{"id":125590,"date":"2022-11-01T18:46:21","date_gmt":"2022-11-02T01:46:21","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=125590"},"modified":"2024-07-30T19:50:12","modified_gmt":"2024-07-31T02:50:12","slug":"banking-trojan-techniques","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/banking-trojan-techniques\/","title":{"rendered":"\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u6280\u8853: 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href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u3068<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u306b\u3088\u308a\u3053\u308c\u3089\u306e\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table style=\"width: 81.2517%;\">\n<tbody>\n<tr>\n<td style=\"width: 41.4676%;\"><span style=\"font-weight: 400;\">\u672c\u7a3f\u3067\u53d6\u308a\u4e0a\u3052\u305f\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u30d5\u30a1\u30df\u30ea<\/span><\/td>\n<td style=\"width: 152.56%;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/zeus-ja\/\">Zeus<\/a>\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/kronos-ja\/\">Kronos<\/a>\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/trickbot-ja\/\">Trickbot<\/a>\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/icedid-ja\/\">IcedID<\/a>\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/emotet-ja\/\">Emotet<\/a>\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/dridex-ja\/\">Dridx<\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-125590-_ffm4zrswj5ol\"><\/a>Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3(Webinjects)\u3068\u306f<\/h2>\n<p>Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3(Webinjects)\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u63cf\u753b\u524d\u306bHTML\u3084JavaScript\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8(\u6ce8\u5165)\u3067\u304d\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u9a19\u3059\u306e\u306b\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3001\u8a8d\u8a3c\u60c5\u5831\u306e\u7a83\u53d6\u3001Web\u30da\u30fc\u30b8\u306e\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\u306a\u3069\u306b\u304a\u3044\u3066\u3001\u3053\u306e\u6280\u8853\u306e\u60aa\u7528\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u30d5\u30a1\u30df\u30ea\u306b\u306f\u5c11\u306a\u304f\u3068\u30821\u3064Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u3001\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u521d\u671f\u30b9\u30c6\u30fc\u30b8\u30e3\u30fc\u306f\u3001\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u4e3b\u4f53\u3068\u306a\u308b\u30dc\u30c3\u30c8\u3092Windows\u30d7\u30ed\u30bb\u30b9\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3053\u306eWindows\u30d7\u30ed\u30bb\u30b9\u304c\u3001\u5bfe\u8c61\u30de\u30b7\u30f3\u4e0a\u3067\u5229\u7528\u53ef\u80fd\u306aWeb\u30d6\u30e9\u30a6\u30b6\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3001Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059(\u56f31\u53c2\u7167)\u3002<\/p>\n<figure id=\"attachment_125554\" aria-describedby=\"caption-attachment-125554\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125555 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-49.png\" alt=\"Chrome\u3001Internet Explorer\u3001Firefox\u3001Microsoft Edge\u306a\u3069\u306eWeb\u30d6\u30e9\u30a6\u30b6\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u7531\u3057\u3066Trickbot\u304cWeb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3059\u308b\u69d8\u5b50\u3092\u793a\u3059\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"508\" \/><figcaption id=\"caption-attachment-125554\" class=\"wp-caption-text\">\u56f31. \u53cd\u5c04\u578b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3068\u547c\u3070\u308c\u308b\u30b9\u30c6\u30eb\u30b9\u6280\u8853\u3092\u4f7f\u3044\u3001Trickbot\u304cWeb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u5bfe\u8c61\u3068\u306a\u308b\u30d6\u30e9\u30a6\u30b6\u30921\u30d7\u30ed\u30bb\u30b9\u305a\u3064\u63a2\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001Web\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u3084\u6697\u53f7\u5316\u3092\u62c5\u5f53\u3059\u308bAPI\u547c\u3073\u51fa\u3057\u3092\u30d5\u30c3\u30af\u3057\u307e\u3059\u3002\u6697\u53f7\u5316\u524d\u306e\u30c7\u30fc\u30bf\u3092\u508d\u53d7\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306fHTTP POST\u306e\u30d8\u30c3\u30c0\u3092\u8aad\u307f\u53d6\u3063\u3066\u3001\u305d\u306e\u5834\u3067\u81e8\u6a5f\u5fdc\u5909\u306b\u64cd\u4f5c\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125556\" aria-describedby=\"caption-attachment-125556\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125557 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-50.png\" alt=\"Trickbot\u304cWeb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u3067Internet Explorer\u3001Microsoft Edge\u3001Chrome\u3001Firefox\u306a\u3069\u306eWeb\u30d6\u30e9\u30a6\u30b6\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u63a2\u3059\u69d8\u5b50\u3092\u793a\u3057\u305f\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"1133\" \/><figcaption id=\"caption-attachment-125556\" class=\"wp-caption-text\">\u56f32. Trickbot\u306eWeb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30d6\u30e9\u30a6\u30b6\u306b\u3082\u3068\u3065\u3044\u3066\u30d5\u30c3\u30af\u3092\u914d\u7f6e\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<figure id=\"attachment_125558\" aria-describedby=\"caption-attachment-125558\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125559 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-51.png\" alt=\"HttpSendRequestA\u3001HttpSendRequestW\u3001HttpSendRequestExA\u3001HttpSendRequestExW\u3001InternetCloseHandle\u306a\u3069\u306e Wininet.dll\u95a2\u6570\u306bTrickbot\u304c\u30d5\u30c3\u30af\u3092\u914d\u7f6e\u3059\u308b\u69d8\u5b50\u3092\u793a\u3057\u305f\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"767\" \/><figcaption id=\"caption-attachment-125558\" class=\"wp-caption-text\">\u56f33. Trickbot\u304cwininet.dll\u95a2\u6570\u306b\u30d5\u30c3\u30af\u3092\u914d\u7f6e\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>Web\u30da\u30fc\u30b8\u306e\u63cf\u753b\u76f4\u524d\u306bHTTP\u30d8\u30c3\u30c0\u3092\u5b8c\u5168\u306b\u5236\u5fa1\u4e0b\u306b\u7f6e\u304f\u3053\u3068\u306b\u3088\u308a\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u30d5\u30a9\u30fc\u30e0\u3092\u3059\u3063\u304b\u308a\u5909\u66f4\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u6b3a\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001HTML\u3084JavaScript\u306e\u30b3\u30fc\u30c9\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u3046\u3063\u304b\u308aPIN\u30b3\u30fc\u30c9\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u756a\u53f7\u306a\u3069\u306e\u6a5f\u5fae\u60c5\u5831\u3092\u5165\u529b\u3059\u308b\u3088\u3046\u306b\u4ed5\u5411\u3051\u3066\u304b\u3089\u3001\u305d\u308c\u3089\u306e\u60c5\u5831\u3092\u53ce\u96c6\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u610f\u56f3\u3057\u3066\u3044\u305fWeb\u30da\u30fc\u30b8\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u507d\u9020\u30d8\u30c3\u30c0\u3092\u9001\u4fe1\u305b\u305a\u3001\u62bd\u51fa\u3057\u305f\u60c5\u5831\u3092\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<table style=\"width: 94.3926%; height: 672px;\">\n<tbody>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px; background-color: #e3caa1;\"><span style=\"font-weight: 400;\">Chrome (<span style=\"font-family: 'courier new', courier, monospace;\">chrome.dll<\/span>)<\/span><\/td>\n<td style=\"width: 32.5545%; height: 56px; background-color: #e3caa1;\"><span style=\"font-weight: 400;\">Firefox (<span style=\"font-family: 'courier new', courier, monospace;\">nspr3.dll<\/span> \/ <span style=\"font-family: 'courier new', courier, monospace;\">nspr4.dll<\/span>)<\/span><\/td>\n<td style=\"width: 150%; height: 56px; background-color: #e3caa1;\"><span style=\"font-weight: 400;\">Internet Explorer \/ Edge (<span style=\"font-family: 'courier new', courier, monospace;\">Wininet.dll<\/span>)<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">ssl_read<\/span><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">PR_Read<\/span><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">HttpSendRequest<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">ssl_write<\/span><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">PR_Connect<\/span><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetCloseHandle<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">PR_Close<\/span><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetReadFile<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">PR_Write<\/span><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetQueryDataAvailable<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">HttpQueryInfo<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetWriteFile<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">HttpEndRequest<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetQueryOption<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetSetOption<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">HttpOpenRequest<\/span><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 23.5202%; height: 56px;\"><\/td>\n<td style=\"width: 32.5545%; height: 56px;\"><\/td>\n<td style=\"width: 150%; height: 56px;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">InternetConnect<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt; color: #999999;\"><em>\u88681 \u30d5\u30c3\u30af\u306e\u5bfe\u8c61\u306b\u3055\u308c\u3084\u3059\u3044API\u95a2\u6570<\/em><\/span><\/p>\n<h3><a id=\"post-125590-_rkzxn6pbjb7r\"><\/a>Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u691c\u51fa\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306fWeb\u30d6\u30e9\u30a6\u30b6\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u691c\u77e5\u3059\u308c\u3070\u9632\u3052\u307e\u3059\u3002\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u3055\u3044\u5f15\u6570<span style=\"font-family: 'courier new', courier, monospace;\">NewAccessProtection<\/span>\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">PAGE_EXECUTE_READWRITE<\/span>\u304c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">BaseAddress<\/span>\u306b\u306f\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u304c\u6a19\u7684\u3068\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u3078\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001Trickbot\u306e\u3055\u307e\u3056\u307e\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u304c<span style=\"font-family: 'courier new', courier, monospace;\">VirtualProtect<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">VirtualProtectEx<\/span>\u3092\u4e21\u65b9\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u306e\u547c\u3073\u51fa\u3057\u3092\u691c\u67fb\u3059\u308c\u3070\u4e21\u65b9\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u4e2d\u306b\u306f\u3001\u30b3\u30fc\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u3042\u3048\u3066\u4f7f\u308f\u305a\u3001\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u30b5\u30b9\u30da\u30f3\u30c9\u3057\u3066\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u30d5\u30c3\u30af\u3092\u914d\u7f6e\u3059\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u306e<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u547c\u3073\u51fa\u3057\u3092\u691c\u67fb\u3059\u308c\u3070\u3001\u3053\u306e\u4e9c\u578b\u306e\u6280\u8853\u3082\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125560\" aria-describedby=\"caption-attachment-125560\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125561 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-52.png\" alt=\"NtProtectVirtualMemory\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u793a\u3059\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"600\" height=\"340\" \/><figcaption id=\"caption-attachment-125560\" class=\"wp-caption-text\">\u56f34. NtProtectVirtualMemory\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7<\/figcaption><\/figure>\n<h2><a id=\"post-125590-_tyjcwt\"><\/a>\u30d7\u30ed\u30bb\u30b9\u751f\u6210\u6642\u306eWeb\u30d6\u30e9\u30a6\u30b6\u3078\u306e\u611f\u67d3<\/h2>\n<p>\u4e00\u90e8\u306e\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306f\u3001\u6a19\u7684\u30d7\u30ed\u30bb\u30b9\u3092\u751f\u6210\u3059\u308b\u3067\u3042\u308d\u3046\u89aa\u30d7\u30ed\u30bb\u30b9\u306b\u30b3\u30fc\u30c9\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u6a19\u7684\u30d7\u30ed\u30bb\u30b9\u304c\u751f\u6210\u3055\u308c\u308b\u3068\u540c\u6642\u306b\u611f\u67d3\u3059\u308b\u3053\u3068\u3092\u72d9\u3044\u307e\u3059\u3002\u89aa\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u5b9f\u884c\u3055\u308c\u305f\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u751f\u6210\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u3092\u30d5\u30c3\u30af\u3057\u3066\u672c\u6765\u306e\u6a19\u7684\u30d7\u30ed\u30bb\u30b9\u304c\u4f5c\u6210\u3055\u308c\u308b\u307e\u3067\u5f85\u6a5f\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30c3\u30af\u5185\u90e8\u3067\u306f\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u304c\u30d7\u30ed\u30bb\u30b9\u306e\u751f\u6210\u30d5\u30ed\u30fc\u3092\u64cd\u4f5c\u3057\u3001\u305f\u3068\u3048\u3070\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u5185\u306eWeb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u521d\u671f\u5316\u3059\u308b\u51e6\u7406\u306a\u3069\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">runtimebroker.exe<\/span>\u306f\u3001\u6a19\u7684\u30d7\u30ed\u30bb\u30b9\u306e\u89aa\u30d7\u30ed\u30bb\u30b9\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u3053\u306e\u76ee\u7684\u3067\u983b\u7e41\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001Karius\u3068\u3044\u3046\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span>\u306b\u30b3\u30fc\u30c9\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CreateProcessInternalW<\/span>\u3092\u30d5\u30c3\u30af\u3059\u308b\u304b\u305f\u3061\u3067\u3053\u306e\u6280\u8853\u3092\u60aa\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u30d5\u30c3\u30af\u30cf\u30f3\u30c9\u30e9\u306f\u3001\u751f\u6210\u3055\u308c\u305fWeb\u30d6\u30e9\u30a6\u30b6\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u63a2\u3057\u3001\u60aa\u610f\u306e\u3042\u308bWeb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u305d\u306e\u4e2d\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-125590-_lzm6zg7y22vn\"><\/a>\u30d7\u30ed\u30bb\u30b9\u751f\u6210\u6642\u306eWeb\u30d6\u30e9\u30a6\u30b6\u611f\u67d3\u8a66\u884c\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306f<span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span>\u3084<span style=\"font-family: 'courier new', courier, monospace;\">runtimebroker.exe<\/span>\u3078\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u63a2\u3059\u3053\u3068\u3067\u9632\u3052\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u306f\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306b\u3088\u308b<span style=\"font-family: 'courier new', courier, monospace;\">NtCreateUserProcess<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtCreateProcessEx<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CreateProcessInternalW<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CreateProcessA<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CreateProcessW<\/span>\u306a\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u751f\u6210\u95a2\u6570\u3078\u306e\u30d5\u30c3\u30af\u3092\u63a2\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125590-_26in1rg\"><\/a>\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u306b\u3088\u308b\u901a\u4fe1<\/h2>\n<p>\u591a\u304f\u306e\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u5236\u5fa1\u4e0b\u306b\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u540c\u58eb\u306e\u901a\u4fe1\u306b\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7(named pipe)\u3092\u4f7f\u3044\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u306f\u3001\u307e\u305a\u4e3b\u4f53\u3068\u306a\u308b\u30dc\u30c3\u30c8\u3092Windows\u306e\u30d7\u30ed\u30bb\u30b9\u306e1\u3064\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3066\u304b\u3089\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u76ee\u7684\u306b\u5fdc\u3058\u3066\u5225\u30d7\u30ed\u30bb\u30b9\u306b\u5225\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u3067\u7570\u306a\u308b\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u901a\u4fe1\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001Trickbot\u306f<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306b\u4e3b\u4f53\u3068\u306a\u308b\u30dc\u30c3\u30c8\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3057\u3001Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u3092Web\u30d6\u30e9\u30a6\u30b6\u306b<a href=\"https:\/\/attack.mitre.org\/techniques\/T1620\/\">\u53cd\u5c04\u578b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/a>\u306b\u3088\u308a\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30d1\u30a4\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u540c\u3058\u540d\u524d\u306e\u30d1\u30a4\u30d7\u306b\u63a5\u7d9a\u3057\u3001\u4e3b\u4f53\u3068\u306a\u308b\u30dc\u30c3\u30c8\u3068\u901a\u4fe1\u3057\u3001\u53d6\u5f97\u3057\u305f\u8a8d\u8a3c\u60c5\u5831\u3092C2\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125562\" aria-describedby=\"caption-attachment-125562\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125563 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-53.png\" alt=\"Trickbot\u304c\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u69d8\u5b50\u3092\u793a\u3057\u305f\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"684\" \/><figcaption id=\"caption-attachment-125562\" class=\"wp-caption-text\">\u56f35. Trickbot\u306e\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u30b5\u30fc\u30d0\u30fc<\/figcaption><\/figure>\n<h3><a id=\"post-125590-_24a3eqrz13xa\"><\/a>\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u306e\u901a\u4fe1\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306f\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u691c\u67fb\u3059\u308c\u3070\u9632\u3052\u307e\u3059\u3002\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306fWindows\u30d7\u30ed\u30bb\u30b9\u5185\u306b\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u307e\u305fWeb\u30d6\u30e9\u30a6\u30b6\u5185\u306b\u5b58\u5728\u3059\u308b\u5225\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306f\u540c\u3058\u540d\u524d\u4ed8\u304d\u30d1\u30a4\u30d7\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125590-_3dy6vkm\"><\/a>Heaven\u2019s Gate\u3092\u4f7f\u3046\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853<\/h2>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u4f7f\u3046\u6280\u8853\u306e\u3072\u3068\u3064\u306bHeaven's Gate\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306f\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u30bb\u30ec\u30af\u30bf<span style=\"font-family: 'courier new', courier, monospace;\">0x33<\/span>\u3092\u4f7f\u3063\u3066<span style=\"font-family: 'courier new', courier, monospace;\">far jump\/call<\/span>\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u300132\u30d3\u30c3\u30c8(WoW64)\u30d7\u30ed\u30bb\u30b9\u304c64\u30d3\u30c3\u30c8\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u6700\u8fd1\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001Heaven's Gate\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001x64\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u5358\u4e0032\u30d3\u30c3\u30c8\u30d7\u30ed\u30bb\u30b9\u304b\u308964\u30d3\u30c3\u30c8\u306832\u30d3\u30c3\u30c8\u4e21\u65b9\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u884c\u3044\u307e\u3059\u3002Heaven's Gate\u306fWoW64\u306eAPI\u30d5\u30c3\u30af\u3092\u56de\u907f\u3057\u3001\u4e00\u90e8\u306e\u30c7\u30d0\u30c3\u30ac\u306e\u89e3\u6790\u3092\u59a8\u5bb3\u3057\u3001\u4e00\u90e8\u306e\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u306e\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5931\u6557\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u53e4\u3044\u6280\u8853\u3067\u3059\u304c\u4eca\u3067\u3082\u6709\u52b9\u3067\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Trickbot\u3068Emotet\u306e\u30ed\u30fc\u30c0\u30fc\u306f\u3001WoW64\u30d7\u30ed\u30bb\u30b9\u304b\u308964\u30d3\u30c3\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u3078\u306e<a href=\"https:\/\/attack.mitre.org\/techniques\/T1055\/012\/\">\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0<\/a>\u306bHeaven's Gate\u3092\u4f7f\u3044\u307e\u3059(\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"#post-125590-_rm3d6xxbk52n\">\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u30d1\u30c3\u30c1\u306b\u3088\u308b\u56de\u907f\u578b\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0<\/a>\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044)\u3002\u3053\u306e2\u3064\u306e\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u3001\u4e3b\u4f53\u3068\u306a\u308b\u30dc\u30c3\u30c8\u304c<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u5185\u306b\u5e38\u99d0\u3057\u3001Web\u30b3\u30f3\u30c6\u30f3\u30c4\u64cd\u4f5c\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u8a8d\u8a3c\u60c5\u5831\u7a83\u53d6\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30d6\u30e9\u30a6\u30b6\u30d7\u30ed\u30bb\u30b9\u5185\u306b\u5e38\u99d0\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125564\" aria-describedby=\"caption-attachment-125564\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125565 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-54.png\" alt=\"Emotet\u304cMicrosoft Outlook Messaging API\u30e2\u30b8\u30e5\u30fc\u30eb\u3067Heaven's Gate\u6280\u8853\u3092\u4f7f\u3046\u3088\u3046\u3059\" width=\"600\" height=\"495\" \/><figcaption id=\"caption-attachment-125564\" class=\"wp-caption-text\">\u56f36. Emotet\u304cMicrosoft Outlook Messaging API (MAPI)\u30e2\u30b8\u30e5\u30fc\u30eb\u3067Heaven's Gate\u6280\u8853\u3092\u4f7f\u3046\u3088\u3046\u3059<\/figcaption><\/figure>\n<h3><a id=\"post-125590-_1t3h5sf\"><\/a>Heaven's Gate\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>WoW64\u30d7\u30ed\u30bb\u30b9\u306f\u901a\u5e38\u3001x64 CPU\u30e2\u30fc\u30c9\u3078\u306e\u79fb\u884c\u3092<span style=\"font-family: 'courier new', courier, monospace;\">wow64cpu.dll<\/span>\u7d4c\u7531\u3067\u884c\u3044\u307e\u3059\u3002Heaven's Gate\u306f\u3053\u306e\u79fb\u884c\u3092\u624b\u52d5\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001WoW64\u30d7\u30ed\u30bb\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c<span style=\"font-family: 'courier new', courier, monospace;\">wow64cpu.dll<\/span>\u3092\u7d4c\u7531\u3057\u306a\u304b\u3063\u305f\u304b\u3069\u3046\u304b\u3092\u691c\u67fb\u3059\u308c\u3070\u3001Heaven's Gate\u3092\u767a\u898b\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u91cd\u8981\u306aAPI\u306b\u30d5\u30c3\u30af\u3092\u914d\u7f6e\u3057\u3001\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u751f\u6210\u3057\u3001\u751f\u6210\u3057\u305f\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092<span style=\"font-family: 'courier new', courier, monospace;\">wow64cpu.dll<\/span>\u3092\u5bfe\u8c61\u306b\u691c\u67fb\u3059\u308c\u3070\u3088\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125566\" aria-describedby=\"caption-attachment-125566\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125567 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-55.png\" alt=\"\u901a\u5e38\u306eWoW64\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30d5\u30ed\u30fc\u3002\" width=\"900\" height=\"322\" \/><figcaption id=\"caption-attachment-125566\" class=\"wp-caption-text\">\u56f37 \u901a\u5e38\u306eWoW64\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30d5\u30ed\u30fc<\/figcaption><\/figure>\n<h2><a id=\"post-125590-_rm3d6xxbk52n\"><\/a>\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u30d1\u30c3\u30c1\u306b\u3088\u308b\u56de\u907f\u578b\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0<\/h2>\n<p>\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0\u306f\u3001\u6b63\u5f53\u306a\u30d7\u30ed\u30bb\u30b9\u3092\u30b5\u30b9\u30da\u30f3\u30c9\u30e2\u30fc\u30c9\u3067\u65b0\u305f\u306b\u4f5c\u6210\u3057\u3001\u305d\u306e\u30e1\u30a4\u30f3\u30a4\u30e1\u30fc\u30b8\u3092\u30a2\u30f3\u30de\u30c3\u30d7\u3057\u3066\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u306b\u7f6e\u304d\u63db\u3048\u308b\u30d7\u30ed\u30bb\u30b9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853\u3067\u3059\u3002\u65b0\u305f\u306b\u4f5c\u6210\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u5185\u306b\u306f\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u304c\u66f8\u304d\u8fbc\u307e\u308c\u3001\u30b5\u30b9\u30da\u30f3\u30c9\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u547d\u4ee4\u30dd\u30a4\u30f3\u30bf\u304c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtGetContextThread\/NtSetContextThread<\/span>\u306b\u3088\u3063\u3066\u5909\u66f4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u30d9\u30f3\u30c0\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtGetContextThread\/NtSetContextThread<\/span>\u306e\u4f7f\u7528\u3068\u7d44\u307f\u5408\u308f\u3055\u308c\u305f\u30e1\u30a4\u30f3\u30a4\u30e1\u30fc\u30b8\u306e\u30a2\u30f3\u30de\u30c3\u30d7\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0(\u7a7a\u6d1e\u5316)\u3092\u691c\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u65e2\u77e5\u306e\u691c\u51fa\u56de\u907f\u6280\u8853\u3068\u3057\u3066\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtGetContextThread\/NtSetContextThread<\/span>\u95a2\u6570\u3092\u4f7f\u308f\u305a\u3001\u307e\u305f\u306f\u30e1\u30a4\u30f3\u30a4\u30e1\u30fc\u30b8\u3092\u30a2\u30f3\u30de\u30c3\u30d7\u305b\u305a\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u306b\u5c0f\u3055\u306ajump\u3067\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u3066\u30da\u30a4\u30ed\u30fc\u30c9\u3078\u5b9f\u884c\u3092\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u6280\u8853\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070Trickbot\u3084Kronos\u304c\u3053\u306e\u6280\u8853\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Kronos\u306f\u30b5\u30b9\u30da\u30f3\u30c9\u3055\u308c\u305f<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u3092\u72ec\u81ea\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u81ea\u8eab\u306e\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u5185\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u307b\u304b\u306e\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3068\u540c\u69d8\u306b\u3001Kronos\u306e\u30e1\u30a4\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u306f<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u5185\u3067\u52d5\u4f5c\u3057\u3001\u30ea\u30e2\u30fc\u30c8\u306e<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u5168\u4f53\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u6307\u63ee\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>Trickbot\u306f\u3001\u307e\u305a\u30d7\u30ed\u30bb\u30b9\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u3067<span style=\"font-family: 'courier new', courier, monospace;\">VirtualProtectEx<\/span>\u3092\u4f7f\u3044\u3001\u6b21\u306b<span style=\"font-family: 'courier new', courier, monospace;\">WriteProcessMemory<\/span>\u3092\u4f7f\u3063\u3066\u30d5\u30c3\u30af\u306e\u30b9\u30bf\u30d6\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u3067\u3001\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125568\" aria-describedby=\"caption-attachment-125568\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125569 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-56.png\" alt=\"Kronos\u304csvchost.exe\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u305d\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u308b\u69d8\u5b50\u3092\u793a\u3059\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"835\" \/><figcaption id=\"caption-attachment-125568\" class=\"wp-caption-text\">\u56f38. Kronos\u304csvchost.exe\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u305d\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u308b\u3088\u3046\u3059<\/figcaption><\/figure>\n<figure id=\"attachment_125570\" aria-describedby=\"caption-attachment-125570\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125571 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-57.png\" alt=\"\u56f39 Kronos\u306e\u30d5\u30c3\u30af\u30b9\u30bf\u30d6\u7528\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8 \u2013 push\u3068ret\u306bx86\u306e\u30aa\u30da\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\" width=\"600\" height=\"287\" \/><figcaption id=\"caption-attachment-125570\" class=\"wp-caption-text\">\u56f39 Kronos\u306e\u30d5\u30c3\u30af\u30b9\u30bf\u30d6\u7528\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8 \u2013 push\u3068ret\u306bx86\u306e\u30aa\u30da\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b<\/figcaption><\/figure>\n<h3><a id=\"post-125590-_6j8eaggwaq5c\"><\/a>\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u30d1\u30c3\u30c1\u306b\u3088\u308b\u56de\u907f\u578b\u30d7\u30ed\u30bb\u30b9\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtWriteVirtualMemory<\/span>\u306a\u3044\u3057<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u306e\u547c\u3073\u51fa\u3057\u3067\u4e0e\u3048\u3089\u308c\u308b\u30a2\u30c9\u30ec\u30b9\u5f15\u6570\u304c\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u304b\u3069\u3046\u304b\u3092\u691c\u67fb\u3057\u305f\u308a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306e\u30e1\u30e2\u30ea\u306e\u8aad\u307f\u53d6\u308a\u3084\u7591\u308f\u3057\u3044\u30ea\u30e2\u30fc\u30c8\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u691c\u51fa\u3059\u308c\u3070\u9632\u3052\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125590-_pmcjp13ppzvp\"><\/a>PE\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/h2>\n<p>\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u304c\u3088\u304f\u4f7f\u3046\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853\u306e\u3072\u3068\u3064\u306b\u3001<span style=\"font-family: 'courier new', courier, monospace;\">WriteProcessMemory<\/span>\u3092\u4f7f\u3063\u3066\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u306b\u30de\u30c3\u30d7\u3055\u308c\u305fPE\u3092\u66f8\u304d\u8fbc\u3080\u65b9\u6cd5\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e2d\u306b\u306f\u3001PE\u30d8\u30c3\u30c0\u3092\u6d88\u53bb\u3059\u308b\u306a\u3069\u3001\u30d0\u30c3\u30d5\u30a1\u304b\u3089\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8(\u75d5\u8de1)\u3092\u6d88\u3059\u3053\u3068\u3067\u547c\u3073\u51fa\u3057\u3092\u96a0\u305d\u3046\u3068\u3059\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001Zeus\u306e\u4e9c\u7a2e\u306f\u3053\u306e\u6280\u8853\u3092\u4f7f\u3063\u3066\u307b\u304b\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u81ea\u8eab\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3001\u96a0\u308c\u305f\u307e\u307e\u3067\u3044\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u91d1\u878d\u30c7\u30fc\u30bf\u3092\u76d7\u3080\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125572\" aria-describedby=\"caption-attachment-125572\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125573 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-58.png\" alt=\"Zeus\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8(\u6d41\u51fa\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u306e\u629c\u7c8b)\u3002\" width=\"900\" height=\"671\" \/><figcaption id=\"caption-attachment-125572\" class=\"wp-caption-text\">\u56f310 \u6d41\u51fa\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u629c\u7c8b\u3057\u305fZeus\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9<\/figcaption><\/figure>\n<h3><a id=\"post-125590-_uh53dzro30gi\"><\/a>PE\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtWriteVirtualMemory<\/span>\u306b\u9001\u3089\u308c\u305f\u30d0\u30c3\u30d5\u30a1\u306b\u5b9f\u884c\u53ef\u80fd\u306a\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u304c\u306a\u3044\u304b\u691c\u67fb\u3059\u308b\u3053\u3068\u3067\u9632\u3052\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125590-_xg0p1dqvrsie\"><\/a>\u30d5\u30c3\u30af\u306b\u3088\u308b\u30d7\u30ed\u30bb\u30b9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/h2>\n<p>\u30d5\u30c3\u30af\u306e\u914d\u7f6e\u3082\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u30e1\u30a4\u30f3\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u6b63\u898f\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3059\u308b\u3068\u3001\u30b9\u30c6\u30eb\u30b9\u6027\u3092\u7dad\u6301\u3057\u3064\u3064\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u4fdd\u8b77\u306b\u3088\u308b\u691c\u77e5\u3092\u56de\u907f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6280\u8853\u306f\u30d5\u30c3\u30af\u3092\u4f7f\u3063\u3066\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u306f\u3001\u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308bAPI\u95a2\u6570\u306b\u30da\u30a4\u30ed\u30fc\u30c9\/\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3078\u306e\u30b8\u30e3\u30f3\u30d7\u3092\u30d5\u30c3\u30af\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CreateRemoteThread<\/span>\u3084<span style=\"font-family: 'courier new', courier, monospace;\">NtSetContextThread<\/span>\u306a\u3069\u306e\u30b3\u30fc\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u7591\u308f\u3057\u3044API\u306e\u547c\u3073\u51fa\u3057\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001IcedID\u306fAPI\u30d5\u30c3\u30af\u3092\u4f7f\u3063\u3066\u3001\u30cf\u30ed\u30a6\u30a4\u30f3\u30b0(\u7a7a\u6d1e\u5316)\u3057\u305f<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3001\u4e3b\u4f53\u3068\u306a\u308b\u30dc\u30c3\u30c8\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306f<a href=\"https:\/\/securityintelligence.com\/diving-into-zberps-unconventional-process-injection-technique\/\">ZwClose<\/a>\u6280\u8853\u3068\u3057\u3066\u3082\u77e5\u3089\u308c\u3066\u3044\u307e\u3059(ZwClose\u306fZberp\u3068\u3044\u3046\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u30d5\u30c3\u30af\u3057\u305fAPI\u3067\u3001\u3053\u306e\u3068\u304d\u521d\u3081\u3066\u3053\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853\u304c\u5b9f\u5730\u3067\u4f7f\u308f\u308c\u305f)\u3002<\/p>\n<p>IcedID\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u30d5\u30ed\u30fc\u306fZberp\u306e\u305d\u308c\u3068\u306f\u82e5\u5e72\u7570\u306a\u308a\u307e\u3059\u3002IcedID\u306e\u5834\u5408\u3001\u307e\u305a<span style=\"font-family: 'courier new', courier, monospace;\">NtCreateUserProcess<\/span>\u3092\u30d5\u30c3\u30af\u3057\u3001\u6b21\u306b<span style=\"font-family: 'courier new', courier, monospace;\">CreateProcessA<\/span>\u3092\u547c\u3073\u51fa\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u7279\u5225\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3084\u5f15\u6570\u306f\u6307\u5b9a\u3057\u307e\u305b\u3093\u3002\u901a\u5e38\u306e\u30d5\u30ed\u30fc\u3067\u3042\u308c\u3070\u3001\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306f\u3059\u3050\u306b\u7d42\u4e86\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_125574\" aria-describedby=\"caption-attachment-125574\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125575 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-59.png\" alt=\"IcedID\u304csvchost.exe\u306e\u30d5\u30c3\u30af\u3092\u958b\u59cb\u3057\u305f\u69d8\u5b50\u3092\u793a\u3059\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\" width=\"900\" height=\"409\" \/><figcaption id=\"caption-attachment-125574\" class=\"wp-caption-text\">\u56f311 IcedID\u304csvchost.exe\u306e\u30d5\u30c3\u30af\u3092\u958b\u59cb\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<figure id=\"attachment_125576\" aria-describedby=\"caption-attachment-125576\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125577 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-60.png\" alt=\"NtCreateUserProcess\u3092\u30d5\u30c3\u30af\u3059\u308bIcedID\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"311\" \/><figcaption id=\"caption-attachment-125576\" class=\"wp-caption-text\">\u56f312 IcedID\u304cNtCreateUserProcess\u3092\u30d5\u30c3\u30af\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3068\u3053\u308d\u304cIcedID\u306e\u5834\u5408\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtCreateUserProcess<\/span>\u3092\u30d5\u30c3\u30af\u3057\u305f\u305f\u3081\u306b<span style=\"font-family: 'courier new', courier, monospace;\">CreateProcessA<\/span>\u306e\u547c\u3073\u51fa\u3057\u76f4\u5f8c\u306b\u30d5\u30c3\u30af\u30cf\u30f3\u30c9\u30e9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30cf\u30f3\u30c9\u30e9\u5185\u3067\u306f\u4ee5\u4e0b\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">NtCreateUserProcess<\/span>\u3092\u30a2\u30f3\u30d5\u30c3\u30af\u3059\u308b<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">NtCreateUserProcess<\/span>\u3092\u547c\u3073\u51fa\u3059(\u3053\u308c\u306b\u3088\u308a<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u304c\u4f5c\u6210\u3055\u308c\u308b)<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">RtlDecompressBuffer<\/span>\u3092\u4f7f\u3044\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u542b\u3080\u30ed\u30fc\u30ab\u30eb\u30d0\u30c3\u30d5\u30a1\u3092\u89e3\u51cd\u3059\u308b<\/li>\n<li>\u30ea\u30e2\u30fc\u30c8\u306e<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u30d7\u30ed\u30bb\u30b9\u306b\u30da\u30a4\u30ed\u30fc\u30c9\u7528\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">NtAllocateVirtualMemory<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">ZwWriteVirtualMemory<\/span>\u3092\u4f7f\u3063\u3066\u30ea\u30e2\u30fc\u30c8\u306e<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u66f8\u304d\u8fbc\u3080<\/li>\n<\/ul>\n<p>IcedID\u306f\u3001\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305f<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306e<span style=\"font-family: 'courier new', courier, monospace;\">RtlExitUserProcess<\/span>\u3092\u30da\u30a4\u30ed\u30fc\u30c9\u3078\u306ejump\u30b9\u30bf\u30d6\u3067\u30d5\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3053\u308c\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u524d\u8ff0\u3057\u305f\u901a\u308a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">svchost.exe<\/span>\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u306a\u3057\u3067\u4f5c\u6210\u3055\u308c\u3066\u3044\u3066\u3001\u7d42\u4e86\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u304c\u3001IcedID\u306e\u30d5\u30c3\u30af\u304c\u3042\u308b\u306e\u3067\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u30b8\u30e3\u30f3\u30d7\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125578\" aria-describedby=\"caption-attachment-125578\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125579 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-61.png\" alt=\"RtlExitUserProcess\u3092\u30d5\u30c3\u30af\u3057\u3066\u3044\u308bIcedID\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3002\" width=\"900\" height=\"401\" \/><figcaption id=\"caption-attachment-125578\" class=\"wp-caption-text\">\u56f313. IcedID\u304cRtlExitUserProcess\u3092\u30d5\u30c3\u30af\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<h3><a id=\"post-125590-_fvu55w5lz7m1\"><\/a>\u30d5\u30c3\u30af\u306b\u3088\u308b\u30d7\u30ed\u30bb\u30b9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">NtWriteVirtualMemory<\/span>\u306e\u547c\u3073\u51fa\u3057\u3092\u691c\u67fb\u3059\u308c\u3070\u9632\u3052\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u306b\u4e0e\u3048\u3089\u308c\u308b\u30a2\u30c9\u30ec\u30b9\u5f15\u6570\u306f\u3044\u305a\u308c\u304b\u306eWindows\u30e9\u30a4\u30d6\u30e9\u30ea\u304b\u3089\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u305f\u95a2\u6570\u3067\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtWriteVirtualMemory<\/span>\u306e\u66f8\u304d\u8fbc\u307f\u30d0\u30c3\u30d5\u30a1\u306f\u30d5\u30c3\u30af\u7528\u30b9\u30bf\u30d6\u3067\u3059\u3002\u3044\u305a\u308c\u306e\u5834\u5408\u3082\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u306f\u65e2\u77e5\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125590-_qlvkbjr0alhu\"><\/a>AtomBombing\u3092\u4f7f\u3046\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6280\u8853<\/h2>\n<p>AtomBombing\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u304c\u76e3\u8996\u3057\u3066\u3044\u308b\u7591\u308f\u3057\u3044API\u547c\u3073\u51fa\u3057\u3092\u907f\u3051\u3066\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u30b3\u30fc\u30c9\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u305b\u308b\u6280\u8853\u3067\u3059\u3002Dridex\u306f\u82e5\u5e72\u306e\u4fee\u6b63\u3092\u52a0\u3048\u305fAtomBombing\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u3044\u3001Windows\u30d7\u30ed\u30bb\u30b9(\u901a\u5e38<span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span>)\u306b\u30b9\u30c6\u30fc\u30b8\u306e1\u3064\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u624b\u9806\u3092\u3075\u3093\u3067\u3001\u91d1\u878d\u30c7\u30fc\u30bf\u3092\u76d7\u3082\u3046\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>AtomBombing\u6280\u8853\u3092\u4f7f\u3046\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u307e\u305a\u3001\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30a2\u30c8\u30e0(Atom)\u30c6\u30fc\u30d6\u30eb\u306b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u3064\u304e\u306b\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtQueueApcThread<\/span>\u3092\u4f7f\u3063\u3066\u6a19\u7684\u3068\u306a\u308b\u30d7\u30ed\u30bb\u30b9\u30b9\u30ec\u30c3\u30c9\u306eAPC\u30ad\u30e5\u30fc\u306b\u975e\u540c\u671f\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30b3\u30fc\u30eb(APC)\u3092\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u3057\u3001\u5f53\u8a72\u30d7\u30ed\u30bb\u30b9\u306b\u5f37\u5236\u7684\u306b<span style=\"font-family: 'courier new', courier, monospace;\">GlobalGetAtomA<\/span>\u3092\u547c\u3073\u51fa\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u6a19\u7684\u30b9\u30ec\u30c3\u30c9\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30a2\u30c8\u30e0\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u3001\u6a19\u7684\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u5185\u306eRead\/Write(RW)\u9818\u57df(<span style=\"font-family: 'courier new', courier, monospace;\">kernelbase.dll<\/span>\u30c7\u30fc\u30bf\u30bb\u30af\u30b7\u30e7\u30f3\u5185\u306e\u30b3\u30fc\u30c9\u30b1\u30fc\u30d6)\u306b\u633f\u5165\u3057\u307e\u3059\u3002\u30da\u30a4\u30ed\u30fc\u30c9\u306fNULL\u7d42\u7aef\u6587\u5b57\u5217\u3067\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u5404\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066\u30a2\u30c8\u30e0\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u884c\u306b\u3042\u305f\u3063\u3066\u306f\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u30d7\u30ed\u30bb\u30b9\u304c<span style=\"font-family: 'courier new', courier, monospace;\">NtQueueApcThread<\/span>\u3092\u4f7f\u3063\u3066\u5225\u306eAPC\u3092\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u3057\u3001\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u306b<span style=\"font-family: 'courier new', courier, monospace;\">NtSetContextThread<\/span>\u3092\u5f37\u5236\u7684\u306b\u5b9f\u884c\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NtSetContextThread<\/span>\u3092\u547c\u3073\u51fa\u3057\u3001\u3053\u308c\u306b\u3088\u308aExecute\/Read\/Write(RWX)\u30e1\u30e2\u30ea\u3092\u5272\u308a\u5f53\u3066\u308bROP(return-oriented programming)\u30c1\u30a7\u30fc\u30f3\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u6b21\u306b\u3053\u306eROP\u30c1\u30a7\u30fc\u30f3\u304cRW\u9818\u57df\u304b\u3089\u65b0\u305f\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305fRWX\u9818\u57df\u306b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3057\u3001\u6700\u7d42\u7684\u306b\u3053\u308c\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>AtomBombing\u306e\u80cc\u666f\u306b\u3042\u308b\u30e6\u30cb\u30fc\u30af\u306a\u767a\u60f3\u304cwrite\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u3067\u3001\u3053\u308c\u306e\u304a\u304b\u3052\u3067\u30a2\u30c8\u30e0\u30c6\u30fc\u30d6\u30eb\u3068APC\u3092\u4f7f\u3046\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u66f8\u304d\u8fbc\u307f\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Dridex\u306f<span style=\"font-family: 'courier new', courier, monospace;\">memset<\/span>\u3092\u547c\u3073\u51fa\u3059APC\u3092\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0\u3059\u308bAtomBombing\u306e\u4e00\u7a2e\u3092\u4f7f\u3044\u3001<span style=\"font-family: 'courier new', courier, monospace;\">ntdll.dll<\/span>\u306eRW\u9818\u57df\u3092\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">ntdll.dll<\/span>\u306eRW\u9818\u57df\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3068\u540c\u3058\u6280\u8853\u3092\u4f7f\u3063\u3066\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u3068\u305d\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u6a19\u7684\u30d7\u30ed\u30bb\u30b9\u306b\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u884c\u306b\u3042\u305f\u3063\u3066Dridex\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u3092\u4f7f\u3063\u3066\u30b3\u30d4\u30fc\u3057\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30e1\u30e2\u30ea\u3092\u5b9f\u884c\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u306b\u5909\u66f4\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtProtectVirtualMemory<\/span>\u3092\u547c\u3073\u51fa\u3057\u3066\u540c\u3058write\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u3092\u4f7f\u3046\u3053\u3068\u3067<span style=\"font-family: 'courier new', courier, monospace;\">GlobalGetAtomA<\/span>\u3092\u30d5\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u7d42\u7684\u306b\u306f\u3001\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u305f<span style=\"font-family: 'courier new', courier, monospace;\">GlobalGetAtomA<\/span>\u306bAPC\u3092\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0\u3057\u3066\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u305b\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_125580\" aria-describedby=\"caption-attachment-125580\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125581 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/10\/word-image-62.png\" alt=\"AtomBombing\u306e\u6982\u5ff5\u5b9f\u8a3c\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\" width=\"900\" height=\"802\" \/><figcaption id=\"caption-attachment-125580\" class=\"wp-caption-text\">\u56f314 AtomBombing\u306e\u6982\u5ff5\u5b9f\u8a3c\u30b3\u30fc\u30c9<\/figcaption><\/figure>\n<h3><a id=\"post-125590-_d5z9ottt4mei\"><\/a>AtomBombing\u3068\u305d\u306e\u4e9c\u578b\u3092\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u306e\u6280\u8853\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NtQueueApcThread\/NtSetContextThread<\/span>\u306e\u547c\u3073\u51fa\u3057\u306b\u4e0e\u3048\u3089\u308c\u305f\u5f15\u6570\u304c\u3001\u7591\u308f\u3057\u3044API\u306b\u5411\u3051\u3089\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u691c\u67fb\u3059\u308c\u3070\u9632\u3052\u307e\u3059\u3002\u305f\u3068\u3048\u3070<span style=\"font-family: 'courier new', courier, monospace;\">NtQueueApcThread<\/span>\u3067\u3042\u308c\u3070APC\u30eb\u30fc\u30c1\u30f3\u306e\u5f15\u6570\u3001<span style=\"font-family: 'courier new', courier, monospace;\">NtSetContextThread<\/span>\u3067\u3042\u308c\u3070\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u5f15\u6570\u5185\u306b\u65b0\u305f\u306a\u547d\u4ee4\u30dd\u30a4\u30f3\u30bf\u304c\u4e0e\u3048\u3089\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u691c\u67fb\u3057\u307e\u3059\u3002\u3069\u3061\u3089\u306eAPI\u547c\u3073\u51fa\u3057\u3082\u30ea\u30e2\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125590-_rogzks4f1xe1\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u91d1\u92ad\u76ee\u7684\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084\u91d1\u878d\u8a50\u6b3a\u306e\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u30de\u30eb\u30a6\u30a7\u30a2\u6280\u8853\u3092\u4f7f\u3044\u3001\u5e38\u306b\u65b0\u305f\u306a\u56de\u907f\u6280\u8853\u306e\u958b\u767a\u3092\u6a21\u7d22\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u7a3f\u3067\u306f\u3001\u8208\u5473\u6df1\u3044\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u6280\u8853\u3068\u3001\u305d\u308c\u3089\u306e\u6280\u8853\u304c\u88ab\u5bb3\u8005\u306e\u6a5f\u5fae\u30c7\u30fc\u30bf\u7a83\u53d6\u306b\u3069\u3046\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u5229\u7528\u3057\u3066\u60aa\u610f\u306e\u3042\u308b\u884c\u52d5\u3092\u691c\u51fa\u30fb\u9632\u6b62\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u898b\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>Cortex XDR\u3092\u304a\u4f7f\u3044\u306e\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u3053\u3046\u3057\u305f\u653b\u6483\u304b\u3089\u4ee5\u4e0b\u306e\u591a\u6bb5\u968e\u306e\u9632\u5fa1\u30ec\u30a4\u30e4\u30fc\u3067\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ed\u30fc\u30ab\u30eb\u5206\u6790\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30b8\u30e5\u30fc\u30eb<\/li>\n<li>\u632f\u308b\u821e\u3044\u9632\u5fa1(BTP)<\/li>\n<li>\u632f\u308b\u821e\u3044\u306b\u3082\u3068\u3065\u304fIoC(BIOC)\u3001Analytics BIOCs\u30eb\u30fc\u30eb<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u591a\u6bb5\u968e\u306e\u4fdd\u8b77\u30ec\u30a4\u30e4\u30fc\u304c\u3001\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3055\u307e\u3056\u307e\u306a\u5b9f\u884c\u6bb5\u968e\u3067\u4f7f\u3046\u6226\u8853\u3084\u6280\u8853\u3092\u8b58\u5225\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\u306fCortex XDR\u307e\u305f\u306f\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u7528\u306eWildFire\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u3082\u672c\u7a3f\u3067\u53d6\u308a\u4e0a\u3052\u305f\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"indicators-of-compromise\"><\/a>IoC<\/h2>\n<ul>\n<li>Trickbot\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">testnewinj32Dll.dll<span style=\"font-family: georgia, palatino, serif;\">:<\/span> 4becc0d518a97cc31427cd08348958cda4e00487c7ec0ac38fdcd53bbe36b5cc<\/span><\/li>\n<li>Web\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3(Webinjects): <span style=\"font-family: 'courier new', courier, monospace;\">ef6603a7ef46177ecba194148f72d396d0ddae47e3d6e86cf43085e34b3a64d4<\/span><\/li>\n<\/ul>\n<\/li>\n<li>Emotet: <span style=\"font-family: 'courier new', courier, monospace;\">dd20506b3c65472d58ccc0a018cb67c65fab6718023fd4b16e148e64e69e5740<\/span><\/li>\n<li>Kronos: <span style=\"font-family: 'courier new', courier, monospace;\">aad98f57ce0d2d2bb1494d82157d07e1f80fb6ee02dd5f95cd6a1a2dc40141bc<\/span><\/li>\n<li>Zeus: <span style=\"font-family: 'courier new', courier, monospace;\">0f409bc42d5cd8d28abf6d950066e991bf9f4c7bd0e234d6af9754af7ad52aa6<\/span><\/li>\n<li>IcedID: <span style=\"font-family: 'courier new', courier, monospace;\">358af26358a436a38d75ac5de22ae07c4d59a8d50241f4fff02c489aa69e462f<\/span><\/li>\n<li>Dridex: <span style=\"font-family: 'courier new', courier, monospace;\">ffbd79ba40502a1373b8991909739a60a95e745829d2e15c4d312176bbfb5b3e<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30cb\u30e5\u30fc\u30b9\u3067\u306fAPT\u653b\u6483(\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483)\u304c\u5927\u304d\u304f\u53d6\u308a\u4e0a\u3052\u3089\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u591a\u304f\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u982d\u306b\u3042\u308b\u306e\u306f\u8adc\u5831\u3088\u308a\u3082\u91d1\u92ad\u3067\u3059\u3002\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3092\u898b\u308c\u3070\u3001\u3053\u3046\u3057\u305f\u91d1\u92ad\u7684\u52d5\u6a5f\u306e\u3042\u308b\u30b0\u30eb\u30fc\u30d7\u304c\u4f7f\u3046\u6280\u8853\u306b\u3064<\/p>\n","protected":false},"author":323,"featured_media":134382,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4435,4428],"tags":[4717,4649,5397,4777,5399,5401,5403,5405,5407],"product_categories":[4444,4448,4456],"coauthors":[3695],"class_list":["post-125590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning-hub-ja","category-threat-research-ja","tag-banking-trojan-ja","tag-dridex-ja","tag-emotet-ja","tag-icedid-ja","tag-kronos-ja","tag-process-injection-ja","tag-trickbot-ja","tag-webinjects-ja","tag-zeus-ja","product_categories-advanced-wildfire-ja","product_categories-cortex-xdr-ja","product_categories-next-generation-firewall-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u6280\u8853: \u91d1\u92ad\u7684\u52d5\u6a5f\u3067\u52d5\u304f\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3044\u304b\u306b\u3057\u3066\u30a4\u30f3\u30d5\u30e9\u3068\u306a\u3063\u305f\u304b<\/title>\n<meta name=\"description\" content=\"\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u4f7f\u3046\u6280\u8853\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u307b\u304b\u306e\u91d1\u92ad\u7684\u540c\u671f\u3092\u80cc\u666f\u306b\u3082\u3064\u8105\u5a01\u30b0\u30eb\u30fc\u30d7\u306e\u6d3b\u52d5\u3092\u691c\u51fa\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u672c\u7a3f\u3067\u306f\u3053\u308c\u3089\u8105\u5a01\u306e\u4f7f\u3046\u6280\u8853\u3068\u305d\u306e\u691c\u51fa\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/banking-trojan-techniques\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306e\u6280\u8853: \u91d1\u92ad\u7684\u52d5\u6a5f\u3067\u52d5\u304f\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3044\u304b\u306b\u3057\u3066\u30a4\u30f3\u30d5\u30e9\u3068\u306a\u3063\u305f\u304b\" \/>\n<meta property=\"og:description\" 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