{"id":67106,"date":"2021-03-08T09:00:00","date_gmt":"2021-03-08T01:00:00","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=67106"},"modified":"2021-03-30T14:51:24","modified_gmt":"2021-03-30T06:51:24","slug":"xdr-%e8%aa%bf%e6%9f%a5%e7%99%bc%e7%8f%be-plugx-%e7%8d%a8%e7%89%b9%e7%9a%84-apt-%e6%94%bb%e6%93%8a%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=67106","title":{"rendered":"XDR \u8abf\u67e5\u767c\u73fe PlugX \u7368\u7279\u7684 APT \u653b\u64ca\u6280\u5de7"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<p>\u524d\u4e00\u9663\u5b50\u6211\u5011\u7d93\u7531 Apex One with Endpoint Sensor (iES) \u5075\u6e2c\u5230\u4e00\u8d77\u9032\u968e\u6301\u7e8c\u6027\u6ef2\u900f\u653b\u64ca (APT) \u4f7f\u7528\u4e86\u4e00\u7a2e\u975e\u5e38\u7cbe\u5bc6\u7684\u6280\u5de7\u4f86\u7aca\u53d6\u67d0\u5bb6\u4f01\u696d\u7684\u6a5f\u654f\u8cc7\u8a0a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/definition\/advanced-persistent-threat#:~:text=Advanced%20persistent%20threat%20%5BAPT%5D%20is,found%20in%20the%20cybercriminal%20underground.\">\u9032\u968e\u6301\u7e8c\u6027\u6ef2\u900f\u653b\u64ca<\/a> &nbsp;(APT) \u662f\u4e00\u7a2e\u5df2\u77e5\u4e14\u5168\u7403\u7686\u805e\u4e4b\u55aa\u81bd\u7684\u96b1\u533f\u653b\u64ca\u3002\u767c\u52d5\u9019\u985e\u653b\u64ca\u7684\u99ed\u5ba2\u96a8\u6642\u90fd\u5728\u958b\u767c\u65b0\u7684\u6280\u5de7\u4f86\u8eb2\u907f\u5075\u6e2c\uff0c\u76e1\u53ef\u80fd\u78ba\u4fdd\u4ed6\u5011\u80fd\u5728\u4e00\u500b\u74b0\u5883\u7576\u4e2d\u80fd\u5920\u9577\u671f\u6f5b\u4f0f\u3002\u6700\u8fd1\uff0c\u6211\u5011\u7d93\u7531 <a href=\"https:\/\/www.trendmicro.com\/en_us\/business\/products\/detection-response\/edr-endpoint-sensor.html\">Apex One with Endpoint Sensor (iES)<\/a> \u767c\u73fe\u4e86\u4e00\u8d77\u9032\u968e\u6301\u7e8c\u6027\u6ef2\u900f\u653b\u64ca\u4e8b\u4ef6\uff0c\u99ed\u5ba2\u5229\u7528\u7cbe\u5bc6\u7684\u6280\u5de7\u4f86\u7aca\u53d6\u67d0\u5bb6\u4f01\u696d\u7684\u6a5f\u654f\u8cc7\u8a0a\u3002\u5176\u7368\u7279\u7684\u624b\u6cd5\u3001\u6280\u5de7\u548c\u7a0b\u5e8f (TTP) \u7a81\u986f\u51fa\u8de8\u5c64\u6b21<a href=\"https:\/\/www.trendmicro.com\/en_us\/what-is\/xdr.html\">\u5075\u6e2c\u53ca\u56de\u61c9\u89e3\u6c7a\u65b9\u6848<\/a>\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/21\/a\/xdr-investigation-uncovers-plugx-unique-technique-in-apt-attack\/XDR%20investigation%20uncovers%20PlugX_641.jpg\" alt=\"XDR \u8abf\u67e5\u767c\u73fe PlugX \u7368\u7279\u7684 APT \u653b\u64ca\u6280\u5de7\"\/><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u8853\u5c64\u9762\u5206\u6790<\/h2>\n\n\n\n<p><br><strong>\u5075\u6e2c<\/strong><\/p>\n\n\n\n<p>\u6211\u5011\u5075\u6e2c\u5230\u4e00\u500b Windows \u7cfb\u7d71\u6392\u7a0b\u5de5\u4f5c (schtasks.exe) \u5728\u57f7\u884c\u6642\u4f7f\u7528\u4e86\u4ee5\u4e0b\u6307\u4ee4\u5217\u53c3\u6578\uff1a<em>schtasks \/create \/tn &lt;name&gt; c:\\programdata\\&lt;software name&gt;\\&lt;file name&gt;.bat \/sc \/once \/st &lt;time&gt; \/ru &lt;user account&gt;<\/em>\u3002\u9019\u500b\u6392\u7a0b\u5de5\u4f5c\u770b\u4f86\u4e26\u975e\u7528\u4f86\u5e38\u99d0\u65bc\u7cfb\u7d71\u5167\uff0c\u4f46\u9019\u9053\u6307\u4ee4\u6240\u57f7\u884c\u7684\u6279\u6b21\u6a94\u540d\u7a31\u76f8\u7576\u53ef\u7591\uff0c\u6240\u4ee5\u624d\u4fc3\u4f7f\u6211\u5011\u9032\u4e00\u6b65\u6df1\u5165\u7814\u7a76\u3002<\/p>\n\n\n\n<p><strong>\u8eb2\u907f\u5075\u6e2c<\/strong><\/p>\n\n\n\n<p>\u96d6\u7136\u9019\u500b\u6392\u7a0b\u5de5\u4f5c\u4f4d\u65bc Windows \u76ee\u9304\u4e0b\u7684\u6620\u50cf\u6a94\u6848\u88ab\u6a19\u8a3b\u70ba\u6b63\u5e38\u6a94\u6848\uff0c\u4f46\u82e5\u7528 VirusTotal \u5feb\u901f\u641c\u67e5\u4e00\u4e0b\u5247\u6703\u767c\u73fe\u8a72\u6a94\u6848\u7684\u540d\u7a31\u53ca\u5176\u5e73\u5e38\u6240\u5728\u7684\u4f4d\u7f6e\uff0c\u8207\u53d7\u5bb3\u7cfb\u7d71\u4e0a\u770b\u5230\u7684\u4e0d\u540c\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">PlugX \u8207\u60e1\u610f\u7684 BLOB \u6a94\u6848<\/h3>\n\n\n\n<p><br>\u9019\u500b\u6b63\u5e38\u7684\u6a94\u6848\u6703\u8f09\u5165\u4e00\u500b\u770b\u4f3c\u6b63\u5e38\u7684\u52d5\u614b\u9023\u7d50\u7a0b\u5f0f\u5eab (DLL)\uff0c\u5176\u540d\u7a31\u5c31\u50cf Microsoft \u5e38\u898b\u7684 DLL \u540d\u7a31\u3002\u4f46\u6211\u5011\u767c\u73fe\u9019\u500b DLL \u7684\u96dc\u6e4a\u78bc (hash) \u8207\u5176\u540c\u540d\u7684\u5df2\u77e5 DLL \u4e26\u4e0d\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u7d93\u904e\u9006\u5411\u5de5\u7a0b\u4e4b\u5f8c\u767c\u73fe\uff0c\u8a72\u6a94\u6848\u662f <a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/PLUGX\">PlugX \u8f09\u5165\u5668<\/a>\uff0c\u9019\u662f\u4e00\u500b\u9060\u7aef\u5b58\u53d6\u5de5\u5177 (RAT)\uff0c\u904e\u53bb\u4e00\u76f4\u88ab\u7528\u65bc\u4e00\u4e9b\u91dd\u5c0d\u653f\u5e9c\u76f8\u95dc\u7522\u696d\u53ca\u6a5f\u69cb\u7684\u653b\u64ca\u3002\u63a5\u8457\u6211\u5011\u53c8\u767c\u73fe\u5b83\u6703\u89e3\u958b\u3001\u8f09\u5165\u3001\u57f7\u884c\u53e6\u4e00\u500b DLL \u6a94\u6848\uff0c\u540c\u6a23\u4e5f\u662f\u4ee5 Windows \u7684\u67d0\u500b DLL \u4f86\u547d\u540d\uff0c\u4f46\u5176\u5be6\u662f\u4e00\u500b\u52a0\u5bc6\u904e\u7684\u4e8c\u9032\u4f4d\u5927\u578b\u7269\u4ef6 (Binary Large Object\uff0c\u7c21\u7a31 BLOB) \u6a94\u6848\u3002\u5716 1 \u986f\u793a\u9019\u4e09\u500b\u6a94\u6848\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/21\/a\/xdr-investigation-uncovers-plugx-unique-technique-in-apt-attack\/Fig%201%20XDR%20investigation%20uncovers%20PlugX.jpg\" alt=\"The relationship between the normal file used, the PlugX, and the malicious BLOB\"\/><figcaption>\u5716 1\uff1a\u653b\u64ca\u6240\u7528\u5230\u7684\u6b63\u5e38\u6a94\u6848\u3001PlugX \u8207\u60e1\u610f\u7684 BLOB \u6a94\u6848\u5f7c\u6b64\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/figcaption><\/figure>\n\n\n\n<p><br><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u5118\u7ba1 PlugX \u60e1\u610f\u7a0b\u5f0f\u5b58\u5728\u5df2\u4e45\uff0c\u4f46\u5b83\u8eb2\u907f\u5075\u6e2c\u7684\u80fd\u529b\u81f3\u4eca\u4ecd\u7136\u76f8\u7576\u6709\u6548\u3002\u6b64\u6b21\u653b\u64ca\u6240\u7528\u7684\u6a94\u6848\u5206\u70ba\u4e09\u500b\u90e8\u5206\uff1a<\/p>\n\n\n\n<ol type=\"1\"><li><strong>\u4e00\u500b\u6b63\u5e38\u6a94\u6848<\/strong><\/li><li><strong>\u4e00\u500b\u524d\u8ff0\u6b63\u5e38\u6a94\u6848\u6240\u7528\u5230\u7684 DLL \u8f09\u5165\u5668<\/strong><\/li><li><strong>\u4e00\u500b\u52a0\u5bc6\u7684 BLOB \u6a94\u6848\uff0c\u5167\u542b\u60e1\u610f\u7a0b\u5f0f\u78bc<\/strong><\/li><\/ol>\n\n\n\n<p>\u9019\u4e09\u500b\u6a94\u6848\u4e2d\uff0c\u8f09\u5165\u5668\u6700\u5bb9\u6613\u88ab\u5075\u6e2c\u3002\u4f46\u56e0\u70ba\u8a72\u6a94\u6848\u7684\u5167\u5bb9\u975e\u5e38\u55ae\u7d14\u76f4\u63a5\uff0c\u56e0\u6b64\u99ed\u5ba2\u4e5f\u5f88\u5bb9\u6613\u88fd\u4f5c\u51fa\u5404\u7a2e\u8b8a\u7a2e\u4f86\u8eb2\u907f\u5075\u6e2c\u3002<\/p>\n\n\n\n<p>BLOB \u7684\u5075\u6e2c\u5c31\u4e0d\u592a\u5bb9\u6613\uff0c\u56e0\u70ba\u5b83\u7684\u683c\u5f0f\u975e\u5e38\u300c\u81ea\u7531\u300d\uff0c\u5075\u6e2c\u5f15\u64ce\u5f88\u4e0d\u5bb9\u6613\u89e3\u6790\u5176\u5167\u5bb9\u4f86\u5075\u6e2c\u60e1\u610f\u7a0b\u5f0f\u78bc\uff0c\u9019\u8b93\u7aef\u9ede\u9632\u8b77\u5e73\u53f0 (EPP) \u548c\u7aef\u9ede\u5075\u6e2c\u53ca\u56de\u61c9 (EDR) \u7522\u54c1\u7684\u5075\u6e2c\u5de5\u4f5c\u8b8a\u5f97\u56f0\u96e3\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u53ea\u8981\u66f4\u6539\u52a0\u5bc6\u6a5f\u5236\u6216\u5305\u88dd\u7a0b\u5f0f\uff0cBLOB \u6a94\u6848\u6574\u500b\u5c31\u6703\u9577\u5f97\u5b8c\u5168\u4e0d\u540c\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u81ea\u5f9e 2020 \u5e74\u8d77\uff0c\u6211\u5011\u767c\u73fe BLOB \u6a94\u6848\u7684\u4f7f\u7528\u7387\u8d8a\u4f86\u8d8a\u9ad8\u3002<\/p>\n\n\n\n<p>\u60e1\u610f\u7a0b\u5f0f\u78bc\u6703\u5728\u524d\u8ff0\u6b63\u5e38\u6a94\u6848\u7684\u4f4d\u5740\u7a7a\u9593\u5167\u57f7\u884c\uff0c\u5982\u6b64\u4e00\u4f86\uff0c\u60e1\u610f\u7a0b\u5f0f\u78bc\u5c31\u80fd\u8eb2\u907f\u4e00\u822c\u7684\u884c\u70ba\u76e3\u63a7\u529f\u80fd\uff0c\u4f8b\u5982\u7aef\u9ede\u9632\u8b77\u5e73\u53f0 (EPP) \u6703\u5c07\u8a72\u8655\u7406\u7a0b\u5e8f\u8996\u70ba\u6b63\u5e38\u8655\u7406\u7a0b\u5e8f\uff0c\u95dc\u65bc\u9019\u9ede\u6211\u5011\u4e0b\u4e00\u7bc0\u6709\u6df1\u5165\u5256\u6790\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">PlugX \u6df1\u5165\u5256\u6790<\/h2>\n\n\n\n<p><br><strong>\u6ce8\u5165 svchost<\/strong><\/p>\n\n\n\n<p>\u6b64\u653b\u64ca\u4e2d\u6240\u7528\u7684 PlugX \u8b8a\u7a2e (\u8da8\u52e2\u79d1\u6280\u547d\u540d\u70ba Backdoor.Win32.PLUGX.DYSGUT) \u4ee5\u53ca BLOB \u4e2d\u7684\u7a0b\u5f0f\u78bc\uff0c\u6703\u555f\u52d5\u4e00\u500b &nbsp;svchost.exe \u8655\u7406\u7a0b\u5e8f\uff0c\u7136\u5f8c\u5c07\u60e1\u610f\u7a0b\u5f0f\u78bc\u6ce8\u5165\u5176\u4e2d\u3002\u901a\u5e38 &nbsp;svchost.exe \u90fd\u662f\u7531 services.exe \u6240\u555f\u52d5\uff0c\u6240\u4ee5 PlugX \u555f\u52d5 svchost.exe \u7684\u52d5\u4f5c\u5c31\u975e\u5e38\u503c\u5f97\u6df1\u5165\u8abf\u67e5\u3002<\/p>\n\n\n\n<p>&nbsp;\u6ce8\u5165 svchost \u7684\u4f5c\u6cd5\u65e9\u5c31\u4e0d\u662f\u65b0\u7684\u624b\u6cd5\uff0c\u4e8b\u5be6\u4e0a &nbsp;<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/group-behind-trickbot-spreads-fileless-bazarbackdoor\">Trickbot<\/a> \u9084\u6709\u5176\u4ed6\u60e1\u610f\u7a0b\u5f0f\u540c\u6a23\u4e5f\u6703\u4f7f\u7528\u9019\u9805\u6280\u5de7\uff0cTrickbot \u8207 PlugX \u7684\u5dee\u5225\u5728\u65bc Trickbot \u66f4\u5bb9\u6613\u88ab\u5075\u6e2c\u5230\u3002Trickbot \u7684\u4e8c\u9032\u4f4d\u6a94\u6848\u6703\u81ea\u5df1\u57f7\u884c\u9019\u500b\u6ce8\u5165\u7684\u52d5\u4f5c\uff0c\u53cd\u89c0 PlugX \u5247\u662f\u4f7f\u7528\u4e00\u500b\u88ab\u5217\u5728\u767d\u540d\u55ae\u5167\u7684\u6b63\u5e38\u8655\u7406\u7a0b\u5e8f\u4f86\u57f7\u884c\u6ce8\u5165\u52d5\u4f5c\u3002\u56e0\u6b64\uff0cEPP \u7684\u884c\u70ba\u76e3\u63a7\u529f\u80fd\u53ef\u80fd\u5c31\u6703\u8b93\u9019\u500b\u5217\u5728\u767d\u540d\u55ae\u5167\u7684\u8655\u7406\u7a0b\u5e8f\u6b63\u5e38\u57f7\u884c\u3002\u6240\u4ee5\uff0c\u99ed\u5ba2\u5c31\u80fd\u5728\u4e00\u500b\u6b63\u5e38\u8655\u7406\u7a0b\u5e8f\u7576\u4e2d\u4f7f\u7528 RAT \u5de5\u5177\u3002<\/p>\n\n\n\n<p><br><strong>\u7368\u7279\u7684\u5de5\u5177\u555f\u52d5\u65b9\u5f0f<\/strong><\/p>\n\n\n\n<p>\u6839\u64da\u6211\u5011\u7684\u7814\u7a76\u986f\u793a\uff0c\u99ed\u5ba2\u5728\u653b\u64ca\u4e2d\u9084\u4f7f\u7528\u4e86\u4e00\u4e9b\u5176\u4ed6\u5de5\u5177\u3002\u9019\u4e9b\u5de5\u5177\u7684\u7528\u9014\u5f9e\u7db2\u8def\u6383\u63cf\u5230\u5e33\u865f\u8490\u96c6\u7b49\u7b49\u3002\u8981\u4f7f\u7528\u9019\u4e9b\u5de5\u5177\uff0c\u6700\u7c21\u55ae\u7684\u65b9\u5f0f\u5c31\u662f\u8b93\u6ce8\u5165 svchost \u8655\u7406\u7a0b\u5e8f\u4e2d\u7684\u7a0b\u5f0f\u78bc\u4e0b\u8f09\u3001\u690d\u5165\u4e26\u57f7\u884c\u9019\u4e9b\u5de5\u5177\u3002&nbsp;<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/21\/a\/xdr-investigation-uncovers-plugx-unique-technique-in-apt-attack\/Fig%202%20XDR%20investigation%20uncovers%20PlugX.jpg\" alt=\"A straightforward approach to launching a malicious tool\"\/><figcaption><br>\u5716 2\uff1a\u4e00\u7a2e\u7c21\u55ae\u53c8\u76f4\u63a5\u7684\u60e1\u610f\u5de5\u5177\u57f7\u884c\u65b9\u5f0f\u3002<\/figcaption><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u9019\u500b\u65b9\u6cd5\u96d6\u7136\u7c21\u55ae\uff0c\u4f46\u537b\u53ef\u80fd\u89f8\u767c\u4e00\u5927\u5806\u7684\u53ef\u7591\u76e3\u6e2c\u4e8b\u4ef6\uff0c\u56e0\u70ba svchost.exe \u7a81\u7136\u57f7\u884c\u4e86\u4e00\u500b\u4e0d\u77e5\u540d\u7684\u61c9\u7528\u7a0b\u5f0f\u53ef\u80fd\u6703\u89f8\u767c\u8b66\u793a\u3002\u6240\u4ee5\uff0c\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u99ed\u5ba2\u63a1\u53d6\u4e86\u53e6\u4e00\u7a2e\u65b9\u5f0f\uff0c\u91dd\u5c0d\u6bcf\u4e00\u500b\u8981\u57f7\u884c\u7684\u5de5\u5177\uff0c\u99ed\u5ba2\u6703\u5efa\u7acb\u4e09\u7a2e\u6771\u897f\uff1a<\/p>\n\n\n\n<ol type=\"1\"><li><strong>&nbsp;\u4e00\u500b\u8f14\u52a9\u5de5\u5177\u6a94\u6848<\/strong><\/li><li><strong>&lt;filename&gt;.bat \u6279\u6b21\u6a94<\/strong><\/li><li><strong>\u4f7f\u7528\u547d\u4ee4\u63d0\u793a\u5b57\u5143 (Cmd.exe) \u548c\u6392\u7a0b\u5de5\u4f5c (schtasks.exe) \u5169\u500b\u6307\u4ee4\u4f86\u5efa\u7acb\u4e00\u500b\u6392\u7a0b\u5de5\u4f5c\uff0c\u7528\u4f86\u57f7\u884c\u524d\u8ff0\u7684\u6279\u6b21\u6a94<\/strong><\/li><\/ol>\n\n\n\n<p>\u99ed\u5ba2\u4e26\u4e0d\u76f4\u63a5\u555f\u52d5\u8f14\u52a9\u5de5\u5177\uff0c\u800c\u662f\u5229\u7528\u4e00\u500b\u6392\u7a0b\u5de5\u4f5c\u4f86\u57f7\u884c\u6279\u6b21\u6a94\uff0c\u518d\u7528\u6279\u6b21\u6a94\u4f86\u57f7\u884c\u8f14\u52a9\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u99ed\u5ba2\u5728\u4f7f\u7528\u4e00\u500b\u5de5\u5177\u7684\u52d5\u4f5c\u53ef\u62c6\u89e3\u6210\u5169\u500b\u968e\u6bb5\uff1a(1) \u900f\u904e\u57f7\u884c\u60e1\u610f\u7a0b\u5f0f\u78bc\u7684 svchost.exe \u8655\u7406\u7a0b\u5e8f\u5728\u7cfb\u7d71\u690d\u5165\u5de5\u5177\uff0c(2) \u900f\u904e\u6392\u7a0b\u5de5\u4f5c\u4f86\u57f7\u884c\u5de5\u5177\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/21\/a\/xdr-investigation-uncovers-plugx-unique-technique-in-apt-attack\/Fig%203%20XDR%20investigation%20uncovers%20PlugX.jpg\" alt=\"A diagram showing the dropping of the auxiliary tool\"\/><figcaption>\u5716 3\uff1a\u8f14\u52a9\u5de5\u5177\u690d\u5165\u7cfb\u7d71\u7684\u904e\u7a0b\u3002<\/figcaption><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u5982\u679c\u4e0d\u770b\u8f14\u52a9\u5de5\u5177\u3001\u6279\u6b21\u6a94\u53ca\u6392\u7a0b\u5de5\u4f5c\u7684\u5efa\u7acb\u904e\u7a0b\uff0cPlugX \u770b\u4f86\u5c31\u4f3c\u4e4e\u8207\u8f14\u52a9\u5de5\u5177\u7684\u57f7\u884c\u6beb\u7121\u95dc\u806f\uff0c\u4f46\u5982\u679c\u9032\u4e00\u6b65\u6df1\u5165\u8abf\u67e5\u5c31\u6703\u767c\u73fe\u60c5\u6cc1\u4e26\u975e\u5982\u6b64\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/21\/a\/xdr-investigation-uncovers-plugx-unique-technique-in-apt-attack\/Fig%204%20XDR%20investigation%20uncovers%20PlugX.jpg\" alt=\"Launching the auxiliary tool via the scheduled task\" width=\"580\" height=\"211\"\/><figcaption>\u5716 4\uff1a\u7d93\u7531\u6392\u7a0b\u5de5\u4f5c\u57f7\u884c\u8f14\u52a9\u5de5\u5177\u3002<\/figcaption><\/figure>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p><br><\/p>\n\n\n\n<p>\u6392\u7a0b\u5de5\u4f5c\u901a\u5e38\u88ab\u99ed\u5ba2\u7528\u4f86\u5e38\u99d0\u65bc\u7cfb\u7d71\u5167\u6216\u57f7\u884c\u6b0a\u9650\u63d0\u5347\u7684\u52d5\u4f5c\uff0c\u4f46\u672c\u6848\u4f8b\u7684\u60c5\u6cc1\u4e0d\u540c\u3002\u7531\u65bc\u6392\u7a0b\u5de5\u4f5c\u53ea\u57f7\u884c\u4e86\u4e00\u6b21\uff0c\u56e0\u6b64\u6b79\u5f92\u4e0d\u662f\u70ba\u4e86\u5e38\u99d0\u65bc\u7cfb\u7d71\u5167\u3002\u800c\u4e14\uff0c\u7531\u65bc\u555f\u52d5 PlugX \u8655\u7406\u7a0b\u5e8f\u8207\u8f14\u52a9\u5de5\u5177\u7684\u4f7f\u7528\u8005\u5e33\u865f\u662f\u76f8\u540c\u7684\uff0c\u6240\u4ee5\u6b79\u5f92\u4e5f\u4e0d\u662f\u70ba\u4e86\u63d0\u5347\u6b0a\u9650\u3002\u99ed\u5ba2\u4e4b\u6240\u4ee5\u4f7f\u7528\u9019\u9805\u6280\u5de7\uff0c\u4e00\u500b\u53ef\u80fd\u7684\u539f\u56e0\u5c31\u662f\u70ba\u4e86\u589e\u52a0\u9451\u8b58\u5206\u6790 (\u4f8b\u5982 EDR) \u7684\u5de5\u4f5c\u96e3\u5ea6\u3002<\/p>\n\n\n\n<p>\u5c07\u8f14\u52a9\u5de5\u5177\u7684\u690d\u5165\u8207\u57f7\u884c\u5169\u500b\u52d5\u4f5c\u5206\u958b\uff0c\u53ef\u80fd\u6703\u8b93 EDR \u7121\u6cd5\u9806\u5229\u7522\u751f RCA \u5716\u8868\uff0c\u5c24\u5176\u662f\u7121\u6cd5\u63d0\u4f9b\u653b\u64ca\u7684\u91cd\u8981\u8cc7\u8a0a\uff0c\u6240\u4ee5\u8cc7\u5b89\u5206\u6790\u5e2b\u5fc5\u9808\u4ef0\u8cf4\u76e3\u6e2c\u8cc7\u6599\u4f86\u63d0\u4f9b\u66f4\u5b8c\u6574\u7684\u653b\u64ca\u5168\u8c8c\u3002<\/p>\n\n\n\n<p>\u5728\u9019\u8d77\u4e8b\u4ef6\u7576\u4e2d\uff0c\u99ed\u5ba2\u4f7f\u7528\u4e86\u4e00\u500b\u7279\u6b8a\u7684\u5de5\u5177\u4f86\u8490\u96c6\u4f01\u696d\u7684\u8cc7\u8a0a\u3002\u4f46\u662f\uff0c\u99ed\u5ba2\u5728\u6211\u5011\u53d6\u5f97\u9019\u500b\u5de5\u5177\u4e4b\u524d\u5c31\u5df2\u7d93\u5c07\u5b83\u522a\u9664\u3002\u5982\u679c\u53ef\u4ee5\u5206\u6790\u9019\u4e9b\u5de5\u5177\uff0c\u6211\u5011\u5c31\u80fd\u66f4\u4e86\u89e3\u6574\u500b\u653b\u64ca\u904e\u7a0b\u4ee5\u53ca\u4f01\u696d\u5167\u767c\u751f\u4e86\u4ec0\u9ebc\u4e8b\u3002\u4f46\u99ed\u5ba2\u6bcf\u6b21\u7528\u5230\u4e00\u500b\u5de5\u5177\uff0c\u90fd\u6703\u5728\u7528\u5b8c\u4e4b\u5f8c\u7acb\u5373\u5c07\u5b83\u5f9e\u78c1\u789f\u522a\u9664\uff0c\u800c\u6574\u500b\u904e\u7a0b\u901a\u5e38\u4e0d\u6703\u8d85\u904e 15 \u5206\u9418\uff0c\u6240\u4ee5\u6211\u5011\u5f88\u96e3\u53d6\u5f97\u6b79\u5f92\u6240\u4f7f\u7528\u7684\u5de5\u5177\u3002\u5c0d\u99ed\u5ba2\u800c\u8a00\uff0c\u5de5\u5177\u7528\u5b8c\u5c31\u522a\u6709\u52a9\u65bc\u99ed\u5ba2\u5728\u4f01\u696d\u5167\u6f5b\u4f0f\u66f4\u4e45\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f01\u696d\u6a5f\u69cb\u61c9\u7559\u610f\u4e9b\u4ec0\u9ebc<\/h2>\n\n\n\n<p><br>\u91dd\u5c0d\u50cf\u9019\u6a23\u6b79\u5f92\u5728\u5de5\u5177\u7528\u5b8c\u4e4b\u5f8c\u5c31\u7acb\u523b\u522a\u9664\u4ee5\u514d\u88ab\u767c\u73fe\u7684\u653b\u64ca\u4e8b\u4ef6\uff0c\u5a01\u8105\u8ffd\u8e64\u5de5\u5177\u5c31\u80fd\u6d3e\u4e0a\u7528\u5834\u3002\u5b83\u53ef\u904e\u6ffe\u6240\u6709\u53ef\u7591\u7684\u4e8b\u4ef6\uff0c\u8a66\u5716\u5f9e\u4e2d\u62fc\u6e4a\u51fa\u4e8b\u4ef6\u767c\u751f\u7684\u904e\u7a0b\uff0c\u56e0\u6b64\u6709\u52a9\u65bc\u767c\u73fe\u9019\u985e\u653b\u64ca\u3002<\/p>\n\n\n\n<p>\u6211\u5011\u6839\u64da\u6211\u5011\u5c0d\u9019\u8d77\u653b\u64ca\u7684\u5206\u6790\u63d0\u4f9b\u4ee5\u4e0b\u4e00\u4e9b\u5be6\u7528\u7684\u8cc7\u8a0a\u4f86\u5354\u52a9\u4f01\u696d\u6a5f\u69cb\u767c\u73fe PlugX \u548c\u99ed\u5ba2\u5728\u4f01\u696d\u5167\u90e8\u6a6b\u5411\u79fb\u52d5\u7684\u8de1\u8c61\u3002 &nbsp;<\/p>\n\n\n\n<p><br><strong>\u5982\u4f55\u767c\u73fe PlugX<\/strong>?<\/p>\n\n\n\n<p>\u7531\u65bc PlugX \u4f7f\u7528\u7684\u662f\u6b63\u5e38\u6a94\u6848\uff0c\u56e0\u6b64\u4e00\u822c\u9632\u6bd2\u8edf\u9ad4 (AV) \u6216\u7aef\u9ede\u9632\u8b77\u5e73\u53f0 (EPP) \u5f88\u96e3\u5075\u6e2c\u5230\u5b83\u3002\u5a01\u8105\u8ffd\u8e64\u4eba\u54e1\u53ef\u5229\u7528\u4ee5\u4e0b\u65b9\u5f0f\u4f86\u767c\u6398\u5176\u4ed6\u53ef\u80fd\u611f\u67d3 PlugX \u7684\u96fb\u8166\uff1a\u4f7f\u7528\u4e00\u4e9b\u53ef\u5206\u8fa8\u6b63\u5e38\u6a94\u6848\u7684\u5c6c\u6027 (\u5982\u6a94\u6848\u7684\u96dc\u6e4a\u78bc\u8207\u6578\u4f4d\u7c3d\u7ae0)\uff0c\u57f7\u884c\u4e00\u6b21\u6383\u63cf\u5de5\u4f5c\u4f86\u5075\u6e2c\u6b64\u653b\u64ca\u7528\u5230\u7684\u6b63\u5e38\u6a94\u6848\u3002\u6709\u6642\u5019\uff0c\u8ca0\u8cac\u8f09\u5165 PlugX \u7684\u6b63\u5e38\u6a94\u6848\uff0c\u5176\u6a94\u6848\u540d\u7a31\u6216\u6240\u5728\u4f4d\u7f6e\u6703\u8ddf\u5e73\u5e38\u7684\u6a94\u6848\u6709\u6240\u5dee\u7570\u3002\u4f8b\u5982\uff0cMicrosoft \u7684 &nbsp;outlook.exe&nbsp; \u901a\u5e38\u662f\u653e\u5728 Program Files \u76ee\u9304\uff0c\u56e0\u6b64\u5982\u679c\u5728 Windows \u76ee\u9304\u4e0b\u627e\u5230\u4e00\u500b &nbsp;outlook.exe&nbsp; \u6a94\u6848\uff0c\u5c31\u5f88\u53ef\u7591\u3002\u627e\u51fa\u50cf\u9019\u6a23\u7684\u7570\u5e38\u4e4b\u8655\uff0c\u6216\u8a31\u5c31\u80fd\u767c\u73fe\u611f\u67d3\u7684\u60c5\u6cc1\u6709\u591a\u5ee3\u3002<\/p>\n\n\n\n<p><br><strong>\u5982\u4f55\u5075\u6e2c\u6a6b\u5411\u79fb\u52d5<\/strong><\/p>\n\n\n\n<p>\u91dd\u5c0d\u9019\u8d77\u653b\u64ca\uff0c\u6211\u5011\u767c\u73fe\u6b79\u5f92\u6703\u5c0b\u627e\u7db2\u8def\u4e0a\u7684 Windows \u7cfb\u7d71\u5171\u7528\u8cc7\u6599\u593e\uff0c\u7136\u5f8c\u5f9e\u9060\u7aef\u5efa\u7acb\u6392\u7a0b\u5de5\u4f5c\u4f86\u555f\u52d5\u60e1\u610f\u7a0b\u5f0f\uff0c\u9019\u5169\u500b\u52d5\u4f5c\u90fd\u662f\u53d7\u5bb3\u8005\u74b0\u5883\u5167\u5f88\u5c11\u767c\u751f\u7684\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df1\u5165\u8ffd\u67e5\u7570\u5e38\u4e8b\u4ef6\u7684\u91cd\u8981\u6027<\/h3>\n\n\n\n<p><br>\u7576\u4f01\u696d\u8981\u5c0b\u627e\u6b64\u653b\u64ca\u7528\u7684 PlugX 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(\u5982 <a href=\"https:\/\/www.trendmicro.com\/en_ph\/business\/products\/detection-response\/xdr.html\">Trend Micro XDR<\/a> \u6240\u63d0\u4f9b\u7684) \u4e5f\u6709\u52a9\u65bc\u4f01\u696d\u6709\u6548\u9632\u7bc4\u9032\u968e\u5a01\u8105\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u8da8\u52e2\u79d1\u6280\u89e3\u6c7a\u65b9\u6848<\/h2>\n\n\n\n<p><br>\u8da8\u52e2\u79d1\u6280\u5168\u65b9\u4f4d\u7684 <a href=\"https:\/\/www.trendmicro.com\/en_us\/business\/products\/detection-response\/xdr.html?utm_campaign=PRLA2019_Corporate_XDR&amp;utm_medium=VURL&amp;utm_source=General&amp;utm_content=XDR\">XDR<\/a> \u89e3\u6c7a\u65b9\u6848\u63a1\u7528\u6700\u6709\u6548\u7684\u5c08\u5bb6\u6578\u64da\u5206\u6790\u4f86\u8655\u7406\u8da8\u52e2\u79d1\u6280\u7522\u54c1\u5f9e\u4f01\u696d\u6574\u9ad4\u74b0\u5883\u8490\u96c6\u5230\u7684\u8cc7\u6599\uff0c\u5305\u62ec\uff1a\u96fb\u5b50\u90f5\u4ef6\u3001\u7aef\u9ede\u3001\u4f3a\u670d\u5668\u3001\u96f2\u7aef\u5de5\u4f5c\u8ca0\u8f09\u4ee5\u53ca\u7db2\u8def\uff0c\u56e0\u6b64\u80fd\u66f4\u5feb\u767c\u6398\u4e8b\u4ef6\u4e4b\u9593\u7684\u95dc\u806f\uff0c\u9032\u800c\u5075\u6e2c\u4e26\u6514\u622a\u653b\u64ca\u3002\u904b\u7528\u5f37\u5927\u7684\u4eba\u5de5\u667a\u6167 (AI) \u8207\u5c08\u5bb6\u8cc7\u5b89\u6578\u64da\u5206\u6790\u4f86\u4ea4\u53c9\u95dc\u806f\u5ba2\u6236\u74b0\u5883\u7684\u8cc7\u6599\uff0c\u518d\u914d\u5408\u8da8\u52e2\u79d1\u6280\u7684\u5168\u7403\u5a01\u8105\u60c5\u5831\uff0c\u5c31\u80fd\u63d0\u4f9b\u91cf\u5c11\u8cea\u7cbe\u7684\u8b66\u793a\uff0c\u66f4\u6e96\u78ba\u5730\u63d0\u65e9\u5075\u6e2c\u5a01\u8105\u3002\u900f\u904e\u55ae\u4e00\u4e3b\u63a7\u53f0\u3001\u7d93\u904e\u512a\u5148\u6b21\u5e8f\u904e\u6ffe\u7684\u6700\u4f73\u5316\u55ae\u4e00\u8b66\u793a\u4f86\u6e90\uff0c\u4ee5\u53ca\u9010\u6b65\u5f15\u5c0e\u7684\u4e8b\u4ef6\u8abf\u67e5\uff0c\u7c21\u5316\u4f01\u696d\u638c\u63e1\u99ed\u5ba2\u653b\u64ca\u8def\u5f91\u53ca\u885d\u64ca\u7bc4\u570d\u7684\u6b65\u9a5f\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/www.trendmicro.com\/en_us\/research\/21\/a\/xdr-investigation-uncovers-plugx-unique-technique-in-apt-attack.html\">XDR investigation uncovers PlugX, unique technique in APT attack<\/a> &nbsp;\u4f5c\u8005\uff1aGilbert Sison\u3001Abraham Camba \u8207 Ryan Maglaque<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u4e00\u9663\u5b50\u6211\u5011\u7d93\u7531 Apex One with Endpoint Sensor (iES) \u5075\u6e2c\u5230\u4e00\u8d77\u9032\u968e\u6301\u7e8c\u6027 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[10,4379,1268],"tags":[4374,2344],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/67106"}],"collection":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=67106"}],"version-history":[{"count":3,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/67106\/revisions"}],"predecessor-version":[{"id":67605,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/67106\/revisions\/67605"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}