{"id":104425,"date":"2020-02-13T22:33:40","date_gmt":"2020-02-14T06:33:40","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=104425"},"modified":"2025-08-25T04:29:18","modified_gmt":"2025-08-25T11:29:18","slug":"tutorial-qakbot-infection","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/tutorial-qakbot-infection\/","title":{"rendered":"Wireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 7: Qakbot\u611f\u67d3\u306e\u8abf\u67fb"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p><a href=\"https:\/\/www.microsoft.com\/en-us\/wdsi\/threats\/malware-encyclopedia-description?Name=Win32%2FQakbot\">Qakbot<\/a>\u306fQbot\u3068\u3044\u3046\u540d\u524d\u3067\u3082\u77e5\u3089\u308c\u308b\u60c5\u5831\u7a83\u53d6\u3092\u884c\u3046\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002\u9577\u5e74\u306b\u308f\u305f\u308a\u6d3b\u767a\u306b\u5229\u7528\u3055\u308c\u3001\u975e\u5e38\u306b\u7279\u5fb4\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306e<a href=\"https:\/\/www.wireshark.org\">Wireshark<\/a>\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6700\u8fd1\u306eQakbot\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\uff08pcap\uff09\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u304cQakbot\u306b\u3088\u308b\u611f\u67d3\u3092\u691c\u51fa\u30fb\u8abf\u67fb\u3059\u308b\u306b\u306f\u3001\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u6ce8\u610f: \u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u3001Wireshark\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u77e5\u8b58\u304c\u3042\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u4ee5\u524d\u306e <a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/unit42-customizing-wireshark-changing-column-display\/\">\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u3067\u8a2d\u5b9a\u3057\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6e08\u307f\u306e\u5217\u8868\u793a\u3092\u4f7f\u3044\u307e\u3059\u3002\u307e\u305f<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">\u3053\u306e\u56de<\/a>\u3067\u89e3\u8aac\u3057\u305fWireshark\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u30d5\u30a3\u30eb\u30bf\u3082\u3059\u3067\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u8aac\u660e\u3059\u308b\u5185\u5bb9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>Qakbot\u306e\u914d\u5e03\u65b9\u6cd5<\/li>\n<li>\u30de\u30eb\u30b9\u30d1\u30e0\u5185\u306e\u30ea\u30f3\u30af\u304b\u3089\u306e\u6700\u521d\u306ezip\u30a2\u30fc\u30ab\u30a4\u30d6<\/li>\n<li>Qakbot\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb<\/li>\n<li>\u611f\u67d3\u5f8c\u306eHTTPS\u6d3b\u52d5<\/li>\n<li>\u305d\u306e\u4ed6\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n<p>\u672c\u7a3f\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u5229\u7528\u3059\u308b pcap \u30d5\u30a1\u30a4\u30eb\u306f <a href=\"https:\/\/www.malware-traffic-analysis.net\/2020\/01\/29\/index.html\">\u3053\u3061\u3089<\/a>\u304b\u3089\u53d6\u5f97\u3057\u3066\u304f\u3060\u3055\u3044\uff61\u3053\u306epcap\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u4fdd\u8b77\u3055\u308c\u305fzip\u30a2\u30fc\u30ab\u30a4\u30d6\u30d5\u30a1\u30a4\u30eb <strong><em>2020-01-29-Qbot-infection-traffic.pcap.zip<\/em><\/strong> \u5185\u306b\u3042\u308a\u307e\u3059\u306e\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u5f8c\u5c55\u958b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u300cinfected\u300d\u3067\u3059\u3002\u56f31\u306f\u3001\u4ee5\u524d\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u8a2d\u5b9a\u3057\u305fWireshark\u74b0\u5883\u3067\u958b\u3044\u305f\u4e0a\u8a18pcap\u306e\u898b\u3048\u304b\u305f\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"641\"  class=\"wp-image-104428 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-1-the-pcap-for-this-tutorial-.jpeg\" alt=\"Figure 1. The pcap for this tutorial.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f31 \u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u4f7f\u3046pcap\u3092WireShark\u3067\u958b\u3044\u305f\u3068\u3053\u308d<\/span><\/p>\n<h2><a id=\"post-104425-qakbot-distribution-methods\"><\/a>Qakbot\u306e\u914d\u5e03\u65b9\u6cd5<\/h2>\n<p>Qakbot\u306f\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u60aa\u610f\u306e\u3042\u308b\u30b9\u30d1\u30e0\uff08\u30de\u30eb\u30b9\u30d1\u30e0\uff09\u3092\u4ecb\u3057\u3066\u914d\u5e03\u3055\u308c\u307e\u3059\u304c\u3001<a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/11\/25\/index3.html\">\u6700\u8fd1(2019\u5e7411\u6708)\u3067\u306f<\/a>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30ad\u30c3\u30c8\u3092\u4ecb\u3057\u3066\u3082\u914d\u5e03\u3055\u308c\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/isc.sans.edu\/forums\/diary\/Malspam+pushes+Emotet+with+Qakbot+as+the+followup+malware\/24738\/\">2019\u5e743\u6708\u306e\u3053\u3061\u3089\u306e\u5831\u544a<\/a>\u3067\u3082\u6307\u6458\u3055\u308c\u3066\u3044\u308b\u3068\u304a\u308a\u3001Qakbot\u306f<a href=\"https:\/\/www.us-cert.gov\/ncas\/alerts\/TA18-201A\">Emotet<\/a>\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u5225\u7a2e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u611f\u67d3\u306b\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Qakbot\u306e\u6700\u8fd1\u306e\u30de\u30eb\u30b9\u30d1\u30e0\u30d9\u30fc\u30b9\u914d\u5e03\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u306f\u3001\u56f32\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306b\u793a\u3057\u305f\u7d4c\u904e\u3092\u305f\u3069\u308a\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"618\"  class=\"wp-image-104430 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-2-flow-chart-from-recent-qakbot-distributi.jpeg\" alt=\"Figure 2. Flow chart from recent Qakbot distribution campaigns.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f32 \u6700\u8fd1\u306eQakbot\u914d\u5e03\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/span><\/p>\n<h3><a id=\"post-104425-initial-zip-archive-from-link-in-malspam\"><\/a>\u30de\u30eb\u30b9\u30d1\u30e0\u5185\u306e\u30ea\u30f3\u30af\u304b\u3089\u306e\u6700\u521d\u306ezip\u30a2\u30fc\u30ab\u30a4\u30d6<\/h3>\n<p>Qakbot\u3092\u914d\u5e03\u3059\u308b\u6700\u8fd1\u306e\u30de\u30eb\u30b9\u30d1\u30e0\u306f\u3001\u6b63\u5f53\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u507d\u88c5\u3057\u3001\u507d\u306e\u30e1\u30fc\u30eb\u30b9\u30ec\u30c3\u30c9\u306e\u4f53\u88c1\u3092\u3068\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u4f8b\u306e1\u3064\u3092\u56f33\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"821\"  class=\"wp-image-104432 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-3-recent-malspam-example-pushing-qakbot-.jpeg\" alt=\"Figure 3. Recent malspam example pushing Qakbot.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f33 Qakbot\u3092\u30d7\u30c3\u30b7\u30e5\u3059\u308b\u6700\u8fd1\u306e\u30de\u30eb\u30b9\u30d1\u30e0\u30b5\u30f3\u30d7\u30eb<\/span><\/p>\n<p>\u3053\u3046\u3057\u305f\u30e1\u30fc\u30eb\u306b\u542b\u307e\u308c\u308bURL\u306f\u4e00\u9023\u306e\u77ed\u3044\u6570\u5b57\u306e\u5f8c\u308d\u306b<strong><em>.zip<\/em><\/strong>\u304c\u3064\u3044\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/urlhaus.abuse.ch\/browse\/\">URLhaus<\/a>\u3068<a href=\"https:\/\/twitter.com\/search?q=Qakbot%20zip&amp;f=live\">Twitter<\/a>\u3067\u6700\u8fd1\u5831\u544a\u3055\u308c\u3066\u3044\u305fQakbot\u30de\u30eb\u30b9\u30d1\u30e0\u306eURL\u30b5\u30f3\u30d7\u30eb\u3092\u3044\u304f\u3064\u304b\u88681\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>\u6700\u521d\u306b\u5831\u544a\u3055\u308c\u305f\u65e5<\/strong><\/td>\n<td><strong>\u521d\u671fzip\u30a2\u30fc\u30ab\u30a4\u30d6\u306eURL<\/strong><\/td>\n<\/tr>\n<tr>\n<td>2019-12-27<\/td>\n<td>hxxps:\/\/prajoon.000webhostapp[.]com\/wp-content\/uploads\/2019\/12\/last\/033\/033.zip<\/td>\n<\/tr>\n<tr>\n<td>2019-12-27<\/td>\n<td>hxxps:\/\/psi-uae[.]com\/wp-content\/uploads\/2019\/12\/last\/870853.zip<\/td>\n<\/tr>\n<tr>\n<td>2019-12-27<\/td>\n<td>hxxps:\/\/re365[.]com\/wp-content\/uploads\/2019\/12\/last\/85944289\/85944289.zip<\/td>\n<\/tr>\n<tr>\n<td>2019-12-27<\/td>\n<td>hxxps:\/\/liputanforex.web[.]id\/wp-content\/uploads\/2019\/12\/last\/794\/794.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-01-06<\/td>\n<td>hxxp:\/\/eps.icothanglong.edu[.]vn\/forward\/13078.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-01-22<\/td>\n<td>hxxp:\/\/hitechrobo[.]com\/wp-content\/uploads\/2020\/01\/ahead\/84296848\/84296848.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-01-22<\/td>\n<td>hxxp:\/\/faithoasis.000webhostapp.com\/wp-content\/uploads\/2020\/01\/ahead\/550889.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-01-27<\/td>\n<td>hxxps:\/\/madisonclubbar[.]com\/fast\/invoice049740.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-01-29<\/td>\n<td>hxxp:\/\/zhinengbao[.]wang\/wp-content\/uploads\/2020\/01\/lane\/00571.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-01-29<\/td>\n<td>hxxp:\/\/bhatner[.]com\/wp-content\/uploads\/2020\/01\/ahead\/9312.zip<\/td>\n<\/tr>\n<tr>\n<td>2020-02-03<\/td>\n<td>hxxp:\/\/santedeplus[.]info\/wp-content\/uploads\/2020\/02\/ending\/1582820\/1582820.zip<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 10pt;\"><em>\u88681 Qakbot\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u3092\u958b\u59cb\u3059\u308b\u6700\u521d\u306ezip\u30a2\u30fc\u30ab\u30a4\u30d6\u306eURL\u30b5\u30f3\u30d7\u30eb<\/em><\/span><\/p>\n<p>\u3055\u3066\u3001\u4eca\u56de\u306epcap\u306e\u5834\u5408\u3001Wireshark\u30d5\u30a3\u30eb\u30bf\u306b<strong><em>http.request.uri contains .zip<\/em><\/strong>\u3068\u3044\u3046\u30d5\u30a3\u30eb\u30bf\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u542b\u3080HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059(\u56f34\u53c2\u7167)\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"263\"  class=\"wp-image-104434 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-4-finding-the-url-for-the-initial-zip-arch.jpeg\" alt=\"Figure 4. Finding the URL for the initial zip archive.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f34 \u521d\u671fzip\u30a2\u30fc\u30ab\u30a4\u30d6\u306eURL\u3092\u898b\u3064\u3051\u308b<\/span><\/p>\n<p>\u3067\u306f\u3053\u3053\u3067\u3001\u56f35\u30686\u306b\u793a\u3057\u305f\u624b\u9806\u3067TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u3001\u3053\u308c\u304czip\u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u56f37\u306b\u793a\u3057\u305f\u624b\u9806\u3067pcap\u304b\u3089zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u53ef\u80fd\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"657\"  class=\"wp-image-104436 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-5-following-the-tcp-stream-for-the-http-re.jpeg\" alt=\"Figure 5. Following the TCP stream for the HTTP request from our filter results.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f35 \u30d5\u30a3\u30eb\u30bf\u7d50\u679c\u304b\u3089HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3059\u308b(\u30d1\u30b1\u30c3\u30c8\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066[\u8ffd\u8de1]\u3001[TCP\u30b9\u30c8\u30ea\u30fc\u30e0]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3059\u308b)<\/span><\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"750\"  class=\"wp-image-104438 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-6-indicators-this-url-returned-a-zip-archi.jpeg\" alt=\"Figure 6. Indicators this URL returned a zip archive.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f36 \u3053\u306eURL\u304czip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u8fd4\u3057\u305f\u3053\u3068\u3092\u793a\u3059\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf(\u75d5\u8de1)\u3092\u78ba\u8a8d\u3059\u308b<br \/>\n(zip\u306e\u6700\u521d\u306e2\u30d0\u30a4\u30c8\u306f\u3001ASCII\u6587\u5b57\u3067PK\u3002VBC_60372.vbs\u304c\u3053\u306ezip\u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b)<\/span><\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"663\"  class=\"wp-image-104440 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-7-exporting-objects-from-http-traffic-in-t.jpeg\" alt=\"Figure 7. Exporting objects from HTTP traffic in the pcap.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f37 pcap\u306eHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3067\u304d\u308b\u304b\u78ba\u8a8d<br \/>\n([\u30d5\u30a1\u30a4\u30eb]\u30e1\u30cb\u30e5\u30fc\u3067[\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8]\u3001[HTTP]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af)<\/span><\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001<strong><em>[\u30d5\u30a1\u30a4\u30eb]\u3001[\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8]\u3001[HTTP]<\/em><\/strong>\u306e\u9806\u3067\u30e1\u30cb\u30e5\u30fc\u3092\u305f\u3069\u308c\u3070\u3001HTTP\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u305fzip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u3053\u306e\u65b9\u6cd5\u3067\u5358\u7d14\u306b<strong><em>9312.zip<\/em><\/strong>\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u56f38\u306b\u793a\u3057\u305f\u3068\u304a\u308a\u3001[\u30a8\u30af\u30b9\u30dd\u30fc\u30c8 HTTP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4e00\u89a7]\u30a6\u30a3\u30f3\u30c9\u30a6\u5185\u3067\u30d5\u30a1\u30a4\u30eb\u304c\u6570\u767e\u500b\u306e\u5c0f\u3055\u306a\u30c1\u30e3\u30f3\u30af\u306b\u5206\u5272\u3055\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"757\"  class=\"wp-image-104442 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-8-9312-zip-is-broken-up-into-hundreds-of-o.jpeg\" alt=\"Figure 8. 9312.zip is broken up into hundreds of objects within the list, so we cannot export it this way.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f38 9312.zip\u304c\u4e00\u89a7\u4e0a\u6570\u767e\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3053\u306e\u65b9\u6cd5\u3067\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044<\/span><\/p>\n<p>\u5e78\u3044\u3053\u308c\u3067\u3082\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u3042\u308a\u307e\u3059\u3002[TCP\u30b9\u30c8\u30ea\u30fc\u30e0]\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u304b\u3089\u30c7\u30fc\u30bf\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3001\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u958b\u3044\u3066HTTP\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u3092\u524a\u9664\u3059\u308c\u3070\u5927\u4e08\u592b\u3067\u3059\u3002\u3067\u306f[\u30a8\u30af\u30b9\u30dd\u30fc\u30c8 HTTP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4e00\u89a7]\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u3044\u3063\u305f\u3093\u9589\u3058\u3066\u3001\u6b21\u306e\u624b\u9806\u3067\u3053\u306epcap\u304b\u3089zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u62bd\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li>\u6700\u521d\u306e\u300chttp.request.uri contains .zip\u300d\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u3082\u3046\u4e00\u5ea6\u5b9f\u884c\u3057\u3001\u56f35\u306b\u793a\u3057\u305f\u624b\u9806\u30679312.zip\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306eTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/li>\n<li>\u56f39\u3092\u53c2\u8003\u306b\u3057\u3066\u3001TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u30a6\u30a3\u30f3\u30c9\u30a6\u4e0a\u306e[\u5168\u4f53\u306e\u5bfe\u8a71]\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30dc\u30c3\u30af\u30b9\u304b\u3089\u300c103.91.92.1:80 \u2192 10.1.29.101:49679 (2177 kB)\u300d\u3092\u9078\u629e\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u307f\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u56f310\u3092\u53c2\u8003\u306b\u3057\u3066\u3001[\u3068\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3057\u3066\u4fdd\u5b58\u3059\u308b]\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30dc\u30c3\u30af\u30b9\u3092[ASCII]\u304b\u3089[Raw(\u7121\u52a0\u5de5)\u5f62\u5f0f]\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/li>\n<li>\u56f311\u3092\u53c2\u8003\u306b\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u30d0\u30a4\u30ca\u30ea\u3068\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u300c9312.zip.bin\u300d\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u56f312\u3092\u53c2\u8003\u306b\u3057\u3066\u3001\u4efb\u610f\u306e\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u4fdd\u5b58\u3057\u305f\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf(9312.zip.bin)\u3092\u958b\u304d\u3001zip\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u6700\u521d\u306e2\u30d0\u30a4\u30c8\uff08ASCII\u3067\u306f\u300cPK\u300d\u3068\u8868\u793a\uff09\u3088\u308a\u524d\u306b\u3042\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u305f\u3044\u3066\u3044\u306e\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u306f\u3001\u30ab\u30fc\u30bd\u30eb\u3067\u5148\u982d\u304b\u3089\u300cPK\u300d\u3088\u308a\u524d\u306e\u90e8\u5206\u3092\u306a\u305e\u3063\u3066\u9078\u629e\u3057\u305f\u4e0a\u3067Delete\u30ad\u30fc\u3092\u62bc\u4e0b\u3059\u308c\u3070\u524a\u9664\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/li>\n<li>\u56f313\u3092\u53c2\u8003\u306b\u3057\u3066\u3001\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u4e0a\u3067\u30d5\u30a1\u30a4\u30eb\u3092zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3068\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\uff08\u3053\u3053\u3067\u306f\u300c9312.zip\u300d\u3068\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3057\u305f\uff09\u3002<\/li>\n<li>\u56f314\u3092\u53c2\u8003\u306b\u3057\u3066\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u306a\u3044\u3057\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u3001file\u30b3\u30de\u30f3\u30c9\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u3053\u308c\u304c\u5b9f\u969b\u306bzip\u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6b21\u306b\u3001unzip \u30b3\u30de\u30f3\u30c9\u3067zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u5c55\u958b\u3057\u3001.vbs\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u5f8c\u3001file\u30b3\u30de\u30f3\u30c9\u3067\u3053\u306e.vbs\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304b\u3089shasum\u30b3\u30de\u30f3\u30c9\u3067SHA256\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u4e00\u9023\u306e\u624b\u9806\u3092\u884c\u3046\u3055\u3044\u306f\u3001\u56f39\u301c14\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"675\"  class=\"wp-image-104444 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-9-step-2-when-viewing-the-tcp-stream-sw.jpeg\" alt=\"Figure 9. Step 2 \u2013 When viewing the TCP stream, switch from viewing the entire conversation to viewing only data returned from the server.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f39 TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u30a6\u30a3\u30f3\u30c9\u30a6\u4e0a\u306e[\u5168\u4f53\u306e\u5bfe\u8a71]\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30dc\u30c3\u30af\u30b9\u304b\u3089\u300c103.91.92.1:80 \u2192 10.1.29.101:49679 (2177 kB)\u300d\u3092\u9078\u629e\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u307f\u3092\u8868\u793a\u3055\u305b\u308b<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"771\"  class=\"wp-image-104446 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-10-step-3-show-and-save-data-as-raw-inst.jpeg\" alt=\"Figure 10. Step 3 \u2013 Show and save data as Raw instead of ASCII.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f310 [\u3068\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3057\u3066\u4fdd\u5b58\u3059\u308b]\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30dc\u30c3\u30af\u30b9\u3092[ASCII]\u304b\u3089[Raw(\u7121\u52a0\u5de5)\u5f62\u5f0f]\u306b\u5909\u66f4\u3059\u308b<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"645\"  class=\"wp-image-104448 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-11-step-4-save-this-raw-data-from-the-tc.jpeg\" alt=\"Figure 11. Step 4 \u2013 Save this raw data from the TCP stream as a binary.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f311 \u30c7\u30fc\u30bf\u3092\u30d0\u30a4\u30ca\u30ea\u3068\u3057\u3066\u4fdd\u5b58\u3002\u3053\u306e\u4f8b\u3067\u306f\u300c9312.zip.bin\u300d\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3057\u3066\u3044\u308b<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"609\"  class=\"wp-image-104450 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-12-step-5-open-your-saved-binary-in-a-he.jpeg\" alt=\"Figure 12. Step 5 \u2013 Open your saved binary in a hex editor and remove any HTTP response data before the first two bytes of the zip archive (that show as PK in ASCII).\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f312 \u4efb\u610f\u306e\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u4fdd\u5b58\u3057\u305f\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf(9312.zip.bin)\u3092\u958b\u304d\u3001zip\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u6700\u521d\u306e2\u30d0\u30a4\u30c8\uff08ASCII\u3067\u306f\u300cPK\u300d\u3068\u8868\u793a\uff09\u3088\u308a\u524d\u306b\u3042\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u3092\u524a\u9664\u3002\u305f\u3044\u3066\u3044\u306e\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u306f\u3001\u30ab\u30fc\u30bd\u30eb\u3067\u5148\u982d\u304b\u3089\u300cPK\u300d\u3088\u308a\u524d\u306e\u90e8\u5206\u3092\u306a\u305e\u3063\u3066\u9078\u629e\u3057\u305f\u4e0a\u3067Delete\u30ad\u30fc\u3092\u62bc\u4e0b\u3059\u308c\u3070\u524a\u9664\u3067\u304d\u308b<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"616\"  class=\"wp-image-104452 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-13-step-6-save-your-edited-binary-as-a-z.jpeg\" alt=\"Figure 13. Step 6 \u2013 Save your edited binary as a zip archive.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f313 \u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u4e0a\u3067\u30d5\u30a1\u30a4\u30eb\u3092zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3068\u3057\u3066\u4fdd\u5b58\uff08\u3053\u3053\u3067\u306f\u300c9312.zip\u300d\u3068\u3057\u3066\u4fdd\u5b58\uff09<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"476\"  class=\"wp-image-104454 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-14-step-7-confirm-the-edited-file-is-a-z.jpeg\" alt=\"Figure 14. Step 7 \u2013 Confirm the edited file is a zip archive, then extract the VBS file and check the file hashes.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f314 \u30bf\u30fc\u30df\u30ca\u30eb\u306a\u3044\u3057\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u3001file\u30b3\u30de\u30f3\u30c9\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u3053\u308c\u304c\u5b9f\u969b\u306bzip\u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u5f8c\u3001unzip \u30b3\u30de\u30f3\u30c9\u3067zip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u5c55\u958b\u3002.vbs\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u5f8c\u3001file\u30b3\u30de\u30f3\u30c9\u3067\u3053\u306e.vbs\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304b\u3089shasum\u30b3\u30de\u30f3\u30c9\u3067SHA256\u5024\u3092\u8a08\u7b97<\/span><\/p>\n<p>\u56f314\u306f\u3001Debian\u30d9\u30fc\u30b9\u306eLinux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3 \u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u4f8b\u3067\u3059\u3002\u3053\u306epcap\u304b\u3089\u62bd\u51fa\u3057\u305fzip\u30a2\u30fc\u30ab\u30a4\u30d6\u306f\u3001<a href=\"https:\/\/www.virustotal.com\/gui\/file\/5121c89e898eadeff9eeef660d92f3cff75700c7f017b33c913a951018a3df9a\">VirusTotal\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3053\u306e\u30d5\u30a1\u30a4\u30eb<\/a>\u3068\u540c\u3058\u3082\u306e\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002\u307e\u305f\u3001zip\u30a2\u30fc\u30ab\u30a4\u30d6\u304b\u3089\u62bd\u51fa\u3057\u305fVBS\u30d5\u30a1\u30a4\u30eb\u3082<a href=\"https:\/\/www.virustotal.com\/gui\/file\/51758a9ddf92d19be7c69a60125fb3dfc303152e9bbc77478dfff497422f3d25\">VirusTotal\u306b\u9001\u4fe1\u6e08\u307f\u306e\u3053\u3061\u3089\u306e\u30d5\u30a1\u30a4\u30eb<\/a>\u3068\u540c\u3058\u3082\u306e\u306e\u306f\u305a\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/app.any.run\/tasks\/e2c36659-1070-4665-991c-245e900245b7\">\u62bd\u51fa\u3055\u308c\u305fVBS\u30d5\u30a1\u30a4\u30eb\u3092\u3053\u3061\u3089\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u306a\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5206\u6790<\/a>\u306b\u304b\u3051\u305f\u7d50\u679c\u304b\u3089\u306f\u3001\u3053\u308c\u304c\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u306b\u304a\u3051\u308b\u6b21\u306eQakbot\u95a2\u9023URL\u3001\u3059\u306a\u308f\u3061Qakbot\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3059URL\u3092\u751f\u6210\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-104425-windows-executable-for-qakbot\"><\/a>Qakbot\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb<\/h2>\n<p>\u62bd\u51fa\u3055\u308c\u305fVBS\u30d5\u30a1\u30a4\u30eb\u306f\u3001Qakbot\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3059URL\u3092\u751f\u6210\u3057\u307e\u3059\u30022019\u5e7412\u6708\u4ee5\u964d\u306eQakbot\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u7528URL\u306f44444.png\u307e\u305f\u306f444444.png\u3067\u7d42\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u5f0a\u793e<a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/autofocus\">AutoFocus<\/a>\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u30b5\u30fc\u30d3\u30b9\u3067\u898b\u3064\u304b\u3063\u305f\u3053\u308c\u3089Qakbot URL\u306e\u6700\u8fd1\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u88682\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>\u521d\u51fa<\/strong><\/td>\n<td><strong>Qakbot\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306eURL<\/strong><\/td>\n<\/tr>\n<tr>\n<td>2019-12-27<\/td>\n<td>hxxp:\/\/centre-de-conduite-roannais[.]com\/wp-content\/uploads\/2019\/12\/last\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-06<\/td>\n<td>hxxp:\/\/newsinside[.]info\/wp-content\/uploads\/2020\/01\/forward\/44444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-15<\/td>\n<td>hxxp:\/\/iike.xolva[.]com\/wp-content\/themes\/keenshot\/fast\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-17<\/td>\n<td>hxxp:\/\/deccolab[.]com\/fast\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-21<\/td>\n<td>hxxp:\/\/myrestaurant.coupoly[.]com\/wp-content\/uploads\/2020\/01\/along\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-22<\/td>\n<td>hxxp:\/\/alphaenergyeng[.]com\/wp-content\/uploads\/2020\/01\/ahead\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-23<\/td>\n<td>hxxp:\/\/claramohammedschoolstl[.]org\/wp-content\/uploads\/2020\/01\/upwards\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-23<\/td>\n<td>hxxp:\/\/creationzerodechet[.]com\/choice\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-26<\/td>\n<td>hxxp:\/\/productsphotostudio[.]com\/wp-content\/uploads\/2020\/01\/lane\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-27<\/td>\n<td>hxxp:\/\/sophistproduction[.]com\/wp-content\/uploads\/2020\/01\/choice\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-01-30<\/td>\n<td>hxxp:\/\/uofnpress[.]ch\/wp-content\/uploads\/2020\/01\/side\/444444.png<\/td>\n<\/tr>\n<tr>\n<td>2020-02-03<\/td>\n<td>hxxp:\/\/csrkanjiza[.]rs\/wp-content\/uploads\/2020\/02\/ending\/444444.png<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 10pt;\"><em>\u88682 Qakbot\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306eURL<\/em><\/span><\/p>\n<p>\u305d\u308c\u3067\u306f\u3001WireShark\u306b\u623b\u308a\u3001\u73fe\u5728\u306epcap\u3067\u300c<strong><em>hxxp.request.uri contains .png<\/em><\/strong>\u300d\u3068\u30d5\u30a3\u30eb\u30bf\u306b\u6307\u5b9a\u3057\u3066(\u5b9f\u969b\u306b\u306f\u56f315\u306b\u793a\u3057\u305f\u3088\u3046\u306b\u6587\u5b57\u5217hxxp\u306fhttp\u306b\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044)\u3001Qakbot\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u898b\u3064\u3051\u307e\u3057\u3087\u3046(\u56f315\u53c2\u7167)\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"258\"  class=\"wp-image-104456 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-15-finding-the-url-for-our-qakbot-executab.jpeg\" alt=\"Figure 15. Finding the URL for our Qakbot executable.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f315 \u5206\u6790\u4e2d\u306epcap\u304b\u3089Qakbot\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306eURL\u3092\u898b\u3064\u3051\u308b<\/span><\/p>\n<p>\u3067\u306f\u3053\u3053\u3067\u56f316\u3092\u53c2\u8003\u306b\u3001\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092pcap\u304b\u3089 <strong><em>[\u30d5\u30a1\u30a4\u30eb]\u30e1\u30cb\u30e5\u30fc\u3001[\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8]\u3001[HTTP]<\/em><\/strong> \u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3064\u3065\u3044\u3066\u56f317\u3092\u53c2\u8003\u306b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u7d50\u679c\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img width=\"1024\" height=\"506\"  class=\"wp-image-104458 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-16-exporting-our-qakbot-executable-from-th.jpeg\" alt=\"Figure 16. Exporting our Qakbot executable from the pcap.\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f316 pcap\u304b\u3089Qakbot\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u3068\u3053\u308d<br \/>\n([\u30d5\u30a1\u30a4\u30eb]\u30e1\u30cb\u30e5\u30fc\u3001[\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8]\u3001[HTTP]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3001\u30d1\u30b1\u30c3\u30c82957\u306ealphaenergyeng[.]com\u306e\u884c\u3092\u9078\u629e\u3057\u3066[Save]\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b)<\/span><\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"276\"  class=\"wp-image-104460 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-17-checking-the-exported-file-in-a-debian-.jpeg\" alt=\"Figure 17. Checking the exported file in a Debian-based Linux terminal window.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f317 Debian\u30d9\u30fc\u30b9\u306eLinux\u30bf\u30fc\u30df\u30ca\u30eb \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3068\u3053\u308d<br \/>\n(file\u30b3\u30de\u30f3\u30c9\u304a\u3088\u3073shasum\u30b3\u30de\u30f3\u30c9)<\/span><\/p>\n<p>\u3053\u306epcap\u304b\u3089\u62bd\u51fa\u3057\u305fQakbot\u306eWindows\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306f<a href=\"https:\/\/www.virustotal.com\/gui\/file\/56ee803fa903ab477f939b3894af6771aebf0138abe38ae8e3c41cf96bbb0f2a\">VirusTotal\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3053\u306e\u30d5\u30a1\u30a4\u30eb<\/a>\u3068\u540c\u3058\u3082\u306e\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002 <a href=\"https:\/\/app.any.run\/tasks\/fb9cffb1-7797-4827-8446-05fee3d6a3de\">\u3053\u3061\u3089\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u306a\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5206\u6790\u306b\u304b\u3051\u305f\u7d50\u679c([THREATS]\u30bf\u30d6\u306e[Message]\u5217\u53c2\u7167)<\/a> \u304b\u3089\u306fQakbot\u95a2\u9023\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u304c\u751f\u6210\u3055\u308c\u3001\u3053\u308c\u304cQbot\u3068\u3057\u3066\u8b58\u5225\u3055\u308c\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-104425-post-infection-https-activity\"><\/a>\u611f\u67d3\u5f8c\u306eHTTPS\u6d3b\u52d5<\/h2>\n<p>\u307e\u305a\u306f\u3001<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">\u4ee5\u524d\u306eWIreshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u3067\u4f5c\u6210\u3057\u305f\u300cbasic\u300d\u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u3044\u3001pcap\u306eWeb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3056\u3063\u3068\u773a\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002Qakbot\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3057\u3066\u3044\u308balphaenergyeng[.]com\u3078\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u5f8c\u306e\u6d3b\u52d5\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u30c0\u30a6\u30f3\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u56f318\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e\u306a\u304468.1.115[.]106\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3084SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u304c\u8907\u6570\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"608\"  class=\"wp-image-104462 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-18-https-or-ssl-tls-traffic-caused-by-qakb.jpeg\" alt=\"Figure 18. HTTPS or SSL\/TLS traffic caused by Qakbot.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f318 Qakbot\u306b\u3088\u308bHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068SSL\/TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/span><\/p>\n<p>\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f\u3001Qakbot\u611f\u67d3\u6642\u306b\u3088\u304f\u898b\u3089\u308c\u308b\u7570\u5e38\u306a\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u524d\u3001<a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">Ursnif\u611f\u67d3\u306e\u89e3\u6790\u3092\u3057\u305fWIreshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u3067\u3001\u3053\u3046\u3057\u305f\u7570\u5e38\u306a\u8a3c\u660e\u66f8\u767a\u884c\u8005\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u306d\u3002\u3084\u308a\u304b\u305f\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u304b\u305f\u306f\u3001\u3053\u3061\u3089\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u304a\u3055\u3089\u3044\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3067\u306f\u3001\u4ee5\u4e0b\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u3092\u6307\u5b9a\u3057\u3066Qakbot\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong><em>Ip.addr eq 68.1.115.186 and ssl.handshake.type eq 11 (WireShark 2.x\u306e\u5834\u5408)<\/em><\/strong><\/p>\n<p>Wireshark 3.0\u4ee5\u964d\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001<strong><em>ssl.handshake.type<\/em><\/strong>\u306e\u4ee3\u308f\u308a\u306b<strong><em>tls.handshake.type<\/em><\/strong>\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306b\u3001\u56f318\u306b\u793a\u3057\u305fQakbot\u751f\u6210\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6700\u521d\u306e\u30d5\u30ec\u30fc\u30e0(\u30d5\u30ec\u30fc\u30e03173)\u3092\u9078\u629e\u3057\u3066\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001[\u8ffd\u8de1]\u3001[TCP\u30b9\u30c8\u30ea\u30fc\u30e0]\u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059 (\u3053\u308c\u306b\u3088\u308atcp.stream eq 24\u304c\u8868\u793a\u3055\u308c\u307e\u3059)\u3002\u3053\u306e\u7d50\u679c\u300cServer Hello, Certificate, Server Hello Done\u300d\u3068 Info \u5217\u306b\u8868\u793a\u3055\u308c\u308b\u884c(\u30d5\u30ec\u30fc\u30e03174)\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u306e\u3067\u3001\u3053\u306e\u884c\u3092\u9078\u629e\u3057\u3066\u56f319\u306b\u793a\u3057\u305f\u624b\u9806\u3067\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u30d5\u30ec\u30fc\u30e0\u306e\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u5c55\u958b\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"723\"  class=\"wp-image-104464 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-19-reviewing-certificate-issuer-data-from.jpeg\" alt=\"Figure 19. Reviewing certificate issuer data from Qakbot traffic.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f319 Qakbot\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u8a3c\u660e\u66f8\u767a\u884c\u8005\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d(\u30d5\u30ec\u30fc\u30e03174)\u3002<br \/>\nWireshark3.x\u7cfb\u3067\u306f\u3001Secure Socket Layer \u306e\u90e8\u5206\u304c Transport Layer Security \u306b\u306a\u308b<\/span><\/p>\n<p>\u5e02\u533a\u753a\u6751\u540d(Locality Name)\u3001\u7d44\u7e54\u540d(Organization Name)\u3001\u30b3\u30e2\u30f3\u30cd\u30fc\u30e0(Common Name)\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u901a\u5e38\u306e\u3082\u306e\u304b\u3089\u306e\u4e56\u96e2\u304c\u898b\u3089\u308c\u3001\u6b63\u5f53\u306aHTTPS\u3001SSL\u3001TLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u898b\u3089\u308c\u308b\u8a3c\u660e\u66f8\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u8e0f\u8972\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306e\u767a\u884c\u8005\u30c7\u30fc\u30bf\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>id-at-countryName=<strong>ES<\/strong><\/li>\n<li>id-at-stateOrProvinceName=<strong>IA<\/strong><\/li>\n<li>id-at-localityName=<strong>Uorh Ofwa<\/strong><\/li>\n<li>id-at-organizationName=<strong>Coejdut Mavmtko Qxyemk Dxsjie LLC.<\/strong><\/li>\n<li>id-at-commonName=<strong>gaevietovp.mobi<\/strong><\/li>\n<\/ul>\n<h3><a id=\"post-104425-other-post-infection-traffic\"><\/a>\u305d\u306e\u4ed6\u306e\u611f\u67d3\u5f8c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/h3>\n<p>\u3055\u3066\u3001\u3053\u306epcap\u306b\u306f\u3001Qakbot\u611f\u67d3\u306b\u95a2\u9023\u3057\u305f\u4ed6\u306e\u6d3b\u52d5\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6d3b\u52d5\u306f\u305d\u308c\u81ea\u4f53\u306b\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3053\u308c\u307e\u3067\u306e\u8abf\u67fb\u7d50\u679c\u306b\u7167\u3089\u305b\u3070\u3001\u3053\u3053\u3067\u306eQakbot\u306b\u3088\u308b\u611f\u67d3\u306f\u3059\u3067\u306b\u5b8c\u4e86\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u60f3\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Qakbot\u611f\u67d3\u306e\u3082\u30461\u3064\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3068\u306a\u308b\u306e\u304c\u3001cdn.speedof[.]me\u3078\u306eHTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3speedof[.]me\u306f\u3001\u6b63\u898f\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u30c6\u30b9\u30c8\u30b5\u30fc\u30d3\u30b9\u306b\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3067\u3053\u308c\u81ea\u4f53\u306f\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001Qakbot\u306b\u611f\u67d3\u3059\u308b\u3068cdn.speedof[.]me\u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u983b\u7e41\u306b\u898b\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u56f320\u306f\u3001pcap\u304b\u3089\u62bd\u51fa\u3057\u305f\u3053\u306e\u6d3b\u52d5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"622\"  class=\"wp-image-104466 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-20-the-domain-cdn-speedof-me-within-the.jpeg\" alt=\"Figure 20. The domain cdn.speedof[.]me within the Qakbot traffic.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f320 Qakbot\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5185\u3067\u898b\u3064\u304b\u308b cdn.speedof[.]me \u30c9\u30e1\u30a4\u30f3\u3078\u306e\u63a5\u7d9a<\/span><\/p>\n<p>Qakbot\u306f\u307e\u305f\u3001\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u306e\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304d\u307e\u3059\u3002<a href=\"https:\/\/app.any.run\/tasks\/fb9cffb1-7797-4827-8446-05fee3d6a3de\">\u3053\u3061\u3089\u3067\u306e\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5206\u6790<\/a>\u304b\u3089\u306e\u30d3\u30c7\u30aa\u306e\u518d\u751f\u3067\u306f\u7d0413\u52065\u79d2\u5f8c\u3001Qakbot\u304cWindows 7\u30db\u30b9\u30c8\u4e0a\u3067Chrome\u3092\u958b\u304d\u3001\u6b21\u306bFirefox\u3092\u958b\u304d\u3001Internet Explorer\u3092\u958b\u3044\u3066\u3044\u308b\u69d8\u5b50\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u307e\u305f\u3053\u306e\u5206\u6790\u304b\u3089\u306fQakbot\u304c\u6b21\u306eURL\u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u305f\u69d8\u5b50\u3082\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>hxxp:\/\/store.nvprivateoffice[.]com\/redir_chrome.html<\/li>\n<li>hxxp:\/\/store.nvprivateoffice[.]com\/redir_ff.html<\/li>\n<li>hxxp:\/\/store.nvprivateoffice[.]com\/redir_ie.html<\/li>\n<\/ul>\n<p>\u30c9\u30e1\u30a4\u30f3nvprivateoffice[.]com\u306f2012\u5e74\u304b\u3089GoDaddy\u7d4c\u7531\u3067\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3001store.nvprivateoffice[.]com\u306fFedora\u30b5\u30fc\u30d0\u30fc\u4e0a\u306enginx\u306e\u30c7\u30d5\u30a9\u30eb\u30c8web\u30da\u30fc\u30b8\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306epcap\u306f\u3001Chrome\u3082Firefox\u3082\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u306a\u3044Windows 10\u30db\u30b9\u30c8\u3067\u306eQakbot\u611f\u67d3\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3053\u306epcap\u3067\u306f\u3001Internet Explorer\u3068\u65b0\u3057\u3044Chromium\u30d9\u30fc\u30b9\u306eMicrosoft Edge\u306eweb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u307f\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3069\u3061\u3089\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082Qakbot\u304c\u751f\u6210\u3057\u305fURL\u306fhxxp:\/\/store.nvprivateoffice[.]com\/redir_ie.html\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u6b21\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059(\u56f321\u53c2\u7167)\u3002<\/p>\n<p><strong><em>hxxp.request.full_uri contains store.nvprivateoffice<br \/>\n(\u3053\u3053\u3067\u3082\u5b89\u5168\u306e\u305f\u3081\u300chxxp\u300d\u3068\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u30d5\u30a3\u30eb\u30bf\u306b\u6307\u5b9a\u3059\u308b\u3055\u3044\u306f\u300chttp\u300d\u3068\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044)<\/em><\/strong><\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"315\"  class=\"wp-image-104468 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-21-finding-qakbot-traffic-that-opens-web-b.jpeg\" alt=\"Figure 21. Finding Qakbot traffic that opens web browsers on an infected Windows host.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f321 \u611f\u67d3Windows\u30db\u30b9\u30c8\u3067web\u30d6\u30e9\u30a6\u30b6\u3092\u958b\u304fQakbot\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u3064\u3051\u308b<\/span><\/p>\n<p>redir_ie.html\u3067\u7d42\u308f\u308b2\u3064\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u3001TCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u307e\u3057\u3087\u3046\u3002\u56f322\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306eInternet Explorer\u306eHTTP\u30d8\u30c3\u30c0\u306b\u306fUser-Agent\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u56f323\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u540c\u3058URL\u306b\u5bfe\u3059\u308b2\u756a\u76ee\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u306f\u3001\u65b0\u3057\u3044Chromium\u30d9\u30fc\u30b9\u306eMicrosoft Edge\u306eHTTP\u30d8\u30c3\u30c0\u306bUser-Agent\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"757\"  class=\"wp-image-104470 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-22-qakbot-traffic-to-store-nvprivateoffice.jpeg\" alt=\"Figure 22. Qakbot traffic to store.nvprivateoffice[.]com using Internet Explorer 11.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f322 Internet Explorer 11\u3092\u4f7f\u7528\u3059\u308bstore.nvprivateoffice[.]com\u3078\u306eQakbot\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3002<br \/>\nUser-Agent\u8a2d\u5b9a\u306f Windows 10 \u30db\u30b9\u30c8\u4e0a\u306e Internet Explorer 11 \u306e\u3082\u306e<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"758\"  class=\"wp-image-104472 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-23-qakbot-traffic-to-store-nvprivateoffice.jpeg\" alt=\"Figure 23. Qakbot traffic to store.nvprivateoffice[.]com using the new Chromium-based Microsoft Edge.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f323 Chromium\u30d9\u30fc\u30b9\u306eMicrosoft Edge\u3092\u4f7f\u7528\u3059\u308bstore.nvprivateoffice[.]com\u3078\u306eQakbot\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3002<br \/>\nUser-Agent\u8a2d\u5b9a\u306f Windows 10 \u30db\u30b9\u30c8\u4e0a\u306e\u65b0\u3057\u3044Chromium\u30d9\u30fc\u30b9\u306eMicrosoft Edge \u30d6\u30e9\u30a6\u30b6\u306e\u3082\u306e<br \/>\n<\/span><\/p>\n<p>\u6700\u5f8c\u306b\u3001\u4eca\u56de\u306eQakbot\u306b\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u306epcap\u306b\u306f\u3001SMTP\u3001IMAP\u3001POP3\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u30d7\u30ed\u30c8\u30b3\u30eb\u7528\u30dd\u30fc\u30c8\u306b\u5bfe\u3059\u308b\u96fb\u5b50\u30e1\u30fc\u30eb\u95a2\u9023TCP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eweb\u4ee5\u5916\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3069\u3093\u306a\u3082\u306e\u3067\u3042\u308b\u304b\u3092\u628a\u63e1\u3059\u308b\u306b\u306f\u3001\u6b21\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059(\u56f325\u53c2\u7167)\u3002<\/p>\n<p><strong><em>tcp.flags eq 0x0002 and !(tcp.port eq 80) and !(tcp.port eq 443)<\/em><\/strong><\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"864\"  class=\"wp-image-104474 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-25-getting-an-idea-of-the-non-web-related.jpeg\" alt=\"Figure 25. Getting an idea of the non-web-related traffic from this Qakbot infection.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f325 Qakbot\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u542b\u307e\u308c\u308bweb\u4ee5\u5916\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3092\u304a\u304a\u307e\u304b\u306b\u3064\u304b\u3080<\/span><\/p>\n<p>\u56f325\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b25\u3001110\u3001143\u3001465\u3001587\u3001993\u3001995\u306a\u3069\u306e\u30dd\u30fc\u30c8\u3078\u306eTCP\u63a5\u7d9a\u3068\u3001\u8a66\u884c\u3055\u308c\u305fTCP\u63a5\u7d9a\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u7d50\u679c\u306e\u6700\u521d\u306e2\u884c\u306f65400\/tcp\u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u95a2\u9023\u3059\u308bTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3053\u308c\u3082\u96fb\u5b50\u30e1\u30fc\u30eb\u95a2\u9023\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306eWireshark\u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3001\u611f\u67d3\u30db\u30b9\u30c8\u304b\u3089\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u95a2\u9023\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8a73\u7d30\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044(\u56f326\u53c2\u7167)\u3002<\/p>\n<p><strong><em>smtp or imap or pop<\/em><\/strong><\/p>\n<p><span style=\"font-size: 10pt;\"><img width=\"1024\" height=\"628\"  class=\"wp-image-104476 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/02\/figure-26-finding-email-related-traffic-caused-by.jpeg\" alt=\"Figure 26. Finding email-related traffic caused by Qakbot in this pcap.\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f326 pcap\u5185\u3067Qakbot\u304c\u751f\u6210\u3057\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u95a2\u9023\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u3064\u3051\u308b<\/span><\/p>\n<p>\u3053\u306e\u624b\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u628a\u63e1\u3059\u308b\u306b\u306f\u3044\u304f\u3064\u304bTCP\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8ffd\u8de1\u3057\u3066\u307f\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u901a\u5e38\u3067\u3042\u308c\u3070\u3001Windows\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30d1\u30d6\u30ea\u30c3\u30af\u306aIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u3053\u306e\u3088\u3046\u306b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u304b\u3051\u308b\u3053\u3068\u306f\u307e\u305a\u3042\u308a\u307e\u305b\u3093\u3002\u4ed6\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3068\u5408\u308f\u305b\u308c\u3070\u3001\u3053\u306e<strong><em>smtp\u3001imap\u3001pop<\/em><\/strong>\u30d5\u30a3\u30eb\u30bf\u304b\u3089Qakbot\u306b\u3088\u308b\u6d3b\u52d5\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-104425-conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Qakbot\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308bWindows\u611f\u67d3\u3092\u8abf\u3079\u308b\u3055\u3044\u306e\u30d2\u30f3\u30c8\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u305f\u3002Qakbot\u306b\u3088\u308b\u6700\u8fd1\u306e\u6d3b\u52d5\u30b5\u30f3\u30d7\u30eb\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/www.malware-traffic-analysis.net\">malware-traffic-analysis.net<\/a>\u306b\u3082\u591a\u6570\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u300eWireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7\u300f\u30b7\u30ea\u30fc\u30ba\u306e\u4ee5\u524d\u306e\u8b1b\u5ea7\u306f\u4ee5\u4e0b\u304b\u3089\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/unit42-customizing-wireshark-changing-column-display\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 1: Wireshark\u306e\u8868\u793a\u5217\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-display-filter-expressions\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 2: \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<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/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><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/using-wireshark-exporting-objects-from-a-pcap\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 4: Pcap\u304b\u3089\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/wireshark-tutorial-examining-trickbot-infections\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 5: Trickbot\u611f\u67d3\u306e\u8abf\u67fb<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/wireshark-tutorial-examining-ursnif-infections\/\">Wireshark \u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 6: Ursnif\u611f\u67d3\u306e\u8abf\u67fb<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Qakbot\u306fQbot\u3068\u3044\u3046\u540d\u524d\u3067\u3082\u77e5\u3089\u308c\u308b\u60c5\u5831\u7a83\u53d6\u3092\u884c\u3046\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002\u9577\u5e74\u306b\u308f\u305f\u308a\u6d3b\u767a\u306b\u5229\u7528\u3055\u308c\u3001\u975e\u5e38\u306b\u7279\u5fb4\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306eWireshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6700\u8fd1\u306eQakbot\u611f\u67d3<\/p>\n","protected":false},"author":35,"featured_media":104426,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4438,1974,4435],"tags":[4613,5245,4615,4617],"product_categories":[],"coauthors":[485],"class_list":["post-104425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-tutorials-ja","category-malware-ja","category-learning-hub-ja","tag-pcap-ja","tag-qakbot-ja","tag-wireshark-ja","tag-wireshark-tutorial-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>Wireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 7: Qakbot\u611f\u67d3\u306e\u8abf\u67fb<\/title>\n<meta name=\"description\" content=\"\u4eca\u56de\u306eWireshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6700\u8fd1\u306eQakbot\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\uff08pcap\uff09\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u304cQakbot\u306b\u3088\u308b\u611f\u67d3\u3092\u691c\u51fa\u30fb\u8abf\u67fb\u3059\u308b\u306b\u306f\u3001\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/tutorial-qakbot-infection\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wireshark\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u8b1b\u5ea7 7: Qakbot\u611f\u67d3\u306e\u8abf\u67fb\" \/>\n<meta property=\"og:description\" content=\"\u4eca\u56de\u306eWireshark\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6700\u8fd1\u306eQakbot\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\uff08pcap\uff09\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u304cQakbot\u306b\u3088\u308b\u611f\u67d3\u3092\u691c\u51fa\u30fb\u8abf\u67fb\u3059\u308b\u306b\u306f\u3001\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\" \/>\n<meta property=\"og:url\" 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