{"id":2003,"date":"2022-06-22T15:15:52","date_gmt":"2022-06-22T07:15:52","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=2003"},"modified":"2023-02-13T10:56:13","modified_gmt":"2023-02-13T02:56:13","slug":"%e4%b8%ad%e5%9c%8bapt%e9%a7%ad%e5%ae%a2%e7%b5%84%e7%b9%94toddycat%e5%bb%ba%e7%ab%8b%e4%ba%86%e6%96%b0%e5%9e%8b%e9%96%93%e8%ab%9c%e8%bb%9f%e9%ab%94%ef%bc%8c%e4%bb%a5-ms-exchange%e4%bc%ba%e6%9c%8d","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=2003","title":{"rendered":"\u4e2d\u570bAPT\u99ed\u5ba2\u7d44\u7e54ToddyCat\u5efa\u7acb\u4e86\u65b0\u578b\u9593\u8adc\u8edf\u9ad4\uff0c\u4ee5 MS Exchange\u4f3a\u670d\u5668\u70ba\u76ee\u6a19\uff0c\u5c0d\u6b50\u6d32\u548c\u4e9e\u6d32\u77e5\u540d\u5be6\u9ad4\u767c\u52d5\u91dd\u5c0d\u6027\u653b\u64ca\uff0c\u53f0\u7063\u4e5f\u53d7\u5bb3!"},"content":{"rendered":"\n

ToddyCat \u7684\u5de5\u5177–Samurai\u5f8c\u9580\u548c Ninja\u6728\u99ac\u65e8\u5728\u70ba\u653b\u64ca\u8005\u63d0\u4f9b\u5c0d\u5165\u4fb5\u7db2\u8def\u7684\u6301\u4e45\u6027\u548c\u6df1\u5ea6\u5b58\u53d6<\/p>\n\n\n\n

\u88ab\u7a31\u70ba ToddyCat\u7684APT \u99ed\u5ba2\u7d44\u7e54\u4f7f\u7528\u5169\u500b\u4ee5\u524d\u4e0d\u70ba\u4eba\u77e5\u7684\u5de5\u5177\uff0c\u5206\u5225\u7a31\u70ba\u201cSamurai backdoor\u201d\u548c\u201cNinja Trojan\u201d\u3002\u64daKaspersky\u7684\u5206\u6790\u986f\u793a<\/a>\uff0cToddyCat \u7684\u6d3b\u52d5\u59cb\u65bc 2020 \u5e74 12 \u6708\uff0c\u91dd\u5c0d\u53f0\u7063\u548c\u8d8a\u5357\u4e09\u500b\u7d44\u7e54\u7684\u672a\u4fee\u88dc\u7684 Exchange \u4f3a\u670d\u5668\u9032\u884c\u4e86\u653b\u64ca\u3002\u653b\u64ca\u8005\u4f7f\u7528\u672a\u77e5\u6f0f\u6d1e\u7834\u58de Exchange \u4f3a\u670d\u5668\u4e26\u5728\u7cfb\u7d71\u4e0a\u90e8\u7f72China Chopper Web shell\uff0c\u7136\u5f8c\u4f7f\u7528 Web shell \u555f\u52d5\u4e86\u4e00\u500b\u591a\u968e\u6bb5\u7684\u611f\u67d3\u93c8\uff0c\u5176\u4e2d\u6d89\u53ca\u81ea\u8a02\u7fa9\u5165\u7a0b\u5f0f\uff0c\u6700\u7d42\u4ee5\u4e00\u7a2e\u65b0\u578b\u7684\u60e1\u610f\u8edf\u9ad4\u5de5\u5177\u4e00\u500b\u540d\u70ba\u201cSamurai\u201d\u7684\u88ab\u52d5\u5f0f\u5f8c\u9580\u7a0b\u5f0f\uff0c\u90e8\u7f72\u5728\u88ab\u5165<\/a>\u4fb5\u7684\u7cfb\u7d71\u4e0a\u3002<\/p>\n\n\n\n

Samurai\u5f8c\u9580\u65e8\u5728\u8b93\u653b\u64ca\u8005\u6301\u7e8c\u5b58\u53d6\u9762\u5411 Internet \u7684 Web \u4f3a\u670d\u5668\uff0c\u5f8c\u9580\u7d93\u7531\u5728Port 80 \u548c 443 \u4e0a\u904b\u4f5c\uff0c\u4e3b\u8981\u7528\u65bc\u5728\u53d7\u611f\u67d3\u7684\u7cfb\u7d71\u4e0a\u9060\u7aef\u57f7\u884c\u4efb\u610fC#\u7a0b\u5f0f\uff0c\u53ef\u914d\u5408\u591a\u7a2e\u6a21\u7d44\uff0c\u5141\u8a31\u653b\u64ca\u8005\u57f7\u884c\u9060\u7aef\u7a0b\u5f0f\u4e26\u5728\u76ee\u6a19\u7db2\u8def\u5167\u6a6b\u5411\u79fb\u52d5\u3002<\/p>\n\n\n\n

2020 \u5e74 12 \u6708\u81f3 2021 \u5e74 2 \u6708\u662f\u7b2c\u4e00\u6ce2\u653b\u64ca\u7684\u6642\u671f\uff0cToddyCat\u9396\u5b9a\u4e86\u53f0\u7063\u548c\u8d8a\u5357\u5c11\u6578\u7684Exchange\u4f3a\u670d\u5668\uff0c \u96a8\u5f8c\u5f9e 2 \u6708 26 \u65e5\u5230 3 \u6708\u521d\uff0cToddyCat\u7684\u653b\u64ca\u8fc5\u901f\u5347\u7d1a\uff0c\u958b\u63a1Exchange Server\u7684ProxyLogon\u6f0f\u6d1e\u653b\u64ca\u6b50\u6d32\u548c\u4e9e\u6d32\u7684\u591a\u500b\u9ad8\u77e5\u540d\u5ea6\u7d44\u7e54\uff0c\u5305\u62ec\u653f\u5e9c\u3001\u8ecd\u4e8b\u55ae\u4f4d\u548c\u8ecd\u65b9\u5916\u5305\u5546\u3002Kaspersky\u8868\u793a\uff0cToddyCat\u7684\u53d7\u5bb3\u8005\u5305\u62ec\u4fc4\u7f85\u65af\u3001\u82f1\u570b\u3001\u65af\u6d1b\u4f10\u514b\u3001\u5370\u5ea6\u3001\u4f0a\u6717\u548c\u99ac\u4f86\u897f\u4e9e\u7684\u7d44\u7e54\uff0c\u80fd\u5be6\u73fe\u53ef\u80fd\u8207\u5730\u7de3\u653f\u6cbb\u5229\u76ca\u76f8\u95dc\u7684\u95dc\u9375\u76ee\u6a19\uff0c\u5c6c\u65bc\u50b3\u7d71\u4e0a\u4e2d\u570bAPT\u99ed\u5ba2\u7d44\u7e54\u611f\u8208\u8da3\u7684\u884c\u696d\u548c\u90e8\u9580\u3002<\/p>\n\n\n\n

\"\"
\u653b\u64ca\u93c8\uff0cPhoto Credit: Kaspersky<\/figcaption><\/figure>\n\n\n\n

\u7814\u7a76\u4eba\u54e1\u5728\u8abf\u67e5\u653b\u64ca\u4e2d\u4e5f\u767c\u73fe\uff0c\u96d6\u7136\u7b2c\u4e00\u6ce2\u7684\u653b\u64ca\uff0c\u690d\u5165Samurai \u5f8c\u9580\u91dd\u5c0d MS Exchange\u4f3a\u670d\u5668\uff0c\u4f46\u5728\u96a8\u5f8c\u7684\u4e00\u4e9b\u653b\u64ca\u4e2d\u4f7f\u7528 Samurai \u5f8c\u9580\u555f\u52d5\u201cNinja\u201d\u6728\u99ac\u7a0b\u5f0f\uff0c\u53e6\u4e00\u7a2e\u4ee5\u524d\u6c92\u88ab\u767c\u73fe\u904e\u7684\u653b\u64ca\u5de5\u5177\u3002<\/p>\n\n\n\n

Ninja \u662f\u4e00\u7a2e\u985e\u4f3cCobalt Strike \u7684\u60e1\u610f\u8edf\u9ad4\uff0c\u7528\u65bc\u5728\u5df2\u7d93\u53d7\u5230\u653b\u64ca\u7684\u7cfb\u7d71\u4e0a\u57f7\u884c\u5f8c\u653b\u64ca\u6d3b\u52d5\uff08post-exploitation\uff09\u7684\u5de5\u5177\uff0c\u5141\u8a31\u653b\u64ca\u8005\u63a7\u5236\u9060\u7aef\u7cfb\u7d71\uff0c\u64cd\u7e31\u6a94\u6848\u7cfb\u7d71\uff0c\u64cd\u7e31\u9032\u7a0b\uff0c\u5728\u5176\u4ed6\u9032\u7a0b\u4e2d\u6ce8\u5165\u4efb\u610f\u7a0b\u5f0f\u78bc\uff0c\u8f49\u767c TCP \u6578\u64da\u5305\uff0c\u9084\u80fd\u4fee\u6539HTTP header\u53caURL \u8def\u5f91\uff0c\u507d\u88dd\u60e1\u610f\u6d41\u91cf\uff0c\u8eb2\u907f\u5075\u6e2c\u3002\u5f9e\u6280\u8853\u89d2\u5ea6\u4f86\u770b\uff0cNinja\u662f\u4e00\u7a2e\u5354\u4f5c\u5de5\u5177\uff0c\u5141\u8a31\u591a\u500b\u653b\u64ca\u8005\u540c\u6642\u5728\u540c\u4e00\u53f0\u6a5f\u5668\u4e0a\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u7e3d\u62ec\u800c\u8a00\uff0c\u4f7f Samurai \u548c Ninja \u8b8a\u5f97\u5371\u96aa\u7684\u539f\u56e0\u5728\u65bc\u60e1\u610f\u8edf\u9ad4\u4e2d\u5305\u542b\u7684\u53cd\u53d6\u8b49\u548c\u53cd\u5206\u6790\u6280\u8853\u3002\u4f8b\u5982Samurai \u65e8\u5728\u8207 Microsoft Exchange \u5171\u4eab TCP \u7aef\u53e3 80 \u548c 443\uff0c\u7121\u6cd5\u901a\u904e\u76e3\u8996\u7aef\u53e3\u4f86\u6aa2\u6e2c\uff0c\u8a72\u60e1\u610f\u8edf\u9ad4\u9084\u4f7f\u7528\u8907\u96dc\u7684\u8f09\u5165\u65b9\u5f0f\u4f86\u907f\u514d\u6aa2\u6e2c\u4e26\u4fdd\u6301\u6301\u4e45\u6027\u3002\u6b64\u5916\uff0c\u5b83\u4f7f\u7528\u4e00\u7a2e\u7a31\u70ba\u63a7\u5236\u6d41\u6241\u5e73\u5316\u7684\u6280\u8853\u4f86\u907f\u514d\u88ab\u975c\u614b\u5206\u6790\u5de5\u5177\u6aa2\u6e2c\u5230\u3002Ninja Trojan\u662f\u4e00\u7a2e\u6a21\u7d44\u5316\u60e1\u610f\u8edf\u9ad4\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u8f15\u9b06\u64f4\u5c55\u5176\u529f\u80fd\uff0c\u53e6\u5916\uff0c\u7531\u65bcNinja Trojan\u50c5\u5728\u5167\u5b58\u4e2d\u904b\u884c\uff0c\u5f9e\u672a\u51fa\u73fe\u5728\u6a94\u6848\u7cfb\u7d71\u4e0a\uff0c\u56e0\u6b64\u66f4\u96e3\u88ab\u6aa2\u6e2c\u3002<\/p>\n\n\n\n

\u6709\u95dcToddyCat\u7684\u201d\u90e8\u5206\u201d\u5165\u4fb5\u6307\u6a19(Indicator of compromise -IOCs):<\/p>\n\n\n\n

Hostname:<\/p>\n\n\n\n

eohsdnsaaojrhnqo.windowshost.us<\/p>\n\n\n\n

SHA 256:<\/p>\n\n\n\n

e9bd74e4609cdcaf77e191628ccde2124be03a8daf38f1615df6fe7d096b0fba<\/p>\n\n\n\n

be34b508eaf7d58f853fc912d43b0b51e6b963726742e383c2a8b2b0828a736f<\/p>\n\n\n\n

8e2cd616286a13df82c9639d84e90a3927161000c8204905f338f3a79fe73d13<\/p>\n\n\n\n

2b0e66bb1a4877cfe650a027754e18085d0e34ab73025d9458e6136560120ec5<\/p>\n\n\n\n

\u00a0“\u8f49\u8cbc\u3001\u5206\u4eab\u6216\u5f15\u7528\u6587\u7ae0\u5167\u5bb9\uff0c\u8acb\u8a3b\u660e\u51fa\u8655\u70ba\u7ae3\u76df\u79d1\u6280\u00a0https:\/\/www.billows.com.tw<\/a>\u00a0, \u4ee5\u514d\u89f8\u6cd5”<\/p>\n","protected":false},"excerpt":{"rendered":"

ToddyCat \u7684\u5de5\u5177–Samurai\u5f8c\u9580\u548c Ninja\u6728\u99ac\u65e8\u5728\u70ba\u653b\u64ca\u8005\u63d0\u4f9b\u5c0d\u5165\u4fb5\u7db2\u8def\u7684\u6301\u4e45\u6027\u548c 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":[165,207],"class_list":["post-2003","post","type-post","status-publish","format-standard","hentry","category-6","tag-apt","tag-207"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/2003","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=2003"}],"version-history":[{"count":2,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/2003\/revisions"}],"predecessor-version":[{"id":2431,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/2003\/revisions\/2431"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}