{"id":4062,"date":"2025-12-14T18:16:59","date_gmt":"2025-12-14T10:16:59","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=4062"},"modified":"2025-12-14T18:26:18","modified_gmt":"2025-12-14T10:26:18","slug":"deadlock-%e5%8b%92%e7%b4%a2%e8%bb%9f%e9%ab%94%e5%88%a9%e7%94%a8%e6%96%b0%e5%9e%8b-byovd-%e6%8a%80%e8%a1%93%e9%97%9c%e9%96%89-edr%ef%bc%8c%e4%bc%81%e6%a5%ad%e9%98%b2%e7%a6%a6%e9%9d%a2%e8%87%a8%e6%96%b0","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=4062","title":{"rendered":"DeadLock \u52d2\u7d22\u8edf\u9ad4\u5229\u7528\u65b0\u578b BYOVD \u6280\u8853\u95dc\u9589 EDR\uff0c\u4f01\u696d\u9632\u79a6\u9762\u81e8\u65b0\u6311\u6230"},"content":{"rendered":"\n

\u6839\u64da\u6700\u8fd1\u4e00\u4efd\u4f86\u81eaCisco Talos\u7684\u5831\u544a\u63ed\u9732<\/a>\uff0c\u4e00\u500b\u4ee5\u91d1\u9322\u5229\u76ca\u70ba\u76ee\u7684\u7684\u52d2\u7d22\u5a01\u8105\u96c6\u5718\uff0c\u6b63\u900f\u904e DeadLock \u52d2\u7d22\u8edf\u9ad4\u63a1\u7528\u9ad8\u7d1a\u300c\u81ea\u5e36\u6613\u53d7\u653b\u64ca\u9a45\u52d5\u7a0b\u5f0f\uff08BYOVD, Bring Your Own Vulnerable Driver\uff09\u300d\u624b\u6cd5\uff0c\u6210\u529f\u7e5e\u904e\u4e26\u95dc\u9589\u4f01\u696d\u7aef\u9ede\u6aa2\u6e2c\u8207\u56de\u61c9\uff08EDR\uff09\u7cfb\u7d71\u3002\u6b64\u73fe\u8c61\u986f\u793a\u52d2\u7d22\u8edf\u9ad4\u653b\u64ca\u6280\u8853\u5df2\u9032\u5165\u65b0\u968e\u6bb5\uff0c\u4f01\u696d\u9632\u79a6\u8207\u5fa9\u539f\u9762\u81e8\u66f4\u5927\u6311\u6230\u3002<\/p>\n\n\n\n

BYOVD <\/strong>\u624b\u6cd5\u89e3\u6790\uff1aKernel <\/strong>\u5c64\u7d1a\u638c\u63a7\u5b89\u5168\u670d\u52d9<\/strong><\/p>\n\n\n\n

\u8a72\u653b\u64ca\u5229\u7528\u4e00\u500b\u5167\u6838\u6a21\u5f0f\u9a45\u52d5\u7a0b\u5f0f\uff0c\u64c1\u6709\u6700\u9ad8\u7cfb\u7d71\u6b0a\u9650\uff0c\u900f\u904e ZwTerminateProcess() \u76f4\u63a5\u7d42\u6b62\u76ee\u6a19\u5b89\u5168\u670d\u52d9\u3002\u653b\u64ca\u8005\u4f7f\u7528\u4e86\u6b64\u524d\u672a\u77e5\u7684\u6f0f\u6d1e\uff08CVE-2024-51324<\/a>\uff09\uff0c\u5c07\u767e\u5ea6(Baidu)\u9632\u6bd2\u9a45\u52d5\u7a0b\u5f0f BdApiUtil.sys \u6539\u4f5c\u300cDriverGay.sys\u300d\uff0c\u501f\u6b64\u6f0f\u6d1e\u5be6\u73fe\u5167\u6838\u7d1a\u6b0a\u9650\u7ba1\u7406\u932f\u8aa4\uff0c\u4f7f\u672a\u6388\u6b0a\u4f7f\u7528\u8005\u53ef\u7d42\u6b62\u4efb\u4f55\u7cfb\u7d71\u9032\u7a0b\u3002<\/p>\n\n\n\n

\u653b\u64ca\u904e\u7a0b\u4e2d\uff0c\u653b\u64ca\u8005\u90e8\u7f72\u81ea\u8a02\u8f09\u5165\u7a0b\u5f0f\u300cEDRGay.exe\u300d\uff0c\u900f\u904e Windows API \u8207\u6613\u53d7\u653b\u64ca\u9a45\u52d5\u7a0b\u5f0f\u4e92\u52d5\uff0c\u7cbe\u6e96\u4e0b\u9054\u7d42\u6b62\u5b89\u5168\u8207\u9632\u6bd2\u670d\u52d9\u7684\u6307\u4ee4\uff0c\u78ba\u4fdd EDR \u5de5\u5177\u5728\u52d2\u7d22\u8edf\u9ad4\u57f7\u884c\u524d\u5373\u88ab\u7671\u7613\u3002\u96a8\u5f8c\uff0cPowerShell \u8173\u672c\u7e5e\u904e\u4f7f\u7528\u8005\u5e33\u6236\u63a7\u5236\uff08UAC\uff09\u53d6\u5f97\u7cfb\u7d71\u7ba1\u7406\u6b0a\u9650\uff0c\u95dc\u9589 Windows Defender\uff0c\u7d42\u6b62\u95dc\u9375\u5b89\u5168\u3001\u9632\u8b77\u3001\u5099\u4efd\u53ca\u8cc7\u6599\u5eab\u670d\u52d9\uff0c\u4e26\u522a\u9664\u6240\u6709\u5377\u5f71\u8907\u672c\uff0c\u5207\u65b7\u7cfb\u7d71\u5fa9\u539f\u9014\u5f91\uff0c\u8feb\u4f7f\u53d7\u5bb3\u8005\u4ed8\u8d16\u91d1\u3002<\/p>\n\n\n\n

\"\"
Photo Credit: DeadLock\u52d2\u7d22\u8edf\u9ad4\u52a0\u5bc6\u6d41\u7a0b\u5716<\/figcaption><\/figure>\n\n\n\n

DeadLock <\/strong>\u52d2\u7d22\u8edf\u9ad4\u904b\u4f5c\u7279\u9ede<\/strong><\/p>\n\n\n\n

DeadLock \u5c08\u653b Windows \u7cfb\u7d71\uff0c\u63a1\u7528\u81ea\u6709\u7684\u4e32\u6d41\u52a0\u5bc6\u7b97\u6cd5\uff08stream cipher\uff09\uff0c\u4f7f\u7528\u6642\u9593\u9a45\u52d5\u7684\u52a0\u5bc6\u91d1\u9470\u9032\u884c\u6a94\u6848\u52a0\u5bc6\u3002\u5176\u8a2d\u8a08\u7cbe\u5bc6\uff0c\u53ef\u9078\u64c7\u6027\u52a0\u5bc6\u4f01\u696d\u5e38\u7528\u6a94\u6848\uff0c\u540c\u6642\u907f\u514d\u7cfb\u7d71\u640d\u6bc0\uff0c\u4e26\u5be6\u65bd\u53cd\u53d6\u8b49\u624b\u6cd5\uff0c\u589e\u52a0\u5fa9\u539f\u96e3\u5ea6\u3002<\/p>\n\n\n\n

\u52d2\u7d22\u8edf\u9ad4\u5167\u5efa 8,888-byte \u8a2d\u5b9a\u5340\u584a\uff0c\u63a7\u5236\u6574\u500b\u904b\u4f5c\u7b56\u7565\u3002\u521d\u59cb\u5165\u4fb5\u901a\u5e38\u900f\u904e\u6709\u6548\u5e33\u865f\u5165\u4fb5\uff0c\u958b\u555f RDP \u8207\u9632\u706b\u7246\u4f8b\u5916\uff0c\u6216\u6697\u4e2d\u90e8\u7f72 AnyDesk \u78ba\u4fdd\u9577\u671f\u9060\u7aef\u5b58\u53d6\u3002\u6ef2\u900f\u5f8c\uff0c\u653b\u64ca\u8005\u900f\u904e\u7cfb\u7d71\u547d\u4ee4\u9032\u884c\u5167\u90e8\u5075\u67e5\uff0c\u9396\u5b9a\u9ad8\u50f9\u503c\u76ee\u6a19\uff0c\u4e26\u4ee5 RDP \u53ca\u7ba1\u7406\u4e3b\u63a7\u53f0\u6a6b\u5411\u79fb\u52d5\u3002<\/p>\n\n\n\n

\u52a0\u5bc6\u524d\uff0cDeadLock \u6703\u6295\u653e\u6279\u6b21\u8173\u672c\u8abf\u6574\u547d\u4ee4\u5217\u9801\u78bc\u70ba UTF-8\uff0c\u4ee5\u6b63\u78ba\u986f\u793a\u8d16\u91d1\u8a0a\u606f\uff0c\u4e26\u5c07\u52d2\u7d22\u8edf\u9ad4\u6ce8\u5165 rundll32.exe \u507d\u88dd\u6210\u5408\u6cd5\u9032\u7a0b\uff0c\u591a\u57f7\u884c\u7dd2\u52a0\u5bc6\uff0c\u6392\u9664\u95dc\u9375\u7cfb\u7d71\u6a94\u6848\u8207\u8def\u5f91\u4ee5\u7dad\u6301\u7cfb\u7d71\u7a69\u5b9a\uff0c\u4fbf\u65bc\u8207\u53d7\u5bb3\u8005\u8ac7\u5224\u3002<\/p>\n\n\n\n

\u6b64\u5916\uff0cDeadLock \u6703\u95dc\u9589\u5546\u696d\u95dc\u9375\u61c9\u7528\u8207\u5099\u4efd\u670d\u52d9\uff0c\u5305\u62ec Microsoft SQL Server\u3001Veeam\u3001Symantec Endpoint Protection\uff0c\u4e26\u900f\u904e\u81ea\u8a02\u52a0\u5bc6\u5be6\u4f5c\uff0c\u907f\u514d\u4f7f\u7528 Windows \u539f\u751f\u52a0\u5bc6 API\uff0c\u964d\u4f4e\u5075\u6e2c\u98a8\u96aa\u3002\u52d2\u7d22\u8a0a\u606f\u5ba3\u7a31\u4f7f\u7528\u300c\u8ecd\u4e8b\u7b49\u7d1a\u52a0\u5bc6\u300d\uff0c\u4e26\u6307\u793a\u53d7\u5bb3\u8005\u4f7f\u7528\u533f\u540d Session \u901a\u8a0a\u5de5\u5177\u8207\u653b\u64ca\u8005\u806f\u7d61\uff0c\u8ff4\u907f\u57f7\u6cd5\u76e3\u63a7\u3002<\/p>\n\n\n\n

\u9632\u8b77\u5efa\u8b70<\/strong><\/p>\n\n\n\n

\u5efa\u8b70\u63a1\u53d6\u591a\u5c64\u9632\u79a6\u7b56\u7565\uff1a<\/p>\n\n\n\n

    \n
  1. \u6301\u7e8c\u66f4\u65b0\u4e26\u5f37\u5316\u91dd\u5c0d BYOVD \u653b\u64ca\u624b\u6cd5\u7684\u9632\u79a6\u63aa\u65bd\uff0c\u53ca\u6642\u4fee\u88dc\u8207\u5c01\u9396\u5b58\u5728\u98a8\u96aa\u7684\u6613\u53d7\u653b\u64ca\u9a45\u52d5\u7a0b\u5f0f<\/li>\n\n\n\n
  2. \u96fb\u5b50\u90f5\u4ef6\u5b89\u5168 \u904e\u6ffe\u6563\u5e03 DeadLock \u7684\u91e3\u9b5a\u90f5\u4ef6<\/li>\n\n\n\n
  3. \u9632\u706b\u7246\u76e3\u63a7 <\/strong>\u5075\u6e2c\u7570\u5e38\u7db2\u8def\u6d41\u91cf<\/li>\n\n\n\n
  4. \u900f\u904e\u7db2\u8def\u884c\u70ba\u5206\u6790\u3001\u6c99\u7bb1\u6aa2\u6e2c\u672a\u77e5\u5a01\u8105\uff0c\u4e26\u843d\u5be6\u96f6\u4fe1\u4efb\u5b58\u53d6\u63a7\u5236\uff0c\u4ee5\u9632\u5835\u653b\u64ca\u6a6b\u5411\u64f4\u6563<\/li>\n\n\n\n
  5. \u96a8\u6642\u7559\u610f\u7cfb\u7d71\u662f\u5426\u51fa\u73fe\u7570\u5e38\u4e2d\u65b7\uff0c\u4e26\u5118\u5feb\u66f4\u65b0\u8207\u4fee\u88dc\u4ee5\u907f\u514d\u98a8\u96aa\u64f4\u5927<\/li>\n<\/ol>\n\n\n\n

    DeadLock \u52d2\u7d22\u8edf\u9ad4\u5229\u7528 BYOVD \u6280\u8853\u95dc\u9589\u5b89\u5168\u5de5\u5177\uff0c\u51f8\u986f\u653b\u64ca\u8005\u6b63\u900f\u904e\u5167\u6838\u6f0f\u6d1e\u5275\u65b0\u624b\u6cd5\u3002\u4f01\u696d\u9700\u4fdd\u6301\u9ad8\u5ea6\u8b66\u89ba\uff0c\u843d\u5be6\u88dc\u4e01\u7ba1\u7406\u8207\u591a\u5c64\u9632\u8b77\uff0c\u624d\u80fd\u6709\u6548\u964d\u4f4e\u52d2\u7d22\u98a8\u96aa\u3002<\/p>\n\n\n\n

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

    2D89FB7455FF3EBF6B965D8B1113857607F7FBDA4C752CCB591DBC1DC14BA0DA<\/p>\n\n\n\n

    47EC51B5F0EDE1E70BD66F3F0152F9EB536D534565DBB7FCC3A05F542DBE4428<\/p>\n\n\n\n

    be1037fac396cf54fb9e25c48e5b0039b3911bb8426cbf52c9433ba06c0685ce<\/p>\n\n\n\n

    3cd5703d285ed2753434f14f8da933010ecfdc1e5009d0e438188aaf85501612<\/p>\n\n\n\n

    3c1b9df801b9abbb3684670822f367b5b8cda566b749f457821b6481606995b3<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u6839\u64da\u6700\u8fd1\u4e00\u4efd\u4f86\u81eaCisco Talos\u7684\u5831\u544a\u63ed\u9732\uff0c\u4e00\u500b\u4ee5\u91d1\u9322\u5229\u76ca\u70ba\u76ee\u7684\u7684\u52d2\u7d22\u5a01\u8105\u96c6\u5718\uff0c\u6b63\u900f\u904e DeadLock 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":[174,213],"class_list":["post-4062","post","type-post","status-publish","format-standard","hentry","category-6","tag-news","tag-ransomware"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4062","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=4062"}],"version-history":[{"count":2,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4062\/revisions"}],"predecessor-version":[{"id":4066,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4062\/revisions\/4066"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}