{"id":120359,"date":"2021-08-30T06:00:34","date_gmt":"2021-08-30T13:00:34","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=120359"},"modified":"2021-08-30T00:34:31","modified_gmt":"2021-08-30T07:34:31","slug":"cve-2021-32305-websvn","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/cve-2021-32305-websvn\/","title":{"rendered":"\u65b0\u305f\u306aMirai\u4e9c\u7a2eWebSVN\u306e\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\uff08CVE-2021-32305\uff09\u3092\u6a19\u7684\u306b"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>\u6700\u8fd1\u3001WebSVN\uff08Subversion\u30ea\u30dd\u30b8\u30c8\u30ea\u95b2\u89a7\u7528\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\u304c\u516c\u958b\u3055\u308c\u3001\u3053\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5b9f\u969b\u306b\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u300c\u7dca\u6025\u300d\u306e\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\u306f2021\u5e745\u6708\u306b\u767a\u898b\u3055\u308c\u3066\u4fee\u6b63\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002PoC\uff08\u6982\u5ff5\u5b9f\u8a3c\uff09\u304c\u516c\u958b\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u9031\uff082021\u5e746\u670826\u65e5\uff09\u306e\u3046\u3061\u306b\u653b\u6483\u8005\u306f\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066DDoS\u30de\u30eb\u30a6\u30a7\u30a2\u300cMirai\u300d\u306e\u4e9c\u7a2e\u3092\u5c55\u958b\u3057\u307e\u3057\u305f\u3002WebSVN\u3092\u304a\u4f7f\u3044\u306e\u65b9\u306f\u3001\u6700\u65b0\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\u306b<a href=\"https:\/\/github.com\/websvnphp\/websvn\/releases\">\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b<\/a>\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u306f\u3001<a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2021-32305\">CVE-2021-32305<\/a>\u306e\u60aa\u7528\u304b\u3089\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u3057\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u306fMirai\u306e\u4e9c\u7a2e\u3092\u691c\u51fa\u3057\u3066\u611f\u67d3\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<h2>CVE-2021-32305\u306e\u6839\u672c\u539f\u56e0\u3068\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u89e3\u6790<\/h2>\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u95b2\u89a7\u3092\u884c\u3046\u591a\u304f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30c4\u30fc\u30eb\u540c\u69d8\u3001WebSVN \u3067\u3082\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u5909\u66f4\u7b87\u6240\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u30ea\u30d3\u30b8\u30e7\u30f3\u5c65\u6b74\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u691c\u7d22\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001PHP\u3067\u66f8\u304b\u308c\u305f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_120319\" aria-describedby=\"caption-attachment-120319\" style=\"width: 760px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120320 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-55.png\" alt=\"search.php\u306e\u300csearch\u300d\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u5185\u5bb9\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3078\u306ePHP\u30af\u30a8\u30ea\u304c\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u691c\u7d22\u8981\u6c42\u3092\u51e6\u7406\u3057\u3066\u30ea\u30d3\u30b8\u30e7\u30f3\u5c65\u6b74\u306b\u3042\u308b\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u7b87\u6240\u3092\u898b\u3064\u3051\u3066\u304d\u307e\u3059\u3002 \" width=\"760\" height=\"29\" \/><figcaption id=\"caption-attachment-120319\" class=\"wp-caption-text\">\u56f31 \u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u5185\u5bb9\u306fsearch.php\u306e search \u30d1\u30e9\u30e1\u30fc\u30bf\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u308b<\/figcaption><\/figure>\n<p>WebSVN 2.6.1 \u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\u3067\u306e\u4f7f\u7528\u6642\u306b\u30e6\u30fc\u30b6\u30fc\u306e\u691c\u7d22\u30af\u30a8\u30ea\u304c\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u307e\u305b\u3093\u3002<span style=\"font-family: 'courier new', courier, monospace;\">include\/svnlook.php<\/span>\u5185\u3067\u306f<span style=\"font-family: 'courier new', courier, monospace;\">getListSearch<\/span>\u3068\u3044\u3046\u95a2\u6570\u304c\u3001\u691c\u7d22\u30af\u30a8\u30ea\u3068\u30b3\u30de\u30f3\u30c9\u5f15\u6570\u3092\u9023\u7d50\u3057\u3066\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_120321\" aria-describedby=\"caption-attachment-120321\" style=\"width: 761px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120322 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-56.png\" alt=\"include\/svnlook.php\u5185\u3067\u306fgetListSearch\u3068\u3044\u3046\u95a2\u6570\u304c\u3001\u691c\u7d22\u30af\u30a8\u30ea\u3068\u30b3\u30de\u30f3\u30c9\u5f15\u6570\u3092\u9023\u7d50\u3057\u3066\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u308b \" width=\"761\" height=\"53\" \/><figcaption id=\"caption-attachment-120321\" class=\"wp-caption-text\">\u56f32 SVN\u30b3\u30de\u30f3\u30c9\u306f\u691c\u7d22\u30af\u30a8\u30ea\u3068\u9023\u7d50\u3057\u3066\u4f5c\u6210\u3055\u308c\u308b<\/figcaption><\/figure>\n<p>\u6700\u7d42\u7684\u306b\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">include\/command.php<\/span>\u5185\u306e<span style=\"font-family: 'courier new', courier, monospace;\">runCommand<\/span>\u3068\u3044\u3046\u95a2\u6570\u304c\u3001PHP\u306e<span style=\"font-family: 'courier new', courier, monospace;\">proc_open<\/span>\u95a2\u6570\u306b\u6e21\u3055\u308c\u308b\u3053\u3068\u3067\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u95a2\u3059\u308b\u4ee5\u4e0b\u306e\u8b66\u544a\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_120323\" aria-describedby=\"caption-attachment-120323\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120324 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-57.png\" alt=\"\" width=\"900\" height=\"128\" \/><figcaption id=\"caption-attachment-120323\" class=\"wp-caption-text\">\u56f33 PHP\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/figcaption><\/figure>\n<p>\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u5165\u529b\u304c\u9069\u5207\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3001\u691c\u7d22\u30af\u30a8\u30ea\u306b\u7279\u6b8a\u6587\u5b57\u3092\u542b\u3081\u308b\u3053\u3068\u3067\u30b3\u30fc\u30c9\u5b9f\u884c\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3059\u308b\u305f\u3081\u3001<span style=\"font-family: 'courier new', courier, monospace;\">escapeshellarg<\/span>\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u3092\u30b5\u30cb\u30bf\u30a4\u30ba\u3057\u3066\u304b\u3089\u3001\u4ed6\u306e\u30b3\u30de\u30f3\u30c9\u5f15\u6570\u306b\u9023\u7d50\u3059\u308b\u3088\u3046\u306b\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_120325\" aria-describedby=\"caption-attachment-120325\" style=\"width: 820px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120326 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-58.png\" alt=\"\u691c\u7d22\u30af\u30a8\u30ea\u306b\u7279\u6b8a\u6587\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u3066\u3082\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u304c\u53ef\u80fd\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u3001escapeshellarg\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u3092\u30b5\u30cb\u30bf\u30a4\u30ba\u3057\u3066\u304b\u3089\u4ed6\u306e\u30b3\u30de\u30f3\u30c9\u5f15\u6570\u306b\u9023\u7d50\u3059\u308b\u3088\u3046\u306b\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u8106\u5f31\u6027\u304c\u4fee\u6b63\u3055\u308c\u3066\u3044\u308b \" width=\"820\" height=\"107\" \/><figcaption id=\"caption-attachment-120325\" class=\"wp-caption-text\">\u56f34 \u8106\u5f31\u6027\u306e\u4fee\u6b63<\/figcaption><\/figure>\n<p>\u3053\u306e\u307b\u304b\u306b\u306f\u3001\u7b2c1\u5f15\u6570\u3068\u3057\u3066\u6587\u5b57\u5217\u306e\u914d\u5217\u3092\u6e21\u3059\u3053\u3068\u3067<span style=\"font-family: 'courier new', courier, monospace;\">proc_open<\/span>\u306b\u81ea\u52d5\u7684\u306b\u30b3\u30de\u30f3\u30c9\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u3055\u305b\u3001\u30af\u30a9\u30fc\u30c8\u3055\u305b\u308b\u89e3\u6c7a\u65b9\u6cd5\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u3088\u308a\u7c21\u6f54\u3067\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5bb9\u6613\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u306b\u5927\u304d\u306a\u5909\u66f4\u3092\u52a0\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3084\u3001\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3068\u306e\u4e92\u63db\u6027\u304c\u306a\u3044\u3053\u3068\u304c\u3001\u3053\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u9078\u3070\u308c\u306a\u304b\u3063\u305f\u7406\u7531\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">proc_open(['svn', 'list', '-R', '--search', $searchstring, '--xml'], ...);<\/pre>\n<p style=\"text-align: center;\"><span style=\"color: #999999; font-size: 11pt;\"><sup><em>\u56f35 shell\u30b3\u30de\u30f3\u30c9\u3092\u5b89\u5168\u306b\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u4eee\u30b3\u30fc\u30c9<\/em><\/sup><\/span><\/p>\n<h2>\u5b9f\u969b\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8<\/h2>\n<p>CVE-2021-32305\u306e\u516c\u958b\u76f4\u5f8c\u3001Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u3053\u306eCVE\u304c\u5b9f\u969b\u306b\u653b\u6483\u8005\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u69d8\u5b50\u3092\u89b3\u6e2c\u3057\u307e\u3057\u305f\u3002\u653b\u6483\u306e\u4e00\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_120327\" aria-describedby=\"caption-attachment-120327\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120328 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-59.png\" alt=\"CVE-2021-32305\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u306e\u4f8b\u653b\u6483\u8005\u306f\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u611f\u67d3\u3055\u305b\u308b\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002 \" width=\"900\" height=\"261\" \/><figcaption id=\"caption-attachment-120327\" class=\"wp-caption-text\">\u56f36 HTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/figcaption><\/figure>\n<p>\u653b\u6483\u8005\u306f\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u611f\u67d3\u3055\u305b\u308b\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u3053\u3046\u3044\u3063\u305fWeb\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u5834\u5408\u3001\u5bfe\u8c61\u3068\u306a\u308b\u74b0\u5883\u306e\u91cd\u8981\u60c5\u5831\u3092\u653b\u6483\u8005\u304c\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070Web\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3084\u30d7\u30ed\u30bb\u30c3\u30b5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306a\u3069\u306e\u60c5\u5831\u3067\u3059\u3002\u653b\u6483\u306e\u6b21\u306e\u6bb5\u968e\u3067\u4f7f\u7528\u3055\u308c\u308b\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u653b\u6483\u8005\u304c\u3053\u306e\u554f\u984c\u3092\u514b\u670d\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_120329\" aria-describedby=\"caption-attachment-120329\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120330 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-60.png\" alt=\"\u3053\u306e\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u653b\u6483\u8005\u304c\u5bfe\u8c61\u3068\u306a\u308b\u74b0\u5883\u306e\u91cd\u8981\u60c5\u5831\u3092\u653b\u6483\u8005\u306f\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u554f\u984c\u3092\u514b\u670d\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u653b\u6483\u8005\u306f\u3001\u5bfe\u8c61\u306e\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b12\u7a2e\u985e\u306e\u7570\u306a\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u691c\u51fa\u3059\u308b\u304b\u308f\u308a\u306b\u30b7\u30f3\u30d7\u30eb\u306b\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u3067\u53ef\u80fd\u6027\u306e\u3042\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u3059\u3079\u3066\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3002 \" width=\"900\" height=\"199\" \/><figcaption id=\"caption-attachment-120329\" class=\"wp-caption-text\">\u56f37 \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8<\/figcaption><\/figure>\n<p>\u60aa\u610f\u306e\u3042\u308bLinux\u30d0\u30a4\u30ca\u30ea\u304c12\u7a2e\u985e\u306e\u7570\u306a\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u7528\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5bfe\u8c61\u306e\u74b0\u5883\u3067\u3069\u308c\u304c\u6b63\u3057\u3044\u3082\u306e\u304b\u3092\u691c\u51fa\u3059\u308b\u304b\u308f\u308a\u306b\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\uff08\u7dcf\u5f53\u308a\uff09\u65b9\u5f0f\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u53ef\u80fd\u6027\u306e\u3042\u308b\u3059\u3079\u3066\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fb\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u3001\u4e92\u63db\u6027\u304c\u306a\u3044\u5834\u5408\u306e\u30a8\u30e9\u30fc\u306f\u7121\u8996\u3057\u307e\u3059\u3002WebSVN\u306f\u3001\u591a\u304f\u306eOS\u3067\u52d5\u4f5c\u53ef\u80fd\u306a\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306ePHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u304c\u3001\u3053\u306e\u653b\u6483\u3067\u306fLinux\u30d0\u30a4\u30ca\u30ea\u306e\u307f\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5206\u6790<\/h2>\n<p>\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u5206\u6790\u3059\u308b\u3068\u3001\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\uff08DDoS\uff09\u653b\u6483\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3084\u3001\u30b3\u30fc\u30c9\u306e\u4e00\u90e8\u3092\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u30d5\u30a1\u30df\u30ea\u300cMirai\u300d\u3068\u5171\u6709\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306f\u4eba\u6c17\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d1\u30c3\u30ab\u30fc\u306eUPX\u3092\u4fee\u6b63\u3057\u305f\u3082\u306e\u3067\u5727\u7e2e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u3053\u306e\u30d1\u30c3\u30ab\u30fc\u306f\u4fee\u6b63\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u5206\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u3067\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e\u81ea\u52d5\u89e3\u51cd\u306b\u6210\u529f\u3059\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u304f\u306a\u308a\u3001\u5206\u6790\u306b\u306f\u3088\u308a\u591a\u304f\u306e\u624b\u4f5c\u696d\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u4f9d\u5b58\u95a2\u4fc2\u306b\u3042\u308b\u3059\u3079\u3066\u306e\u3082\u306e\u3092\u9759\u7684\u306b\u30ea\u30f3\u30af\u3057\u3001\u30b3\u30fc\u30c9\u5185\u3067\u76f4\u63a5\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u79fb\u690d\u6027\u3092\u6301\u305f\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u30dd\u30fc\u30c8\u756a\u53f7666\u3067\u7d99\u7d9a\u7684\u306b\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08C2\uff09\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u3092\u8a66\u307f\u307e\u3059\u3002\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u3068\u3001\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30ab\u30b9\u30bf\u30e0TCP\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u901a\u4fe1\u3057\u307e\u3059\u3002\u307e\u305aC2\u306b\u305d\u306e\u69cb\u9020\u3092\u77e5\u3089\u305b\u3001\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u304b\u3089\u306e\u6307\u793a\u3092\u5f85\u3061\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_120331\" aria-describedby=\"caption-attachment-120331\" style=\"width: 588px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-120332 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/08\/word-image-61.png\" alt=\"\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306f\u3001CVE-2021-32305\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u4ecb\u3057\u3066\u914d\u4fe1\u3055\u308c\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30f3\u30d7\u30eb\u306eC2\u30b3\u30de\u30f3\u30c9\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30e1\u30a4\u30f3\u30eb\u30fc\u30d7\u3092\u793a\u3057\u3066\u3044\u308b \" width=\"588\" height=\"144\" \/><figcaption id=\"caption-attachment-120331\" class=\"wp-caption-text\">\u56f38 C2\u30b3\u30de\u30f3\u30c9\u51e6\u7406\u306e\u30e1\u30a4\u30f3\u30eb\u30fc\u30d7<\/figcaption><\/figure>\n<p>\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u306e\u4e3b\u306a\u76ee\u7684\u306fDDoS\u653b\u6483\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u653b\u6483\u306e\u6709\u52b9\u6027\u306f\u4f7f\u7528\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u30c6\u30af\u30cb\u30c3\u30af\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u79c1\u305f\u3061\u304c\u5206\u6790\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306b\u306f8\u7a2e\u985e\u306e\u653b\u6483\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u30bf\u30a4\u30d7\u306e\u6a19\u7684\u306b\u5bfe\u3057\u3066\u6709\u52b9\u306b\u306a\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u8868\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u304c\u305d\u308c\u305e\u308c\u306e\u653b\u6483\u306e\u958b\u59cb\u306b\u3042\u305f\u3063\u3066\u9001\u4fe1\u3067\u304d\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/p>\n<table style=\"width: 100.021%;\">\n<tbody>\n<tr>\n<td style=\"width: 15.683%;\"><b>\u30b3\u30de\u30f3\u30c9<\/b><\/td>\n<td style=\"width: 9.75995%;\"><b>\u30d7\u30ed\u30c8\u30b3\u30eb<\/b><\/td>\n<td style=\"width: 138.055%;\"><b>\u8aac\u660e<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">OVHHEX<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">UDP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">\u30d5\u30e9\u30f3\u30b9\u306e\u30af\u30e9\u30a6\u30c9\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u4f01\u696dOVH\u304c\u30db\u30b9\u30c8\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u653b\u6483\u5bfe\u8c61\u3068\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">UDPBYPASS<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">UDP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u6642\u9593\u3092\u8a08\u7b97\u3057\u3066\u7d30\u5de5\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7de9\u548c\u7b56\u3092\u56de\u907f\u3057\u3088\u3046\u3068\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">NFOHEX<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">UDP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">\u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3055\u308c\u305f16\u9032\u6570\u30c7\u30fc\u30bf\u3092\u5927\u91cf\u306b\u9001\u308a\u3064\u3051\u308b\u3053\u3068\u3067\u6a19\u7684\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u67af\u6e07\u3055\u305b\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">STD<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">UDP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">\u3042\u3089\u304b\u3058\u3081\u5b9a\u7fa9\u3055\u308c\u305f3\u3064\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30ea\u30b9\u30c8\u304b\u3089\u30e9\u30f3\u30c0\u30e0\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">VSE<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">UDP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">Valve Source Engine\u3067\u69cb\u7bc9\u3055\u308c\u305f\u30b2\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u653b\u6483\u5bfe\u8c61\u3068\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">TCP<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">TCP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">TCP\u30d9\u30fc\u30b9\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5bfe\u3059\u308b\u6c4e\u7528\u306e\u653b\u6483<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">SYN<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">TCP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">TCP\u63a5\u7d9a\u8981\u6c42\u3092\u507d\u88c5\u3057\u305fSYN\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.683%;\"><span style=\"font-weight: 400;\">ACK<\/span><\/td>\n<td style=\"width: 9.75995%;\"><span style=\"font-weight: 400;\">TCP<\/span><\/td>\n<td style=\"width: 138.055%;\"><span style=\"font-weight: 400;\">\u80af\u5b9a\u5fdc\u7b54\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u507d\u88c5\u3057\u305fACK\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"color: #999999; font-size: 11pt;\"><sup><em>\u88681 DDoS\u306e\u624b\u6cd5<\/em><\/sup><\/span><\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u6700\u8fd1\u3001WebSVN\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\u304c\u516c\u958b\u3055\u308c\u3001\u3053\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5b9f\u969b\u306b\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3042\u308b\u7279\u5b9a\u306e\u653b\u6483\u3067\u306f\u3001\u3053\u306e\u8106\u5f31\u6027\u304cDDoS\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5c55\u958b\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u4eca\u5f8c\u3082\u6700\u65b0\u306e\u8106\u5f31\u6027\u3092\u4f7f\u3063\u3066\u611f\u67d3\u30c7\u30d0\u30a4\u30b9\u8ecd\u3092\u62e1\u5f35\u3057\u3001DDoS\u653b\u6483\u306e\u5f37\u5ea6\u3092\u9ad8\u3081\u3066\u3044\u304f\u3053\u3068\u3067\u3057\u3087\u3046\u3002WebSVN\u3092\u304a\u4f7f\u3044\u306e\u65b9\u306f\u3001\u6700\u65b0\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\u306b<a href=\"https:\/\/github.com\/websvnphp\/websvn\/releases\">\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b<\/a>\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u3054\u5229\u7528\u4e2d\u306e\u304a\u5ba2\u69d8\u306f\u4ee5\u4e0b\u306e\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u308a\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/subscriptions\/threat-prevention\">\u8105\u5a01\u9632\u5fa1<\/a>\u306f\u3001\u8105\u5a01\u9632\u5fa1\u30b7\u30b0\u30cd\u30c1\u30e3<a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=91280\">91280<\/a>\u3092\u4ecb\u3057\u305f<a href=\"https:\/\/docs.paloaltonetworks.com\/best-practices\/10-1\/internet-gateway-best-practices\/best-practice-internet-gateway-security-policy\/create-best-practice-security-profiles.html\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>\u306b\u3088\u308a\u653b\u6483\u3092\u30d6\u30ed\u30c3\u30af\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u306f\u3053\u308c\u3089\u306e\u653b\u6483\u3092\u6b63\u78ba\u306b\u691c\u77e5\u3057\u3001\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/network-security\/advanced-url-filtering\">Advanced URL Filtering<\/a>\u306b\u3088\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>Cortex XDR\u306fMirai\u4e9c\u7a2e\u3092\u691c\u51fa\u3057\u611f\u67d3\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<h3>IoC<\/h3>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">75.119.143[.]229<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">e6f20e73af6cc393dd139b32117a8681e15edfe61c157f3509d1e740184b3d5c<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">c782f9cdec637503472bc62d25348cefccc3de58244441547f3e2ed9b22c6c93<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">63c2cae1f3d04d81a4a1dcd773c62d7e9a71cf7e3ae0c5a9f931353e86f11651<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">3cc3d7d32e8c85e0c594ca5cb2ecfbfba66ebbc1853bcb02c2a39fce9f238dbc<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">dc7cf2212f09482ac034eb7e9f89ef0cec8bc9532d4fe2db8a880c2e1e4ee8a2<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">8cc43db17480170fac3213518fe18d52a5648ce04060561d6359d6c589a4321c<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">b09c85e75f65a9acc4693957caf4b4c56dd808c7d0d657c1bc9f74a1bd772abe<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">a55a2318e95dcfbe2d2082ee569642034ab05168fa0142ff1009798131b61f52<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">b43fd19dfeeb89507f9de162e7a727fa6024ca4b1d19cb5c44e53755200f2b66<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">7dc972346b9f82709bbcaabc30f126984468e60f2b085091471a9796ac4539b9<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">f4d851908e900d9201597f898cbb4420772a935901f25a77b31fc80e7cbc88b3<br \/>\n<\/span><span style=\"font-family: 'courier new', courier, monospace;\">889cc2a3e06c5770ff23017aa067cd8a01b8b410e143e9da63542ead7ce484da<\/span><\/p>\n<h3>\u8ffd\u52a0\u8cc7\u6599<\/h3>\n<p><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/mirai-ja\/\">Unit 42\u306b\u3088\u308bMirai\u95a2\u9023\u306e\u30ea\u30b5\u30fc\u30c1<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u6700\u8fd1\u3001WebSVN\uff08Subversion\u30ea\u30dd\u30b8\u30c8\u30ea\u95b2\u89a7\u7528\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\u304c\u516c\u958b\u3055\u308c\u3001\u3053\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5b9f\u969b\u306b\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053<\/p>\n","protected":false},"author":340,"featured_media":134410,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4469,4428,4470],"tags":[4689,5909,5769,5910],"product_categories":[4346,4442,4443,4444,4448,4456],"coauthors":[2070,2478],"class_list":["post-120359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vulnerabilities","category-threat-research-ja","category-vulnerabilities-ja","tag-botnet-ja","tag-cve-2021-32305-ja","tag-ddos-ja","tag-websvn","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-ja","product_categories-advanced-url-filtering-ja","product_categories-advanced-wildfire-ja","product_categories-cortex-xdr-ja","product_categories-next-generation-firewall-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u65b0\u305f\u306aMirai\u4e9c\u7a2eWebSVN\u306e\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\uff08CVE-2021-32305\uff09\u3092\u6a19\u7684\u306b<\/title>\n<meta name=\"description\" content=\"WebSVN\u306b\u898b\u3064\u304b\u3063\u305f\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\u306e\u516c\u958b\u5f8c\u5b9f\u969b\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002PoC\u306e\u516c\u958b\u304b\u3089\u4e00\u9031\u9593\u3068\u305f\u305f\u305a\u3001Mirai\u4e9c\u7a2e\u304c\u5c55\u958b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002WebSVN\u3092\u304a\u4f7f\u3044\u306e\u65b9\u306f\u6700\u65b0\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2021-32305-websvn\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u65b0\u305f\u306aMirai\u4e9c\u7a2eWebSVN\u306e\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\uff08CVE-2021-32305\uff09\u3092\u6a19\u7684\u306b\" \/>\n<meta property=\"og:description\" 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