057\u305f\u7de9\u548c\u7b56\u3092\u56de\u907f\u3057\u307e\u3059\u3002OWASSRF\u306f\u4e8b\u524d\u306bExchange Server\u3078\u306e\u8a8d\u8a3c\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306f\u5927\u898f\u6a21\u3068\u3044\u3046\u3088\u308a\u5b64\u767a\u7684\u306b\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>Unit 42\u306f2022\u5e7411\u6708\u4e0b\u65ec\u304b\u308912\u6708\u4e0a\u65ec\u306b\u304b\u3051\u3066OWASSRF\u8106\u5f31\u6027\u304c\u6d3b\u767a\u306b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3059\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u3055\u3044\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f PowerShell \u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30c9\u30a2 (SilverArrow \u3068\u3057\u3066\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0)\u3092\u4f7f\u3063\u3066\u3001Exchange Server \u4e0a\u3067\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f \u3002\u30a2\u30af\u30bf\u30fc\u304c\u5b9f\u884c\u3057\u305f\u30b3\u30de\u30f3\u30c9\u306f\u6b21\u306e\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210<\/li>\n<li>AnyDesk \u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/li>\n<li>PuTTY Link\u3092\u4f7f\u3063\u3066SSH\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u3001Windows\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30d7\u30ed\u30c8\u30b3\u30eb (RDP) \u306b\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/li>\n<li>LSASS\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u3092\u30c0\u30f3\u30d7\u3057\u3066\u8a8d\u8a3c\u60c5\u5831 (\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb) \u3092\u53ce\u7a6b\u3059\u308b<\/li>\n<\/ul>\n<p>Cortex XDR\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306fOWASSRF\u8106\u5f31\u6027\u306eRCE\u90e8\u5206\u3078\u306e\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002Cortex XDR\u306f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u6642\u306ePowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u5b9f\u884c\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u88fd\u54c1\u30fb\u30b5\u30fc\u30d3\u30b9\u3092\u901a\u3058\u3066\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">\u9ad8\u5ea6\u306a\u8105\u5a01\u9632\u5fa1<\/a>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u3054\u5951\u7d04\u3044\u305f\u3060\u3044\u3066\u3044\u308b<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u307e\u305f\u306f<a href=\"https:\/\/www.paloaltonetworks.jp\/sase\/access\" target=\"_blank\" rel=\"noopener\">Prisma Access<\/a>\u306e\u304a\u5ba2\u69d8\u306f\u300cMicrosoft Exchange Server-Side Request Forgery Vulnerability\u300d(\u8105\u5a01ID 93319)\u30b7\u30b0\u30cd\u30c1\u30e3\u306b\u3088\u308a\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u3053\u306e\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3068\u95a2\u9023\u3059\u308b\u65e2\u77e5\u306eIP\u30a2\u30c9\u30ec\u30b9\u304a\u3088\u3073\u30c9\u30e1\u30a4\u30f3\u306f<a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-1\/pan-os-new-features\/url-filtering-features\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">\u9ad8\u5ea6\u306aURL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/a>\u3068<a href=\"https:\/\/docs.paloaltonetworks.com\/dns-security\" target=\"_blank\" rel=\"noopener\">DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a>\u306b\u3088\u3063\u3066\u300cmalicious (\u60aa\u610f\u3042\u308b\u3082\u306e)\u300d\u3068\u3057\u3066\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>Cortex XSOAR \u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u300c<a href=\"https:\/\/cortex.marketplace.pan.dev\/marketplace\/details\/CVE_2022_41040_and_CVE_2022_41082__ProxyNotShell\/\" target=\"_blank\" rel=\"noopener\">CVE-2022-41040 &amp; CVE-2022-41082 - ProxyNotShell<\/a>\u300d\u304c\u672c\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306e\u7279\u5b9a\u30fb\u5bfe\u5fdc\u7528\u306e\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u30fb\u4fee\u5fa9\u30fb\u7de9\u548c\u30bf\u30b9\u30af\u3092\u8ffd\u52a0\u3057\u3066\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/r\/Cortex-XDR\/Cortex-XDR-Pro-Administrator-Guide\/Endpoint-Protection-Capabilities\" target=\"_blank\" rel=\"noopener\">Anti Webshell Protection\u30e2\u30b8\u30e5\u30fc\u30eb\u3068BTP (\u632f\u308b\u821e\u3044\u8105\u5a01\u4fdd\u8b77) \u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u306b\u3088\u308a\u3001\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5c55\u958b\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u304b\u3089\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u6e08\u307f\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\" target=\"_blank\" rel=\"noopener\">Prisma Cloud<\/a>\u306fCVE-2022-41080\u304a\u3088\u3073CVE-2022-41082\u306b\u5bfe\u3059\u308b\u691c\u51fa\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u4eee\u60f3\u30de\u30b7\u30f3 (VM) \u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u95a2\u6570\u3001\u8106\u5f31\u306a\u30b3\u30f3\u30c6\u30ca\u4e0a\u3067\u60aa\u610f\u306e\u3042\u308b\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3063\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u306b\u5bfe\u3057\u3066\u306f<a href=\"https:\/\/docs.paloaltonetworks.com\/prisma\/prisma-cloud\/prisma-cloud-admin-compute\/runtime_defense\/runtime_defense_containers\" target=\"_blank\" rel=\"noopener\">\u30e9\u30f3\u30bf\u30a4\u30e0\u9632\u5fa1<\/a>\u304c\u9632\u6b62\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/start.paloaltonetworks.jp\/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\u3088\u308b\u500b\u5225\u5bfe\u5fdc\u3082\u3054\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><b>\u672c\u7a3f\u3067\u6271\u3046\u8106\u5f31\u6027<\/b><\/td>\n<td><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cve-2022-41080-ja\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CVE-2022-41080<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cve-2022-41082-ja\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CVE-2022-41082<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-126324-_wven14kmgum2\"><\/a>OWASSRF\u306e\u8a73\u7d30<\/h2>\n<p><a href=\"https:\/\/www.crowdstrike.com\/blog\/owassrf-exploit-analysis-and-recommendations\/\" target=\"_blank\" rel=\"noopener\">CrowdStrike<\/a>\u306f2022\u5e7412\u670820\u65e5\u3001OWASSRF\u3068\u540d\u4ed8\u3051\u3089\u308c\u305fMicrosoft Exchange Server\u306b\u5bfe\u3059\u308b\u65b0\u305f\u306a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306b\u95a2\u3059\u308b<a href=\"https:\/\/www.crowdstrike.com\/blog\/owassrf-exploit-analysis-and-recommendations\/\" target=\"_blank\" rel=\"noopener\">\u30d6\u30ed\u30b0\u3092\u516c\u958b<\/a>\u3057\u307e\u3057\u305f\u3002\u5f53\u8a72\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306b\u306f<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/en-US\/vulnerability\/CVE-2022-41080\" target=\"_blank\" rel=\"noopener\">CVE-2022-41080<\/a>\u3001<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2022-41082\" target=\"_blank\" rel=\"noopener\">CVE-2022-41082<\/a>\u3068\u3057\u3066\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b2\u3064\u306e\u7570\u306a\u308b\u8106\u5f31\u6027\u304c\u304b\u3089\u3093\u3067\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u3092\u4f7f\u3063\u3066Outlook Web Access (OWA) \u7d4c\u7531\u3067\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c (RCE) \u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002CVE-2022-41082\u306e\u8106\u5f31\u6027\u306f\u3001\u4ee5\u524d<a href=\"https:\/\/unit42.paloaltonetworks.jp\/proxynotshell-cve-2022-41040-cve-2022-41082\/\" target=\"_blank\" rel=\"noopener\">ProxyNotShell <\/a>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3088\u3063\u3066\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001OWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306f\u3001Microsoft\u304c\u4ee5\u524dProxyNotShell\u306b\u5bfe\u3057\u3066\u63d0\u4f9b\u3057\u305f\u7de9\u548c\u7b56\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/p>\n<p>ProxyNotShell\u3001OWASSRF\u306f\u3044\u305a\u308c\u3082\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea (SSRF) \u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u305f\u3060\u3057ProxyNotShell\u306e\u624b\u6cd5\u3067\u306fAutoDiscover\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u3063\u3066<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2022-41040\" target=\"_blank\" rel=\"noopener\">CVE-2022-41040<\/a>\u3092\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3057\u3001OWASSRF\u306e\u624b\u6cd5\u3067\u306fOWA\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u3063\u3066CVE-2022-41080\u3092\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3057\u307e\u3059\u3002ProxyNotShell\u540c\u69d8\u3001\u4eca\u56de\u767a\u898b\u3055\u308c\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u3067\u3082\u3001\u30a2\u30af\u30bf\u30fc\u306b\u306f\u30b5\u30fc\u30d0\u30fc\u306b\u5bfe\u3059\u308b\u4e8b\u524d\u306e\u8a8d\u8a3c\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>2022\u5e7412\u670814\u65e5\u306e<a href=\"https:\/\/twitter.com\/Purp1eW0lf\/status\/1602992091872763905\" target=\"_blank\" rel=\"noopener\">@Purp1eW0lf \u6c0f<\/a>\u306e\u30c4\u30a4\u30fc\u30c8\u306b\u3088\u308b\u3068\u3001OWASSRF\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u3044\u308b\u30a2\u30af\u30bf\u30fc\u306f\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u3092\u542b\u3080Python\u30b9\u30af\u30ea\u30d7\u30c8\u306a\u3069\u8907\u6570\u306e\u30c4\u30fc\u30eb\u306e\u5165\u3063\u305f\u516c\u958b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092Web\u30b5\u30fc\u30d0\u30fc\u4e0a\u306b\u6b8b\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3053\u306e\u516c\u958b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Readme<\/span>\u30d5\u30a1\u30a4\u30eb\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002Readme (\u56f31\u53c2\u7167) \u306b\u306fProxyNotShell\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f7f\u3044\u304b\u305f\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u3066\u3001\u3053\u308c\u304c\u3068\u304f\u306bProxyNotShell\u306e\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u30db\u30c3\u30c8\u30d5\u30a3\u30c3\u30af\u30b9\u56de\u907f\u7528\u306b\u958b\u767a\u3055\u308c\u305f\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126292\" aria-describedby=\"caption-attachment-126292\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126292 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-1.png\" alt=\"\u753b\u50cf1\u306f\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u516c\u958b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e0a\u306b\u6b8b\u3057\u305freadme.txt\u3092\u793a\u3059\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002OWASSRF\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u306e\u4f7f\u3044\u304b\u305f\u304c\u3055\u308c\u3066\u3044\u308b\u3002 \" width=\"900\" height=\"430\" \/><figcaption id=\"caption-attachment-126292\" class=\"wp-caption-text\">\u56f31. OWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u306e\u4f7f\u3044\u304b\u305f\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u308b<span style=\"font-family: 'courier new', courier, monospace;\">readme.txt<\/span> (\u30a2\u30af\u30bf\u30fc\u306e\u516c\u958b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u3082\u306e)<\/figcaption><\/figure>\n<p>\u516c\u958b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3042\u308b\u3053\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u307f\u308b\u3068\u540c\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u4f5c\u7528\u6a5f\u5e8f\u304c\u3088\u304f\u308f\u304b\u308a\u307e\u3059\u3002Exchange Server\u306e\u8a8d\u8a3c\u306b\u6210\u529f\u5f8c\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">\/owa\/mastermailbox%40outlook.com\/powershell<\/span>\u306bPOST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u767a\u884c\u3057\u307e\u3059(\u56f32)\u3002\u3053\u308c\u306fCrowdStrike\u306eOWASSRF\u306b\u95a2\u3059\u308b\u30d6\u30ed\u30b0\u3067\u8a00\u53ca\u3055\u308c\u3066\u3044\u308bURL\u306e\u69cb\u9020\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n<p>POST\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">owa\/mastermailbox@outlook[.]com<\/span>\u3068\u3044\u3046\u5024\u3092\u6301\u3064<span style=\"font-family: 'courier new', courier, monospace;\">X-OWA-ExplicitLogonUser<\/span>\u30d8\u30c3\u30c0\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d8\u30c3\u30c0\u306e\u5024\u306f\u51e6\u7406\u4e2d\u306bURL\u304b\u3089\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u3053\u306eURL\u5909\u66f4\u304cCVE-2022-41080\u3067\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\u306e\u539f\u56e0\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f HTTPS \u4e0a\u3067\u767a\u751f\u3059\u308b\u306e\u3067 POST \u30ea\u30af\u30a8\u30b9\u30c8\u306f\u6697\u53f7\u5316\u3055\u308c\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u5185\u306b\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u307e\u305f\u3053\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u5fc5\u305a\u3057\u3082<span style=\"font-family: 'courier new', courier, monospace;\">mastermailbox@outlook[.]com<\/span>\u3067\u3042\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u3069\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3082\u3088\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126294\" aria-describedby=\"caption-attachment-126294\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126294 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-2.png\" alt=\"\u753b\u50cf2\u306fOWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6700\u521d\u306ePOST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u793a\u3059\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002 \" width=\"900\" height=\"308\" \/><figcaption id=\"caption-attachment-126294\" class=\"wp-caption-text\">\u56f32. OWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c8\u304b\u3089Exchange Server\u3078\u306e\u6700\u521d\u306ePOST\u30ea\u30af\u30a8\u30b9\u30c8<\/figcaption><\/figure>\n<p>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u306fBase64\u30a8\u30f3\u30b3\u30fc\u30c9\u6587\u5b57\u5217\u306e\u5f62\u5f0f\u3067\u6e21\u3055\u308c\u305fPowerShell\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u306fXML\u5185\u306e<span style=\"font-family: 'courier new', courier, monospace;\">$$POWERSHELL_ENCODE_PAYLOAD_HERE$$<\/span> (\u56f33) \u3092Base64\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u305fPowerShell\u3067\u7f6e\u304d\u63db\u3048\u3001\u3053\u306eXML\u3092Exchange Server\u306b\u9001\u4fe1\u3057\u3066\u5b9f\u884c\u3055\u305b\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126296\" aria-describedby=\"caption-attachment-126296\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126296 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-3.png\" alt=\"\u753b\u50cf3\u306fMicrosoft Exchange Server\u306b\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30c7\u30fc\u30bf\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u305fPowerShell\u3092\u5b9f\u884c\u3059\u308b\u3002\u5f15\u6570\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3057\u3066\u3044\u308b \" width=\"900\" height=\"609\" \/><figcaption id=\"caption-attachment-126296\" class=\"wp-caption-text\">\u56f33. OWASSRF\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u3001\u6697\u53f7\u5316\u3057\u305fPowerShell\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306bExchange Server\u306b\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<h2><a id=\"post-126324-_50343o6a6han\"><\/a>\u73fe\u5728\u306e\u653b\u6483\u30b9\u30b3\u30fc\u30d7<\/h2>\n<p>\u672c\u7a3f\u57f7\u7b46\u6642\u70b9\u3067Unit 42\u306f8\u3064\u306e\u7d44\u7e54\u3067\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3053\u3068\u3092\u628a\u63e1\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u305f\u3061\u304c12\u67082\u65e5\u300112\u67083\u65e5\u306b\u89b3\u6e2c\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3067\u306f\u3001\u30a2\u30af\u30bf\u30fc\u304cBase64\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305fPowerShell\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f(\u56f34)\u3002\u30c7\u30b3\u30fc\u30c9\u3055\u308c\u305fPowerShell\u30b3\u30fc\u30c9\u306f\u3001\u79c1\u305f\u3061\u304cSilverArrow\u3068\u3057\u3066\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3057\u3066\u3044\u308b\u30d0\u30c3\u30af\u30c9\u30a2\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_126298\" aria-describedby=\"caption-attachment-126298\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126298 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-4.png\" alt=\"\u753b\u50cf4\u306f\u6697\u53f7\u5316\u3055\u308c\u305fPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u305f\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002OWASSRF\u306b\u3088\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u653b\u6483\u3067\u78ba\u8a8d\u3055\u308c\u305f\u3082\u306e\u3002 \" width=\"900\" height=\"257\" \/><figcaption id=\"caption-attachment-126298\" class=\"wp-caption-text\">\u56f34. \u6697\u53f7\u5316\u3055\u308c\u305fPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30b5\u30f3\u30d7\u30eb\u30022022\u5e7412\u6708\u4e0a\u65ec\u306eOWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3067\u89b3\u6e2c\u3055\u308c\u305f\u3082\u306e<\/figcaption><\/figure>\n<p>SilverArrow\u306e\u30d0\u30c3\u30af\u30c9\u30a2 (\u56f35\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u305f\u3082\u306e) \u306e\u5b9f\u614b\u306f\u30ea\u30e2\u30fc\u30c8\u30b7\u30a7\u30eb\u3067\u3059\u3002SilverArrow\u306f\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc<span style=\"font-family: 'courier new', courier, monospace;\"> (<\/span>\u3053\u306e\u7279\u5b9a\u306e\u4e8b\u4f8b\u3067\u306f<span style=\"font-family: 'courier new', courier, monospace;\">0xd8809226<\/span>\u306a\u3044\u3057<span style=\"font-family: 'courier new', courier, monospace;\">216.128.146[.]38<\/span>) \u306b\u63a5\u7d9a\u3057\u3001\u30eb\u30fc\u30d7\u306b\u5165\u3063\u3066\u8ffd\u52a0\u306ePowerShell\u30b3\u30de\u30f3\u30c9\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092\u5b9f\u884c\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u7d50\u679c\u3092\u5fdc\u7b54\u3057\u307e\u3059\u3002\u3053\u306e\u7279\u5b9a\u30ea\u30e2\u30fc\u30c8\u30b7\u30a7\u30eb\u306f <span style=\"font-family: 'courier new', courier, monospace;\">SL&gt;<\/span> \u3068\u3044\u3046\u30b7\u30a7\u30eb\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u30a2\u30af\u30bf\u30fc\u306b\u63d0\u4f9b\u3057\u307e\u3059 (\u3053\u308c\u304c SilverArrow \u3068\u3044\u3046\u540d\u524d\u306e\u3082\u3068\u306b\u306a\u308a\u307e\u3057\u305f)\u3002<\/p>\n<figure id=\"attachment_126300\" aria-describedby=\"caption-attachment-126300\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126300 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-5.png\" alt=\"\u753b\u50cf5\u306fOWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u304c\u914d\u4fe1\u3057\u305fPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u305f\u591a\u6570\u306e\u30b3\u30fc\u30c9\u884c\u3092\u793a\u3059\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002 \" width=\"900\" height=\"714\" \/><figcaption id=\"caption-attachment-126300\" class=\"wp-caption-text\">\u56f35. \u30c7\u30b3\u30fc\u30c9\u3055\u308c\u305fPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u30022022\u5e7412\u6708\u4e0a\u65ec\u306eOWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3067\u914d\u4fe1\u3055\u308c\u305f\u3082\u306e<\/figcaption><\/figure>\n<p>Unit 42\u304c\u89b3\u6e2c\u3057\u305fOWASSRF\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306f\u3059\u3079\u3066\u540c\u3058PowerShell\u30d0\u30c3\u30af\u30c9\u30a2\u306b\u5e30\u7d50\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u30d0\u30c3\u30af\u30c9\u30a2\u306e\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb (C2) \u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u4ee5\u4e0b\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u5229\u7528\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">216.128.146[.]38<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">95.179.162[.]125<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">192.248.176[.]138<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">140.82.52[.]35<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">45.32.144[.]71<\/span><\/li>\n<\/ul>\n<p>Cortex XDR\u3092\u304a\u4f7f\u3044\u306e\u304a\u5ba2\u69d8\u306e\u4e00\u90e8\u306f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u7d4c\u9a13\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001PowerShell\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u963b\u6b62\u3055\u308c\u3066\u3044\u307e\u3057\u305f (\u56f36\u53c2\u7167) \u3002PowerShell\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u304c\u963b\u6b62\u3055\u308c\u305f\u3053\u3068\u3067\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b\u4fb5\u5bb3\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u963b\u6b62\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_126302\" aria-describedby=\"caption-attachment-126302\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126302 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-6.png\" alt=\"\u753b\u50cf6\u306fCortex XDR\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001PowerShell\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u963b\u6b62\u3057\u305f\u3088\u3046\u3059\u3002\u30a2\u30e9\u30fc\u30c8\u8a73\u7d30\u3068\u3069\u306e\u3088\u3046\u306a\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u305f\u304b\u3092\u8aac\u660e\u3057\u3066\u3044\u308b\u3002 \" width=\"900\" height=\"607\" \/><figcaption id=\"caption-attachment-126302\" class=\"wp-caption-text\">\u56f36. OWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u5f8c\u306ePowerShell\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092Cortex XDR\u304c\u963b\u6b62\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u3042\u308b Exchange Server \u306f Cortex XDR \u3092\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30e2\u30fc\u30c9\u3067\u904b\u7528\u3057\u3066\u304a\u3089\u305a\u30012022\u5e7411\u670828\u65e5\u306bOWASSRF\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u6210\u529f\u3057\u3001PowerShell\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u7d50\u679c\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306b\u3053\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306fPowerShell\u3092\u4f7f\u3063\u3066\u3044\u304f\u3064\u304b\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f<span style=\"font-family: 'courier new', courier, monospace;\">whoami<\/span>\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Admon<\/span>\u3068\u3044\u3046\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3057\u3001\u3053\u306e<span style=\"font-family: 'courier new', courier, monospace;\">Admon<\/span>\u30e6\u30fc\u30b6\u30fc\u3092\u30ed\u30fc\u30ab\u30eb\u7ba1\u7406\u8005\u30b0\u30eb\u30fc\u30d7\u3068\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30e6\u30fc\u30b6\u30fc\u30b0\u30eb\u30fc\u30d7\u306b\u8ffd\u52a0\u3057\u307e\u3057\u305f (\u56f37)\u3002<\/p>\n<p>\u307e\u305f\u3001PuTTY Link (<span style=\"font-family: 'courier new', courier, monospace;\">pta.exe<\/span>) \u3068 AnyDesk \u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u5f8c\u8005\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3067\u3001Windows \u306e\u8d77\u52d5\u3068\u3068\u3082\u306b\u8d77\u52d5\u3055\u305b\u3001\u518d\u8d77\u52d5\u5f8c\u306e\u6c38\u7d9a\u6027\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30a2\u30af\u30bf\u30fc\u306f PuTTY Link \u3092\u4f7f\u3063\u3066<span style=\"font-family: 'courier new', courier, monospace;\">217.69.10[.]255<\/span>\u3078\u306e SSH \u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30ed\u30fc\u30ab\u30eb\u30b5\u30fc\u30d0\u30fc\u306e RDP \u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u3053\u304b\u3089\u306f\u3001\u4fb5\u5bb3\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u3068\u3084\u308a\u3068\u308a\u3059\u308b\u305f\u3081\u306b\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30c4\u30fc\u30eb\u3092\u4f7f\u304a\u3046\u3068\u3059\u308b\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u610f\u56f3\u304c\u3046\u304b\u304c\u3048\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u307e\u305f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304cIP\u30a2\u30c9\u30ec\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">45.76.246[.]112<\/span>\u306bSSH\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3044\u305f\u3088\u3046\u3059\u3082\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126304\" aria-describedby=\"caption-attachment-126304\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126304 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-7.png\" alt=\"\u753b\u50cf7\u306fCortex XDR\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002\u30c4\u30ea\u30fc\u56f3\u306b\u306f\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308bPowerShell\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3064\u3065\u304f\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u3088\u3046\u3059\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3002\" width=\"900\" height=\"603\" \/><figcaption id=\"caption-attachment-126304\" class=\"wp-caption-text\">\u56f37 \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u3088\u3046\u3059\u3002PowerShell\u306b\u3088\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/figcaption><\/figure>\n<p>\u56f37\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u76f4\u5f8c\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u65b0\u305f\u306b\u4f5c\u6210\u3057\u305f<span style=\"font-family: 'courier new', courier, monospace;\">Admon<\/span>\u30e6\u30fc\u30b6\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30af\u30bb\u30b9\u3092\u4f7f\u3063\u3066LSASS\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u3092\u30c0\u30f3\u30d7\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u3055\u3044\u306fWindows\u6b63\u898f\u306e\u30bf\u30b9\u30af\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f(\u56f38)\u3002\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3057\u305f\u3088\u3046\u3059\u306f\u78ba\u8a8d\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u3053\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306fLSASS\u306e\u30e1\u30e2\u30ea\u3092\u30c0\u30f3\u30d7\u3057\u305f\u5f8c\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30ed\u30fc\u30ab\u30eb\u306b\u3067\u306f\u306a\u304f\u3001\u6f0f\u51fa\u5f8c\u306b\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8a8d\u8a3c\u60c5\u5831\u3092\u62bd\u51fa\u3057\u305f\u3082\u306e\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126306\" aria-describedby=\"caption-attachment-126306\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126306 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-126291-8.png\" alt=\"\u753b\u50cf8\u306f\u3001Cortex XDR\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3002\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u30bf\u30b9\u30af\u30de\u30cd\u30fc\u30b8\u30e3\u3092\u4f7f\u3063\u3066\u8a8d\u8a3c\u60c5\u5831\u53ce\u96c6\u306e\u305f\u3081\u306bLSASS\u30e1\u30e2\u30ea\u3092\u30c0\u30f3\u30d7\u3057\u305f\u3068\u3044\u3046\u30a2\u30e9\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3002 \" width=\"900\" height=\"330\" \/><figcaption id=\"caption-attachment-126306\" class=\"wp-caption-text\">\u56f38. \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u30bf\u30b9\u30af\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3067LSASS\u306e\u30e1\u30e2\u30ea\u3092\u30c0\u30f3\u30d7\u3057\u3066\u8a8d\u8a3c\u60c5\u5831\u3092\u53ce\u96c6\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\n<h2><a id=\"post-126324-_zg1rezlvhwuy\"><\/a>\u4e2d\u9593\u30ac\u30a4\u30c0\u30f3\u30b9<\/h2>\n<p>Unit 42\u306f\u304a\u5ba2\u69d8\u306b2022\u5e7411\u67088\u65e5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092Exchange Server\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u5f0a\u793e\u306eCortex XDR\u306f<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/r\/Cortex-XDR\/Cortex-XDR-Pro-Administrator-Guide\/Endpoint-Protection-Capabilities\" target=\"_blank\" rel=\"noopener\">Anti Webshell Protection\u30e2\u30b8\u30e5\u30fc\u30eb\u3068BTP (\u632f\u308b\u821e\u3044\u8105\u5a01\u4fdd\u8b77) \u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u306b\u3088\u308a\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5c55\u958b\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u304b\u3089\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u6e08\u307f\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-126324-_vy6q0csqip1k\"><\/a>Unit 42 \u30de\u30cd\u30fc\u30b8\u30c9 \u30b9\u30ec\u30c3\u30c8 \u30cf\u30f3\u30c6\u30a3\u30f3\u30b0 \u30c1\u30fc\u30e0\u306b\u3088\u308b\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\u3001\u9867\u5ba2\u30d9\u30fc\u30b9\u5168\u4f53\u306b\u5bfe\u3057\u3001Cortex XDR\u3068XQL\u30af\u30a8\u30ea(\u4e0b\u8a18)\u3092\u4f7f\u3063\u3066\u3053\u308c\u3089CVE\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u7d99\u7d9a\u7684\u306b\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002Cortex XDR\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u3082\u4ee5\u4e0b\u306eXQL\u30af\u30a8\u30ea\u3067\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u75d5\u8de1\u3092\u691c\u7d22\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true \">\/\/ Processes spawned by exploiting this vulnerability will have a parent process of w3wp.exe in the \"MSExchangePowerShellAppPool\" application pool. Review the results of this query for suspicious child processes. \r\n\r\n\r\nconfig case_sensitive = false\r\n| dataset = xdr_data\r\n| filter event_type = ENUM.PROCESS AND event_sub_type = ENUM.PROCESS_START \r\n| filter actor_process_image_name = \"w3wp.exe\" and actor_process_command_line contains \"MSExchangePowerShellAppPool\"\r\n| filter action_process_image_name not in (\"wermgr.exe\",\"wmiapsrv.exe\",\"dllhost.exe\")\r\n| fields _time, agent_id, agent_version, action_process_image_path,action_process_image_command_line,action_process_image_sha256, actor_process_command_line\r\n<\/pre>\n<p><!-- [Format Time: 0.0007 seconds] --><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">\/\/ Description: In activity we observed in the wild, a w3wp.exe process belonging to the \"MSExchangePowerShellAppPool\" application pool spawned PowerShell one-liners with \"frombase64string\" in the command line.\r\n\r\n\r\nconfig case_sensitive = false\r\n| dataset = xdr_data \r\n| filter event_type = ENUM.PROCESS AND event_sub_type = ENUM.PROCESS_START \r\n| filter  action_process_image_name = \"powershell.exe\" and action_process_image_command_line contains \"frombase64string\"\r\n| filter  (actor_process_image_name = \"w3wp.exe\" and actor_process_command_line contains \"MSExchangePowerShellAppPool\") or (causality_actor_process_image_name = \"w3wp.exe\" and causality_actor_process_command_line contains \"MSExchangePowerShellAppPool\")\r\n| fields action_process_image_path, action_process_image_command_line , actor_process_command_line , causality_actor_process_command_line, agent_hostname\r\n<\/pre>\n<p><!-- [Format Time: 0.0008 seconds] --><\/p>\n<h2><a id=\"post-126324-_6kajjrwpgjuu\"><\/a>\u7d50\u8ad6<\/h2>\n<p>Unit 42\u306f<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/en-US\/vulnerability\/CVE-2022-41080\" target=\"_blank\" rel=\"noopener\">CVE-2022-41080<\/a>\u3068<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2022-41082\" target=\"_blank\" rel=\"noopener\">CVE-2022-41082<\/a>\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3088\u308bOWASSRF\u30e1\u30bd\u30c3\u30c9\u304c\u6d3b\u767a\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3059\u3092\u91ce\u751f(in the wild)\u3067\u89b3\u6e2c\u3057\u3066\u3044\u307e\u3059\u3002OWASSRF\u306fExchange Server\u306b\u5bfe\u3059\u308b\u8a8d\u8a3c\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u5927\u898f\u6a21\u306a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306f\u89b3\u6e2c\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002OWASSRF\u3092\u4f7f\u3063\u305fExchange Server\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306e\u767a\u751f\u306f\u5b64\u767a\u7684\u3067\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u305d\u308c\u307e\u3067\u306b\u306a\u3093\u3089\u304b\u306e\u624b\u6bb5\u3067\u7a83\u53d6\u3057\u305f\u8a8d\u8a3c\u60c5\u5831\u3092\u4f7f\u3063\u3066\u3044\u308b\u3082\u306e\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306b\u304a\u3044\u3066\u306f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304cPowerShell\u3067\u8ffd\u52a0\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001Exchange Server\u3078\u306e\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30af\u30bb\u30b9\u3092\u5f97\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3067\u306f\u3001\u65b0\u898f\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210\u3001PuTTY Link\u3067SSH\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u3066\u306eWindows\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3001AnyDesk\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306a\u3069\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u540c\u30a2\u30af\u30bf\u30fc\u306f\u3053\u308c\u3089\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30c4\u30fc\u30eb\u3067\u8a8d\u8a3c\u60c5\u5831\u3092\u53ce\u96c6\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u5fa9\u65e7\u51e6\u7406\u304c\u65e9\u304b\u3063\u305f\u3053\u3068\u304b\u3089\u30a2\u30af\u30bf\u30fc\u306e\u76ee\u7684\u306f\u4e0d\u660e\u3067\u3059\u3002<\/p>\n<p>OWASSRF\u624b\u6cd5\u306b\u5bfe\u3059\u308b\u6982\u5ff5\u5b9f\u8a3c\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001Exchange Server\u306b\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306e2022\u5e7411\u67088\u65e5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9069\u7528\u3057\u3001\u672c\u8106\u5f31\u6027\u3092\u7de9\u548c\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u3068Unit 42\u306f\u3001\u65b0\u305f\u306a\u60c5\u5831\u3001PoC(\u6982\u5ff5\u5b9f\u8a3c)\u30b3\u30fc\u30c9\u306e\u516c\u958b\u3001\u3055\u3089\u306a\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8513\u5ef6\u306e\u75d5\u8de1\u306b\u3064\u3044\u3066\u5f15\u304d\u7d9a\u304d\u72b6\u6cc1\u3092\u76e3\u8996\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126324-_dps6nr9fkz3\"><\/a>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u306b\u3088\u308bOWASSRF\u306e\u4fdd\u8b77<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u88fd\u54c1\/\u30b5\u30fc\u30d3\u30b9\u306e\u4fdd\u8b77\u30fb\u66f4\u65b0\u3092\u901a\u3058\u3001\u540c\u8105\u5a01\u306e\u7279\u5b9a\u3068\u9632\u5fa1\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">infojapan@paloaltonetworks.com<\/a> \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u306e\u96fb\u8a71\u756a\u53f7\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044(\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<ul>\n<li>\u5317\u7c73\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb: 866.486.4842 (866.4.UNIT42)<\/li>\n<li>\u6b27\u5dde: +31.20.299.3130<\/li>\n<li>\u30a2\u30b8\u30a2\u592a\u5e73\u6d0b: +65.6983.8730<\/li>\n<li>\u65e5\u672c: +81.50.1790.0200<\/li>\n<\/ul>\n<h3><a id=\"post-126324-_jlr298x3ynzm\"><\/a>\u9ad8\u5ea6\u306a\u8105\u5a01\u9632\u5fa1\u3092\u6709\u52b9\u306b\u3057\u305f\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068Prisma Access<\/h3>\n<p><a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a> (PA-Series\u3001VM-Series\u3001CN-Series)\u307e\u305f\u306f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">\u9ad8\u5ea6\u306a\u8105\u5a01\u9632\u5fa1<\/a>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u5316\u3057\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/sase\/access\" target=\"_blank\" rel=\"noopener\">Prisma Access<\/a>\u306f\u3001\u8105\u5a01ID 93319 (Application and Threat content update 8658)\u3067CVE-2022-41080\u306b\u95a2\u9023\u3059\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u81ea\u52d5\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126324-_6tj50ebqiikc\"><\/a>\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9<\/h3>\n<p>\u3053\u306e\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3068\u95a2\u9023\u3059\u308b\u65e2\u77e5\u306eIP\u30a2\u30c9\u30ec\u30b9\u304a\u3088\u3073\u30c9\u30e1\u30a4\u30f3\u306f<a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-1\/pan-os-new-features\/url-filtering-features\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">\u9ad8\u5ea6\u306aURL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/a>\u3068<a href=\"https:\/\/docs.paloaltonetworks.com\/dns-security\" target=\"_blank\" rel=\"noopener\">DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a>\u306b\u3088\u3063\u3066\u300cmalicious (\u60aa\u610f\u3042\u308b\u3082\u306e)\u300d\u3068\u3057\u3066\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126324-_xd3ptpj9t2jf\"><\/a>Cortex XSOAR<\/h3>\n<p>Cortex XSOAR \u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u300c<a href=\"https:\/\/cortex.marketplace.pan.dev\/marketplace\/details\/CVE_2022_41040_and_CVE_2022_41082__ProxyNotShell\/\" target=\"_blank\" rel=\"noopener\">CVE-2022-41040 &amp; CVE-2022-41082 - ProxyNotShell<\/a>\u300d\u304c\u672c\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306e\u7279\u5b9a\u30fb\u5bfe\u5fdc\u7528\u306e\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u30fb\u4fee\u5fa9\u30fb\u7de9\u548c\u30bf\u30b9\u30af\u3092\u8ffd\u52a0\u3057\u3066\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306f\u8106\u5f31\u6027\u3084\u8105\u5a01\u306e\u50be\u5411\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306e\u3055\u307e\u3056\u307e\u306a\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u3092\u542b\u3080\u300cRapid Response Pack\u300d\u306b\u542b\u307e\u308c\u3001Cortex Marketplace\u3067\u8ca9\u58f2\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126324-_83369powom4n\"><\/a>Cortex XDR<\/h3>\n<p><a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/r\/Cortex-XDR\/Cortex-XDR-Pro-Administrator-Guide\/Endpoint-Protection-Capabilities\" target=\"_blank\" rel=\"noopener\">Anti Webshell Protection\u30e2\u30b8\u30e5\u30fc\u30eb\u3068BTP (\u632f\u308b\u821e\u3044\u8105\u5a01\u4fdd\u8b77) \u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u306b\u3088\u308a\u3001\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5c55\u958b\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u304b\u3089\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u6e08\u307f\u3067\u3059\u3002<\/p>\n<p>\u30d0\u30fc\u30b8\u30e7\u30f37.8\u307e\u305f\u306f\u305d\u308c\u4ee5\u964d(\u30b3\u30f3\u30c6\u30f3\u30c4\u30d0\u30fc\u30b8\u30e7\u30f3810-32342\u307e\u305f\u306f\u305d\u308c\u4ee5\u964d)\u3067\u52d5\u4f5c\u3059\u308b<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u5f0a\u793e\u304c\u78ba\u8a8d\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8 \u30c1\u30a7\u30fc\u30f3\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u4e0a\u3067\u3001Exploit Protection\u3001BTP (Behavioral Threat Protection)\u3001Anti Webshell Protection\u306e\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30e2\u30fc\u30c9\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><a id=\"post-126324-_m5cvrg1ww3e6\"><\/a>Prisma Cloud<\/h3>\n<p><a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\">Prisma Cloud<\/a>\u306fCVE-2022-41080\u304a\u3088\u3073CVE-2022-41082\u306b\u5bfe\u3059\u308b\u691c\u51fa\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u4eee\u60f3\u30de\u30b7\u30f3 (VM) \u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u95a2\u6570\u3001\u8106\u5f31\u306a\u30b3\u30f3\u30c6\u30ca\u4e0a\u3067\u60aa\u610f\u306e\u3042\u308b\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3063\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u306b\u5bfe\u3057\u3066\u306f<a href=\"https:\/\/docs.paloaltonetworks.com\/prisma\/prisma-cloud\/prisma-cloud-admin-compute\/runtime_defense\/runtime_defense_containers\" target=\"_blank\" rel=\"noopener\">\u30e9\u30f3\u30bf\u30a4\u30e0\u9632\u5fa1<\/a>\u304c\u9632\u6b62\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30c8\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u30b3\u30f3\u30c6\u30ca\u30db\u30b9\u30c8\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u95a2\u6570\u3001VM\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u6700\u65b0\u306e<a href=\"https:\/\/docs.paloaltonetworks.com\/prisma\/prisma-cloud\/prisma-cloud-admin-compute\/technology_overviews\/intel_stream\" target=\"_blank\" rel=\"noopener\">Prisma Cloud Intelligence Stream (IS)<\/a> \u30aa\u30d5\u30a1\u30ea\u30f3\u30b0\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u4fdd\u8b77\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u8a2d\u5b9a\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2><a id=\"post-126324-_ydqdbjg0dngh\"><\/a>IoC<\/h2>\n<h3><a id=\"post-126324-_hqqyl8xeib0n\"><\/a>\u30a4\u30f3\u30d5\u30e9<\/h3>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">140.82.52[.]35<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">217.69.10[.]255<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">45.76.246[.]112<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">216.128.146[.]38<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">95.179.162[.]125<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">192.248.176[.]138<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">140.82.52[.]35<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">45.32.144[.]71<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 2022\u5e7412\u670820\u65e5\u3001Microsoft Exchange Server\u306b\u5bfe\u3059\u308b\u65b0\u305f\u306a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u624b\u6cd5\u306b\u95a2\u3059\u308b\u30d6\u30ed\u30b0\u3092CrowdStrike\u304c\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306fWeb\u7248\u306eOutlook\u306b\u95a2\u9023\u3059\u308b\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u30b5<\/p>\n","protected":false},"author":22,"featured_media":134416,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4432,4470],"tags":[4501,5297,5299,5085,5037,5089,5301],"product_categories":[4441,4442,4443,4446,4448,4451,4456,4457,4458,4465],"coauthors":[935,3808],"class_list":["post-126324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-cyberthreats-ja","category-vulnerabilities-ja","tag-backdoor-ja","tag-cve-2022-41080-ja","tag-cve-2022-41082-ja","tag-microsoft-exchange-server-ja","tag-owassrf-ja","tag-proxynotshell-ja","tag-silverarrow-ja","product_categories-advanced-dns-security-ja","product_categories-advanced-threat-prevention-ja","product_categories-advanced-url-filtering-ja","product_categories-cloud-delivered-security-services-ja","product_categories-cortex-xdr-ja","product_categories-cortex-xsoar-ja","product_categories-next-generation-firewall-ja","product_categories-prisma-access-ja","product_categories-prisma-cloud-ja","product_categories-unit-42-incident-response-ja"],"yoast_head":"<!-- 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