{"id":1357,"date":"2021-09-07T14:31:41","date_gmt":"2021-09-07T06:31:41","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=1357"},"modified":"2021-09-09T16:56:06","modified_gmt":"2021-09-09T08:56:06","slug":"conti%e5%8b%92%e7%b4%a2%e8%bb%9f%e9%ab%94%e7%9a%84%e6%9c%83%e5%93%a1%e5%80%9f%e5%8a%a9-proxyshell%e6%bc%8f%e6%b4%9e%ef%bc%8c%e6%94%bb%e6%93%8a-microsoft-exchange%e4%bc%ba%e6%9c%8d%e5%99%a8%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=1357","title":{"rendered":"Conti\u52d2\u7d22\u8edf\u9ad4\u7684\u6703\u54e1\u501f\u52a9 ProxyShell\u6f0f\u6d1e\uff0c\u653b\u64ca Microsoft Exchange\u4f3a\u670d\u5668\uff0c\u5728\u4e0d\u5230\u4e00\u5206\u9418\u53d6\u5f97\u6b0a\u9650!"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"554\" height=\"341\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/09\/image-4.png\" alt=\"\" class=\"wp-image-1358\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/09\/image-4.png 554w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/09\/image-4-300x185.png 300w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><figcaption>Conti \u5728\u653b\u64ca\u4e2d\u4f7f\u7528\u7684\u5de5\u5177<\/figcaption><\/figure>\n\n\n\n<p>\u5b89\u5168\u7814\u7a76\u4eba\u54e1\u8b66\u544a\u8aaa\uff0cConti \u52d2\u7d22\u8edf\u9ad4\u7d44\u7e54\u7684\u6703\u54e1(Affiliate) \u6b63\u5728\u5229\u7528Microsoft Exchange Server \u4e2d\u7684ProxyShell\u6f0f\u6d1e\u4f86\u653b\u64ca\u4e26\u7834\u58de\u4f01\u696d\u7db2\u8def\u3002ProxyShell\u5be6\u969b\u4e0a\u662f\u75313\u500b\u6f0f\u6d1e\u6240\u4e32\u9023\u7684\u6f0f\u6d1e\uff08CVE-2021-34473\u3001CVE-2021-34523 \u548c CVE-2021-31207\uff09\uff0c\u5206\u5225\u5c6c\u65bc\u9060\u7aef\u7a0b\u5f0f\u653b\u64ca\u6f0f\u6d1e\u3001\u6b0a\u9650\u64f4\u5f35\u6f0f\u6d1e\u8207\u5b89\u5168\u529f\u80fd\u7e5e\u904e\u6f0f\u6d1e\uff0c\u5b83\u5011\u540c\u6642\u5f71\u97ffMicrosoft Exchange Server 2013\u30012016\u82072019\uff0c\u4e32\u9023\u9019\u4e9b\u6f0f\u6d1e\u5c07\u5141\u8a31\u99ed\u5ba2\u65bc\u7cfb\u7d71\u4e0a\u57f7\u884c\u4efb\u610f\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<p>\u6839\u64da\u8cc7\u5b89\u516c\u53f8Sophos\u7684\u89c0\u5bdf\uff0c\u653b\u64ca\u4ee5\u6975\u5feb\u7684\u901f\u5ea6\u767c\u751f\uff0c\u5728\u4e00\u500b\u4e8b\u4ef6\u56de\u61c9\u6848\u4f8b\u4e2d\uff0c\u7814\u7a76\u4eba\u54e1\u5728\u5c0d\u653b\u64ca\u9032\u884c\u5206\u6790\u5f8c\uff0c\u767c\u73feConti\u7684\u6703\u54e1\u7528\u4e0d\u5230\u4e00\u5206\u9418\u5c31\u53d6\u5f97\u5c0d\u76ee\u6a19\u7db2\u8def\u7684\u4f7f\u7528\u6b0a\u9650\uff0c\u5728\u5b89\u88dd\u4e86\u7b2c\u4e00\u500b web shell \u5e7e\u5206\u9418\u5f8c\uff0c\u653b\u64ca\u8005\u4fbf\u5b89\u88dd\u4e86\u7b2c\u4e8c\u500b web shell\u3002\u5728\u4e0d\u5230 30 \u5206\u9418\u7684\u6642\u9593\u5167\u5efa\u7acb\u4e86\u4e00\u4efd\u5b8c\u6574\u4efd\u7db2\u8def\u96fb\u8166\u3001\u7db2\u57df\u63a7\u5236\u7ad9\u548c\u7db2\u57df\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u5b8c\u6574\u5217\u8868\u3002\u50c5\u50c5\u56db\u5c0f\u6642\u5f8c\uff0cConti\u7684\u6703\u54e1\u5c31\u53d6\u5f97\u7db2\u57df\u7cfb\u7d71\u7ba1\u7406\u54e1\u5e33\u6236\u7684\u6191\u8b49\u4e26\u958b\u59cb\u57f7\u884c\u547d\u4ee4\u3002Sophos\u7814\u7a76\u4eba\u54e1\u767c\u73fe\u653b\u64ca\u8005\u5728\u7372\u5f97\u5b58\u53d6\u6b0a\u9650\u5f8c\u7684 48 \u5c0f\u6642\u5167\u7aca\u53d6\u4e86\u5927\u7d04 1 TB \u7684\u6578\u64da\u3002\u4e94\u5929\u5f8c\uff0c\u4ed6\u5011\u5c07 Conti \u52d2\u7d22\u8edf\u9ad4\u90e8\u7f72\u5230\u7db2\u8def\u4e0a\u7684\u6bcf\u53f0\u96fb\u8166\uff0c\u5c24\u5176\u91dd\u5c0d\u5b83\u5011\u7684\u7db2\u8def\u5171\u7528\u5340\u3002<\/p>\n\n\n\n<p>\u5728\u653b\u64ca\u671f\u9593\uff0cConti \u7684\u6703\u54e1\u9084\u5728\u7db2\u8def\u4e0a\u5b89\u88dd\u4e86\u4e0d\u5c11\u65bc 7 \u500b\u5f8c\u9580\uff1a\u5169\u500b web shell\u3001Cobalt Strike \u548c\u56db\u500bAnyDesk\u3001Aterta\u3001Splashtop \u548c Remote Utilities \u7684\u5546\u7528\u9060\u7aef\u5b58\u53d6\u5de5\u5177\u3002Cobalt Strike \u548c AnyDesk \u5247\u662f\u5176\u9918\u653b\u64ca\u7684\u4e3b\u8981\u5de5\u5177\u3002\u9019\u7a2e\u4f5c\u6cd5\u8fc5\u901f\u800c\u9ad8\u6548\u7387\uff0c\u56e0\u6b64\u5b89\u88dd\u4fee\u88dc\u7a0b\u5f0f\u7d55\u5c0d\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n\n\n\n<p>ProxyShell \u548c\u5176\u4ed6\u91dd\u5c0d\u5df2\u77e5 Microsoft Exchange \u6f0f\u6d1e\u7684\u653b\u64ca\u6703\u5e36\u4f86\u91cd\u5927\u7684\u98a8\u96aa\u3002\u7814\u7a76\u4eba\u54e1\u6566\u4fc3\u4f7f\u7528 Microsoft Exchange Server\u7684\u4f01\u696d\u61c9\u76e1\u5feb\u66f4\u65b0\u548c\u4fee\u88dc\u4f3a\u670d\u5668\u7684\u7dca\u6025\u5efa\u8b70\u3002<\/p>\n\n\n\n<p>\u6709\u95dcConti\u52d2\u7d22\u8edf\u9ad4\u7684\u5165\u4fb5\u6307\u6a19(Indicator of compromise -IOCs):<\/p>\n\n\n\n<p>IPv4:<\/p>\n\n\n\n<p>135.181.10.218<\/p>\n\n\n\n<p>SHA1:<\/p>\n\n\n\n<p>59e2d227bf8499d1d28116f922925980774ebf96<\/p>\n\n\n\n<p>Source: https:\/\/news.sophos.com\/en-us\/2021\/09\/03\/conti-affiliates-use-proxyshell-exchange-exploit-in-ransomware-attacks\/?cmp=30728<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b89\u5168\u7814\u7a76\u4eba\u54e1\u8b66\u544a\u8aaa\uff0cConti \u52d2\u7d22\u8edf\u9ad4\u7d44\u7e54\u7684\u6703\u54e1(Affiliate) \u6b63\u5728\u5229\u7528Microsoft Exch <a class=\"read-more\" href=\"https:\/\/blog.billows.com.tw\/?p=1357\">READ MORE<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[173],"class_list":["post-1357","post","type-post","status-publish","format-standard","hentry","category-6","tag-conti"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1357"}],"version-history":[{"count":4,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1357\/revisions"}],"predecessor-version":[{"id":1369,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1357\/revisions\/1369"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}