{"id":3682,"date":"2025-04-25T16:56:55","date_gmt":"2025-04-25T08:56:55","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=3682"},"modified":"2025-04-25T17:00:30","modified_gmt":"2025-04-25T09:00:30","slug":"dslogdrat%ef%bc%9a%e9%87%9d%e5%b0%8d-ivanti-connect-secure-vpn-%e6%89%80%e7%99%bc%e5%8b%95%e9%80%b2%e9%9a%8e%e6%94%bb%e6%93%8a%e8%a1%8c%e5%8b%95%e7%9a%84%e6%8a%80%e8%a1%93%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=3682","title":{"rendered":"DslogdRAT\uff1a\u91dd\u5c0d Ivanti Connect Secure VPN \u6240\u767c\u52d5\u9032\u968e\u653b\u64ca\u884c\u52d5\u7684\u6280\u8853\u5206\u6790"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"693\" height=\"315\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/04\/image-10.png\" alt=\"\" class=\"wp-image-3683\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/04\/image-10.png 693w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/04\/image-10-300x136.png 300w\" sizes=\"auto, (max-width: 693px) 100vw, 693px\" \/><figcaption class=\"wp-element-caption\">DslogdRAT\u7684\u57f7\u884c\u6d41\u7a0b Photo Credit: JPCERT\/CC<\/figcaption><\/figure>\n\n\n\n<p>\u8fd1\u671f\u91dd\u5c0d Ivanti Connect Secure VPN \u88dd\u7f6e\u7684\u653b\u64ca\u63ed\u9732\u4e00\u6b3e\u5177\u5099\u9ad8\u5ea6\u96b1\u853d\u6027\u8207\u6301\u4e45\u6027\u7684\u60e1\u610f\u7a0b\u5f0f <strong>DslogdRAT<\/strong>\u3002\u8a72\u7a0b\u5f0f\u8207\u4e00\u652f\u7c21\u5316\u4f46\u529f\u80fd\u5b8c\u6574\u7684 Perl Web Shell \u4e26\u884c\u90e8\u7f72\uff0c\u986f\u793a\u653b\u64ca\u8005\u5177\u5099\u9ad8\u5ea6\u7d44\u7e54\u5316\u8207\u9577\u671f\u6ef2\u900f\u7684\u4f01\u5716\u5fc3\u3002<\/p>\n\n\n\n<p>\u672c\u6b21\u4e8b\u4ef6\u7531\u65e5\u672c\u8cc7\u5b89\u61c9\u8b8a\u4e2d\u5fc3 <strong><a href=\"https:\/\/blogs.jpcert.or.jp\/en\/2025\/04\/dslogdrat.html\">JPCERT\/CC<\/a><\/strong> \u5728\u8abf\u67e5 2024 \u5e74 12 \u6708\u91dd\u5c0d\u7576\u5730\u4f01\u696d\u6240\u767c\u52d5\u7684 <strong>CVE-2025-0282<\/strong> \u96f6\u6642\u5dee\u653b\u64ca\u6642\u767c\u73fe\u3002\u8a72\u884c\u52d5\u7a81\u986f\u570b\u5bb6\u7d1a\u5a01\u8105\u884c\u70ba\u8005\u6b63\u7a4d\u6975\u5229\u7528\u908a\u754c\u8a2d\u5099\u6f0f\u6d1e\u4f5c\u70ba\u9032\u5165\u4f01\u696d\u5167\u90e8\u7db2\u8def\u7684\u8df3\u677f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u521d\u59cb\u653b\u64ca\u5411\u91cf\uff1aPerl Web Shell <\/strong><strong>\u63d0\u4f9b\u5f8c\u7e8c\u60e1\u610f\u8f09\u5165\u7ba1\u9053<\/strong><\/p>\n\n\n\n<p>\u653b\u64ca\u8005\u6700\u521d\u900f\u904e\u4e00\u652f Perl CGI \u8173\u672c\u5efa\u7acb\u5c0d Ivanti \u88dd\u7f6e\u7684\u9060\u7aef\u63a7\u5236\u901a\u9053\u3002\u8a72 Web Shell \u900f\u904e\u9a57\u8b49\u7279\u5b9a Cookie \u503c\u8207\u786c\u7de8\u78bc Token \u7684\u5339\u914d\u4f86\u57f7\u884c\u4efb\u610f\u6307\u4ee4\uff0c\u9054\u6210\u547d\u4ee4\u57f7\u884c\u529f\u80fd\u3002\u96d6\u5c6c\u8f15\u91cf\u578b\u5f8c\u9580\uff0c\u537b\u70ba\u90e8\u7f72 DslogdRAT \u63d0\u4f9b\u6709\u6548\u7684\u521d\u59cb\u6ef2\u900f\u901a\u9053\u3002<\/p>\n\n\n\n<p>\u6b64\u624b\u6cd5\u53cd\u6620\u653b\u64ca\u8005\u7cbe\u6e96\u638c\u63e1\u88dd\u7f6e\u7ba1\u7406\u6a5f\u5236\uff0c\u4e26\u63a1\u7528\u4f4e\u5e72\u64fe\u3001\u9ad8\u7a69\u5b9a\u6027\u7684\u653b\u64ca\u624b\u6bb5\uff0c\u4ee5\u63d0\u9ad8\u96b1\u853d\u6027\u4e26\u964d\u4f4e\u88ab\u5373\u6642\u5075\u6e2c\u7684\u98a8\u96aa\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u60e1\u610f\u7a0b\u5f0f\u67b6\u69cb\u8207\u6301\u4e45\u5316\u6a5f\u5236\uff1a\u591a\u7a0b\u5e8f\u8207\u591a\u57f7\u884c\u7dd2\u8a2d\u8a08<\/strong><\/p>\n\n\n\n<p>DslogdRAT \u4e00\u65e6\u90e8\u7f72\uff0c\u6703\u900f\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5efa\u7acb\u6301\u4e45\u5b58\u5728\u4e26\u7dad\u6301\u8207\u6307\u63ee\u63a7\u5236\u4f3a\u670d\u5668\uff08C2\uff09\u7684\u9023\u7dda\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u7a0b\u5e8f\uff08main process\uff09\u6703\u555f\u52d5\u7b2c\u4e00\u5b50\u7a0b\u5e8f\u5f8c\u5373\u7d42\u6b62\uff0c\u589e\u52a0\u5176\u5728\u7cfb\u7d71\u4e2d\u7684\u5b58\u6d3b\u96b1\u853d\u6027\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e00\u5b50\u7a0b\u5e8f\u9032\u5165\u76e3\u63a7\u8ff4\u5708\u4e26\u555f\u52d5\u7b2c\u4e8c\u5b50\u7a0b\u5e8f\uff0c\u5c08\u8cac\u8655\u7406 C2 \u901a\u8a0a\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u5b50\u7a0b\u5e8f\u63a1\u7528 <strong>pthread <\/strong><strong>\u51fd\u5f0f\u5eab<\/strong> \u5be6\u4f5c\u591a\u57f7\u884c\u7dd2\u67b6\u69cb\uff0c\u4ee5\u63d0\u5347\u8655\u7406\u6548\u7387\u8207\u7a69\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u8207 C2 \u4e4b\u9593\u7684\u8cc7\u6599\u50b3\u8f38\u900f\u904e <strong>XOR<\/strong><strong>\uff087 <\/strong><strong>\u4f4d\u5143\u7d44\u5340\u584a\uff09\u7de8\u78bc<\/strong>\u52a0\u5bc6\uff0c\u91d1\u9470\u7bc4\u570d\u70ba 0x01 \u81f3 0x07\uff0c\u660e\u986f\u70ba\u898f\u907f\u6d41\u91cf\u6aa2\u6e2c\u6240\u8a2d\u8a08\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6b64\u5916\uff0c\u60e1\u610f\u7a0b\u5f0f\u5728\u7a0b\u5e8f\u540d\u7a31\u8207\u57f7\u884c\u7dd2\u7ba1\u7406\u4e0a\uff0c\u6a21\u64ec Linux \u7cfb\u7d71\u5167\u5efa\u80cc\u666f\u7a0b\u5e8f\uff08\u5982\uff1akworker\/0:02\uff09\uff0c\u589e\u52a0\u653b\u64ca\u5b58\u7e8c\u6027\u8207\u9632\u79a6\u7cfb\u7d71\u8aa4\u5224\u6a5f\u7387\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u8a2d\u5b9a\u6a94\u5206\u6790\uff1a\u4f5c\u696d\u6642\u6bb5\u8207\u7db2\u8def\u901a\u8a0a\u53c3\u6578\u5177\u660e\u986f\u8eb2\u907f\u8a2d\u8a08<\/strong><\/p>\n\n\n\n<p>DslogdRAT \u7684\u4e8c\u9032\u4f4d\u7a0b\u5f0f\u5167\u542b\u4e00\u7d44\u4ee5 XOR \u7de8\u78bc\u5132\u5b58\u7684\u8a2d\u5b9a\u8cc7\u6599\uff0c\u5167\u5bb9\u63ed\u9732\u653b\u64ca\u8005\u91dd\u5c0d\u4f01\u696d\u74b0\u5883\u6240\u8a2d\u8a08\u7684\u64cd\u4f5c\u6a21\u5f0f\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C2 <\/strong><strong>\u4f4d\u5740<\/strong>\uff1a3.112.192[.]119<\/li>\n\n\n\n<li><strong>\u901a\u8a0a\u57e0<\/strong>\uff1a443\uff08\u507d\u88dd\u70ba HTTPS\uff09<\/li>\n\n\n\n<li><strong>\u9810\u8a2d Shell<\/strong>\uff1a\/bin\/sh<\/li>\n\n\n\n<li><strong>Proxy <\/strong><strong>\u8a2d\u5b9a<\/strong>\uff1a127.0.0.1\uff0c\u5e33\u865f\uff1aadmin\uff0c\u5bc6\u78bc\uff1aadmin<\/li>\n\n\n\n<li><strong>\u4f5c\u696d\u6642\u6bb5<\/strong>\uff1a\u6bcf\u65e5 <strong>08:00 <\/strong><strong>\u81f3 14:00<\/strong>\uff0c\u4ee5\u878d\u5165\u6b63\u5e38\u71df\u904b\u6d41\u91cf\uff0c\u6e1b\u5c11\u7570\u5e38\u884c\u70ba\u89f8\u767c\u8b66\u793a\u7684\u6a5f\u6703\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6b64\u985e\u6642\u9593\u8996\u7a97\u9650\u5236\u7684\u8a2d\u8a08\uff0c\u5df2\u6210\u70ba APT \u5a01\u8105\u5e38\u898b\u7684\u9003\u907f\u5075\u6e2c\u6280\u8853\uff0c\u7279\u5225\u9069\u7528\u65bc\u8eb2\u907f\u57fa\u65bc\u884c\u70ba\u57fa\u6e96\uff08behavioral baseline\uff09\u6216\u6d41\u91cf\u7570\u5e38\u5075\u6e2c\u7684\u9632\u79a6\u7cfb\u7d71\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u529f\u80fd\u6a21\u7d44\u8207\u64cd\u4f5c\u547d\u4ee4\uff1a\u652f\u63f4\u5b8c\u6574\u63a7\u5236\u8207\u6a6b\u5411\u6ef2\u900f<\/strong><\/p>\n\n\n\n<p>DslogdRAT \u5177\u5099\u9ad8\u5ea6\u6a21\u7d44\u5316\u7684\u9060\u7aef\u64cd\u4f5c\u80fd\u529b\uff0c\u5176\u652f\u63f4\u7684\u6307\u4ee4\u7bc4\u570d\u6db5\u84cb\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"361\" height=\"152\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/04\/image-11.png\" alt=\"\" class=\"wp-image-3684\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/04\/image-11.png 361w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/04\/image-11-300x126.png 300w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><\/figure>\n\n\n\n<p>\u6b64\u5916\uff0c\u60e1\u610f\u7a0b\u5f0f\u5728\u9996\u6b21\u8207 C2 \u5efa\u7acb\u9023\u7dda\u6642\uff0c\u6703\u767c\u9001\u542b\u4e3b\u6a5f\u6307\u7d0b\uff08host fingerprint\uff09\u4e4b\u5c01\u5305\uff0c\u8cc7\u8a0a\u7d93\u7de8\u78bc\u8655\u7406\u4ee5\u5229\u5f8c\u7aef\u5de5\u5177\u81ea\u52d5\u89e3\u6790\u4e26\u91dd\u5c0d\u6027\u63a7\u5236\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u95dc\u806f\u6027\u89c0\u5bdf\uff1a\u8207 UNC5221 <\/strong><strong>\u4f7f\u7528\u7684 SPAWNSNARE <\/strong><strong>\u4e26\u5b58<\/strong><\/p>\n\n\n\n<p>\u7814\u7a76\u4eba\u54e1\u4e5f\u5728\u53d7\u5bb3\u7cfb\u7d71\u4e2d\u89c0\u5bdf\u5230\u8207 <strong>\u4e2d\u570b\u5a01\u8105\u884c\u70ba\u8005 UNC5221<\/strong> \u6709\u95dc\u7684 <strong>SPAWNSNARE <\/strong><strong>\u5f8c\u9580\u7a0b\u5f0f<\/strong>\u3002\u8a72\u60e1\u610f\u7a0b\u5f0f\u66fe\u65bc 2025 \u5e74 4 \u6708\u7531 Google \u8207\u7f8e\u570b CISA \u516c\u5e03\u3002\u96d6\u7136\u76ee\u524d\u7121\u6cd5\u76f4\u63a5\u8b49\u660e DslogdRAT \u8207\u8a72\u884c\u70ba\u8005\u6709\u660e\u78ba\u95dc\u806f\uff0c\u4f46\u5169\u7a2e\u60e1\u610f\u5de5\u5177\u7684\u540c\u6642\u51fa\u73fe\u986f\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u653b\u64ca\u8005\u53ef\u80fd\u5171\u7528\u76f8\u540c\u5de5\u5177\u7d44\uff08toolkit\uff09\u6216\u57fa\u790e\u67b6\u69cb\u3002<\/li>\n\n\n\n<li>\u8a72\u884c\u52d5\u53ef\u80fd\u5c6c\u65bc\u66f4\u5927\u898f\u6a21\u3001\u5354\u540c\u904b\u4f5c\u7684\u6ef2\u900f\u884c\u52d5\u4e00\u74b0\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u5b89\u5168\u5efa\u8b70\uff1a\u9632\u8b77\u5c0d\u7b56\u8207\u5a01\u8105\u7375\u6355\u512a\u5148\u4e8b\u9805<\/strong><\/p>\n\n\n\n<p>\u9451\u65bc DslogdRAT \u653b\u64ca\u624b\u6cd5\u9ad8\u5ea6\u96b1\u853d\u4e14\u5177\u6a21\u7d44\u5f48\u6027\uff0c\u5efa\u8b70\u4f01\u696d\u8cc7\u5b89\u5718\u968a\u7acb\u5373\u63a1\u53d6\u4e0b\u5217\u884c\u52d5\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7acb\u5373\u66f4\u65b0\u7cfb\u7d71<\/strong>\uff1a\u5957\u7528 Ivanti \u5b98\u65b9\u5c0d CVE-2025-0282 \u8207 CVE-2025-22457 \u6240\u767c\u5e03\u7684\u4fee\u88dc\u7a0b\u5f0f\u3002<\/li>\n\n\n\n<li><strong>\u6aa2\u6e2c\u8207\u9451\u8b58<\/strong>\uff1a\u91dd\u5c0d VPN \u88dd\u7f6e\u57f7\u884c\u5168\u9762\u8a18\u61b6\u9ad4\u8207\u6a94\u6848\u7cfb\u7d71\u6aa2\u67e5\u3002<\/li>\n\n\n\n<li><strong>\u76e3\u63a7\u6307\u6a19\uff08IoC<\/strong><strong>\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u60e1\u610f\u7a0b\u5f0f SHA-256\uff1a1dd64c00f061425d484dd67b359ad99df533aa430632c55fa7e7617b55dab6a8<\/li>\n\n\n\n<li>Web Shell \u8def\u5f91\uff1a\/home\/webserver\/htdocs\/dana-na\/cc\/ccupdate.cgi<\/li>\n\n\n\n<li>C2 \u4f4d\u5740\uff1a3.112.192[.]119<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7db2\u8def\u5206\u6bb5\u8207\u901a\u8a0a\u9650\u5236<\/strong>\uff1a\u91dd\u5c0d VPN \u88dd\u7f6e\u8207\u95dc\u9375\u8cc7\u6e90\u9593\u7684\u6a6b\u5411\u901a\u8a0a\u8a2d\u9650\u3002<\/li>\n\n\n\n<li><strong>\u5c0e\u5165\u5a01\u8105\u7375\u6355\u6a5f\u5236<\/strong>\uff1a\u4e3b\u52d5\u641c\u5c0b\u507d\u88dd\u7a0b\u5e8f\u3001\u7570\u5e38\u57f7\u884c\u7dd2\u8207\u6f5b\u4f0f\u9023\u7dda\u884c\u70ba\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u65b0\u8a55\u4f30\u908a\u754c\u8a2d\u5099\u5b89\u5168\u7b56\u7565<\/strong>\uff1a\u5c07\u908a\u754c\u8a2d\u5099\u7d0d\u5165\u7aef\u9ede\u76e3\u63a7\u67b6\u69cb\u4e26\u5f37\u5316\u7d00\u9304\u4fdd\u5b58\u8207\u7570\u5e38\u8b66\u793a\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u7d50\u8a9e\uff1a\u6301\u7e8c\u6ef2\u900f\u6280\u8853\u7684\u6f14\u9032\u6311\u6230\u4f01\u696d\u8cc7\u5b89\u9632\u7dda<\/strong><\/p>\n\n\n\n<p>DslogdRAT 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