{"id":102595,"date":"2019-12-24T22:36:21","date_gmt":"2019-12-25T06:36:21","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=102595"},"modified":"2025-08-25T04:30:35","modified_gmt":"2025-08-25T11:30:35","slug":"wireshark-tutorial-examining-ursnif-infections","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wireshark-tutorial-examining-ursnif-infections\/","title":{"rendered":"Wireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 6: Ursnif\u611f\u67d3\u306e\u8abf\u67fb"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p><a href=\"https:\/\/attack.mitre.org\/software\/S0386\/\">Ursnif<\/a>\u306f\u3001Gozi\u307e\u305f\u306fIFSB\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u30d0\u30f3\u30ad\u30f3\u30b0\u30de\u30eb\u30a6\u30a7\u30a2(\u91d1\u878d\u30de\u30eb\u30a6\u30a7\u30a2)\u3067\u3059\u3002Ursnif\u30d5\u30a1\u30df\u30ea\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u306f\u9577\u5e74\u306b\u308f\u305f\u308a\u6d3b\u52d5\u304c\u898b\u3089\u308c\u3001\u73fe\u6642\u70b9\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u660e\u78ba\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f<a href=\"https:\/\/www.wireshark.org\">Wireshark<\/a>\u3092\u4f7f\u7528\u3057\u3001Ursnif\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\uff08pcap\uff09\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u304cUrsnif\u306b\u3088\u308b\u611f\u67d3\u3092\u691c\u51fa\u30fb\u8abf\u67fb\u3059\u308b\u3055\u3044\u306f\u3053\u3046\u3057\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u8aac\u660e\u3059\u308b\u5185\u5bb9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>Ursnif\u306e\u914d\u5e03\u65b9\u6cd5<\/li>\n<li>Ursnif\u306b\u3088\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5206\u985e<\/li>\n<li>Ursnif\u306b\u3088\u308b\u611f\u67d3\u3067\u767a\u751f\u3057\u305f5\u7a2e\u985e\u306e\u30b5\u30f3\u30d7\u30ebpcap<\/li>\n<\/ul>\n<p>\u6ce8\u610f: \u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u3001Wireshark\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u77e5\u8b58\u304c\u3042\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u4ee5\u524d\u306e<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/unit42-customizing-wireshark-changing-column-display\/\">\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u3067\u8a2d\u5b9a\u3057\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6e08\u307f\u306e\u5217\u8868\u793a\u3092\u4f7f\u3044\u307e\u3059\u3002\u307e\u305f<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">\u3053\u306e\u56de<\/a>\u3067\u89e3\u8aac\u3057\u305fWireshark\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u30d5\u30a3\u30eb\u30bf\u3082\u3059\u3067\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u306a\u304a\u30b5\u30f3\u30d7\u30ebzip\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u3059\u3079\u3066\u300c<em>infected<\/em>\u300d\u3067\u3059\u3002<\/strong><\/p>\n<h2>Ursnif\u306e\u914d\u5e03\u65b9\u6cd5<\/h2>\n<p>Ursnif\u306f\u3001web\u30d9\u30fc\u30b9\u306e\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u3068\u60aa\u610f\u306e\u3042\u308b\u30b9\u30d1\u30e0\uff08\u30de\u30eb\u30b9\u30d1\u30e0\uff09\u3092\u4ecb\u3057\u3066\u914d\u4fe1\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001<a href=\"https:\/\/isc.sans.edu\/forums\/diary\/Hancitor+infection+with+Pony+Evil+Pony+Ursnif+and+Cobalt+Strike\/25532\/\">\u6700\u8fd1\u516c\u958b\u3055\u308c\u305f\u3053\u3061\u3089\u306e\u30b5\u30f3\u30d7\u30eb<\/a>\u3067\u5831\u544a\u3055\u308c\u3066\u3044\u308b<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/unit42-compromised-servers-fraud-accounts-recent-hancitor-attacks\/\">Hancitor<\/a>\u306e\u3088\u3046\u306a\u3001\u3055\u307e\u3056\u307e\u306a\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u611f\u67d3\u306e\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u3068\u3057\u3066Ursnif\u306b\u3088\u308b\u611f\u67d3\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u56f31\u306e\u4f8b\u306e\u3088\u3046\u306b\u3001\u30de\u30eb\u30b9\u30d1\u30e0\u30d9\u30fc\u30b9\u306e\u914d\u5e03\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u304b\u3089\u306f\u3001Ursnif\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u983b\u7e41\u306b\u898b\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2500\" height=\"1443\"  class=\"wp-image-102598 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73.jpeg 2500w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-300x173.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-1024x591.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-768x443.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-1536x887.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-2048x1182.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-900x519.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-73-370x214.jpeg 370w\" sizes=\"(max-width: 2500px) 100vw, 2500px\" \/><span style=\"font-size: 10pt;\"><em>\u56f31 \u6700\u3082\u4e00\u822c\u7684\u306aUrsnif\u914d\u5e03\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e1\u3064\u3092\u793a\u3057\u305f\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3002<br \/>\n\u30de\u30eb\u30b9\u30d1\u30e0\u306b\u6dfb\u4ed8\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3064\u304dZIP\u30a2\u30fc\u30ab\u30a4\u30d6\u304b\u3089 Word Doc \u30d5\u30a1\u30a4\u30eb\u3092\u5c55\u958b\u3002\u30de\u30af\u30ed\u304c\u6709\u52b9\u5316\u3055\u308c\u308b\u3068Ursnif\u306eHTTP\u306b\u30a2\u30af\u30bb\u30b9\u3057\u7b2c\u4e00\u6bb5\u968e\u306eUrsnif\u30d0\u30a4\u30ca\u30ea\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3002HTTP\u306a\u3044\u3057HTTPS\u306b\u3088\u308bUrsnif\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u767a\u751f\u3057\u3001\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u304f\u308b<\/em><\/span><\/p>\n<h2>Ursnif\u306b\u3088\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5206\u985e<\/h2>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Ursnif\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e2\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>HTTPS\u7d4c\u7531\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u306a\u3044Ursnif<\/li>\n<li>HTTPS\u7d4c\u7531\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3042\u308bUrsnif<\/li>\n<\/ul>\n<p>\u3044\u305a\u308c\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30f3\u30d7\u30eb\u3082\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u306b\u540c\u3058\u7a2e\u985e\u306e\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8(\u75d5\u8de1)\u3092\u6b8b\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u56f32\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u3069\u3061\u3089\u306e\u7a2e\u985e\u306eUrsnif\u3067\u3042\u3063\u3066\u3082\u3001Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u3092\u66f4\u65b0\u3057\u3066Windows\u30db\u30b9\u30c8\u3067\u6c38\u7d9a\u5316\u3057\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2032\" height=\"1016\"  class=\"wp-image-102600 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74.jpeg 2032w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74-300x150.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74-1024x512.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74-768x384.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74-1536x768.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74-900x450.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-74-370x185.jpeg 370w\" sizes=\"(max-width: 2032px) 100vw, 2032px\" \/><span style=\"font-size: 10pt;\"><em>\u56f32 HTTPS\u7d4c\u7531\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6709\u7121\u306b\u304b\u304b\u308f\u3089\u305aUrsnif\u30b5\u30f3\u30d7\u30eb\u306b\u3088\u308aWindows\u30ec\u30b8\u30b9\u30c8\u30ea\u304c\u66f4\u65b0\u3055\u308c\u308b<\/em><\/span><\/p>\n<h2>\u4f8b1\uff1aHTTPS\u3092\u4f7f\u7528\u3057\u306a\u3044Ursnif<\/h2>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u6700\u521d\u306epcap\u30d5\u30a1\u30a4\u30eb <strong><em>Ursnif-traffic-example-1.pcap<\/em><\/strong>\u3092\u00a0<a href=\"https:\/\/www.malware-traffic-analysis.net\/training\/examining-ursnif.html\">\u3053\u3053<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3064\u304dzip\u30d5\u30a1\u30a4\u30eb\u3092\u5c55\u958b\u3057\u3066\u958b\u3044\u3066\u304f\u3060\u3055\u3044 (\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u300cinfected\u300d\u3067\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u3082\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9)\u3002\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u751f\u3058\u305f\u80cc\u666f\u3068\u306a\u308b\u4e00\u9023\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u30c4\u30a4\u30fc\u30c8\u306f<a href=\"https:\/\/twitter.com\/malware_traffic\/status\/1203071348941246464\">\u3053\u3061\u3089\u304b\u3089<\/a>\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u306a\u304a\u3001\u4f8b1\u3067\u306f\u3001Ursnif\u306b\u3088\u308b\u611f\u67d3\u3068\u76f4\u63a5\u95a2\u9023\u306e\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3059\u3079\u3066\u53d6\u308a\u9664\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Wireshark\u3067pcap\u3092\u958b\u304d\u3001\u56f33\u306b\u793a\u3057\u305f\u3068\u304a\u308a\u300c<strong><em>http.request<\/em><\/strong>\u300d\u3092\u6307\u5b9a\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2334\" height=\"1326\"  class=\"wp-image-102602 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75.jpeg 2334w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-300x170.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-1024x582.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-768x436.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-1536x873.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-2048x1164.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-900x511.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-75-370x210.jpeg 370w\" sizes=\"(max-width: 2334px) 100vw, 2334px\" \/><span style=\"font-size: 10pt;\"><em>\u56f33 Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u4f8b1\u306epcap<\/em><\/span><\/p>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001Ursnif\u306b\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u306f\u30018.208.24[.]139\u3078\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u767a\u751f\u3055\u305b\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u3055\u3044.at\u3067\u7d42\u308f\u308b\u3055\u307e\u3056\u307e\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ab\u30c6\u30b4\u30ea\u306eUrsnif\u306f\u3001\u6b21\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u306b\u3088\u308bHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>URL\u304c.dat\u3067\u7d42\u308f\u308b\u3001\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u7528\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>Ursnif\u304cWindows\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u6c38\u7d9a\u5316\u3055\u308c\u305f\u5f8c\u306b\u767a\u751f\u3059\u308bHTTP GET\u304a\u3088\u3073HTTP POST\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<\/ul>\n<p>\u4f8b1\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u5834\u5408\u3001\u6b21\u306eHTTP\u30c7\u30fc\u30bf\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6700\u521d\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\uff1aw8.wensa[.]at<\/li>\n<li>\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u306e\u30ea\u30af\u30a8\u30b9\u30c8\uff1a hxxp:\/\/api2.casys[.]at\/jvassets\/xI\/t64.dat<\/li>\n<li>Ursnif\u304c\u6c38\u7d9a\u5316\u3055\u308c\u305f\u5f8c\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u3068POST\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\uff1ah1.wensa[.]at<\/li>\n<\/ul>\n<p>20:13:09 UTC\u306b\u767a\u751f\u3057\u305f\u6700\u521d\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d5\u30ec\u30fc\u30e0(\u30d5\u30ec\u30fc\u30e0No.9)\u3092\u9078\u629e\u3057\u3066\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001[\u8ffd\u8de1]\u3001[TCP\u30b9\u30c8\u30ea\u30fc\u30e0] \u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u8ffd\u8de1\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0 \u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u5b8c\u5168\u306aURL\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002GET\u30ea\u30af\u30a8\u30b9\u30c8\u304c\/api1\/\u3067\u59cb\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3001\u305d\u306e\u5f8c\u308d\u306b\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\u3084\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\u542b\u3080\u82f1\u6570\u5b57\u306e\u9577\u3044\u6587\u5b57\u5217\u304c\u7d9a\u3044\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u56f34\u306f\u3053\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2218\" height=\"1604\"  class=\"wp-image-102604 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76.jpeg 2218w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-300x217.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-1024x741.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-768x555.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-1536x1111.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-2048x1481.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-900x651.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-76-370x268.jpeg 370w\" sizes=\"(max-width: 2218px) 100vw, 2218px\" \/><span style=\"font-size: 10pt;\"><em>\u56f34 \u6700\u521d\u306eUrsnif\u30b5\u30f3\u30d7\u30eb\u306b\u3088\u308a\u767a\u751f\u3057\u305fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4f8b\u3002GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\/api1\/\u3067\u59cb\u307e\u308a\u3001\u305d\u306e\u5f8c\u306b\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\u3068\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\u542b\u3080\u9577\u3044\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3068\u6570\u5b57\u306e\u6587\u5b57\u5217\u304c\u7d9a\u304f<\/em><\/span><\/p>\n<p>2019\u5e7412\u670810\u65e5\u306bHancitor\u3078\u306e\u611f\u67d3\u3067\u751f\u6210\u3055\u308c\u305fUrsnif\u306e\u6d3b\u52d5\u5185\u5bb9\u304b\u3089\u3082\u3001\u3053\u308c\u3068\u540c\u3058\u30d1\u30bf\u30fc\u30f3\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u306epcap\u306f<a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/12\/10\/index.html\">\u3053\u3061\u3089\u306b<\/a>\u3042\u308a\u307e\u3059\u3002\u4ed6\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u6d3b\u52d5\u306b\u6df7\u3058\u3063\u3066\u3001\u3053\u306e12\u670810\u65e5\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u6b21\u306e\u3088\u3046\u306aUrsnif\u306e\u75d5\u8de1\u304c\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6700\u521d\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\uff1afoo.fulldin[.]at<\/li>\n<li>\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u306e\u30ea\u30af\u30a8\u30b9\u30c8\uff1a hxxp:\/\/one.ahah100[.]at\/jvassets\/o1\/s64.dat<\/li>\n<li>Ursnif\u304c\u6c38\u7d9a\u5316\u3055\u308c\u305f\u5f8c\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u3068POST\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\uff1a api.ahah100[.]at<\/li>\n<\/ul>\n<p>\u4f8b1\u3067\u898b\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3068\u300112\u670810\u65e5\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u898b\u305fUrsnif\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u985e\u4f3c\u6027\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4f7f\u7528\u3057\u306a\u3044Ursnif\u30b5\u30f3\u30d7\u30eb\u3067\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u4f8b2\uff1aHTTPS\u3092\u4f7f\u7528\u3059\u308bUrsnif<\/h2>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb2\u3064\u76ee\u306epcap\u30d5\u30a1\u30a4\u30eb<strong><em>Ursnif-traffic-example-2.pcap<\/em><\/strong>\u306f<a href=\"https:\/\/www.malware-traffic-analysis.net\/training\/examining-ursnif.html\">\u3053\u3053<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u4f8b1\u540c\u69d8\u3001Ursnif\u306b\u3088\u308b\u611f\u67d3\u3068\u76f4\u63a5\u95a2\u9023\u306e\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3059\u3079\u3066\u53d6\u308a\u9664\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Wireshark 2.x\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306fpcap\u3092\u958b\u3044\u305f\u3089\u56f35\u306b\u793a\u3057\u305f\u3068\u304a\u308a\u300c <strong><em>http.request or ssl.handshake.type == 1<\/em><\/strong> \u300d\u3092\u6307\u5b9a\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002Wireshark 3.0\u307e\u305f\u306f\u305d\u308c\u4ee5\u964d\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u300c <strong><em>http.request or tls.handshake.type == 1<\/em><\/strong> \u300d\u3092\u6307\u5b9a\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308c\u3070\u6b63\u3057\u3044\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2452\" height=\"1318\"  class=\"wp-image-102606 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77.jpeg 2452w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-300x161.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-1024x550.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-768x413.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-1536x826.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-2048x1101.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-900x484.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-77-370x199.jpeg 370w\" sizes=\"(max-width: 2452px) 100vw, 2452px\" \/><span style=\"font-size: 10pt;\"><em>\u56f35 Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u4f8b2\u306epcap<\/em><\/span><\/p>\n<p>\u672c\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001\u6b21\u306e\u4e00\u9023\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u3092\u8fd4\u3059HTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u306b\u3088\u308bHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>Ursnif\u304cWindows\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u6c38\u7d9a\u5316\u3055\u308c\u305f\u5f8c\u306b\u767a\u751f\u3059\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n<p>\u3067\u306f\u3001ghinatronx[.]com\u3078\u306e\u6700\u521d\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f8b1\u3068\u540c\u3058\u624b\u9806\u3067\u8ffd\u8de1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u306fWindows\u7528\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306a\u3044\u3057DLL\u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059(\u56f36\u53c2\u7167)\u3002 <a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-exporting-objects-from-a-pcap\/\">\u4ee5\u524d\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3082<\/a>\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001pcap\u304b\u3089\u306f\u3001Ursnif\u306e\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"1202\" height=\"793\"  class=\"wp-image-102608 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78.jpeg 1202w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78-300x198.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78-1024x676.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78-768x507.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78-900x594.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-78-370x244.jpeg 370w\" sizes=\"(max-width: 1202px) 100vw, 1202px\" \/><span style=\"font-size: 10pt;\"><em>\u56f36 Ursnif\u30d0\u30a4\u30ca\u30ea\u3092\u8fd4\u3059\u6700\u521d\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3002\u6700\u521d\u306e2\u30d0\u30a4\u30c8\u304c\u6587\u5b57\u5217\u300cMZ\u300d\u3060\u304c\u3053\u308c\u306fWindows \u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306a\u3044\u3057DLL\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u3002\u307e\u305f\u300cThis program cannot be run in DOS mode.\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u78ba\u8a8d\u3067\u304d\u308b\u304c\u3001\u3053\u308c\u306f\u307b\u3068\u3093\u3069\u306eWindows\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3068DLL\u30d5\u30a1\u30a4\u30eb\u306b\u542b\u307e\u308c\u308b\u6587\u5b57\u5217<\/em><\/span><\/p>\n<p>\u7d9a\u304f4\u3064\u306e bjanicki[.]com \u306b\u5bfe\u3059\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u3053\u306eUrsnif\u30d0\u30a4\u30ca\u30ea\u304c\u751f\u6210\u3057\u305f\u3082\u306e\u3067\u3059\u300218:46:21 UTC\u304b\u3089\u59cb\u307e\u308b\u3001 bjanicki[.]com \u3078\u306e\u6700\u521d\u306eHTTP GET \u30ea\u30af\u30a8\u30b9\u30c8\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u304b\u3089\u3001\u5b8c\u5168\u306aURL\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002GET\u30ea\u30af\u30a8\u30b9\u30c8\u304c \/images\/ \u3067\u59cb\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3001\u305d\u306e\u5f8c\u308d\u306b\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\u3084\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\u542b\u3080\u82f1\u6570\u5b57\u306e\u9577\u3044\u6587\u5b57\u5217\u304c\u7d9a\u304d\u3001\u6700\u5f8c\u304c .avi\u3067\u7d42\u308f\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306eURL\u30d1\u30bf\u30fc\u30f3\u306f\u4f8b1\u306epcap\u306b\u542b\u307e\u308c\u3066\u3044\u305fUrsnif\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3069\u3053\u304b\u4f3c\u3066\u3044\u307e\u3059\u3002\u56f37\u306f\u30012\u756a\u76ee\u306epcap\u304b\u3089\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2262\" height=\"1668\"  class=\"wp-image-102610 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79.jpeg 2262w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-300x221.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-1024x755.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-768x566.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-1536x1133.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-2048x1510.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-900x664.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-79-370x273.jpeg 370w\" sizes=\"(max-width: 2262px) 100vw, 2262px\" \/><span style=\"font-size: 10pt;\"><em>\u56f37 2\u756a\u76ee\u306eUrsnif\u30b5\u30f3\u30d7\u30eb\u306b\u3088\u308a\u767a\u751f\u3057\u305fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4f8b\u3002GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\/images\/\u3067\u59cb\u307e\u308a\u3001\u5f8c\u308d\u306b\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\u3084\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\u542b\u3080\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3068\u6570\u5b57\u306e\u9577\u3044\u6587\u5b57\u5217\u304c\u7d9a\u304f\u3002\u6700\u5f8c\u306f.avi\u3067\u7d42\u308f\u308b<\/em><\/span><\/p>\n<p>\u3068\u3053\u308d\u304c\u6700\u521d\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u306e2\u756a\u76ee\u306epcap\u306eUrsnif\u306f\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u306e\u6c38\u7d9a\u5316\u5f8c\u3001HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u307e\u3059\u3002 <a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">\u524d\u56de\u307e\u3067\u306e\u8b1b\u5ea7<\/a> \u3067\u8aac\u660e\u3057\u305f\u300c<strong><em>basic<\/em><\/strong>\u300dweb\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u3001\u3056\u3063\u3068HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002prodrigo29lbkf20[.]com\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u56f38\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2416\" height=\"1316\"  class=\"wp-image-102612 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80.jpeg 2416w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-300x163.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-1024x558.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-768x418.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-1536x837.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-2048x1116.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-900x490.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-80-370x202.jpeg 370w\" sizes=\"(max-width: 2416px) 100vw, 2416px\" \/><span style=\"font-size: 10pt;\"><em>\u56f38 Wireshark\u3067web\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3001Ursnif\u304c\u751f\u6210\u3057\u305fHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/em><\/span><\/p>\n<p>\u3053\u306eUrsnif\u4e9c\u7a2e\u304c\u751f\u6210\u3057\u305fHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u6697\u53f7\u5316\u901a\u4fe1\u306e\u78ba\u7acb\u306b\u4f7f\u7528\u3059\u308b\u8a3c\u660e\u66f8\u306b\u306f\u969b\u7acb\u3063\u305f\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u898b\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u3001\u300c <strong><em>ssl.handshake.type == 11<\/em><\/strong> \u300d(Wireshark 3.0\u307e\u305f\u306f\u305d\u308c\u4ee5\u964d\u306e\u5834\u5408\u306f\u300c <strong><em>tls.handshake.type == 11<\/em><\/strong> \u300d)\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7d50\u679c\u753b\u9762\u3067\u6700\u521d\u306e\u30d5\u30ec\u30fc\u30e0\u3092\u9078\u629e\u3057\u3001\u30d5\u30ec\u30fc\u30e0\u4e0b\u90e8\u306b\u3042\u308b\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u306e\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u5bfe\u8c61\u884c\u3092\u5c55\u958b\u3057\u3066\u3044\u304d\u3001\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3055\u305b\u307e\u3057\u3087\u3046\u3002\u56f39\u306b\u305d\u306e\u624b\u9806\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2490\" height=\"1628\"  class=\"wp-image-102614 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81.jpeg 2490w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-300x196.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-1024x670.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-768x502.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-1536x1004.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-2048x1339.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-900x588.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-81-370x242.jpeg 370w\" sizes=\"(max-width: 2490px) 100vw, 2490px\" \/><span style=\"font-size: 10pt;\"><em>\u56f39 \u5bfe\u8c61\u306e\u884c\u3092\u9806\u6b21\u5c55\u958b\u3057\u3066\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u305f\u3069\u308b\u3002<br \/>\nWireshark2.x\u7cfb\u306e\u5834\u5408\u306fSecure Sockets Layer \u306e\u884c\u3092\u5c55\u958b\u3057\u30013.x \u7cfb\u306e\u5834\u5408\u306f Transport Layer Security \u306e\u884c\u3092\u5c55\u958b\u3059\u308b<\/em><\/span><\/p>\n<p>\u56f39\u3067\u793a\u3057\u305f\u3088\u3046\u306b\u3001\u30d5\u30ec\u30fc\u30e0\u306e\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6\u3067<strong><em>Secure Sockets Layer <\/em><\/strong><em>(<\/em>Wireshark 3.0\u306e\u5834\u5408\u306f<strong><em>Transport Layer Security<\/em><\/strong><em>)<\/em>\u3092\u5c55\u958b\u3057\u307e\u3059\u3002\u3064\u3065\u3044\u3066<strong><em>TLSv1.2 Record Layer: Handshake Protocol: Certificate<\/em><\/strong>\u3068\u3044\u3046\u884c\u3092\u5c55\u958b\u3057\u3001<strong><em>Handshake Protocol: Certificate<\/em><\/strong>\u306e\u884c\u3092\u5c55\u958b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u3066\u9806\u306b\u5c55\u958b\u3057\u3066\u3044\u304d\u3001\u56f310\u306b\u793a\u3057\u305f\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u7d9a\u3051\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2498\" height=\"1622\"  class=\"wp-image-102616 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82.jpeg 2498w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-300x195.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-1024x665.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-768x499.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-1536x997.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-2048x1330.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-900x584.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-82-370x240.jpeg 370w\" sizes=\"(max-width: 2498px) 100vw, 2498px\" \/><span style=\"font-size: 10pt;\"><em>\u56f310 Ursnif\u304c\u751f\u6210\u3057\u305fHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf<\/em><\/span><\/p>\n<p>\u56f310\u306b\u793a\u3057\u305f<strong><em>Handshake Protocol: Certificate<\/em><\/strong>\u306e\u884c\u4ee5\u964d\u306f\u6b21\u306e\u9806\u3067\u5c55\u958b\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>Certificates (615 bytes)<\/li>\n<li>Certificate: 30820260308201c9a003020102020900c692c94106d77dfc\u2026<\/li>\n<li>signedCertificate<\/li>\n<li>Issuer: rdnSequence (6)<\/li>\n<li>rdnSequence: 6 items (id-at-commonName=*,id-at-organizationalUnitN\u2026<\/li>\n<\/ul>\n<p><strong><em>rdnSequence<\/em><\/strong>\u4ee5\u4e0b\u306e\u500b\u3005\u306e\u9805\u76ee\u306e\u884c\u304c\u3001\u8a3c\u660e\u66f8\u767a\u884c\u8005\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u7279\u5fb4\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>countryName=<strong>XX<\/strong><\/li>\n<li>stateOrProvinceName=<strong>1<\/strong><\/li>\n<li>localityName=<strong>1<\/strong><\/li>\n<li>organizationName=<strong>1<\/strong><\/li>\n<li>organizationalUnitName=<strong>1<\/strong><\/li>\n<li>commonName=<strong>*<\/strong><\/li>\n<\/ul>\n<p>\u3053\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u6709\u52b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Ursnif\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u7121\u52b9\u306a\u8a3c\u660e\u66f8\u30c7\u30fc\u30bf\u304c\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u3088\u304f\u3042\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u6709\u52b9\u306a\u8a3c\u660e\u66f8\u30c7\u30fc\u30bf\u306e\u898b\u3048\u304b\u305f\u3082\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u56f311\u306f\u3001DigiCert\u304c\u767a\u884c\u3057\u305f\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u306a\u30c7\u30fc\u30bf\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"2070\" height=\"848\"  class=\"wp-image-102618 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83.jpeg 2070w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-300x123.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-1024x419.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-768x315.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-1536x629.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-2048x839.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-900x369.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-83-370x152.jpeg 370w\" sizes=\"(max-width: 2070px) 100vw, 2070px\" \/><em>\u56f311 \u6709\u52b9\u306a\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf<\/em><\/span><\/p>\n<p>Ursnif\u306b\u95a2\u3057\u3066\u6700\u5f8c\u306b\u53d6\u308a\u4e0a\u3052\u308b\u9805\u76ee\u306f\u3001Ursnif\u611f\u67d3\u30db\u30b9\u30c8\u306b\u3088\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u30c1\u30a7\u30c3\u30af\u306b\u3064\u3044\u3066\u3067\u3059\u3002\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306fopendns[.]com\u3092\u30ea\u30be\u30eb\u30d0\u3068\u3057\u3066\u4f7f\u7528\u3059\u308bDNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u4e00\u822c\u306eIP\u30a2\u30c9\u30ec\u30b9\u78ba\u8a8d\u30b5\u30fc\u30d3\u30b9\u540c\u69d8\u3001\u3053\u3061\u3089\u306e\u30ea\u30be\u30eb\u30d0\u3082\u305d\u308c\u81ea\u4f53\u306f\u6b63\u5f53\u306a\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u304c\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u69d8\u5b50\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u300c<strong>dns.qry.name contains opendns.com<\/strong>\u300d\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u30ec\u30d3\u30e5\u30fc\u3057\u307e\u3059(\u56f312\u53c2\u7167)\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2372\" height=\"1538\"  class=\"wp-image-102620 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84.jpeg 2372w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-300x195.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-1024x664.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-768x498.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-1536x996.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-2048x1328.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-900x584.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-84-370x240.jpeg 370w\" sizes=\"(max-width: 2372px) 100vw, 2372px\" \/><span style=\"font-size: 10pt;\"><em>\u56f312 Ursnif\u306b\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8\u306b\u3088\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u30c1\u30a7\u30c3\u30af\u3002\u611f\u67d3Windows\u30db\u30b9\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u8868\u793a\u3055\u308c\u308b<\/em><\/span><\/p>\n<p>\u56f312\u304b\u3089\u3082\u308f\u304b\u308b\u3068\u304a\u308a\u3001\u611f\u67d3Window\u30db\u30b9\u30c8\u306f\u3001\u300cresolver1.opendns[.]com\u300d\u3078\u306eDNS\u30af\u30a8\u30ea\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b\u306f208.67.222[.]222\u306b\u5bfe\u3057\u3001myip.opendns[.]com\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306eDNS\u30af\u30a8\u30ea\u304c\u7d9a\u304d\u307e\u3059\u3002myip.opendns[.]com\u3078\u306eDNS\u30af\u30a8\u30ea\u306f\u3001\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u4f8b3\uff1a\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u4f34\u3046Ursnif<\/h2>\n<p>3\u756a\u76ee\u306epcap\u306f<strong><em>Ursnif-traffic-example-3.pcap<\/em><\/strong>\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306f<a href=\"https:\/\/www.malware-traffic-analysis.net\/training\/examining-ursnif.html\">\u3053\u3053<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002Ursnif\u306b\u3088\u308b\u611f\u67d3\u3068\u76f4\u63a5\u95a2\u9023\u306e\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3059\u3079\u3066\u53d6\u308a\u9664\u3044\u3066\u3042\u308a\u307e\u3059\u304c\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f1\u3064\u524d\u306e\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u7d44\u307f\u7acb\u3066\u305f\u3082\u306e\u3067\u3059\u30023\u756a\u76ee\u306epcap\u306b\u306f\u3001\u304a\u3068\u308a(decoy\u3001\u30c7\u30b3\u30a4)\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u601d\u308f\u308c\u308b\u3082\u306e\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3053\u3053\u306b\u306f\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u3092\u8fd4\u3059HTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u306b\u3088\u308bHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8 (\u304a\u3068\u308a\u306eURL\u3092\u542b\u3080)<\/li>\n<li>Ursnif\u304cWindows\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u6c38\u7d9a\u5316\u3055\u308c\u305f\u5f8c\u306b\u767a\u751f\u3059\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li>\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u7528\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<\/ul>\n<p><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">\u524d\u56de\u307e\u3067\u306e\u8b1b\u5ea7<\/a> \u3067\u8aac\u660e\u3057\u305f\u300c <strong><em>basic<\/em><\/strong> \u300dweb\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u3001\u3056\u3063\u3068HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046(\u56f313\u53c2\u7167)\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2382\" height=\"1550\"  class=\"wp-image-102622 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85.jpeg 2382w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-300x195.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-1024x666.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-768x500.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-1536x999.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-2048x1333.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-900x586.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-85-370x241.jpeg 370w\" sizes=\"(max-width: 2382px) 100vw, 2382px\" \/><span style=\"font-size: 10pt;\"><em>\u56f313 Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u4f8b3\u306epcap\u306eweb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/em><\/span><\/p>\n<p>\u56f313\u3067\u306f\u3001 sinicaleer[.]com \u3078\u306e\u6700\u521d\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u304cUrsnif\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002\u56f313\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u6b8b\u308a\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306fUrsnif\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u308b\u3082\u306e\u3067\u3001\u6c38\u7d9a\u5316\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u7d9a\u3044\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>google[.]com \u306b\u5bfe\u3059\u308b3\u3064\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001Ursnif\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5b9f\u969b\u306e\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3 ghdy656262oe[.]com\u3078\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308bURL\u30d1\u30bf\u30fc\u30f3\u3092\u8e0f\u8972\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089google[.]com\u3078\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u304a\u3068\u308a\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u3088\u3046\u3067\u3001\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u611f\u67d3\u306b\u5bc4\u4e0e\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u307e\u305f\u3001TCP\u30dd\u30fc\u30c8443\u7d4c\u7531\u306egmail[.]com\u3001www.google[.]com\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3082\u611f\u67d3\u306b\u76f4\u63a5\u5bc4\u4e0e\u3057\u3066\u3044\u308b\u69d8\u5b50\u306f\u306a\u304f\u3001\u3053\u306e\u6d3b\u52d5\u3082\u304a\u3068\u308a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5206\u985e\u3055\u308c\u308b\u3079\u304d\u3082\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u56f314\u306f\u3001google[.]com\u306b\u5bfe\u3059\u308b\u304a\u3068\u308aHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2274\" height=\"1556\"  class=\"wp-image-102624 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86.jpeg 2274w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-300x205.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-1024x701.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-768x526.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-1536x1051.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-2048x1401.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-900x616.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-86-370x253.jpeg 370w\" sizes=\"(max-width: 2274px) 100vw, 2274px\" \/><span style=\"font-size: 10pt;\"><em>\u56f314 Ursnif\u611f\u67d3\u30db\u30b9\u30c8\u304b\u3089Google\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u304a\u3068\u308aHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3002<br \/>\ngoogle.com\u3078\u306e\u30c7\u30b3\u30a4URL\u306f\u3001\u5148\u982d\u304c\/images\/\u306e GET\u306b \u30ea\u30af\u30a8\u30b9\u30c8\u3067\u3001\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\u3084\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\u542b\u3080\u9577\u3044\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3068\u6570\u5b57\u306e\u6587\u5b57\u5217\u304c\u7d9a\u304f\u3002\u6700\u5f8c\u306f .avi \u3067\u7d42\u308f\u308b\u3002<\/em><\/span><\/p>\n<p>ghdy656262oe[.]com\u3078\u306eHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 ghdy656262oe[.]com \u306b\u5bfe\u3059\u308b\u6700\u521d\u306e2\u3064\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u300c<strong><em>404 Not Found<\/em><\/strong> \u300d\u5fdc\u7b54\u3092\u8fd4\u3057\u307e\u3059(\u56f315\u53c2\u7167)\u30023\u756a\u76ee\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u300c<strong><em>200 OK<\/em><\/strong>\u300d\u3092\u8fd4\u3057\u3001\u611f\u67d3\u30d7\u30ed\u30bb\u30b9\u306f\u7d9a\u304d\u307e\u3059(\u56f316\u53c2\u7167)\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2262\" height=\"1552\"  class=\"wp-image-102626 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87.jpeg 2262w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-300x206.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-1024x703.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-768x527.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-1536x1054.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-2048x1405.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-900x618.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-87-370x254.jpeg 370w\" sizes=\"(max-width: 2262px) 100vw, 2262px\" \/><span style=\"font-size: 10pt;\"><em>\u56f315 \u60aa\u610f\u306e\u3042\u308bUrsnif\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u6700\u521d\u306e2\u3064\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3002\u300c404 Not Found\u300d\u5fdc\u7b54\u304c\u8fd4\u3055\u308c\u308b<\/em><\/span><\/p>\n<p style=\"text-align: center;\"><img width=\"2448\" height=\"1544\"  class=\"wp-image-102628 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88.jpeg 2448w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-300x189.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-1024x646.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-768x484.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-1536x969.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-2048x1292.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-900x568.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-88-370x233.jpeg 370w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><span style=\"font-size: 10pt;\"><em>\u56f316 Ursnif\u611f\u67d3\u304c\u9032\u3080\u524d\u306b\u4f55\u5ea6\u304b\u5931\u6557\u3057\u3066\u3044\u308b<\/em><\/span><\/p>\n<p>ghdy656262oe[.]com \u3078\u306e\u6700\u521d\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u300c200 OK\u300d\u304c\u8fd4\u3063\u3066\u3053\u306a\u3044\u306e\u3067\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u306f\u307b\u304b\u306e\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u9806\u306b\u6307\u5b9a\u3057\u3066\u611f\u67d3\u3092\u9032\u3081\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u306b\u4f7f\u308f\u308c\u3066\u3044\u305f2\u3064\u306e\u30c9\u30e1\u30a4\u30f3\u306ftnzf3380au[.]top\u3068xijamaalj[.]com\u3067\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u30892\u3064\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3059\u308bDNS\u30af\u30a8\u30ea\u3078\u306e\u5fdc\u7b54\u306f\u300cNon-existent domain\u300d\u3068\u3044\u3046\u7d50\u679c\u306b\u306a\u308b\u306e\u3067\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u306f\u518d\u3073 ghdy656262oe[.]com\u306b\u623b\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u3063\u3066\u3001\u3053\u306e\u4e00\u9023\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u3088\u304f\u89b3\u5bdf\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong><em>((http.request or http.response) and ip.addr eq 194.1.236.191) or dns.qry.name contains tnzf3380au or dns.qry.name contains xijamaalj<\/em><\/strong><\/p>\n<p>\u7d50\u679c\u306f\u56f317\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5217\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2386\" height=\"1466\"  class=\"wp-image-102630 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89.jpeg 2386w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-300x184.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-1024x629.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-768x472.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-1536x944.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-2048x1258.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-900x553.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-89-370x227.jpeg 370w\" sizes=\"(max-width: 2386px) 100vw, 2386px\" \/><span style=\"font-size: 10pt;\"><em>\u56f317 HTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u300c200 OK\u300d\u304c\u8fd4\u3055\u308c\u308b\u524d\u306b\u611f\u67d3Windows\u30db\u30b9\u30c8\u304cUrsnif\u95a2\u9023\u30c9\u30e1\u30a4\u30f3\u3092\u8a66\u3057\u3066\u3044\u308b\u69d8\u5b50\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/em><\/span><\/p>\n<p>\u611f\u67d3\u306e\u6b8b\u308a\u306e\u90e8\u5206\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u300c<strong><em>basic<\/em><\/strong>\u300dweb\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u3001\u7d50\u679c\u306e\u753b\u9762\u3092\u4e00\u756a\u4e0b\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u307e\u3059\u3002\u56f318\u306f\u3001Ursnif\u304c\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2384\" height=\"1472\"  class=\"wp-image-102632 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90.jpeg 2384w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-300x185.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-1024x632.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-768x474.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-1536x948.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-2048x1265.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-900x556.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-90-370x228.jpeg 370w\" sizes=\"(max-width: 2384px) 100vw, 2384px\" \/><span style=\"font-size: 10pt;\"><em>\u56f318 Ursnif\u304c\u88ab\u5bb3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306b\u767a\u751f\u3059\u308b\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/em><\/span><\/p>\n<p>\u56f318\u304b\u3089\u306f\u3001ghdy656262oe[.]com\u3078\u306e5\u3064\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5f8c\u3001Ursnif\u304c\u6c38\u7d9a\u5316\u3055\u308c\u3001\u3055\u3089\u306b\u611f\u67d3Windows\u30db\u30b9\u30c8\u306b\u3088\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3082google[.]com\u3001gmail[.]com\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>vnt69tnjacynthe[.]com 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.rar\u3067\u7d42\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>.rar\u3067\u7d42\u308f\u308b\u3053\u306eURL\u306f\u3001\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u8fd4\u3059\u3082\u306e\u3067\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u308b\u5834\u5408\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u308b\u304b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u306f\u30d0\u30a4\u30ca\u30ea\u304c\u30c7\u30b3\u30fc\u30c9\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u306f\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5185\u3067\u306f\u898b\u3089\u308c\u307e\u305b\u3093\u3002carresqautomotive[.]com\u3078\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u56f319\u306b\u793a\u3057\u305f\u3082\u306e\u3068\u540c\u3058\u30c7\u30fc\u30bf\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2254\" height=\"1548\"  class=\"wp-image-102634 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91.jpeg 2254w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-300x206.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-1024x703.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-768x527.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-1536x1055.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-2048x1407.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-900x618.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-91-370x254.jpeg 370w\" sizes=\"(max-width: 2254px) 100vw, 2254px\" \/><span style=\"font-size: 10pt;\"><em>\u56f319 Ursnif\u611f\u67d3Windows\u30db\u30b9\u30c8\u306b\u9001\u4fe1\u3055\u308c\u308b\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3002Content-Type \u306b\u306f application\/x-rar-compressed\u00a0 \u3068\u8868\u793a\u3055\u308c\u308b\u3002\u305f\u3060\u3057\u30d0\u30a4\u30ca\u30ea\u306f\u30a8\u30f3\u30b3\u30fc\u30c9\u306a\u3044\u3057\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3067\u5b9f\u969b\u306b\u306frar\u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u306f\u306a\u3044<\/em><\/span><\/p>\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001pcap\u304b\u3089\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30b3\u30d4\u30fc\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001Ursnif\u611f\u67d3\u30db\u30b9\u30c8\u306b\u9001\u4fe1\u3055\u308c\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u7a2e\u985e\u306f\u3001\u4ed6\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u3053\u308c\u307e\u3067\u306b\u3082Ursnif\u611f\u67d3\u304b\u3089\u304f\u308b\u591a\u69d8\u306a\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u78ba\u8a8d\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u305f\u3068\u3048\u3070 <a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/12\/02\/index.html\">Dridex<\/a>\u3001 <a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/10\/21\/index.html\">IcedID<\/a>\u3001 <a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/05\/03\/index.html\">Nymain<\/a>\u3001 <a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/07\/29\/index.html\">Pushdo<\/a>\u3001 <a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/09\/04\/index.html\">Trickbot<\/a>\u306a\u3069\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306b\u898b\u3066\u3044\u304f\u306e\u306f\u3001Ursnif\u611f\u67d3\u5f8c\u306e\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066Dridex\u304c\u4f7f\u308f\u308c\u305f\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n<h2>\u4f8b4\uff1aDridex\u3092\u4f7f\u7528\u3059\u308bUrsnif<\/h2>\n<p>4\u756a\u76ee\u306epcap\u306f<strong><em>Ursnif-traffic-example-4.pcap<\/em><\/strong>\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f<a href=\"https:\/\/www.malware-traffic-analysis.net\/training\/examining-ursnif.html\">\u3053\u3053<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u521d\u306e3\u3064\u306e\u4f8b\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u306epcap\u306e\u5834\u5408\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u7121\u95a2\u4fc2\u306a\u6d3b\u52d5\u306f\u53d6\u308a\u9664\u3044\u3066\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u300c <strong><em>basic<\/em><\/strong> \u300dweb\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u3066HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u773a\u3081\u3066\u307f\u308c\u3070\u5185\u5bb9\u304c\u5927\u307e\u304b\u306b\u3064\u304b\u3081\u308b\u3067\u3057\u3087\u3046\u3002\u7d50\u679c\u306f\u56f320\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2458\" height=\"1630\"  class=\"wp-image-102636 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92.jpeg 2458w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-300x199.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-1024x679.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-768x509.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-1536x1019.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-2048x1358.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-900x597.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-92-370x245.jpeg 370w\" sizes=\"(max-width: 2458px) 100vw, 2458px\" \/><span style=\"font-size: 10pt;\"><em>\u56f320 Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u4f8b4\u306epcap<\/em><\/span><\/p>\n<p>\u3053\u306epcap\u3067\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u4f8b3\u306e\u3082\u306e\u3068\u540c\u3058\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306epcap\u306b\u306f\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u5f8c\u6d3b\u52d5\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u3092\u8fd4\u3059HTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u306b\u3088\u308bHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8 (\u304a\u3068\u308a\u306eURL\u3092\u542b\u3080)<\/li>\n<li>Ursnif\u304cWindows\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u6c38\u7d9a\u5316\u3055\u308c\u305f\u5f8c\u306b\u767a\u751f\u3059\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li>\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u7528\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u5f8c\u6d3b\u52d5<\/li>\n<\/ul>\n<p>\u3053\u306e4\u756a\u76ee\u306e\u4f8b\u3067\u306f\u3001\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u306e\u305f\u3081\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306foklogallem[.]com\u306b\u5bfe\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002Ursnif\u306f\u611f\u67d3\u3092\u6c38\u7d9a\u5316\u3059\u308b\u524d\u306bkh2714ldb[.]com\u3078\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u56f321\u306f\u3001Ursnif\u304c\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306e\u6d3b\u52d5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6d3b\u52d5\u306b\u304a\u3044\u3066Ursnif\u306f\u3001s9971kbjjessie[.]com\u306b\u5bfe\u3059\u308bHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001 startuptshirt[.]my \u306b\u5bfe\u3059\u308bHTTP GET \u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u7528\u306b\u9001\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u767a\u751f\u3059\u308b\u69d8\u5b50\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2500\" height=\"1597\"  class=\"wp-image-102638 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93.jpeg 2500w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-300x192.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-1024x654.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-768x491.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-1536x981.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-2048x1308.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-900x575.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-93-370x236.jpeg 370w\" sizes=\"(max-width: 2500px) 100vw, 2500px\" \/><span style=\"font-size: 10pt;\"><em>\u56f321 Ursnif\u304c\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306e\u611f\u67d3\u6d3b\u52d5\u3002Ursnif\u611f\u67d3\u5f8c\u3001\u6c38\u7d9a\u5316\u304c\u884c\u308f\u308c\u305f\u5f8c\u306fHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u6c42\u3081\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u751f\u6210\u3055\u308c\u308b\u3002\u6700\u5f8c\u306b\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u304cHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u3066\u3044\u308b<\/em><\/span><\/p>\n<p>\u4f8b4\u306epcap\u306e\u611f\u67d3\u30d1\u30bf\u30fc\u30f3\u306f\u4f8b3\u306e\u305d\u308c\u306b\u306a\u3089\u3063\u305f\u3082\u306e\u3067\u3059\u304c\u3001\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u306a\u304494.140.114[.]6\u30015.61.34[.]51\u3078\u306eHTTPS\/SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3082\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u304cDridex\u306b\u3088\u308b\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002<\/p>\n<p>Dridex\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u3001Ursnif\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30d5\u30a3\u30eb\u30bf\u3067\u4f8b4\u306epcap\u306b\u542b\u307e\u308c\u308bDridex\u306e\u8a3c\u660e\u66f8\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong><em>Wireshark 2.x \u306e\u5834\u5408:<br \/>\n(ip.addr eq 94.140.114.6 or ip.addr eq 5.61.34.51) and ssl.handshake.type eq 11<\/em><\/strong><\/li>\n<li><strong><em>Wireshark 3.x \u306e\u5834\u5408:<br \/>\n(ip.addr eq 94.140.114.6 or ip.addr eq 5.61.34.51) and tls.handshake.type eq 11<\/em><\/strong><\/li>\n<\/ul>\n<p>\u7d50\u679c\u753b\u9762\u3067\u6700\u521d\u306e\u30d5\u30ec\u30fc\u30e0\u3092\u9078\u629e\u3057\u3066\u30d5\u30ec\u30fc\u30e0\u306e\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u79fb\u52d5\u3057\u3001\u4f8b2\u306e\u56f39\u3068\u56f310\u3067\u898b\u3066\u304d\u305f\u3088\u3046\u306b\u8a3c\u660e\u66f8\u95a2\u9023\u306e\u884c\u3092\u5c55\u958b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4f8b4\u306epcap\u304b\u3089\u306e\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u8abf\u3079\u308b\u3068\u3001\u56f322\u3001\u56f323\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2464\" height=\"1636\"  class=\"wp-image-102640 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94.jpeg 2464w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-300x199.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-1024x680.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-768x510.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-1536x1020.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-2048x1360.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-900x598.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-94-370x246.jpeg 370w\" sizes=\"(max-width: 2464px) 100vw, 2464px\" \/><span style=\"font-size: 10pt;\"><em>\u56f322 Dridex\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u5bfe\u8c61\u306e\u884c\u3092\u9806\u6b21\u5c55\u958b\u3057\u3066\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u305f\u3069\u308b<\/em><\/span><\/p>\n<p style=\"text-align: center;\"><img width=\"2460\" height=\"1632\"  class=\"wp-image-102642 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95.jpeg 2460w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-300x199.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-1024x679.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-768x510.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-1536x1019.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-2048x1359.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-900x597.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-95-370x245.jpeg 370w\" sizes=\"(max-width: 2460px) 100vw, 2460px\" \/><span style=\"font-size: 10pt;\"><em>\u56f323 Dridex\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e1\u3064\u304b\u3089\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306b\u5230\u9054\u3057\u305f\u3068\u3053\u308d<\/em><\/span><\/p>\n<p><strong><em>rdnSequence<\/em><\/strong> \u3068\u3044\u3046\u884c\u306e\u4e0b\u306b\u8a3c\u660e\u66f8\u767a\u884c\u8005\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 94.140.114[.]6 \u306eHTTPS\/SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>countryName=<strong>NP<\/strong><\/li>\n<li>localityName=<strong>Kathmandu<\/strong><\/li>\n<li>organizationName=<strong>Buvecoww Fftaites O.V.E.E.<\/strong><\/li>\n<li>organizationalUnitName=<strong>Olfo Dusar Latha<\/strong><\/li>\n<li>commonName=<strong>ndltman-dsamutb.spiegel<\/strong><\/li>\n<\/ul>\n<p>\u8a3c\u660e\u66f8\u767a\u884c\u8005\u306e\u30c7\u30fc\u30bf\u306f 5.61.34[.]51\u7528\u306e\u305d\u308c\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u4f3c\u305f\u3088\u3046\u306a\u5f62\u5f0f\u3092\u8e0f\u8972\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>countryName=<strong>MU<\/strong><\/li>\n<li>localityName=<strong>Port Louis<\/strong><\/li>\n<li>organizationName=<strong>Ppoffi Sourinop Cooperative<\/strong><\/li>\n<li>organizationalUnitName=<strong>ipeepstha and thicioi<\/strong><\/li>\n<li>commonName=<strong>plledsaprell.Byargt9wailen.voting<\/strong><\/li>\n<\/ul>\n<p>\u3053\u306e\u7a2e\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u3001Dridex\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u306f\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002<br \/>\n\u3067\u306f\u6b21\u306e\u6700\u5f8c\u306e\u4f8b\u3067\u3082\u3063\u3068Dridex\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u4f8b5\uff1a\u30cf\u30f3\u30ba\u30aa\u30f3<\/h2>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u6700\u5f8c\u306epcap\u306f<strong><em>Ursnif-traffic-example-5.pcap<\/em><\/strong>\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306f<a href=\"https:\/\/www.malware-traffic-analysis.net\/training\/examining-ursnif.html\">\u3053\u3053<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u307e\u3067\u306e\u4f8b\u3068\u540c\u69d8\u3001\u3053\u306epcap\u306b\u306fUrsnif\u611f\u67d3\u306b\u3064\u3065\u304fDridex\u611f\u67d3\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u307e\u3067\u3067\u5b66\u3093\u3060\u30b9\u30ad\u30eb\u3092\u6d3b\u304b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067\u306b\u5b66\u3093\u3060\u3053\u3068\u3092\u3075\u307e\u3048\u3001Wireshark\u3067\u4f8b5\u306epcap\u3092\u958b\u3044\u3066\u3001\u6b21\u306e\u8cea\u554f\u306b\u7b54\u3048\u308b\u60c5\u5831\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u3067\u306f\u3069\u306eURL\u304cWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u9001\u4fe1\u5f8c\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u306fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u7528\u306b\u5225\u30c9\u30e1\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u305f\u304c\u3001\u901a\u4fe1\u306e\u6210\u529f\u306b\u3088\u308a\u611f\u67d3\u306e\u7d99\u7d9a\u3092\u53ef\u80fd\u306b\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u4f55\u3068\u3044\u3046\u30c9\u30e1\u30a4\u30f3\u3060\u3063\u305f\u304b<\/li>\n<li>Ursnif\u304c\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u305f\u304b<\/li>\n<li>\u611f\u67d3Windows\u30db\u30b9\u30c8\u306b\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u305f .rar \u3067\u7d42\u308f\u308bURL\u306f\u4f55\u304b<\/li>\n<li>Dridex\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u4f7f\u7528\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306f\u4f55\u304b<\/li>\n<\/ol>\n<p>\u7b54\u3048\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p><strong>\u8cea\u554f1: <\/strong> \u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u3067\u306f\u3069\u306eURL\u304cWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3057\u3066\u3044\u308b\u304b<\/p>\n<p><strong>\u7b54\u3048:<\/strong> hxxp:\/\/ritalislum[.]com\/obedle\/zarref.php?l=sopopf8.cab<\/p>\n<p>\u3053\u306epcap\u306b\u542b\u307e\u308c\u308bWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u3001Ursnif\u7528\u306e\u521d\u671fWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3060\u3051\u3067\u3059\u3002Wireshark\u306b\u6b21\u306e\u691c\u7d22\u30d5\u30a3\u30eb\u30bf\u3092\u8a2d\u5b9a\u3057\u3066\u3053\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u3059\u3070\u3084\u304f\u898b\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong><em>ip contains \"This program\"<\/em><\/strong><\/p>\n<p>\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u306b\u3088\u3063\u3066\u8868\u793a\u3055\u308c\u308b\u30d5\u30ec\u30fc\u30e0\u306f1\u3064\u3060\u3051\u306e\u306f\u305a\u3067\u3059\u3002\u56f324\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u3053\u306e\u30d5\u30ec\u30fc\u30e0\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"1950\" height=\"1322\"  class=\"wp-image-102644 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96.jpeg 1950w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96-300x203.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96-1024x694.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96-768x521.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96-1536x1041.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96-900x610.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-96-370x251.jpeg 370w\" sizes=\"(max-width: 1950px) 100vw, 1950px\" \/><span style=\"font-size: 10pt;\"><em>\u56f324 Windows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u542b\u307e\u308c\u308b\u30d5\u30ec\u30fc\u30e0\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u8a2d\u5b9a\u3002\u3053\u306e\u7d50\u679c\u8868\u793a\u3055\u308c\u305f\u30d5\u30ec\u30fc\u30e0\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3059\u308b<\/em><\/span><\/p>\n<p>TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u306f\u3001\u56f325\u306b\u793a\u3059\u3088\u3046\u306b\u3001GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u3068URL\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"2006\" height=\"1416\"  class=\"wp-image-102646 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97.jpeg 2006w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97-300x212.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97-1024x723.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97-768x542.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97-1536x1084.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97-900x635.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-97-370x261.jpeg 370w\" sizes=\"(max-width: 2006px) 100vw, 2006px\" \/><em>\u56f325 TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306eURL\u60c5\u5831\u3002\u3053\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306eURL\u60c5\u5831\u3068\u3053\u306eURL\u304c\u8fd4\u3059\u306e\u304cWindows\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3068\u3044\u3046\u75d5\u8de1\u304c\u78ba\u8a8d\u3067\u304d\u308b<\/em><\/span><\/p>\n<p><strong>\u8cea\u554f2: <\/strong> \u521d\u671fUrsnif\u30d0\u30a4\u30ca\u30ea\u9001\u4fe1\u5f8c\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u306fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u7528\u306b\u5225\u30c9\u30e1\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u305f\u304c\u3001\u901a\u4fe1\u306e\u6210\u529f\u306b\u3088\u308a\u611f\u67d3\u306e\u7d99\u7d9a\u3092\u53ef\u80fd\u306b\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u4f55\u3068\u3044\u3046\u30c9\u30e1\u30a4\u30f3\u3060\u3063\u305f\u304b<\/p>\n<p><strong>\u7b54\u3048:<\/strong> k55gaisi[.]com<\/p>\n<p>\u300c <strong><em>basic<\/em><\/strong> \u300dweb\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3059\u308c\u3070web\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5185\u5bb9\u304c\u5927\u307e\u304b\u306b\u3064\u304b\u3081\u308b\u3067\u3057\u3087\u3046\u3002Ursnif\u306e\u3053\u306e\u4e9c\u7a2e\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u300cGET \/images\/\u300d\u304b\u3089\u59cb\u307e\u308b\u306e\u306f\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u4f8b2\u301c4\u3067\u898b\u3066\u304d\u305f\u3068\u304a\u308a\u3067\u3059\u3002k55gaisi[.]com\u3078\u306e\u6700\u521d\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u304c15:36 UTC\u306b\u767a\u751f\u3057\u3066\u3044\u307e\u3059(\u56f326\u53c2\u7167)\u3002\u305f\u3060\u3057\u3001TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3059\u308b\u3068\u3001\u5fdc\u7b54\u3068\u3057\u3066\u300c404 Not Found\u300d\u304c\u8fd4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2496\" height=\"1606\"  class=\"wp-image-102648 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98.jpeg 2496w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-300x193.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-1024x659.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-768x494.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-1536x988.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-2048x1318.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-900x579.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-98-370x238.jpeg 370w\" sizes=\"(max-width: 2496px) 100vw, 2496px\" \/><span style=\"font-size: 10pt;\"><em>\u56f326 Ursnif\u304c\u751f\u6210\u3057\u305fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306eweb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u7d22\u3002k55gaisi[.]com\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u306f\u300c404 Not Found\u300d\u304c\u8fd4\u308abon11ljgarry[.]com\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306fwww.search-error[.]com\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b<\/em><\/span><\/p>\n<p>\u307e\u305f\u3001\u3053\u308c\u3082\u56f326\u306b\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001Ursnif\u306e\u5f62\u5f0f\u3092\u8e0f\u8972\u3057\u305fURL\u306b\u5bfe\u3059\u308b\u6b21\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001bon11ljgarry[.]com\u306b\u5bfe\u3059\u308b\u3082\u306e\u3067\u300115:37 UTC\u306b\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306eHTTP\u30b9\u30c8\u30ea\u30fc\u30e0\u304b\u3089\u306f\u3001www.search-error[.]com\u3068\u3044\u3046URL\u3078\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068\u3001\u540c\u69d8\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306fleinwqoa[.]com\u306b\u5bfe\u3057\u3066\u3082\u767a\u751f\u3057\u3066\u3044\u307e\u3059(\u56f327\u53c2\u7167)\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2480\" height=\"1542\"  class=\"wp-image-102650 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99.jpeg 2480w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-300x187.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-1024x637.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-768x478.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-1536x955.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-2048x1273.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-900x560.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-99-370x230.jpeg 370w\" sizes=\"(max-width: 2480px) 100vw, 2480px\" \/><span style=\"font-size: 10pt;\"><em>\u56f327 \u300c\u691c\u7d22\u30a8\u30e9\u30fc\u30da\u30fc\u30b8(www.search-error[.]com)\u300d\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308bUrsnif\u5f62\u5f0f\u306eURL\u304c\u307b\u304b\u306b\u3082\u898b\u3064\u304b\u308b<\/em><\/span><\/p>\n<p>\u3055\u3089\u306b\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068200 OK\u5fdc\u7b54\u3092\u8fd4\u3057\u3066\u3044\u308bk55gaisi[.]com\u3078\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u304c4\u3064\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u6642\u70b9\u304b\u3089Ursnif\u306e\u611f\u67d3\u304c\u9032\u884c\u3057\u3001GET \/images\/\u3067\u59cb\u307e\u308bUrsnif\u5f62\u5f0f\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u305d\u308c\u4ee5\u4e0a\u306f\u898b\u3064\u304b\u3089\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2494\" height=\"1542\"  class=\"wp-image-102652 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100.jpeg 2494w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-300x185.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-1024x633.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-768x475.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-1536x950.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-2048x1266.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-900x556.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-100-370x229.jpeg 370w\" sizes=\"(max-width: 2494px) 100vw, 2494px\" \/><span style=\"font-size: 10pt;\"><em>\u56f328 \u300c200 OK\u300d\u3092\u8fd4\u3059Ursnif\u5f62\u5f0f\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u898b\u3064\u304b\u308b<\/em><\/span><\/p>\n<p><strong>\u8cea\u554f3:<\/strong> Ursnif\u304c\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u305f\u304b<\/p>\n<p><strong>\u7b54\u3048:<\/strong> n9maryjanef[.]com<\/p>\n<p>\u3044\u3063\u305f\u3093\u6c38\u7d9a\u5316\u3059\u308c\u3070\u3001Ursnif\u5f62\u5f0f\u306e GET \/images\/\u3067\u59cb\u307e\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u751f\u6210\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u4ee3\u308f\u308a\u3001Ursnif\u95a2\u9023\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u5f8c\u306eUrsnif\u5f62\u5f0fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u76f4\u5f8c\u3001\u56f329\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3057\u305f\u3088\u3046\u306b\u3001185.118.165[.]109\u4e0a\u3067n9maryjanef [.]com\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u3053\u308c\u306fUrsnif\u306b\u3088\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2500\" height=\"1337\"  class=\"wp-image-102654 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101.jpeg 2500w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-300x160.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-1024x548.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-768x411.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-1536x821.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-2048x1095.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-900x481.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-101-370x198.jpeg 370w\" sizes=\"(max-width: 2500px) 100vw, 2500px\" \/><span style=\"font-size: 10pt;\"><em>\u56f329 Ursnif\u306b\u3088\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/em><\/span><\/p>\n<p><em style=\"font-weight: bold;\">ip.addr eq 185.118.165.109<\/em> <strong>and<\/strong> <strong><em>ssl.handshake.type == 11 <\/em><\/strong>(Wireshark 3.x\u7cfb\u306f<strong><em>ip.addr eq 185.118.165.109 and tls.handshake.type == 11<\/em><\/strong>)\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b\u8a2d\u5b9a\u3057\u3001\u8a3c\u660e\u66f8\u767a\u884c\u8005\u306e\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3053\u308c\u304cUrsnif\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306b\u306f\u3001\u56f310\u306e\u4f8b2\u3068\u540c\u3058\u5185\u5bb9\u306e\u3082\u306e\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p><strong>\u8cea\u554f4:<\/strong> \u611f\u67d3Windows\u30db\u30b9\u30c8\u306b\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u305f .rar \u3067\u7d42\u308f\u308bURL\u306f\u4f55\u304b<\/p>\n<p><strong>\u7b54\u3048:<\/strong> hxxps:\/\/testedsolutionbe[.]com\/wp-content\/plugins\/apikey\/uaasdqweeeeqsd.rar<\/p>\n<p>\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u7528\u306bUrsnif\u304c\u751f\u6210\u3059\u308bHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f.rar\u3067\u7d42\u308f\u308b\u306e\u3067\u3001\u6b21\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u7528\u3059\u308c\u3070pcap\u4e0a\u306e\u3053\u306eURL\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><strong><em>http.request and ip contains .rar<\/em><\/strong><\/p>\n<p>\u3053\u306e\u7d50\u679c\u306f\u56f330\u306b\u793a\u3057\u305f\u5185\u5bb9\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2500\" height=\"1508\"  class=\"wp-image-102656 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102.jpeg 2500w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-300x181.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-1024x618.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-768x463.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-1536x927.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-2048x1235.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-900x543.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-102-370x223.jpeg 370w\" sizes=\"(max-width: 2500px) 100vw, 2500px\" \/><span style=\"font-size: 10pt;\"><em>\u56f330 Ursnif\u611f\u67d3\u3067\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30de\u30eb\u30a6\u30a7\u30a2\u7528\u306eURL\u3092\u898b\u3064\u3051\u308b<\/em><\/span><\/p>\n<p>\u3053\u306e\u56f330\u3067\u306fHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u304cHTTPS URL\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u3066\u3044\u308b\u69d8\u5b50\u3092\u3088\u304f\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u8cea\u554f6:<\/strong> Dridex\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u4f7f\u7528\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306f\u4f55\u304b<\/p>\n<p><strong>\u7b54\u3048:<\/strong> 185.99.133[.]38 \u3068 5.61.34[.]51<\/p>\n<p>\u3053\u308c\u3089IP\u30a2\u30c9\u30ec\u30b9\u306e1\u3064\u306f\u4f8b4\u306epcap\u306eDridex\u3068\u540c\u3058\u3067\u3001\u540c\u4e00\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002Dridex\u306e 185.99.133[.]38 \u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f\u3001\u4f8b4\u3067\u307f\u305f\u3082\u306e\u3068\u540c\u3058\u5f62\u5f0f\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u4e21IP\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001.rar\u3067\u7d42\u308f\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u542b\u307e\u306a\u3044HTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u7d9a\u3044\u3066\u767a\u751f\u3059\u308bHTTPS\/SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u7d22\u3059\u308b\u3068\u3001Dridex\u306b\u3088\u308b\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059(\u56f331\u53c2\u7167)\u3002<\/p>\n<p style=\"text-align: center;\"><img width=\"2482\" height=\"1548\"  class=\"wp-image-102658 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103.jpeg\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103.jpeg 2482w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-300x187.jpeg 300w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-1024x639.jpeg 1024w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-768x479.jpeg 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-1536x958.jpeg 1536w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-2048x1277.jpeg 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-900x561.jpeg 900w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-103-370x231.jpeg 370w\" sizes=\"(max-width: 2482px) 100vw, 2482px\" \/><span style=\"font-size: 10pt;\"><em>\u56f331 \u4f8b5\u306epcap\u5185\u306eDridex\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u7d22\u3002URL\u672b\u5c3e\u304c.rar\u3067\u7d42\u308f\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5f8c\u3001Dridex\u306b\u3088\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u767a\u751f\u3059\u308b\u3002\u305d\u306e\u5f8c\u308d\u306b\u306f\u3001Ursnif\u306b\u3088\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b<\/em><\/span><\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Ursnif\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308bWindows\u306e\u611f\u67d3\u3092\u8abf\u3079\u308b\u30d2\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3057\u305f\u3002Ursnif\u306b\u3088\u308b\u6700\u8fd1\u306e\u6d3b\u52d5\u30b5\u30f3\u30d7\u30eb\u3092\u542b\u3080pcap\u306f <a href=\"https:\/\/www.malware-traffic-analysis.net\">malware-traffic-analysis.net<\/a>\u306b\u3082\u591a\u6570\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u300eWireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7\u300f\u30b7\u30ea\u30fc\u30ba\u306e\u4ee5\u524d\u306e\u8b1b\u5ea7\u306f\u4ee5\u4e0b\u304b\u3089\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/unit42-customizing-wireshark-changing-column-display\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 1: Wireshark\u306e\u8868\u793a\u5217\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 2: 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Trickbot\u611f\u67d3\u306e\u8abf\u67fb<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 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