{"id":127075,"date":"2023-02-27T17:46:52","date_gmt":"2023-02-28T01:46:52","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=127075"},"modified":"2025-08-25T04:18:05","modified_gmt":"2025-08-25T11:18:05","slug":"feb-wireshark-quiz-answers","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/feb-wireshark-quiz-answers\/","title":{"rendered":"Unit 42 Wireshark \u30af\u30a4\u30ba 2023\u5e742\u6708: \u89e3\u7b54\u7de8"},"content":{"rendered":"<h2><a id=\"post-127075-_4lt92rr5muov\"><\/a>\u6982\u8981<\/h2>\n<p>\u672c\u7a3f\u306f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/feb-wireshark-quiz\/\">Unit 42 Wireshark\u30af\u30a4\u30ba 2023\u5e742\u6708<\/a>\u306e\u89e3\u7b54\u7de8\u3067\u3059\u3002\u672c\u7a3f\u306e\u60c5\u5831\u306f\u3001Active Directory(AD)\u74b0\u5883\u3067\u7591\u308f\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u8abf\u67fb\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8 \u30ad\u30e3\u30d7\u30c1\u30e3(pcap)\u306e\u78ba\u8a8d\u3092\u696d\u52d9\u3067\u884c\u3063\u3066\u304a\u3089\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u3092\u8aad\u8005\u3068\u3057\u3066\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3069\u306a\u305f\u3067\u3082\u3054\u78ba\u8a8d\u3044\u305f\u3060\u3051\u307e\u3059\u3002<a href=\"https:\/\/www.wireshark.org\/\">Wireshark<\/a>\u306b\u3042\u308b\u7a0b\u5ea6\u306a\u3058\u307f\u304c\u3042\u308a\u3001\u57fa\u672c\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u8aad\u8005\u306e\u307f\u306a\u3055\u3093\u306b\u3068\u3063\u3066\u3001\u3082\u3063\u3068\u3082\u52b9\u679c\u7684\u306a\u5185\u5bb9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u3092\u5148\u306b\u3054\u89a7\u306b\u306a\u308a\u305f\u3044\u304b\u305f\u306f\u3053\u3061\u3089\u306e<a href=\"https:\/\/unit42.paloaltonetworks.jp\/feb-wireshark-quiz\/\">\u554f\u984c\u7de8<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 35%;\"><b>\u95a2\u9023\u3059\u308bUnit 42\u306e\u30c8\u30d4\u30c3\u30af<\/b><\/td>\n<td style=\"width: 100%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/pcap-ja\/\"><b>pcap<\/b><\/a><b>, <\/b><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/qakbot-ja\/\"><b>Qakbot<\/b><\/a><b>, <\/b><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/qbot-ja\/\"><b>Qbot<\/b><\/a><b>, <\/b><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/spambot-ja\/\"><b>spambot<\/b><\/a> <a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/vnc-ja\/\"><b>VNC<\/b><\/a><b>, <\/b><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/wireshark-ja\/\"><b>Wireshark<\/b><\/a><b>, <\/b><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/wireshark-tutorial-ja\/\"><b>Wireshark Tutorial<\/b><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-127075-_ob2qe7xczcog\"><\/a>\u30b7\u30ca\u30ea\u30aa \/ \u524d\u63d0\u6761\u4ef6 \/ \u6559\u6750<\/h2>\n<p>\u4eca\u6708\u306eWireshark\u30af\u30a4\u30ba\u306epcap\u306f\u3042\u308bActive Directory\u74b0\u5883\u304b\u3089\u53d6\u5f97\u3057\u305f\u3082\u306e\u3067\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30b7\u30df\u30e5\u30fc\u30ec\u30c8\u3057\u305f\u74b0\u5883\u304b\u3089\u53d6\u5f97\u3057\u305f\u5b9f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306epcap\u306b\u542b\u307e\u308c\u308b\u30ed\u30fc\u30ab\u30eb \u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (LAN) \u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>LAN\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u7bc4\u56f2: <span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]0\/24<\/span> (<span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]0<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]255<\/span>)<\/li>\n<li>\u30c9\u30e1\u30a4\u30f3: <span style=\"font-family: 'courier new', courier, monospace;\">work4us[.]org<\/span><\/li>\n<li>\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9: <span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]6<\/span><\/li>\n<li>\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u30db\u30b9\u30c8\u540d: <span style=\"font-family: 'courier new', courier, monospace;\">WORK4US-DC<\/span><\/li>\n<li>LAN\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4: <span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]1<\/span><\/li>\n<li>LAN\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9: <span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]255<\/span><\/li>\n<\/ul>\n<p>\u4eca\u6708\u306e\u30af\u30a4\u30ba\u306e\u8abf\u67fb\u306b\u306f<a href=\"https:\/\/www.wireshark.org\/\">Wireshark<\/a>\u304c\u5fc5\u8981\u3067\u3059\u3002\u672c\u7a3f\u3067\u306f\u6700\u8fd1\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306eWireShark\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u53e4\u304f\u3066\u30823.x\u4ee5\u964d\u306e\u5229\u7528\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u95a2\u3059\u308b\u57fa\u790e\u7684\u306a\u77e5\u8b58\u3092\u304a\u6301\u3061\u306e\u65b9\u3092\u8aad\u8005\u3068\u3057\u3066\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u3001Web\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6790\u3057\u3084\u3059\u3044\u3088\u3046\u3001Wireshark\u306e\u8868\u793a\u8a2d\u5b9a\u3092\u3042\u3089\u304b\u3058\u3081\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u305d\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/wireshark-workshop-videos\/\">\u3053\u3061\u3089\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3084\u30d3\u30c7\u30aa\u306e\u4e00\u89a7<\/a>\u3067\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002\u6bce\u5ea6\u306e\u3053\u3068\u3067\u3059\u304c\u3001Windows\u30d9\u30fc\u30b9\u306e\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5206\u6790\u306b\u306f\u3001BSD\u3001Linux\u3001macOS\u306a\u3069\u3001Windows\u4ee5\u5916\u306e\u74b0\u5883\u306e\u5229\u7528\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u306epcap\u306f<a href=\"https:\/\/github.com\/pan-unit42\/Wireshark-quizzes\/blob\/main\/2023-02-Unit42-Wireshark-quiz.pcap.zip\">\u3053\u3061\u3089\u306eGitHub\u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u304b\u3089\u5165\u624b\u3057\u3066\u304f\u3060\u3055\u3044\u3002ZIP\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089pcap\u3092\u5c55\u958b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5c55\u958b\u7528\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u300c<em>infected<\/em>\u300d\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-127075-_jtlacam6yh9k\"><\/a>\u554f\u984c<\/h2>\n<p>\u4eca\u6708\u306eWireshark\u30af\u30a4\u30ba\u306f\u53c2\u52a0\u8005\u306b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u95a2\u3059\u308b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u306e\u4f5c\u6210\u3092\u6c42\u3081\u308b\u3082\u306e\u3067\u3057\u305f\u3002\u554f\u984c\u7de8\u306f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/feb-wireshark-quiz\/\">2023\u5e742\u6708\u306e\u3053\u3061\u3089\u306e\u6295\u7a3f<\/a>\u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e3\u3064\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u542b\u3093\u3067\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6982\u8981: <\/strong>\u7c21\u6f54\u660e\u77ad\u306b\u4f55\u304c\u767a\u751f\u3057\u305f\u304b\u3092\u8ff0\u3079\u308b(\u3044\u3064\u30fb\u8ab0\u304c\u30fb\u4f55\u3092\u3057\u305f\u304b)<\/li>\n<li><strong>\u88ab\u5bb3\u8005\u306e\u8a73\u7d30: <\/strong>\u88ab\u5bb3\u8005\u306eIP\u30a2\u30c9\u30ec\u30b9\u3001MAC\u30a2\u30c9\u30ec\u30b9\u3001Windows\u30db\u30b9\u30c8\u540d\u3001Windows\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u540d<\/li>\n<li><strong>IoC(\u4fb5\u5bb3\u306e\u75d5\u8de1): <\/strong>\u611f\u67d3\u3068\u95a2\u4fc2\u3057\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u30c9\u30e1\u30a4\u30f3\u3001URL\u611f\u67d3\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u3092pcap\u304b\u3089\u62bd\u51fa\u3067\u304d\u308b\u5834\u5408\u306f\u305d\u306eSHA256\u30cf\u30c3\u30b7\u30e5<\/li>\n<\/ul>\n<h2><a id=\"post-127075-_3izf8ryqd57r\"><\/a>\u89e3\u7b54<\/h2>\n<p>\u3053\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u306f\u4ee5\u4e0b\u306eWrite-up\u306e\u3088\u3046\u306a\u5185\u5bb9\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u6982\u8981:<\/p>\n<p style=\"padding-left: 40px;\">2023-02-03 17:04 UTC\u3001Damon Bauer\u4f7f\u7528\u306eWindows\u30db\u30b9\u30c8\u304cQuakbot(Qbot)\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3002\u540cQakbot\u611f\u67d3\u306f\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3078\u4f1d\u64ad\u3057\u305f\u53ef\u80fd\u6027\u3042\u308a\u3002<\/p>\n<p>\u88ab\u5bb3\u8005\u306e\u8a73\u7d30:<\/p>\n<ul>\n<li>IP\u30a2\u30c9\u30ec\u30b9: <span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]149<\/span><\/li>\n<li>MAC\u30a2\u30c9\u30ec\u30b9: <span style=\"font-family: 'courier new', courier, monospace;\">00:21:5d:9e:42:fb<\/span><\/li>\n<li>\u30db\u30b9\u30c8\u540d: <span style=\"font-family: 'courier new', courier, monospace;\">DESKTOP-E7FHJS4<\/span><\/li>\n<li>Windows\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u540d: <span style=\"font-family: 'courier new', courier, monospace;\">damon.bauer<\/span><\/li>\n<\/ul>\n<p>IoC:<\/p>\n<p>\u60aa\u610f\u306e\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/p>\n<ul>\n<li>\u30dd\u30fc\u30c8\u756a\u53f7 <span style=\"font-family: 'courier new', courier, monospace;\">80<\/span> - <span style=\"font-family: 'courier new', courier, monospace;\">hxxp:\/\/128.254.207[.]55\/86607.dat<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">102.156.32[.]143:443<\/span> - HTTPS\/SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">208.187.122[.]74:443<\/span> - HTTPS\/SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">5.75.205[.]43:443<\/span> - HTTPS\/SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">23.111.114[.]52:65400<\/span> - TCP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">78.31.67[.]7:443<\/span> - TCP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af(VNC\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3)<\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">\u3055\u307e\u3056\u307e\u306aIP\u30a2\u30c9\u30ec\u30b9(25\/tcp\u304a\u3088\u3073465\/tcp) - \u3055\u307e\u3056\u307e\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\u306e\u30b5\u30fc\u30d0\u30fc\u3078\u306eSMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/span><\/li>\n<li>\u611f\u67d3Windows\u30db\u30b9\u30c8\u304b\u3089\u306eARP\u30b9\u30ad\u30e3\u30f3<\/li>\n<li>\u611f\u67d3Windows\u30db\u30b9\u30c8\u3068\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u306eSMB\u7d4c\u7531\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/li>\n<\/ul>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2:<\/p>\n<ul>\n<li>SHA256\u30cf\u30c3\u30b7\u30e5: <span style=\"font-family: 'courier new', courier, monospace;\">713207d9d9875ec88d2f3a53377bf8c2d620147a4199eb183c13a7e957056432<\/span><\/li>\n<li>\u30d5\u30a1\u30a4\u30eb \u30b5\u30a4\u30ba: 1,761,280\u30d0\u30a4\u30c8<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240: <span style=\"font-family: 'courier new', courier, monospace;\">hxxp:\/\/128.254.207[.]55\/86607.dat<\/span><\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u8aac\u660e: \u60aa\u610f\u306e\u3042\u308b32\u30d3\u30c3\u30c8DLL\u30d5\u30a1\u30a4\u30eb(Qakbot)<\/li>\n<li>\u5b9f\u884c\u65b9\u6cd5: <span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span> <em>[filename]<\/em>,<span style=\"font-family: 'courier new', courier, monospace;\">Wind<\/span><\/li>\n<li>\u30b5\u30f3\u30d7\u30eb: <a href=\"https:\/\/bazaar.abuse.ch\/sample\/713207d9d9875ec88d2f3a53377bf8c2d620147a4199eb183c13a7e957056432\/\">MalwareBazaar<\/a>\u3067\u5165\u624b\u53ef\u80fd<\/li>\n<\/ul>\n<h2><a id=\"post-127075-_vetnh42c57fg\"><\/a>Pcap\u89e3\u6790: \u88ab\u5bb3\u8005\u306e\u8a73\u7d30<\/h2>\n<p>\u3053\u3053\u3067\u306f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/wireshark-workshop-videos\/\">\u3053\u3061\u3089\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3084\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u306e\u30d3\u30c7\u30aa\u306b\u5f93\u3063\u3066<\/a>Wireshark\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u89e3\u6790\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u88ab\u5bb3\u8005\u306e\u8a73\u7d30\u3092\u7279\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4eca\u56de\u306epcap\u306b\u5171\u901a\u3057\u3066\u767b\u5834\u3059\u308b\u5185\u90e8\u306e\u975e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0IP\u30a2\u30c9\u30ec\u30b9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]149<\/span>\u3067\u3059\u3002\u3053\u308c\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001Wireshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30d6\u30ed\u30b0(\u300eWireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 2: \u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u306b\u5f79\u7acb\u3064\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u8a2d\u5b9a\u300f)\u3067\u89e3\u8aac\u3057\u305f\u300cbasic\u300d\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001Wireshark\u306e[Filter (\u30d5\u30a3\u30eb\u30bf)]\u30c4\u30fc\u30eb\u30d0\u30fc\u306b\u4ee5\u4e0b\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">(http.request or tls.handshake.type eq 1) and !(ssdp)<\/span><\/p>\n<p>[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u306b\u8868\u793a\u3055\u308c\u308b\u7d50\u679c\u304b\u3089\u63a5\u7d9a\u5143IP (Source IP)\u30a2\u30c9\u30ec\u30b9\u304c<span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]149<\/span>\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u307e\u305f\u30d5\u30ec\u30fc\u30e0\u306e\u8a73\u7d30\u3092\u793a\u3059[Packet Details (\u30d1\u30b1\u30c3\u30c8\u8a73\u7d30)]\u30da\u30a4\u30f3 (\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6)\u304b\u3089\u3001\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\u3059\u308bMAC\u30a2\u30c9\u30ec\u30b9(Source MAC address)\u304c<span style=\"font-family: 'courier new', courier, monospace;\">00:21:5d:9e:42:fb<\/span>\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059(\u56f31)\u3002<\/p>\n<figure id=\"attachment_127022\" aria-describedby=\"caption-attachment-127022\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127022 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-2.jpeg\" alt=\"\u56f31\u306fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u3053\u3053\u3067\u306fweb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u5f8c\u306e\u63a5\u7d9a\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u5217(Src)\u3068\u63a5\u7d9a\u5143MAC\u30a2\u30c9\u30ec\u30b9\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"634\" \/><figcaption id=\"caption-attachment-127022\" class=\"wp-caption-text\">\u56f31. Web\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u88ab\u5bb3\u8005\u306eIP\u30a2\u30c9\u30ec\u30b9\u3001MAC\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3053\u306e\u307b\u304b\u3001Network Basic Input\/Output System (NetBIOS)\u3001Name Service (NBNS)\u3001Server Message Block (SMB)\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u3001\u88ab\u5bb3\u8005\u306eWindows\u30db\u30b9\u30c8\u540d\u304c\u308f\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067Wireshark\u306e[Filter (\u30d5\u30a3\u30eb\u30bf)]\u30c4\u30fc\u30eb\u30d0\u30fc\u306b\u4ee5\u4e0b\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">nbns or smb or smb2<\/span><\/p>\n<p>Windows 10\u306a\u3044\u3057Windows 11\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30db\u30b9\u30c8\u540d\u304c15\u6587\u5b57\u306e\u6587\u5b57\u5217\u3067\u3059\u3002\u3053\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u540d\u306f<span style=\"font-family: 'courier new', courier, monospace;\">DESKTOP-<\/span>\u3067\u59cb\u307e\u308a\u3001\u305d\u306e\u5f8c\u308d\u306b7\u6587\u5b57\u306eASCII\u6587\u5b57\u3067\u69cb\u6210\u3055\u308c\u308b\u82f1\u6570\u5b57\u306e\u6587\u5b57\u5217\u304c\u7d9a\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u5834\u5408\u3001[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u3068[Packet Details (\u30d1\u30b1\u30c3\u30c8\u8a73\u7d30)]\u30da\u30a4\u30f3\u3067Windows\u30db\u30b9\u30c8\u540d\u306e<span style=\"font-family: 'courier new', courier, monospace;\">DESKTOP-E7FHJS4<\/span>\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059(\u56f32)\u3002<\/p>\n<figure id=\"attachment_127024\" aria-describedby=\"caption-attachment-127024\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127024 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-3.jpeg\" alt=\"\u753b\u50cf2\u306fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5185\u306eWindows\u30db\u30b9\u30c8\u540d\u306e\u7279\u5b9a\u306e\u3057\u304b\u305f(\u77e2\u5370\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a)\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"576\" \/><figcaption id=\"caption-attachment-127024\" class=\"wp-caption-text\">\u56f32. NBNS\/SMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5185\u3067Windows\u30db\u30b9\u30c8\u540d\u3092\u898b\u3064\u3051\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u30e6\u30fc\u30b6\u30fc \u30ed\u30b0\u30a4\u30f3\u6642\u306b\u751f\u6210\u3055\u308c\u308bKerberos\u8a8d\u8a3c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304cpcap\u306b\u542b\u307e\u308c\u3066\u3044\u308c\u3070\u3001\u305d\u3053\u304b\u3089Windows\u30e6\u30fc\u30b6\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u304c\u308f\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">kerberos.CNameString<\/span>\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u3001[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u3067\u7d50\u679c\u3092\u4e00\u756a\u4e0b\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3001[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u306e\u6700\u7d42\u884c\u3042\u305f\u308a\u306e\u3044\u305a\u308c\u304b1\u884c\u9078\u629e\u3057\u307e\u3059\u3002[Packet Details (\u30d1\u30b1\u30c3\u30c8\u8a73\u7d30)]\u30da\u30a4\u30f3\u5185\u3067Kerberos\u306e\u884c\u3092\u5c55\u958b\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u56f33\u306b\u3057\u305f\u304c\u3063\u3066<span style=\"font-family: 'courier new', courier, monospace;\">damon.bauer<\/span>\u3068\u3044\u3046\u5024\u3092\u6301\u3064<span style=\"font-family: 'courier new', courier, monospace;\">CNameString<\/span>\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u5024\u3092\u5c55\u958b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_127026\" aria-describedby=\"caption-attachment-127026\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127026 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-4.jpeg\" alt=\"\u753b\u50cf3\u306f\u3001Wireshark\u3067CNameString\u5217\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305f\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001Kerberos\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u4e2d\u304b\u3089\u88ab\u5bb3\u8005\u306eWindow\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"596\" \/><figcaption id=\"caption-attachment-127026\" class=\"wp-caption-text\">\u56f33. Kerberos\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u4e2d\u304b\u3089\u88ab\u5bb3\u8005\u306eWindows\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u3092\u898b\u3064\u3051\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u300e<a href=\"https:\/\/unit42.paloaltonetworks.jp\/using-wireshark-identifying-hosts-and-users\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 3: \u30db\u30b9\u30c8\u3068\u30e6\u30fc\u30b6\u30fc\u3092\u7279\u5b9a\u3059\u308b<\/a>\u300f\u3067\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CNameString<\/span>\u306e\u5024\u3092\u9078\u3093\u3067\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8 \u30e1\u30cb\u30e5\u30fc\u306e[Apply as Column (\u5217\u3068\u3057\u3066\u9069\u7528)]\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001Wireshark\u306e\u8868\u793a\u306bCNameString\u5217\u3092\u8868\u793a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002CNameString\u3092\u5217\u3068\u3057\u3066\u9069\u7528\u3057\u305f\u7d50\u679c\u3092\u4e0a\u306e\u56f33\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-127075-_8hxk114p8ams\"><\/a>Pcap\u89e3\u6790: \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u7279\u5b9a<\/h2>\n<p>\u88ab\u5bb3\u8005\u306e\u8a73\u7d30\u60c5\u5831\u3092\u5f97\u305f\u5f8c\u306f\u300c\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3044\u3064\u59cb\u307e\u3063\u305f\u306e\u304b\u300d\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u307e\u305a\u5e73\u6587\u306eHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u4e0d\u5be9\u306aURL\u304c\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u300cbasic\u300d\u306eWeb\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u7de8\u96c6\u3057\u3066\u300c<span style=\"font-family: 'courier new', courier, monospace;\">tls.handshake.type eq 1<\/span>\u300d\u3092\u524a\u9664\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306b\u3088\u308a 80\/tcp\u3067\u884c\u308f\u308c\u3066\u3044\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3060\u3051\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u7de8\u96c6\u5f8c\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">http.request and !(ssdp)<\/span><\/p>\n<p>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u5f8c\u306bWireshark\u306b\u8868\u793a\u3055\u308c\u308b\u306e\u306f2\u884c\u3060\u3051\u3067\u3059\u30022\u884c\u76ee\u306e<span style=\"font-family: 'courier new', courier, monospace;\">cacerts.digicert[.]com<\/span>\u3078\u306eHTTP GET \u30ea\u30af\u30a8\u30b9\u30c8\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u304c\u751f\u6210\u3059\u308b\u5178\u578b\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304bWeb\u30d6\u30e9\u30a6\u30ba\u4e2d\u306b\u5b9a\u671f\u7684\u306b\u898b\u3089\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>1\u884c\u76ee\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f(FQDN\u306b\u5bfe\u3057\u3066\u3067\u306f\u306a\u304f)IP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3059\u308b\u3082\u306e\u3067\u304b\u306a\u308a\u7591\u308f\u3057\u3044\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7591\u308f\u3057\u3044<span style=\"font-family: 'courier new', courier, monospace;\">128.254.207[.]55<\/span>\u306b\u5bfe\u3059\u308b<span style=\"font-family: 'courier new', courier, monospace;\">86607.dat<\/span>\u3092\u8981\u6c42\u3057\u3066\u3044\u308bHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9078\u629e\u3057\u3001\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30e1\u30cb\u30e5\u30fc\u3092[Follow (\u8ffd\u8de1)]\u3001[TCP Stream (TCP\u30b9\u30c8\u30ea\u30fc\u30e0)]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u306f\u6700\u4f4e\u9650\u306e\u30ea\u30af\u30a8\u30b9\u30c8 \u30d8\u30c3\u30c0\u30fc\u3057\u304b\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3082\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306fWindows\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb(<span style=\"font-family: 'courier new', courier, monospace;\">.exe<\/span>)\u304bDLL\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3057\u3066\u304d\u3066\u3044\u307e\u3059(\u56f34)\u3002<\/p>\n<figure id=\"attachment_127028\" aria-describedby=\"caption-attachment-127028\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127028 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-5.jpeg\" alt=\"\u56f34\u306fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u8ffd\u8de1\u624b\u9806\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u304b\u3089\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8 \u30d8\u30c3\u30c0\u30fc\u306eUser-Agent\u306fcurl\u3067\u3042\u308b\u3053\u3068\u306e\u307b\u304b\u3001\u5185\u5bb9\u304cWindows\u306e.exe\u30d5\u30a1\u30a4\u30eb\u306a\u3044\u3057.dll\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002 \" width=\"900\" height=\"567\" \/><figcaption id=\"caption-attachment-127028\" class=\"wp-caption-text\">\u56f34. \u975e\u5e38\u306b\u7591\u308f\u3057\u3044<span style=\"font-family: georgia, palatino, serif;\">80\/tcp<\/span> \u4e0a\u306eHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/figcaption><\/figure>\n<p>Wireshark\u306e[File (\u30d5\u30a1\u30a4\u30eb)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Export Objects (\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8)]\u3001[HTTP]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001pcap\u304b\u3089<span style=\"font-family: 'courier new', courier, monospace;\">86607.dat<\/span>\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u307e\u3059(\u56f35\u53c2\u7167)\u3002<\/p>\n<p><figure id=\"attachment_127030\" aria-describedby=\"caption-attachment-127030\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127030 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-6.jpeg\" alt=\"\u753b\u50cf5\u306fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001[File (\u30d5\u30a1\u30a4\u30eb)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089HTTP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"549\" \/><figcaption id=\"caption-attachment-127030\" class=\"wp-caption-text\">\u56f35. Wireshark\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u6a5f\u80fd\u3092\u4f7f\u3063\u3066<span style=\"font-family: 'courier new', courier, monospace;\">128.254.207[.]55<\/span>\u304c\u8fd4\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>Linux\u304bmacOS\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u5225\u3092\u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u3068<span style=\"font-family: 'courier new', courier, monospace;\">file<\/span>\u30b3\u30de\u30f3\u30c9\u3067\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">file<\/span>\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3059\u308b\u3068<span style=\"font-family: 'courier new', courier, monospace;\">86607.dat<\/span>\u306fWindows\u306eDLL\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059(\u56f36)\u3002SHA256\u30cf\u30c3\u30b7\u30e5\u3092<span style=\"font-family: 'courier new', courier, monospace;\">shasum -a 256<\/span>\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044(\u56f36)\u3002<\/p>\n<figure id=\"attachment_127032\" aria-describedby=\"caption-attachment-127032\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127032 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-7.jpeg\" alt=\"\u753b\u50cf6\u306f\u3001Linux\u306e\u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3068\u30cf\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u305f\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002 \" width=\"900\" height=\"226\" \/><figcaption id=\"caption-attachment-127032\" class=\"wp-caption-text\">\u56f36. Linux\u306e\u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3068SHA256\u30cf\u30c3\u30b7\u30e5\u3092\u7279\u5b9a\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>VirusTotal\u3067SHA256\u30cf\u30c3\u30b7\u30e5\u3092\u691c\u7d22\u3059\u308b\u3068\u8907\u6570\u306e\u30d9\u30f3\u30c0\u30fc\u304c<a href=\"https:\/\/www.virustotal.com\/gui\/file\/713207d9d9875ec88d2f3a53377bf8c2d620147a4199eb183c13a7e957056432\">\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u691c\u51fa<\/a>\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f<a href=\"https:\/\/bazaar.abuse.ch\/sample\/713207d9d9875ec88d2f3a53377bf8c2d620147a4199eb183c13a7e957056432\/\">MalwareBazaar\u306b\u3082\u63d0\u51fa\u3055\u308c<\/a>\u3001\u300cQakbot\u300d\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308bURL\u3082<a href=\"https:\/\/urlhaus.abuse.ch\/url\/2532269\/\">URLhaus\u3067Qakbot\u3068\u78ba\u8a8d\u3055\u308c\u3066<\/a>\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30bf\u30a4\u30d7\u306e\u5e73\u6587\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u901a\u5e38Qakbot\u306e\u611f\u67d3\u306b\u3088\u308b\u6700\u521d\u306e\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">86607.dat<\/span>\u3092\u8981\u6c42\u3059\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306f2023\u5e742\u67083\u65e5\u5348\u5f8c5\u66424\u5206 UTC\u306b\u767a\u751f\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u304c\u4eca\u56de\u306e\u611f\u67d3\u306e\u59cb\u307e\u3063\u305f\u6642\u523b\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-127075-_xvm26v9g156h\"><\/a>Pcap\u89e3\u6790: \u611f\u67d3\u5f8c\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/h2>\n<p>2020\u5e742\u6708\u306b\u79c1\u305f\u3061\u306f\u300e<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tutorial-qakbot-infection\/\">Wireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 7: Qakbot\u611f\u67d3\u306e\u8abf\u67fb<\/a>\u300f\u3068\u3044\u3046\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u516c\u958b\u3057\u3001\u305d\u306e\u306a\u304b\u3067Qakbot\u306e\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3082Qakbot\u306f\u9032\u5316\u3057\u3064\u3065\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u5909\u308f\u3089\u306a\u3044\u70b9\u3082\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002Qakbot\u306e\u611f\u67d3\u5f8c\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u95a2\u3059\u308b\u73fe\u5728\u306e\u8b58\u5225\u60c5\u5831\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u8a3c\u660e\u66f8\u306eissuer(\u767a\u884c\u8005)\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u6301\u3064\u81ea\u5df1\u7f72\u540d\u8a3c\u660e\u66f8\u3092\u4f7f\u3063\u3066IP\u30a2\u30c9\u30ec\u30b9\u306b\u76f4\u63a5HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u4fe1<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">vipsauna[.]com<\/span>\u3092\u8a50\u79f0\u3059\u308b\u81ea\u5df1\u7f72\u540d\u8a3c\u660e\u66f8\u3092\u4f7f\u3063\u305f\u76f4\u63a5IP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u305fHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li>\u4ee5\u524d\u30c4\u30a4\u30fc\u30c8\u3057\u305f<a href=\"https:\/\/twitter.com\/Unit42_Intel\/status\/1620531956504055812\">Qakbot\u306e\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/a>\u3068\u540c\u69d8\u3001\u8907\u6570\u306e\u6b63\u898f\u30c9\u30e1\u30a4\u30f3\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5229\u7528\u3057\u3066\u63a5\u7d9a\u6027\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">65400\/tcp<\/span>\u7d4c\u7531\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n<p>\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u611f\u67d3\u30db\u30b9\u30c8\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001\u6b63\u898f\u306eWeb\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070Qakbot\u306f\u904e\u53bb\u6570\u5e74\u3001\u3053\u306e\u63a5\u7d9a\u6027\u306e\u30c1\u30a7\u30c3\u30af\u306b<span style=\"font-family: 'courier new', courier, monospace;\">www.openssl[.]org<\/span>\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u30b5\u30a4\u30c8\u306f\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>Qakbot\u306b\u611f\u67d3\u5f8c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>SMTP (Simple Mail Transfer Protocol)\u7528\u30dd\u30fc\u30c8\u7d4c\u7531\u306e\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li>Cobalt Strike\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/li>\n<li>\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0(VNC)\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n<p>\u3053\u306e3\u7a2e\u985e\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u3055\u307e\u3056\u307e\u306a\u7d44\u307f\u5408\u308f\u305b\u3067\u78ba\u8a8d\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070<a href=\"https:\/\/twitter.com\/Unit42_Intel\/status\/1620531956504055812\">2023\u5e741\u6708<\/a>\u306bQakbot\u306b\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u304b\u3089\u306fCobalt Strike\u3068VNC\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3042\u308b\u7279\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u306b\u76f4\u63a5\u9001\u4fe1\u3055\u308c\u3066\u3044\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u6b21\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">tls.handshake.type eq 1 and !(tls.handshake.extension.type eq 0)<\/span><\/p>\n<p>\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3088\u308a\u3001\u5bfe\u5fdc\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u306a\u3044HTTPS\u306eWeb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059(\u56f37)\u3002<\/p>\n<figure id=\"attachment_127034\" aria-describedby=\"caption-attachment-127034\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127034 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-8.jpeg\" alt=\"\u753b\u50cf7\u306fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092Wireshark\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059(\u753b\u50cf\u3067\u306f\u7dd1\u8272\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059)\u3002 \" width=\"900\" height=\"535\" \/><figcaption id=\"caption-attachment-127034\" class=\"wp-caption-text\">\u56f37 \u76f4\u63a5IP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u308bHTTPS Web\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>Wireshark\u306e[Statistics (\u7d71\u8a08)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Endpoints (\u7d42\u7aef)]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001IPv4\u3067\u59cb\u307e\u308b\u30bf\u30d6\u3092\u958b\u3044\u3066\u3001[Limit to display filter (\u8868\u793a\u30d5\u30a3\u30eb\u30bf\u306b\u5236\u9650)]\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u3066\u5168IPv4\u30a2\u30c9\u30ec\u30b9\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u307e\u3059(\u56f38)\u3002<\/p>\n<p><figure id=\"attachment_127036\" aria-describedby=\"caption-attachment-127036\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127036 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-9.jpeg\" alt=\"\u753b\u50cf8\u306fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002[Statistics (\u7d71\u8a08)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Endpoints (\u7d42\u7aef)]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u7d50\u679c\u306e\u7d71\u8a08\u60c5\u5831\u3092\u898b\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"458\" \/><figcaption id=\"caption-attachment-127036\" class=\"wp-caption-text\">\u56f38. \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u7d50\u679c\u3002IPv4\u30a2\u30c9\u30ec\u30b9\u306e\u7d42\u7aef (Endpoints) \u306e\u7d71\u8a08\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\u3053\u306e\u7d50\u679c\u306f4\u3064\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306a\u308a\u307e\u3059\u30021\u3064\u306f\u611f\u67d3Windows\u30db\u30b9\u30c8\u304c\u6301\u3064\u5185\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u4ed6\u306e3\u3064\u306f\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7528\u306eQakbot\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002\u3053\u308c\u3089Qakbot C2\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u306f3\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">102.156.32[.]143<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">208.187.122[.]74<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">5.75.205[.]43<\/span><\/li>\n<\/ul>\n<p>pcap\u304b\u3089HTTPS\u8a3c\u660e\u66f8\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u3053\u308c\u3089\u304c\u5b9f\u969b\u306bQakbot\u306eC2\u30b5\u30fc\u30d0\u30fc\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u308c\u306b\u306f\u5404IP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u6b21\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3044\u307e\u3059(\u6ce8: \u4ee5\u4e0b\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u7b2c3\u30aa\u30af\u30c6\u30c3\u30c8\u30684\u30aa\u30af\u30c6\u30c3\u30c8\u3092\u533a\u5207\u308b\u30c9\u30c3\u30c8\u3092\u4e00\u90e8\u30d6\u30e9\u30b1\u30c3\u30c8\u3067\u56f2\u3063\u3066\u3044\u307e\u3059(\u4f8b: 192.0.2[.]3)\u3002\u3053\u308c\u306f\u672c\u7a3f\u304b\u3089\u8aa4\u3063\u3066\u60aa\u610f\u306e\u3042\u308bIP\u30a2\u30c9\u30ec\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3044\u305f\u3081\u306e\u5b89\u5168\u51e6\u7406\u306a\u306e\u3067\u3001\u305d\u306e\u307e\u307e\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u5165\u529b\u3059\u308b\u3068\u69cb\u6587\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002[Filter (\u30d5\u30a3\u30eb\u30bf)]\u30c4\u30fc\u30eb\u30d0\u30fc\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u30d6\u30e9\u30b1\u30c3\u30c8\u3092\u5916\u3057\u305fIP\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044)\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">tls.handshake.type eq 11 and ip.addr eq 102.156.32[.]143<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">tls.handshake.type eq 11 and ip.addr eq 208.187.122[.]74<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">tls.handshake.type eq 11 and ip.addr eq 5.75.205[.]43<\/span><\/li>\n<\/ul>\n<p>\u4e0a\u8a181\u3064\u3081\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092<span style=\"font-family: 'courier new', courier, monospace;\">102.156.32[.]143<\/span>\u306b\u5bfe\u3057\u3066\u4f7f\u3063\u3066\u3001\u7d50\u679c\u306e\u30d5\u30ec\u30fc\u30e0\u3092[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u3067\u9078\u629e\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u56f39\u306b\u3057\u305f\u304c\u3063\u3066[Packet Details (\u30d1\u30b1\u30c3\u30c8\u8a73\u7d30)]\u30da\u30a4\u30f3\u3067[Transport Layer Security]\u306e\u884c\u3092\u9078\u629e\u3057\u3001<span style=\"font-family: 'courier new', courier, monospace;\">rdnSequence<\/span>\u3068\u3044\u3046\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005(issuer)\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u884c\u3092\u5c55\u958b\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><figure id=\"attachment_127038\" aria-describedby=\"caption-attachment-127038\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127038 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-10.jpeg\" alt=\"\u753b\u50cf9\u306f\u3001\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306erdnSequence\u306e\u90e8\u5206\u3092\u8d64\u304f\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059(\u77e2\u5370\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059)\u3002\" width=\"900\" height=\"708\" \/><figcaption id=\"caption-attachment-127038\" class=\"wp-caption-text\">\u56f39. <span style=\"font-family: 'courier new', courier, monospace;\">102.156.32[.]143<\/span>\u306b\u30db\u30b9\u30c8\u3055\u308c\u305fQakbot C2\u30b5\u30fc\u30d0\u30fc\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf<\/figcaption><\/figure><span style=\"font-family: 'courier new', courier, monospace;\">102.156.32[.]143<\/span>\u306b\u30db\u30b9\u30c8\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-countryName=<strong>NL<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-stateOrProvinceName=<strong>TA<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-localityName=<strong>Lix Mngham<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-organizationName=<strong>Ardx Qcej Kudefrqoi Tqkofhsie<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-commonName=<strong>ujcbhafnfs.mobi<\/strong><\/span><\/li>\n<\/ul>\n<p>\u3069\u3046\u3084\u3089\u8a3c\u660e\u66f8\u767a\u884c\u8005\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u307b\u3068\u3093\u3069\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u30022\u3064\u3081\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001<span style=\"font-family: 'courier new', courier, monospace;\">208.187.122[.]74<\/span>\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u304c\u898b\u3064\u304b\u308b\u306f\u305a\u3067\u3059(\u56f310)\u3002<\/p>\n<p><figure id=\"attachment_127040\" aria-describedby=\"caption-attachment-127040\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127040 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-11.jpeg\" alt=\"\u753b\u50cf10\u306f\u3001\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306erdnSequence\u306e\u90e8\u5206\u3092\u8d64\u304f\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059(\u77e2\u5370\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059)\u3002\" width=\"900\" height=\"708\" \/><figcaption id=\"caption-attachment-127040\" class=\"wp-caption-text\">\u56f310. <span style=\"font-family: 'courier new', courier, monospace;\">208.187.122[.]74<\/span>\u306b\u30db\u30b9\u30c8\u3055\u308c\u305fQakbot C2\u30b5\u30fc\u30d0\u30fc\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf<\/figcaption><\/figure><span style=\"font-family: 'courier new', courier, monospace;\">208.187.122[.]74<\/span>\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-countryName=<strong>PT<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-stateOrProvinceName=<strong>OC<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-localityName=<strong>Ariy<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-organizationName=<strong>Stecisp Ondpsqg Ajfqkosna<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-commonName=<strong>ptvcdl.mobi<\/strong><\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">5.75.205[.]43<\/span>\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u3001\u307b\u304b\u306e2\u3064\u306eQakbot C2\u30b5\u30fc\u30d0\u30fc\u306e\u3082\u306e\u3068\u306f\u7570\u306a\u3063\u3066\u3044\u307e\u3059(\u56f311)\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-countryName=<strong>US<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-stateOrProvinceName=<strong>CA<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-localityName=<strong>Los Angeles<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-organizationName=<strong>vipsauna[.]com<\/strong><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">it-ad-commonName=<strong>vipsauna[.]com<\/strong><\/span><\/li>\n<\/ul>\n<p><figure id=\"attachment_127042\" aria-describedby=\"caption-attachment-127042\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127042 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-12.jpeg\" alt=\"\u753b\u50cf11\u306f\u3001\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306erdnSequence\u306e\u90e8\u5206\u3092\u8d64\u304f\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059(\u77e2\u5370\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059)\u3002\" width=\"900\" height=\"708\" \/><figcaption id=\"caption-attachment-127042\" class=\"wp-caption-text\">\u56f311 <span style=\"font-family: 'courier new', courier, monospace;\">5.75.205[.]43<\/span>\u306b\u30db\u30b9\u30c8\u3055\u308c\u305fQakbot C2\u30b5\u30fc\u30d0\u30fc\u306e\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf<\/figcaption><\/figure>\u3053\u306e\u8a3c\u660e\u66f8\u306f\u3001\u767a\u884c\u8005(issuer)\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u3092\u542b\u307e\u305a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">organizationName<\/span>\u30d5\u30a3\u30fc\u30eb\u30c9\u3068 <span style=\"font-family: 'courier new', courier, monospace;\">commonName<\/span>\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">vipsauna[.]com<\/span>\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u5b9f\u969b\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">vipsauna[.]com<\/span>\u304b\u3089\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u3053\u308c\u306f\u81ea\u5df1\u7f72\u540d\u8a3c\u660e\u66f8\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">vipsauna[.]com<\/span>\u306f2012\u5e74\u304b\u3089\u767b\u9332\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u304c\u3001\u904e\u53bb\u6570\u5e74\u9593\u3001\u3069\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u3082\u89e3\u6c7a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u540c\u3058\u8a3c\u660e\u66f8\u306e\u767a\u884c\u8005\u306b\u3064\u3044\u3066\u306f\u30012022\u5e74\u306b\u5c11\u306a\u304f\u3068\u30821\u3064\u3001<a href=\"https:\/\/isc.sans.edu\/diary\/aa+distribution+Qakbot+Qbot+infection+with+DarkVNC+traffic\/28568\">\u3079\u3064\u306eQakbot C2\u306eIP\u30a2\u30c9\u30ec\u30b9<\/a>\u3082\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Qakbot\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u6307\u6a19\u306f\u3082\u30461\u3064\u3042\u308a\u307e\u3059\u300265400\/tcp\u7d4c\u7531\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002\u3053\u306e\u78ba\u8a8d\u306b\u306f\u4ee5\u4e0b\u306eWireshark\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">tcp.port eq 65400 and tcp.flags eq 0x0002<\/span><\/p>\n<p>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u7d50\u679c\u306f\u56f312\u306e\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_127044\" aria-describedby=\"caption-attachment-127044\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127044 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-13.jpeg\" alt=\"\u753b\u50cf12\u306fTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u8ffd\u8de1\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3057\u305f\u5f8c\u306eQakbot\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8868\u793a\u3057\u305fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\" width=\"900\" height=\"475\" \/><figcaption id=\"caption-attachment-127044\" class=\"wp-caption-text\">\u56f312. 65400\/tcp\u7d4c\u7531\u306eQakbot\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u78ba\u8a8d\u3059\u308b<\/figcaption><\/figure>\n<p>\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306fIP\u30a2\u30c9\u30ec\u30b9\u306b<span style=\"font-family: 'courier new', courier, monospace;\">23.111.114[.]52<\/span>\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u304b\u3089\u306f\u3001\u611f\u67d3\u30db\u30b9\u30c8\u3092\u8b58\u5225\u3059\u308b\u6587\u5b57\u5217\u3068\u305d\u306e\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5192\u982d\u306e80\u30d0\u30a4\u30c8\u5185\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u3044\u3046\u3068\u3001\u611f\u67d3\u30db\u30b9\u30c8\u306e\u8b58\u5225\u6587\u5b57\u5217\u306f<span style=\"font-family: 'courier new', courier, monospace;\">jzbxct683972<\/span>\u3067\u3001\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u306f<span style=\"font-family: 'courier new', courier, monospace;\">71.167.93[.]52<\/span>\u3067\u3059\u3002\u306a\u304a\u3053\u306e\u60c5\u5831\u306f\u4eca\u6708\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u7528\u306bpcap\u3092\u7de8\u96c6\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30b5\u30cb\u30bf\u30a4\u30ba\u3057\u3066\u3042\u308a\u307e\u3059\u3002\u8b58\u5225\u6587\u5b57\u5217\u3082\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u3082\u5b9f\u969b\u306e\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2><a id=\"post-127075-_c8qt585xwl42\"><\/a>Pcap\u89e3\u6790: \u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u306e\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/h2>\n<p>\u3053\u308c\u307e\u3067\u306b\u591a\u6570\u306e\u5831\u544a\u304cQakbot\u3092\u3055\u307e\u3056\u307e\u306a\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u3068\u95a2\u9023\u4ed8\u3051\u3066\u304a\u308a\u3001\u6700\u8fd1\u3067\u306f<a href=\"https:\/\/www.cybereason.com\/blog\/threat-alert-aggressive-qakbot-campaign-and-the-black-basta-ransomware-group-targeting-u.s.-companies\">Black Basta\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u3068\u95a2\u9023\u4ed8\u3051<\/a>\u3089\u308c\u3066\u3044\u307e\u3059\u3002Qakbot\u306b\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u4e0a\u3067\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306fCobalt Strike\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3067\u8db3\u5834\u3092\u56fa\u3081\u3001\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u30e9\u30c6\u30e9\u30eb\u30e0\u30fc\u30d6\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u6708\u306epcap\u306b\u4f7f\u3063\u305fActive Directory\u74b0\u5883\u306f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306b\u3068\u3063\u3066\u4fa1\u5024\u306e\u9ad8\u3044\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3053\u3046\u3057\u305f\u74b0\u5883\u306eQakbot\u611f\u67d3\u3067\u3042\u3063\u3066\u3082\u3001Cobalt Strike\u3084VNC\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3001\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306a\u3069\u306e\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u6708\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306eQakbot\u611f\u67d3pcap\u306b\u306f\u3001\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8\u3068\u601d\u308f\u308c\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3084VNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>pcap\u3067\u6f5c\u5728\u7684\u306a\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001Wireshark\u3067<span style=\"font-family: 'courier new', courier, monospace;\">smtp<\/span>\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002\u3053\u306e\u7d50\u679c\u3001Wireshark\u306e[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u306b\u306f\u5e73\u6587\u306eSMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u8868\u793a\u3055\u308c\u307e\u3059(\u56f313)\u3002<\/p>\n<figure id=\"attachment_127046\" aria-describedby=\"caption-attachment-127046\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127046 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-14.jpeg\" alt=\"\u753b\u50cf13\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u5e73\u6587\u306eSMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u793a\u3057\u305fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\" width=\"900\" height=\"579\" \/><figcaption id=\"caption-attachment-127046\" class=\"wp-caption-text\">\u56f313. Wireshark\u3067SMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u901a\u5e38\u306eAD\u74b0\u5883\u306eWindows\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308c\u3070\u3001\u77ed\u6642\u9593\u3067\u591a\u6570\u306e\u7570\u306a\u308b\u516c\u958b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3088\u3046\u3068\u306f\u3057\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3053\u308c\u306f\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u793a\u3059\u3082\u306e\u3067\u3059\u3002\u4ee5\u4e0b\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u30fc\u3067SMTP\u63a5\u7d9a\u304c\u4f55\u56de\u767a\u751f\u3057\u305f\u304b\u3092\u5224\u5b9a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">smtp.req.command contains \"EHLO\"<\/span><\/p>\n<p>\u56f314\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_127048\" aria-describedby=\"caption-attachment-127048\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127048 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-15.jpeg\" alt=\"\u753b\u50cf14\u306fSMTP\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u3055\u3089\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u7d50\u679c\u3092\u793a\u3059Wireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002 \" width=\"900\" height=\"326\" \/><figcaption id=\"caption-attachment-127048\" class=\"wp-caption-text\">\u56f314 SMTP\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u3055\u3089\u306b\u7d5e\u308a\u8fbc\u3093\u3060\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u3089\u306f\u3001\u3053\u306e\u611f\u67d3Windows\u30db\u30b9\u30c8\u304c\u304a\u3088\u305d10\uff5e11\u5206\u306e\u9593\u306b\u5c11\u306a\u304f\u3068\u30825\u53f0\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u306e\u7d50\u679c\u306f\u5e73\u6587\u306eSMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3001SMTP\u63a5\u7d9a\u306e\u78ba\u7acb\u5f8c\u306b\u6697\u53f7\u5316\u3092\u884c\u3063\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u307f\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3046\u3068\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u3088\u308a\u6b63\u78ba\u306a\u6307\u6a19\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">tls.handshake.type eq 1 and (tcp.port eq 25 or tcp.port eq 465 or tcp.port eq 587<\/span><\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u56f315\u306e\u3088\u3046\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<figure id=\"attachment_127050\" aria-describedby=\"caption-attachment-127050\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127050 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-16.jpeg\" alt=\"\u753b\u50cf15\u306f\u3001TLS\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u30e1\u30fc\u30eb \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6307\u5b9a\u3092\u6539\u826f\u3057\u305fWireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002 \" width=\"900\" height=\"551\" \/><figcaption id=\"caption-attachment-127050\" class=\"wp-caption-text\">\u56f315. TLS\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3053\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001SMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3082\u3063\u3068\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b3\u3064\u306e\u30dd\u30fc\u30c8(25\/tcp\u3001465\/tcp\u3001587\/tcp)\u4e0a\u306eTLS\u63a5\u7d9a\u3092\u691c\u7d22\u3057\u307e\u3059\u3002\u3053\u306e\u6539\u826f\u3057\u305f\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u3089\u306f\u3001\u304a\u3088\u305d19\u301c20\u5206\u306e\u9593\u306b\u5c11\u306a\u304f\u3068\u308225\u53f0\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059(\u56f315)\u3002\u3053\u308c\u304c\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u6307\u6a19\u3067\u3042\u308b\u3053\u3068\u304c\u3055\u3089\u306b\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u56f316\u3092\u53c2\u8003\u306b\u3057\u3066\u3001[File (\u30d5\u30a1\u30a4\u30eb)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Export Objects (\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8)]\u3001[IMF]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3001\u5e73\u6587\u306eSMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u9001\u4fe1\u3055\u308c\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6b8b\u5ff5\u306a\u304c\u3089\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u53ef\u80fd\u306a\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8\u30e1\u30fc\u30eb\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_127052\" aria-describedby=\"caption-attachment-127052\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127052 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-17.jpeg\" alt=\"\u753b\u50cf16\u306f\u3001Wireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002[File (\u30d5\u30a1\u30a4\u30eb)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Export Objects (\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8)]\u3001[IMF]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3001\u5e73\u6587\u306eSMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u9001\u4fe1\u3055\u308c\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u3082\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u306f\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u3088\u3046\u3059\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"551\" \/><figcaption id=\"caption-attachment-127052\" class=\"wp-caption-text\">\u56f316. \u5e73\u6587SMTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u306e\u30e1\u30fc\u30eb \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u304c\u3067\u304d\u306a\u3044<\/figcaption><\/figure>\n<h2><a id=\"post-127075-_vroblksj8hhg\"><\/a>Pcap\u89e3\u6790: \u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u306eVNC\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/h2>\n<p>VNC\u306f\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u5171\u6709\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u30ea\u30e2\u30fc\u30c8 \u30d5\u30ec\u30fc\u30e0 \u30d0\u30c3\u30d5\u30a1(RFB)\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3063\u3066\u307b\u304b\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002VNC\u306e\u5b9f\u884c\u8005\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8d8a\u3057\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u3084\u30de\u30a6\u30b9\u306e\u5165\u529b\u3092\u5bfe\u8c61\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u9001\u4fe1\u3057\u3001\u305d\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304b\u3089\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u66f4\u65b0\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>VNC\u306f\u6b63\u5f53\u306a\u76ee\u7684\u3067\u3082\u5229\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u611f\u67d3Windows\u30db\u30b9\u30c8\u3092\u60aa\u8cea\u306a\u76ee\u7684\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u3082\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u4eca\u6708\u306epcap\u304b\u3089\u306f\u3053\u3046\u3057\u305fVNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u306e\u3068\u3053\u308d\u6570\u30f6\u6708\u9593\u306f\u3001Qakbot\u611f\u67d3\u306b\u3088\u308bVNC\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c<span style=\"font-family: 'courier new', courier, monospace;\">78.31.67[.]7:443\/tcp<\/span>\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u3002Wireshark\u3067\u6b21\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u6307\u5b9a\u3057\u3066\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u3064\u3051\u3066\u307f\u307e\u3057\u3087\u3046 (\u6ce8\u610f: \u3053\u3053\u3067\u3082IP\u30a2\u30c9\u30ec\u30b9\u306e\u7b2c3\u30aa\u30af\u30c6\u30c3\u30c8\u3068\u7b2c4\u30aa\u30af\u30c6\u30c3\u30c8\u306e\u9593\u306e\u30c9\u30c3\u30c8\u3092\u56f2\u3046\u30d6\u30e9\u30b1\u30c3\u30c8[]\u306f\u5165\u529b\u4e0d\u8981\u3067\u3059)\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">ip.addr eq 78.31.67[.]7 and tcp.flags eq 0x0002<\/span><\/p>\n<p>\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u306f\u3001VNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e2\u3064\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u59cb\u307e\u308b\u4f4d\u7f6e\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059(\u56f317)\u3002<\/p>\n<figure id=\"attachment_127054\" aria-describedby=\"caption-attachment-127054\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127054 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-18.jpeg\" alt=\"\u753b\u50cf17\u306eWireshark\u306e3\u679a\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306fQakbot\u611f\u67d3\u306b\u3088\u308bVNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3078\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u30682\u3064\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"524\" \/><figcaption id=\"caption-attachment-127054\" class=\"wp-caption-text\">\u56f317 Qakbot\u611f\u67d3\u306b\u3088\u308bVNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/figcaption><\/figure>\n<p>\u3053\u306epcap\u306eVNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f2\u3064\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u3042\u308a\u307e\u3059\u30021\u3064\u3081\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u3001\u308f\u305a\u304b\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u3082\u306413\u30d0\u30a4\u30c8\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3057\u3066\u3044\u307e\u3059\u30022\u3064\u3081\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u9855\u8457\u306b\u5927\u304d\u304f\u3001RFB\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u542b\u3093\u3067\u3044\u307e\u3059\u3002ASCII\u6587\u5b57\u306e<span style=\"font-family: 'courier new', courier, monospace;\">VNC<\/span>\u304c2\u3064\u3081\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u304a\u3088\u305d40\u30d0\u30a4\u30c8\u76ee\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30d1\u30bf\u30fc\u30f3\u306fQakbot\u611f\u67d3\u306b\u3088\u308bVNC\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-127075-_dij6q1y1vywe\"><\/a>Pcap\u89e3\u6790: ARP\u30b9\u30ad\u30e3\u30f3<\/h2>\n<p>\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3001ARP(\u30a2\u30c9\u30ec\u30b9\u89e3\u6c7a\u30d7\u30ed\u30c8\u30b3\u30eb)\u30b9\u30ad\u30e3\u30f3\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u4fb5\u5bb3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u3042\u308b\u307b\u304b\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u3088\u3046\u3068\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>ARP\u30b9\u30ad\u30e3\u30f3\u306fMAC\u30ec\u30a4\u30e4\u30fc\u3067\u884c\u308f\u308c\u307e\u3059\u3002MAC\u30ec\u30a4\u30e4\u30fc\u3067\u306f\u30011\u3064\u306eMAC\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u3059\u3079\u3066\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u7528MAC\u30a2\u30c9\u30ec\u30b9\u306e<span style=\"font-family: 'courier new', courier, monospace;\">ff:ff:ff:ff:ff:ff<\/span>\u3092\u4f7f\u3063\u3066ARP\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u3042\u308bMAC\u30a2\u30c9\u30ec\u30b9\u306b\u307b\u304b\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>1\u53f0\u306eWindows\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u540c\u4e00\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u9023\u7d9a\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066ARP\u30af\u30a8\u30ea\u30fc\u304c\u51fa\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u308c\u306fARP\u30b9\u30ad\u30e3\u30f3\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u6708\u306epcap\u3067\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">00:21:4d:9e:42:fb<\/span>\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3064\u611f\u67d3\u30db\u30b9\u30c8\u304c\u3001UTC\u5348\u5f8c7\u664222\u5206\u4ee5\u964d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u3059\u3079\u3066\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3001<span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]254<\/span>\u304b\u3089<span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]2<\/span>\u307e\u3067\u964d\u9806\u306b\u3001ARP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306eARP\u30b9\u30ad\u30e3\u30f3\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65e2\u77e5IP\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u3067\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]149<\/span>\u306b\u3042\u308b\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]6<\/span>\u306b\u3042\u308b\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]1<\/span>\u306b\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">10.0.0[.]255<\/span>\u306e\u540c\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9<\/li>\n<\/ul>\n<p>\u6b21\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">arp and eth.dst eq ff:ff:ff:ff:ff:ff<\/span><\/p>\n<p>\u7d50\u679c\u306f\u56f318\u306e\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_127056\" aria-describedby=\"caption-attachment-127056\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127056 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-19.jpeg\" alt=\"\u753b\u50cf18\u306f\u3001Wireshark\u3067\u300carp and eth.dst eq ff:ff:ff:ff:ff:ff\u300d\u3068\u3044\u3046\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u6307\u5b9a\u3057\u305f\u7d50\u679c\u3092\u793a\u3059Wireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002ARP\u30b9\u30ad\u30e3\u30f3\u304c\u59cb\u307e\u3063\u305f\u5834\u6240\u304c\u77e2\u5370\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"575\" \/><figcaption id=\"caption-attachment-127056\" class=\"wp-caption-text\">\u56f318. Qakbot\u611f\u67d3\u30db\u30b9\u30c8\u304b\u3089\u306eARP\u30b9\u30ad\u30e3\u30f3\u3002ARP\u30b9\u30ad\u30e3\u30f3\u304c\u59cb\u307e\u3063\u305f\u5834\u6240\u3092\u77e2\u5370\u3067\u793a\u3059<\/figcaption><\/figure>\n<p>ARP\u30b9\u30ad\u30e3\u30f3\u4e2d\u306b\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u4e0a\u3067\u307b\u304b\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u305f\u5834\u5408\u3001ICMP\u3067Ping\u30a8\u30b3\u30fc\u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u6a19\u7684\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u5fdc\u7b54\u3057\u305f\u5834\u5408\u3001\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8\u306f\u3055\u307e\u3056\u307e\u306aTCP\/UDP\u30dd\u30fc\u30c8\u7d4c\u7531\u3067\u63a5\u7d9a\u3092\u8a66\u307f\u3066\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u30d7\u30ed\u30fc\u30d6(\u63a2\u67fb)\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u6708\u306epcap\u3067\u307b\u304b\u306b\u5b58\u5728\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306f\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3060\u3051\u3067\u3059\u3002\u3053\u306eAD\u74b0\u5883\u3067\u306f\u307b\u304b\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084\u30b5\u30fc\u30d0\u30fc\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001<span style=\"font-family: 'courier new', courier, monospace;\">icmp<\/span>\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u3001\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8\u304c\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306bPing\u3092\u9001\u4fe1\u3057\u3066\u3044\u308b\u3088\u3046\u3059\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<span style=\"font-family: 'courier new', courier, monospace;\">ip.addr eq 10.0.0[.]1<\/span>\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3068\u3001\u611f\u67d3\u3057\u305fWindows\u30db\u30b9\u30c8\u304c\u30d7\u30ed\u30fc\u30d6\u3057\u305fTCP\/UDP\u30dd\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>ARP\u30b9\u30ad\u30e3\u30f3\u306e\u5f8c\u306b\u30a2\u30af\u30c6\u30a3\u30d6\u306aIP\u30a2\u30c9\u30ec\u30b9\u306e\u30d7\u30ed\u30fc\u30d6\u304c\u7d9a\u304f\u306e\u306fQakbot\u306b\u3088\u308b\u611f\u67d3\u306b\u9650\u3063\u305f\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Bumblebee\u3001IcedID\u3001Emotet\u306a\u3069\u306e\u30de\u30eb\u30a6\u30a7\u30a2 \u30d5\u30a1\u30df\u30ea\u30fc\u306b\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u304b\u3089\u3082\u540c\u69d8\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-127075-_tvw4h5j39vk\"><\/a>Pcap\u89e3\u6790: SMB\u7d4c\u7531\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/h2>\n<p>SMB (Server Message Block)\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3046\u3068Windows\u30db\u30b9\u30c8\u9593\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3067\u304d\u307e\u3059\u3002AD\u74b0\u5883\u306eWindows\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u6700\u7d42\u7684\u306a\u76ee\u6a19\u306f\u305d\u306e\u74b0\u5883\u306e\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u5bfe\u3059\u308b\u7ba1\u7406\u8005\u6a29\u9650\u3092\u7372\u5f97\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>AD\u74b0\u5883\u3067\u306fWindows\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u901a\u5e38\u306e\u30b7\u30b9\u30c6\u30e0 \u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u74b0\u3068\u3057\u3066\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u65e5\u5e38\u7684\u306b\u901a\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057SMB\u3092\u7d4c\u7531\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u306e\u3088\u3046\u306a\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u7591\u308f\u3057\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>SMB\u7d4c\u7531\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001[File (\u30d5\u30a1\u30a4\u30eb)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Export Objects (\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8)]\u3001[SMB]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059(\u56f319)\u3002<\/p>\n<p><figure id=\"attachment_127058\" aria-describedby=\"caption-attachment-127058\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127058 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-20.jpeg\" alt=\"\u753b\u50cf19\u306f\u3001Wireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3001[File (\u30d5\u30a1\u30a4\u30eb)]\u30e1\u30cb\u30e5\u30fc\u304b\u3089[Export Objects (\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8)]\u3001[SMB]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002 \" width=\"600\" height=\"561\" \/><figcaption id=\"caption-attachment-127058\" class=\"wp-caption-text\">\u56f319 Wireshark\u3067SMB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8<\/figcaption><\/figure>\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u307f\u308b\u3068\u666e\u901a\u306e\u30d5\u30a1\u30a4\u30eb \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304c\u3001\u4e0d\u5be9\u306a\u30d5\u30a1\u30a4\u30eb\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059(\u56f320\u3067\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305f\u90e8\u5206)\u3002<\/p>\n<figure id=\"attachment_127060\" aria-describedby=\"caption-attachment-127060\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127060 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-21.jpeg\" alt=\"\u753b\u50cf20\u306f\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u305fSMB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4e00\u89a7\u3092\u793a\u3059Wireshark\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u4e0d\u5be9\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"457\" \/><figcaption id=\"caption-attachment-127060\" class=\"wp-caption-text\">\u56f320 Wireshark\u304c\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305fSMB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u89a7\u3002\u4e0d\u5be9\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u8d64\u306e\u77e9\u5f62\u3067\u793a\u3059<\/figcaption><\/figure>\n<p>SMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u542b\u307e\u308c\u308bWindows EXE\u30d5\u30a1\u30a4\u30eb\u3084DLL\u30d5\u30a1\u30a4\u30eb\u306f\u7591\u308f\u3057\u3044\u3067\u3059\u304c\u3001\u3053\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u6b63\u5f53\u306a\u5229\u7528\u4f8b\u3067\u3042\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070Windows Server Update Service(WSUS)\u306f\u3001AD\u74b0\u5883\u5185\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089Microsoft Update\u3092\u5c55\u958b\u3057\u307e\u3059\u3002WSUS\u306fEXE\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u306a\u308bSMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u30e9\u30f3\u30c0\u30e0\u306a\u540d\u524d\u306eEXE\u30d5\u30a1\u30a4\u30eb\u3084DLL\u30d5\u30a1\u30a4\u30eb\u306f\u975e\u5e38\u306b\u7591\u308f\u3057\u3044\u3067\u3059\u3002\u5148\u306eSMB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u4e00\u89a7\u304b\u3089\u5f97\u3089\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u7a2e\u5225\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>(\u8aad\u307f\u65b9: \u30db\u30b9\u30c8\u540d - \u30d5\u30a1\u30a4\u30eb \u30b5\u30a4\u30ba - \u30d5\u30a1\u30a4\u30eb\u540d)<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\\\\10.0.0[.]6\\Shared - 1,761 KB - \\efweioirfbtk.dll<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\\\\10.0.0[.]6\\Shared - 105 bytes - \\efweioirfbtk.dll.cfg<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\\\\10.0.0[.]6\\C$ - 1,761 KB - \\umtqqzkklrgp.dll<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\\\\10.0.0[.]6\\C$ - 105 bytes - \\umtqqzkklrgp.dll.cfg<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\\\\10.0.0[.]6\\ADMIN$ - 1,761 KB - \\ltoawuimupfxvg.dll<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\\\\10.0.0[.]6\\ADMIN$ - 105 bytes - \\ltoawuimupfxvg.dll.cfg<\/span><\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u4e00\u89a7\u306b\u306f\u3001\u4e00\u898b\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306f\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u306f<span style=\"font-family: 'courier new', courier, monospace;\">.dll<\/span>\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u62e1\u5f35\u5b50\u304b<span style=\"font-family: 'courier new', courier, monospace;\">.dll.cfg<\/span>\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u62e1\u5f35\u5b50\u304c\u3064\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>[Wireshark - Export - SMB object list (Wireshark - \u30a8\u30af\u30b9\u30dd\u30fc\u30c8 - SMB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4e00\u89a7)]\u30a6\u30a3\u30f3\u30c9\u30a6\u304b\u3089\u3001\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u30921\u3064\u305a\u3064\u9078\u629e\u3057\u3066pcap\u304b\u3089\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002macOS\u3084Linux\u74b0\u5883\u3067\u3001\u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u3044\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u7a2e\u5225\u3068SHA256\u30cf\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d\u3057\u307e\u3059(\u56f321)\u3002<\/p>\n<p>105\u30d0\u30a4\u30c8\u306e<span style=\"font-family: 'courier new', courier, monospace;\">.bin.cfg<\/span>\u30d5\u30a1\u30a4\u30eb\u306f\u30c7\u30fc\u30bf \u30d0\u30a4\u30ca\u30ea\u30fc\u3067\u30011761KB\u306e<span style=\"font-family: 'courier new', courier, monospace;\">.dll<\/span>\u30d5\u30a1\u30a4\u30eb\u306f\u3059\u3079\u3066Windows DLL\u30d5\u30a1\u30a4\u30eb(SHA256\u30cf\u30c3\u30b7\u30e5: <span style=\"font-family: 'courier new', courier, monospace;\">713207d9d9875ec88d2f3a53377bf8c2d620147a4199eb183c13a7e957056432)<\/span>\u3067\u3059\u3002\u3053\u306e\u30cf\u30c3\u30b7\u30e5\u306f\u6700\u521d\u306e\u611f\u67d3\u3067HTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u305f\u6700\u521d\u306eQakbot DLL\u3068\u540c\u3058SHA256\u30cf\u30c3\u30b7\u30e5\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_127062\" aria-describedby=\"caption-attachment-127062\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-127062 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/02\/word-image-127019-22.jpeg\" alt=\"\u753b\u50cf21\u306f\u3001SMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u5225\u3068\u30cf\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u308bLinux\u306e\u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002 \" width=\"900\" height=\"365\" \/><figcaption id=\"caption-attachment-127062\" class=\"wp-caption-text\">\u56f321. SMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u5225\u3068SHA256\u30cf\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306eQakbot DLL\u30d5\u30a1\u30a4\u30eb\u306f\u3001[Wireshark - Export - SMB object list (Wireshark - \u30a8\u30af\u30b9\u30dd\u30fc\u30c8 - SMB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4e00\u89a7)]\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u540d\u3068\u3068\u3082\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u611f\u67d3Windows\u30db\u30b9\u30c8\u306f\u3001\u3069\u3046\u3084\u3089\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u9001\u4fe1\u3057\u305f\u3088\u3046\u3067\u3059\u3002\u3053\u306e\u3053\u3068\u306f\u3001\u3053\u306e\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u3001\u60aa\u610f\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u3092\u8a31\u3057\u3066\u3057\u307e\u3046\u306a\u3093\u3089\u304b\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u306b\u4f7f\u308f\u308c\u308bSMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3064\u3044\u3066\u6398\u308a\u4e0b\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002smb2\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u7d50\u679c\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002SMB\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089Wireshark\u306e[Packet List (\u30d1\u30b1\u30c3\u30c8\u4e00\u89a7)]\u30da\u30a4\u30f3\u306e[Info]\u5217\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002[Packet Details (\u30d1\u30b1\u30c3\u30c8\u8a73\u7d30)]\u30da\u30a4\u30f3\u306b\u306f\u3001[Info]\u5217\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u3055\u3089\u306b\u8aac\u660e\u3059\u308b\u8ffd\u52a0\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u540c\u69d8\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u73fe\u5b9f\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u78ba\u8a8d\u3057\u305f\u5834\u5408\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u306f\u3053\u306e\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3082\u8abf\u67fb\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u4eca\u56de\u306epcap\u306b\u306f\u611f\u67d3\u3057\u305fWindows\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306e\u9593\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3057\u304b\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3084\u3001\u30c9\u30e1\u30a4\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u307b\u304b\u306e\u30db\u30b9\u30c8\u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3067\u3059\u306e\u3067\u4eca\u6708\u306eWireshark\u30af\u30a4\u30ba\u306b\u95a2\u3057\u3066\u306f\u3001\u3053\u3053\u304b\u3089\u3055\u3089\u306b\u8abf\u67fb\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u53c2\u52a0\u8005\u306e\u7686\u3055\u3093\u304c\u3055\u3089\u306b\u7cbe\u67fb\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u89e3\u6790\u30b9\u30ad\u30eb\u3092\u78e8\u3051\u308b\u3088\u3046\u3001\u3053\u306epcap\u306f\u3053\u306e\u307e\u307e\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-127075-_2an8ryq91inv\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u672c\u7a3f\u306f\u300cUnit 42 Wireshark\u30af\u30a4\u30ba 2023\u5e742\u6708\u300d\u306e\u89e3\u7b54\u7de8\u3067\u3059\u3002pcap\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u3001\u611f\u67d3\u306b\u57fa\u3065\u3044\u3066\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30dd\u30fc\u30c8\u306e\u63d0\u793a\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u81ea\u793eIT\u74b0\u5883\u3067\u306f\u5b8c\u5168\u306a\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u304c\u624b\u306b\u5165\u3089\u306a\u3044\u3053\u3068\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u305f\u3081\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30ec\u30d3\u30e5\u30fc\u7d4c\u9a13\u3092\u7a4d\u3081\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u5834\u5408\u306f\u672c\u7a3f\u306e\u3088\u3046\u306aWireshark\u30af\u30a4\u30ba\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u6559\u6750\u304c\u5f79\u306b\u7acb\u3064\u3067\u3057\u3087\u3046\u3002Pcap\u306e\u89e3\u6790\u306f\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3078\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u306e\u306b\u5f79\u7acb\u3064\u30b9\u30ad\u30eb\u3067\u3059\u3002\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u306f\u3001\u8abf\u67fb\u8005\u304c\u8abf\u67fb\u7d50\u679c\u3092\u628a\u63e1\u3057\u3084\u3059\u3044\u5f62\u306b\u6574\u7406\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3057\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u7d4c\u9a13\u306e\u3042\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u306f\u985e\u4f3c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u898b\u3064\u3051\u308b\u306e\u304c\u3046\u307e\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3088\u304f\u66f8\u3051\u305f\u30ec\u30dd\u30fc\u30c8\u306f\u7d44\u7e54\u5185\u306e\u307b\u304b\u306e\u4eba\u304c\u518d\u767a\u9632\u6b62\u306b\u5411\u3051\u3066\u9069\u5207\u306a\u63aa\u7f6e\u3092\u8b1b\u3058\u308b\u306e\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u7b54\u3048\u3092\u63b2\u8f09\u3057\u3066\u3044\u306a\u3044<a href=\"https:\/\/unit42.paloaltonetworks.jp\/feb-wireshark-quiz\/\">\u554f\u984c\u7de8<\/a>\u306e\u30d6\u30ed\u30b0\u3082\u3042\u308f\u305b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u3084<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-threat-prevention\">\u9ad8\u5ea6\u306a\u8105\u5a01\u9632\u5fa1<\/a>\u306a\u3069\u306e\u30af\u30e9\u30a6\u30c9\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u3092\u6709\u52b9\u306b\u3057\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3068<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u306b\u3088\u308a\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u306e\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\">\u3053\u3061\u3089<\/a>\u306e\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com\u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u306e\u96fb\u8a71\u756a\u53f7\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044(\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<ul>\n<li>\u5317\u7c73\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb: 866.486.4842 (866.4.UNIT42)<\/li>\n<li>\u6b27\u5dde: +31.20.299.3130<\/li>\n<li>\u30a2\u30b8\u30a2\u592a\u5e73\u6d0b: +65.6983.8730<\/li>\n<li>\u65e5\u672c: +81.50.1790.0200<\/li>\n<\/ul>\n<h2><a id=\"post-127075-_c6up2n9evh7k\"><\/a>IoC<\/h2>\n<p>\u30a4\u30f3\u30d5\u30e9<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp:\/\/128.254.207[.]55\/86607.dat<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">102.156.32[.]143:443<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">208.187.122[.]74:443<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">5.75.205[.]43:443<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">23.111.114[.]52:65400<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">78.31.67[.]7:443<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">Qakbot\u306eDLL\u30d5\u30a1\u30a4\u30eb\u306eSHA256\u30cf\u30c3\u30b7\u30e5<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">713207d9d9875ec88d2f3a53377bf8c2d620147a4199eb183c13a7e957056432<\/span><\/li>\n<\/ul>\n<h2><a id=\"post-127075-_570cbe1pdhwx\"><\/a>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/h2>\n<ul>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/wireshark-workshop-videos\/\">Wireshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb: Wireshark\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u30d3\u30c7\u30aa\u30b7\u30ea\u30fc\u30ba\u3092\u516c\u958b<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/january-wireshark-quiz\/\">Unit 42 Wireshark\u30af\u30a4\u30ba 2023\u5e741\u6708: \u554f\u984c\u7de8<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/january-wireshark-quiz-answers\/\">Unit 42 Wireshark\u30af\u30a4\u30ba 2023\u5e741\u6708: \u89e3\u7b54\u7de8<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/twitter.com\/Unit42_Intel\/status\/1620531956504055812\">Unit 42\u306e\u30c4\u30a4\u30fc\u30c8(2023-01-31)<\/a> - Cobalt Strike\u3001VNC\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u3068\u3082\u306a\u3046Qakbot\u611f\u67d3<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/feb-wireshark-quiz\/\">Unit 42 Wireshark\u30af\u30a4\u30ba 2023\u5e742\u6708: \u554f\u984c\u7de8<\/a> - \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">2023-03-17 09:15 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-03-15 08:58 PST \u306e\u5185\u5bb9\u3092\u53cd\u6620 <\/span><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u672c\u7a3f\u306fUnit 42 Wireshark\u30af\u30a4\u30ba 2023\u5e742\u6708\u306e\u89e3\u7b54\u7de8\u3067\u3059\u3002\u672c\u7a3f\u306e\u60c5\u5831\u306f\u3001Active Directory(AD)\u74b0\u5883\u3067\u7591\u308f\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u8abf\u67fb\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3<\/p>\n","protected":false},"author":35,"featured_media":134400,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4438,4435,4428],"tags":[4613,5245,5247,5249,5251,4615,4617],"product_categories":[4442,4444,4446,4448,4456],"coauthors":[485],"class_list":["post-127075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-tutorials-ja","category-learning-hub-ja","category-threat-research-ja","tag-pcap-ja","tag-qakbot-ja","tag-qbot-ja","tag-spambot-ja","tag-vnc-ja","tag-wireshark-ja","tag-wireshark-tutorial-ja","product_categories-advanced-threat-prevention-ja","product_categories-advanced-wildfire-ja","product_categories-cloud-delivered-security-services-ja","product_categories-cortex-xdr-ja","product_categories-next-generation-firewall-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Unit 42 Wireshark \u30af\u30a4\u30ba 2023\u5e742\u6708: \u89e3\u7b54\u7de8<\/title>\n<meta name=\"description\" content=\"2023\u5e742\u6708\u306eWireshark\u30af\u30a4\u30ba\u306f\u3001\u30e9\u30a4\u30d6\u74b0\u5883\u304b\u3089\u5f97\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u969b\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6790\u3057\u3066\u7d50\u679c\u3092\u30a4\u30f3\u30b7\u30c7\u30f3\u30ec\u30dd\u30fc\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3057\u305f\u3002\u672c\u7a3f\u306f\u30af\u30a4\u30ba\u306e\u89e3\u7b54\u7de8\u3068\u3057\u3066\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u3067\u5f97\u3089\u308c\u308b\u60c5\u5831\u3068\u30af\u30a4\u30ba\u306e\u89e3\u7b54\u3068\u306a\u308b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30dd\u30fc\u30c8\u306e\u66f8\u304d\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" 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