{"id":103047,"date":"2019-04-30T14:15:41","date_gmt":"2019-04-30T21:15:41","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=103047"},"modified":"2020-01-06T17:04:38","modified_gmt":"2020-01-07T01:04:38","slug":"muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks\/","title":{"rendered":"Muhstik \u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u304c\u6700\u65b0\u306eWebLogic\u8106\u5f31\u6027\u3092\u6697\u53f7\u901a\u8ca8\u30de\u30a4\u30cb\u30f3\u30b0\u3001DDoS\u653b\u6483\u306b\u60aa\u7528"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>2019\u5e744\u670828\u65e5\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0Unit 42\u306fLinux\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8Muhstik\u306e\u65b0\u3057\u3044\u4e9c\u7a2e\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u30012019\u5e744\u670826\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u6700\u65b0\u306eWebLogic Server\u8106\u5f31\u6027(<a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2019-2725\" target=\"_blank\" rel=\"noopener noreferrer\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:cve-2019-2725\">CVE-2019-2725<\/a>)\u3092\u60aa\u7528\u3057\u3066\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u81ea\u5206\u81ea\u8eab\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002Oracle\u306f\u672c\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u540c\u65e5<a href=\"https:\/\/www.oracle.com\/technetwork\/security-advisory\/alert-cve-2019-2725-5466295.html\" target=\"_blank\" rel=\"noopener noreferrer\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:\u7dca\u6025\u30d1\u30c3\u30c1\">\u7dca\u6025\u30d1\u30c3\u30c1<\/a>\u3092\u516c\u958b\u6e08\u307f\u3067\u3059\u3002\u5f0a\u793e\u3067\u306f\u3001\u540c\u793e\u306e\u7dca\u6025\u30d1\u30c3\u30c1\u306b\u3088\u308a\u3001Muhstik\u6700\u65b0\u4e9c\u7a2e\u304b\u3089\u6b63\u3057\u304f\u4fdd\u8b77\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u6e08\u307f\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u79c1\u305f\u3061\u306f\u3001Muhstik\u306e\u958b\u767a\u8005\u304c\u65b0\u3057\u3044Linux\u30b5\u30fc\u30d3\u30b9\u306e\u8106\u5f31\u6027\u5411\u3051\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u7a4d\u6975\u7684\u306b\u76e3\u8996\u3057\u3001\u305f\u3060\u3061\u306b\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u306b\u60aa\u7528\u3059\u308b\u69d8\u5b50\u3092\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u304b\u3089\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u884c\u52d5\u306f\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u306b\u65b0\u3057\u3044\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u306a\u308b\u3079\u304f\u65e9\u671f\u306b\u542b\u3081\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30d1\u30c3\u30c1\u9069\u7528\u524d\u306b\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u3088\u308a\u591a\u304f\u306e\u30dc\u30c3\u30c8\u3092\u53ce\u96c6\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308b\u304b\u3089\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u3068\u306e\u7af6\u5408\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u4e0b\u3067\u3001\u30b5\u30fc\u30d3\u30b9\u30d9\u30f3\u30c0\u3068\u30e6\u30fc\u30b6\u306e\u4e21\u8005\u304c\u3001\u304a\u306e\u304a\u306e\u30d1\u30c3\u30c1\u306e\u30ea\u30ea\u30fc\u30b9\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u8106\u5f31\u6027\u306b\u5bfe\u51e6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/blog.netlab.360.com\/botnet-muhstik-is-actively-exploiting-drupal-cve-2018-7600-in-a-worm-style-en\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:muhstik\">Muhstik<\/a>\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u306f2018\u5e743\u6708\u304b\u3089\u6d3b\u52d5\u3092\u7d9a\u3051\u3066\u304a\u308a\u3001Linux\u30b5\u30fc\u30d0\u30fc\u3084IoT\u30c7\u30d0\u30a4\u30b9\u306b\u611f\u67d3\u3059\u308b\u30ef\u30fc\u30e0\u306e\u3088\u3046\u306a\u81ea\u5df1\u5897\u6b96\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u4fb5\u5bb3\u5f8c\u306f\u901a\u5e38\u3001\u6697\u53f7\u901a\u8ca8\u30de\u30a4\u30cb\u30f3\u30b0\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068DDoS\u653b\u6483\u3092\u958b\u59cb\u3059\u308b\u3053\u3068\u3067\u653b\u6483\u8005\u306b\u91d1\u92ad\u7684\u5229\u76ca\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002Muhstik\u306f\u3001WebLogic\u3001WordPress\u3001Drupal\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306aLinux\u30b5\u30fc\u30d3\u30b9\u306b\u8907\u6570\u306e\u8106\u5f31\u6027\u306e\u60aa\u7528\u3092\u5229\u7528\u3057\u3066\u611f\u67d3\u3057\u307e\u3059\u3002\u4ee5\u524d\u306eMuhstik\u306f\u53e4\u3044WebLogic\u306e\u8106\u5f31\u6027\u306e\u60aa\u7528\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3057\u305f(<a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2017-10271\" target=\"_blank\" rel=\"noopener noreferrer\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:cve-2017-10271\">CVE-2017-10271<\/a>)\u304c\u3001\u4eca\u56de\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u611f\u67d3\u53ef\u80fd\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u6570\u3092\u5897\u3084\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044Weblogic\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8<\/p>\n<p>WildFire Linux\u30a2\u30ca\u30e9\u30a4\u30b6\u3092\u4f7f\u7528\u3057\u3066\u30013\u3064\u306e\u65b0\u3057\u3044Muhstik\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u306eCVE-2019-2725 WebLogic\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u307e\u3057\u305f\u3002\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u306f\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u7528\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\u304c1\u3064\u3060\u3051\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304cwl.php\u3067\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u5143\u00a0IP\u30a2\u30c9\u30ec\u30b9\u306f165.227.78[.]159\u3067\u3059\u3002wl.php\u306f\u3001\u73fe\u6642\u70b9\u3067\u306f\u6b63\u5e38\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u79c1\u305f\u3061\u306f\u3053\u308c\u304c PHP\u306e webshell \u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u975e\u5e38\u306b\u9ad8\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9165.227.78[.]159\u306f\u4ee5\u524d\u3001Mushtik\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u3067<a href=\"https:\/\/blog.netlab.360.com\/gpon-exploit-in-the-wild-i-muhstik-botnet-among-others-en\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:\u30ec\u30dd\u30fc\u30c8\u5148\u30b5\u30fc\u30d0\">\u30ec\u30dd\u30fc\u30c8\u5148\u30b5\u30fc\u30d0<\/a>\u3068\u3057\u3066\u52d5\u4f5c\u3057\u3001\u30dc\u30c3\u30c8\u306e\u60c5\u5831\u3092\u53ce\u96c6\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u4eca\u3067\u306f\u3001\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u30da\u30a4\u30ed\u30fc\u30c9\u30db\u30b9\u30c8\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/unit42-preview.paloaltonetworks.com\/wp-content\/uploads\/2019\/04\/Figure-1.-The-exploit-traffic-from-new-Muhstik-samples.png\" rel=\"wpdevart_lightbox\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:\"><img  class=\"lozad aligncenter size-full wp-image-96877 lozad\"  data-src=\"https:\/\/unit42-preview.paloaltonetworks.com\/wp-content\/uploads\/2019\/04\/Figure-1.-The-exploit-traffic-from-new-Muhstik-samples.png\" sizes=\"(max-width: 664px) 100vw, 664px\" srcset=\"https:\/\/unit42-preview.paloaltonetworks.com\/wp-content\/uploads\/2019\/04\/Figure-1.-The-exploit-traffic-from-new-Muhstik-samples.png 664w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/04\/Figure-1.-The-exploit-traffic-from-new-Muhstik-samples-300x140.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/04\/Figure-1.-The-exploit-traffic-from-new-Muhstik-samples-370x172.png 370w\" width=\"664\" height=\"309\" data-src=\"https:\/\/unit42-preview.paloaltonetworks.com\/wp-content\/uploads\/2019\/04\/Figure-1.-The-exploit-traffic-from-new-Muhstik-samples.png\" data-loaded=\"true\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><i>\u56f31 \u65b0\u3057\u3044Muhstik\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/i><\/span><\/p>\n<h2>\u7d50\u8ad6 \/ \u7de9\u548c\u7b56<\/h2>\n<p>Oracle WebLogic\u306ewls9-async RCE\u306e\u8106\u5f31\u6027\u306f\u3001\u73fe\u5728\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6d3b\u767a\u306bMuhstik\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u306b\u3088\u3063\u3066\u60aa\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u5c06\u6765\u7684\u306b\u306f\u4ed6\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u304b\u3089\u3082\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/www.oracle.com\/technetwork\/security-advisory\/alert-cve-2019-2725-5466295.html\" target=\"_blank\" rel=\"noopener noreferrer\" data-page-track=\"true\" data-page-track-value=\"company:muhstik-botnet-exploits-the-latest-weblogic-vulnerability-for-cryptomining-and-ddos-attacks: section:\u30a8\u30b0\u30bc\u30af\u30c6\u30a3\u30d6\u30b5\u30de\u30ea\u30fc:oracle\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30e9\u30fc\u30c8\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\">Oracle\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30e9\u30fc\u30c8\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u304b\u3089\u306e\u6307\u793a\u306b\u5fc5\u305a\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u305d\u308c\u307e\u3067\u306e\u9593\u3001Palo Alto Networks\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u306e\u4fdd\u8b77\u306b\u3088\u3063\u3066\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>Threat Prevention 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