{"id":58512,"date":"2019-02-22T09:00:38","date_gmt":"2019-02-22T01:00:38","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=58512"},"modified":"2019-02-15T16:47:09","modified_gmt":"2019-02-15T08:47:09","slug":"%e7%84%a1%e6%aa%94%e6%a1%88%e6%83%a1%e6%84%8f%e7%a8%8b%e5%bc%8ffileless-malware%e4%ba%94%e7%a8%ae%e9%81%8b%e4%bd%9c%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=58512","title":{"rendered":"\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f(Fileless Malware)\u4e94\u7a2e\u904b\u4f5c\u65b9\u5f0f"},"content":{"rendered":"<p>\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u65e9\u5df2\u4e0d\u662f\u4ec0\u9ebc\u65b0\u805e\uff0c\u4f46\u76ee\u524d\u537b\u6709&nbsp;<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/research-and-analysis\/threat-reports\/roundup\/unseen-threats-imminent-losses\">\u65e5\u76ca\u589e\u52a0<\/a>\u7684\u8da8\u52e2\u3002\u4e8b\u5be6\u4e0a\uff0c\u6839\u64da\u5831\u5c0e\uff0c\u5728\u91dd\u5c0d\u4f01\u696d\u7684\u653b\u64ca\u5f97\u901e\u6848\u4f8b\u7576\u4e2d\uff0c\u6709 <a href=\"https:\/\/www.barkly.com\/ponemon-2018-endpoint-security-statistics-trends\">77%<\/a> \u90fd\u662f\u4f7f\u7528\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u3002\u9019\u985e\u60e1\u610f\u7a0b\u5f0f\u4e0d\u50cf\u50b3\u7d71\u60e1\u610f\u7a0b\u5f0f\u90a3\u6a23\u5bb9\u6613\u88ab\u767c\u73fe\uff0c\u800c\u4e14\u6703\u5229\u7528\u5404\u7a2e\u6280\u5de7\u4f86\u9577\u671f\u8eb2\u85cf\u5728\u7cfb\u7d71\u5167\u90e8\uff0c\u56e0\u6b64\u96a8\u6642\u53ef\u80fd\u5c0d\u4f01\u696d\u6d41\u7a0b\u6216\u71df\u904b\u57fa\u790e\u67b6\u69cb\u9020\u6210\u5371\u5bb3\u3002<\/p>\n<p>\u4ee5\u4e0b\u8a73\u7d30\u8aaa\u660e\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u7684\u5e7e\u7a2e\u904b\u4f5c\u65b9\u5f0f\u4ee5\u53ca\u5982\u4f55\u52a0\u4ee5\u9632\u7bc4\u3002<\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-57580\" src=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800.jpg\" alt=\"\" width=\"800\" height=\"450\" data-wp-pid=\"57580\" srcset=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800.jpg 800w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800-300x169.jpg 300w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800-768x432.jpg 768w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800-30x17.jpg 30w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/10\/20180913232113171-949-ntzskhu-800-600x338.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<h2>\u4e00.\u7d93\u7531\u6587\u4ef6\u6f0f\u6d1e\u653b\u64ca\u4f86\u555f\u52d5\u60e1\u610f\u7a0b\u5f0f<\/h2>\n<p>\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u4e5f\u6709\u53ef\u80fd\u7d93\u7531\u50b3\u7d71\u65b9\u5f0f\u9032\u5165\u7cfb\u7d71\uff0c\u4f8b\u5982\u7d93\u7531 JavaScript \u6216 VisualBasic (VBA) \u60e1\u610f\u5de8\u96c6\u8173\u672c\u4e26\u5167\u5d4c\u5728 Office \u6587\u4ef6\u3001PDF \u6a94\u6848\u3001\u58d3\u7e2e\u6a94\u6216\u770b\u4f3c\u7121\u5bb3\u7684\u6a94\u6848\u5167\u90e8\u3002\u9019\u4e9b\u5de8\u96c6\u4e00\u65e6\u57f7\u884c\uff0c\u5c31\u6703\u904b\u7528\u4e00\u4e9b\u6b63\u5e38\u7684\u5de5\u5177 (\u5982 PowerShell) \u4f86\u9032\u4e00\u6b65\u555f\u52d5\u3001\u4e0b\u8f09\u548c\u57f7\u884c\u66f4\u591a\u7a0b\u5f0f\u78bc\u3001\u8173\u672c\u6216\u60e1\u610f\u6a94\u6848\u3002\u9019\u4e9b\u5de8\u96c6\u8173\u672c\u901a\u5e38\u4e5f\u662f\u7d93\u7531 PowerShell \u4e4b\u985e\u7684\u5de5\u5177\u4f86\u57f7\u884c\uff0c\u4e26\u4e14\u6703\u7d93\u904e\u52a0\u5bc6\u7de8\u78bc\uff0c\u8b93\u8cc7\u5b89\u8edf\u9ad4\u7121\u6cd5\u8f15\u6613\u5075\u6e2c\u89f8\u767c\u5176\u57f7\u884c\u7684\u95dc\u9375\u5b57\u3002<\/p>\n<p>\u9019\u4e9b\u8173\u672c\u53ef\u5229\u7528 PowerShell \u4f86\u8b80\u53d6\u4e26\u57f7\u884c\u672c\u6a5f\u7cfb\u7d71\u4e0a\u7684\u57f7\u884c\u6a94\uff0c\u6216\u8005\u76f4\u63a5\u57f7\u884c\u5df2\u7d93\u5728\u8a18\u61b6\u9ad4\u4e2d\u7684\u7a0b\u5f0f\u78bc\u3002\u4f46\u5373\u4f7f\u662f\u5f8c\u8005\u4e5f\u4e0d\u7b97\u5b8c\u5168\u7684\u7121\u6a94\u6848\u5f0f\u653b\u64ca\uff0c\u56e0\u70ba\u6b79\u5f92\u9084\u662f\u9700\u8981\u5148\u900f\u904e\u6a94\u6848\u633e\u5e36\u5de8\u96c6\u4f86\u5165\u4fb5\u7cfb\u7d71\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/security-101-defending-against-fileless-malware-1.png\"><br \/>\n<em>\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u900f\u904e\u6587\u4ef6\u6f0f\u6d1e\u767c\u52d5\u653b\u64ca\u7684\u904e\u7a0b\u3002<\/em><\/p>\n<p>\u4e00\u822c\u4f7f\u7528\u8005\u53ef\u85c9\u7531\u57f9\u990a\u4e00\u4e9b\u826f\u597d\u7684\u8cc7\u5b89\u7fd2\u6163\u4e26\u63d0\u5347\u8077\u5834\u7684\u8cc7\u5b89\u610f\u8b58\uff0c\u4f86\u76e1\u53ef\u80fd\u907f\u514d\u906d\u53d7\u9019\u985e\u653b\u64ca\u7684\u5a01\u8105\uff0c\u4f8b\u5982\uff1a<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57421\">\u91dd\u5c0d\u4e00\u4e9b\u4e0d\u8acb\u81ea\u4f86\u7684\u90f5\u4ef6\u6216\u6a94\u6848\u61c9\u63d0\u9ad8\u8b66\u89ba<\/a>\uff0c\u5c24\u5176\u662f\u5728\u958b\u555f\u6642\u6703\u8981\u6c42\u4f7f\u7528\u8005\u555f\u7528\u5de8\u96c6\u6216\u8173\u672c\u529f\u80fd\u7684\u6a94\u6848\u3002<\/p>\n<p>\u81f3\u65bc\u4f01\u696d\uff0c\u5247\u53ef\u63a1\u7528\u4e00\u4e9b\u7aef\u9ede\u9632\u8b77\u7522\u54c1\u4f86\u9632\u7bc4\u9019\u985e\u7d93\u7531<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=149\">\u5783\u573e\u90f5\u4ef6<\/a>\u6563\u64ad\u7684\u7121\u6a94\u6848\u5f0f\u653b\u64ca\uff0c\u4f8b\u5982\uff1a<u><a href=\"https:\/\/www.trendmicro.tw\/tw\/business\/complete-software-protection\/index.html\">\u8da8\u52e2\u79d1\u6280Smart Protection Suites<\/a><\/u>\u53ca &nbsp; <a href=\"https:\/\/www.trendmicro.com\/zh_tw\/small-business\/all-products-for-smb.html\">Worry-Free Business Security&nbsp;<\/a> \u9019\u5169\u5957\u89e3\u6c7a\u65b9\u6848\u90fd\u80fd\u59a5\u5584\u4fdd\u8b77\u4f01\u696d\u548c\u4f7f\u7528\u8005\uff0c\u5075\u6e2c\u76f8\u95dc\u7684\u60e1\u610f\u6a94\u6848\u548c\u5783\u573e\u90f5\u4ef6\uff0c\u6514\u622a\u6240\u6709\u76f8\u95dc\u7684\u60e1\u610f\u9023\u7d50\u3002\u6b64\u5916\uff0c\u9084\u6709<u><a href=\"https:\/\/t.rend.tw\/?i=NDIwMw==\">\u8da8\u52e2\u79d1\u6280Deep Discovery\u9032\u968e\u7db2\u8def\u5b89\u5168\u9632\u8b77<\/a> <\/u>\u53ef\u63d0\u4f9b <a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/user-protection\/sps\/email-and-collaboration\/email-inspector.html\">\u96fb\u5b50\u90f5\u4ef6\u6aa2\u67e5<\/a>\u4f86\u5075\u6e2c\u60e1\u610f\u7684\u9644\u4ef6\u6a94\u6848\u548c\u7db2\u5740\u4ee5\u78ba\u4fdd\u4f01\u696d\u5b89\u5168\u3002<u><a href=\"https:\/\/t.rend.tw\/?i=NDIwMw==\">\u8da8\u52e2\u79d1\u6280Deep Discovery\u9032\u968e\u7db2\u8def\u5b89\u5168\u9632\u8b77<\/a> <\/u>\u53ef\u5075\u6e2c\u5f9e\u9060\u7aef\u57f7\u884c\u7684\u8173\u672c\uff0c\u5373\u4f7f\u5b83\u4e26\u672a\u4e0b\u8f09\u5230\u7aef\u9ede\u88dd\u7f6e\u4e0a\u3002<!--more--><\/p>\n<p><a href=\"https:\/\/www.trendmicro.tw\/tw\/small-business\/hosted-email-security\/index.html\">\u8da8\u52e2\u79d1\u6280\u7684Hosted Email Security<\/a> \u662f\u4e00\u5957\u4e0d\u9700\u60a8\u7dad\u8b77\u7684\u96f2\u7aef\u65b9\u6848\uff0c\u63d0\u4f9b\u6301\u7e8c\u66f4\u65b0\u7684\u9632\u8b77\uff0c\u5e6b\u60a8\u6514\u622a\u5783\u573e\u90f5\u4ef6\u3001\u60e1\u610f\u7a0b\u5f0f\u4ee5\u53ca\u9032\u968e\u91dd\u5c0d\u6027\u653b\u64ca\uff0c\u4e0d\u8b93\u5a01\u8105\u5230\u9054\u60a8\u7684\u7db2\u8def\u3002\u6b64\u5916\uff0c\u8da8\u52e2\u79d1\u6280\u7684\u5783\u573e\u90f5\u4ef6\u9632\u8b77\u5f15\u64ce\u4e0d\u9700\u75c5\u6bd2\u78bc\u5c31\u80fd\u5075\u6e2c\u4e26\u6514\u622a\u60e1\u610f\u6a94\u6848\u3002Hosted Email Security \u80fd\u4fdd\u8b77 Microsoft Exchange\u3001&nbsp;<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/user-protection\/sps\/email-and-collaboration\/cloud-app-security.html\">Cloud App Security for Microsoft Office 365<\/a>\u3001Google Apps \u4ee5\u53ca\u5176\u4ed6\u4ee3\u7ba1\u5f0f\u6216\u4f01\u696d\u5167\u96fb\u5b50\u90f5\u4ef6\u7522\u54c1\u3002\u8da8\u52e2\u79d1\u6280\u96fb\u5b50\u90f5\u4ef6\u4fe1\u8b7d\u8a55\u7b49\u670d\u52d9\u53ef\u5728\u6536\u5230\u96fb\u5b50\u90f5\u4ef6\u6642\u5075\u6e2c\u9019\u985e\u5a01\u8105\u6240\u4f7f\u7528\u7684\u5783\u573e\u90f5\u4ef6\u3002<\/p>\n<h2>\u4e8c.\u5f9e\u8a18\u61b6\u9ad4\u5167\u76f4\u63a5\u5c07\u60e1\u610f\u7a0b\u5f0f\u690d\u5165\u7cfb\u7d71<\/h2>\n<p>\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u7684\u540d\u7a31\u7531\u4f86\uff0c\u5c31\u662f\u56e0\u70ba\u5b83\u5011\u901a\u5e38\u662f\u76f4\u63a5\u5f9e\u8a18\u61b6\u9ad4\u5167\u8f09\u5165\u57f7\u884c\u3002\u5b83\u5011\u4e0d\u50cf\u5176\u4ed6\u60e1\u610f\u7a0b\u5f0f\u6703\u6709\u5beb\u5165\u786c\u789f\u7684\u52d5\u4f5c\uff0c\u56e0\u800c\u8b93\u9632\u6bd2\u8edf\u9ad4\u5f88\u96e3\u52a0\u4ee5\u5075\u6e2c\u3002\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u6703\u904b\u7528\u591a\u7a2e\u6280\u5de7\u5f9e\u8a18\u61b6\u9ad4\u5167\u57f7\u884c\u3002\u6700\u5e38\u898b\u7684\u662f\u76f4\u63a5<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/infosec-guide-web-injections\">\u5c07\u60e1\u610f\u7a0b\u5f0f\u78bc\u6ce8\u5165<\/a>\u67d0\u500b\u6b63\u5e38\u7684\u57f7\u884c\u7a0b\u5e8f\u4ee5\u8eb2\u907f\u5075\u6e2c\u3002\u6b64\u5916\uff0c\u4e5f\u6703\u5229\u7528\u4e00\u4e9b\u6b63\u5e38\u7684\u7cfb\u7d71\u7ba1\u7406\u5de5\u5177\u548c\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4ecb\u9762 (API)\uff0c\u5982\uff1aPowerShell\u3001PsExec \u8207 <a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57099\">Windows Management Instrumentation<\/a> &nbsp;(WMI) \u4f86\u5165\u4fb5\u6b63\u5e38\u57f7\u884c\u7a0b\u5e8f\u7684\u8a18\u61b6\u9ad4\u4e26\u53d6\u5f97\u5176\u6b0a\u9650\u3002<\/p>\n<p>\u50cf\u9019\u6a23\u7d93\u7531\u8a18\u61b6\u9ad4\u6f0f\u6d1e\u7684\u653b\u64ca\u6280\u5de7\uff0c\u6700\u5e38\u898b\u7684\u5c31\u662f\u6240\u8b02\u7684\u300cReflective DLL \u6ce8\u5165\u300d\u3002\u9019\u662f\u4e00\u7a2e\u5c07\u52d5\u614b\u9023\u7d50\u7a0b\u5f0f\u5eab (DLL) \u8f09\u5165\u67d0\u500b\u57f7\u884c\u7a0b\u5e8f\u7576\u4e2d\u7684\u6280\u5de7\uff0c\u5982\u6b64\u5c31\u4e0d\u7528\u5c07 DLL \u5beb\u5230\u78c1\u789f\u4e0a\u3002<\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/ms17-010-eternalblue\/\">EternalBlue<\/a> \u5c31\u662f\u4e00\u7a2e\u63a1\u7528\u8a18\u61b6\u9ad4\u6f0f\u6d1e\u7684\u653b\u64ca\u624b\u6cd5\u3002EternalBlue \u5229\u7528\u7684\u662f\u4e00\u500b Server Message Block 1 (SMB 1) \u901a\u8a0a\u5354\u5b9a\u7684\u6f0f\u6d1e\uff0c\u8a72\u6f0f\u6d1e\u53ef\u8b93\u99ed\u5ba2\u8b80\u53d6\u61c9\u7528\u7a0b\u5f0f\u3001\u5b58\u53d6\u7cfb\u7d71\u670d\u52d9\uff0c\u4ee5\u53ca\u5728\u7cfb\u7d71\u4e0a\u5beb\u5165\u6a94\u6848\u3002\u63a5\u8457\uff0c\u99ed\u5ba2\u5c31\u80fd\u5c07\u81ea\u5df1\u7684\u7a0b\u5f0f\u78bc\u6ce8\u5165\u672c\u6a5f\u7cfb\u7d71\u7684\u300clsass.exe\u300d(\u5b89\u5168\u8a8d\u8b49\u670d\u52d9) \u57f7\u884c\u7a0b\u5e8f\u7576\u4e2d\uff0c\u9019\u662f Windows \u7cfb\u7d71\u4e0a\u8ca0\u8cac\u7ba1\u7406\u4f7f\u7528\u8005\u7684\u6191\u8b49\u3001\u767b\u5165\u8207\u5b58\u53d6\u91d1\u9470\u7684\u91cd\u8981\u7cfb\u7d71\u57f7\u884c\u7a0b\u5e8f\u3002\u99ed\u5ba2\u53ef\u5229\u7528\u5b83\u7576\u8df3\u677f\u4f86\u767c\u52d5\u5176\u4ed6\u653b\u64ca\uff0c\u4f8b\u5982\u57f7\u884c Mimikatz \u9019\u985e\u7684\u6ef2\u900f\u6e2c\u8a66\u5de5\u5177\uff0c\u9032\u800c\u5f9e\u8a18\u61b6\u9ad4\u5167\u64f7\u53d6\u4f7f\u7528\u8005\u7684\u767b\u5165\u6191\u8b49\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/security-101-defending-against-fileless-malware-2.png\"><\/p>\n<p><em>\u5e7e\u7a2e\u4e0d\u540c\u7684\u8a18\u61b6\u9ad4\u6f0f\u6d1e\u653b\u64ca\u6280\u5de7\u3002<\/em><\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u4e5f\u6703\u5229\u7528\u4e00\u7a2e\u7a31\u70ba\u300c\u57f7\u884c\u7a0b\u5e8f\u638f\u7a7a\u300d(process hollowing) \u7684\u6280\u5de7\uff0c<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=50662\">SOREBRECT \u52d2\u7d22\u75c5\u6bd2&nbsp;<\/a>\u6b63\u662f\u4f7f\u7528\u9019\u9805\u6280\u5de7\u3002\u8a72\u75c5\u6bd2\u8ddf <a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/frequently-asked-questions-the-petya-ransomware-outbreak\">Petya\/NotPetya<\/a> \u4e00\u6a23\u6703\u5229\u7528 PsExec \u5de5\u5177\u4f86\u6ce8\u5c04\u5176\u7a0b\u5f0f\u78bc\uff0c\u6216\u8005\uff0c\u66f4\u7cbe\u78ba\u4e00\u9ede\u8aaa\uff0c\u6703\u5c07\u539f\u672c\u6b63\u5e38\u57f7\u884c\u7a0b\u5e8f\u7684\u7a0b\u5f0f\u78bc (\u4f8b\u5982 Windows \u7528\u4f86\u57f7\u884c\u7cfb\u7d71\u670d\u52d9\u7684 svchost.exe) \u638f\u7a7a\u4e26\u63db\u6210\u81ea\u5df1\u7684\u7a0b\u5f0f\u78bc\u4e4b\u5f8c\u518d\u8b93\u5b83\u7e7c\u7e8c\u57f7\u884c\u3002\u53e6\u5916\uff0c\u4e5f\u4e00\u4e9b\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u662f\u5f9e\u539f\u672c\u5df2\u7d93\u6709\u8cc7\u6599\u6216\u7a0b\u5f0f\u78bc\u7684\u7cfb\u7d71\u8a18\u61b6\u9ad4\u5167\u4f7f\u7528\u6216\u8f09\u5165\u5176\u60e1\u610f\u7a0b\u5f0f\u3002\u96d6\u7136\uff0c\u60e1\u610f\u7a0b\u5f0f\u9019\u6a23\u7684\u4f5c\u6cd5\u53ef\u8eb2\u907f\u50b3\u7d71\u9632\u6bd2\u8edf\u9ad4\u7684\u5075\u6e2c\uff0c\u4f46\u4e00\u65e6\u7cfb\u7d71\u91cd\u65b0\u958b\u6a5f\uff0c\u60e1\u610f\u7a0b\u5f0f\u5c31\u6703\u6d88\u5931\u3002<\/p>\n<p>\u76ee\u524d\u4e26\u7121\u767e\u5206\u4e4b\u767e\u5075\u6e2c\u53ca\u9632\u7bc4\u9019\u985e\u8a18\u61b6\u9ad4\u5f0f\u653b\u64ca\u7684\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u63a1\u7528\u7e31\u6df1\u9632\u79a6 (\u4e5f\u5c31\u662f\u591a\u5c64\u5f0f) \u7684\u9632\u8b77\u5c31\u986f\u5f97\u76f8\u7576\u91cd\u8981\u3002\u6b64\u5916\u4e5f\u61c9\u96a8\u6642\u4fdd\u6301\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5f0f<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57893\">\u66f4\u65b0<\/a>\u3001\u59a5\u5584\u4fdd\u8b77\u7cfb\u7d71\u7ba1\u7406\u5de5\u5177\uff0c\u4e26\u90e8\u7f72\u4e00\u4e9b\u984d\u5916\u7684\u9632\u8b77\u6280\u8853\uff0c\u5982\u884c\u70ba\u76e3\u63a7\u3001<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/security-technology\/how-can-advanced-sandboxing-techniques-thwart-elusive-malware\">\u6c99\u76d2\u6a21\u64ec\u5206\u6790<\/a>\u3001\u9632\u706b\u7246\u3001\u5165\u4fb5\u9632\u8b77\u7b49\u7b49\u3002<\/p>\n<p>\u66f4\u91cd\u8981\u7684\u662f\u4e3b\u52d5\u76e3\u63a7<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/user-protection\/sps\/endpoint.html\">\u7aef\u9ede\u88dd\u7f6e<\/a>\u548c<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/network\/advanced-threat-protection.html\">\u7db2\u8def<\/a>\u7684\u6d3b\u52d5\u3002\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u6216\u8a31\u4e0d\u50cf\u5176\u4ed6\u60e1\u610f\u7a0b\u5f0f\u90a3\u6a23\u5bb9\u6613\u5075\u6e2c\uff0c\u4f46\u5b83\u5011\u4ecd\u53ef\u80fd\u6703\u7559\u4e0b\u4e00\u4e9b IT \u53ca\u8cc7\u5b89\u4eba\u54e1\u53ef\u7279\u5225\u7559\u610f\u7684\u86db\u7d72\u99ac\u8de1\uff0c\u4f8b\u5982\u53ef\u7591\u7684\u7db2\u8def\u6d41\u91cf (\u5305\u62ec C&amp;C \u901a\u8a0a\u548c\u8cc7\u6599\u5916\u50b3\u6d41\u91cf)\u3002\u70ba\u6b64\uff0c<u> <a href=\"https:\/\/t.rend.tw\/?i=NDIwMw==\">\u8da8\u52e2\u79d1\u6280Deep Discovery \u9032\u968e\u7db2\u8def\u5b89\u5168\u9632\u8b77<\/a> <\/u>&#x2122; \u7684\u5ba2\u88fd\u5316\u6c99\u76d2\u6a21\u64ec\u5206\u6790\u6280\u8853\u53ef\u85c9\u7531\u8207 <a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/network\/advanced-threat-protection\/analyzer.html\">&nbsp;Deep Discovery Analyzer<\/a>\u3001<u><a href=\"https:\/\/t.rend.tw\/?i=Mzc4MQ\">\u8da8\u52e2\u79d1\u6280Deep Security<\/a><\/u>&#x2122; \u548c<a href=\"https:\/\/www.trendmicro.tw\/tw\/enterprise\/product-security\/officescan\/index.html\">\u8da8\u52e2\u79d1\u6280OfficeScan<\/a>&#x2122; \u6574\u5408\u4f86\u6514\u622a API \u547c\u53eb\u4e26\u6aa2\u67e5\u662f\u5426\u6709\u57f7\u884c\u60e1\u610f\u7a0b\u5f0f\u8eb2\u907f\u6280\u5de7\u6216\u60e1\u610f\u884c\u70ba\u7684\u5b57\u4e32\u3002<\/p>\n<h2>\u4e09.\u63a1\u7528\u8173\u672c\u4f86\u5b89\u88dd\u60e1\u610f\u7a0b\u5f0f<\/h2>\n<p>\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u9084\u53ef\u5c07\u5176\u7a0b\u5f0f\u78bc\u52a0\u5bc6\u7de8\u78bc\u3001\u7d44\u8b6f\u6216\u5167\u5d4c\u5728\u8173\u672c\u7576\u4e2d\uff0c\u4e0d\u5fc5\u5728\u78c1\u789f\u4e0a\u7522\u751f\u6a94\u6848\u3002\u5982\u6b64\u6b79\u5f92\u5c31\u80fd\u653b\u64ca\u76ee\u6a19\u4f5c\u696d\u7cfb\u7d71\u6216\u61c9\u7528\u7a0b\u5f0f\u800c\u4e0d\u88ab\u50b3\u7d71\u9632\u6bd2\u8edf\u9ad4\u5075\u6e2c\u3002\u4e0d\u50c5\u5982\u6b64\uff0c\u63a1\u7528\u8173\u672c\u7684\u653b\u64ca\u65b9\u5f0f\u4e5f\u975e\u5e38\u9748\u6d3b\uff0c\u56e0\u70ba\u9019\u4e9b\u8173\u672c\u5728\u57f7\u884c\u6642\u53ef\u7d93\u7531\u6a94\u6848\u7684\u5f62\u5f0f\u6216\u76f4\u63a5\u5305\u542b\u5728\u6307\u4ee4\u5217\u53c3\u6578\u5167\u3002\u9019\u6a23\u7684\u5f48\u6027\u53ef\u884d\u751f\u51fa\u66f4\u4e0d\u6613\u88ab\u5075\u6e2c\u7684\u653b\u64ca\u624b\u6cd5\u3002\u6bd4\u65b9\u8aaa\uff0c\u5c07\u8173\u672c\u7684\u555f\u52d5\u6d41\u7a0b\u62c6\u6210\u597d\u5e7e\u500b\u968e\u6bb5\u4e26\u5206\u6563\u5728\u4e0d\u540c\u7684\u7a0b\u5e8f\u7576\u4e2d\u57f7\u884c\u3002<\/p>\n<p>\u8173\u672c\u5f0f\u653b\u64ca\u6703\u4f7f\u7528\u50cf PowerShell \u9019\u985e\u5de5\u5177\u7684\u8173\u672c\u8a9e\u8a00\u4f86\u57f7\u884c\u5404\u7a2e\u7a0b\u5f0f\u78bc\u3002\u9084\u6709\u4e00\u4e9b\u60e1\u610f\u7684\u8173\u672c\u6703\u653b\u64ca\u61c9\u7528\u7a0b\u5f0f (\u5982 Microsoft Office) \u7684\u6f0f\u6d1e\u6216\u8a2d\u8a08\u7f3a\u9677\u3002\u8b6c\u5982\uff0c\u99ed\u5ba2\u53ef\u5f9e\u9060\u7aef\u57f7\u884c\u8a18\u61b6\u9ad4\u5167\u7684\u8173\u672c\u4f86\u8eb2\u907f\u7aef\u9ede\u9632\u8b77\u7522\u54c1\u7684\u5075\u6e2c\u3002\u8a31\u591a\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u5c31\u662f\u63a1\u7528\u9019\u6a23\u7684\u624b\u6cd5\uff0c\u5982\uff1a<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/kovter-an-evolving-malware-gone-fileless\">KOVTER<\/a>\u3001<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/look-js_powmet-completely-fileless-malware\/\">POWMET<\/a> \u548c <a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/new-fareit-strain-delivered-abusing-powershell\/\">FAREIT<\/a>\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/security-101-defending-against-fileless-malware-3.png\"><\/p>\n<p><em>\u63a1\u7528 PowerShell \u5de5\u5177\u7684\u8173\u672c\u5f0f\u653b\u64ca\u611f\u67d3\u904e\u7a0b\u3002<\/em><\/p>\n<p>\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u4e4b\u6240\u4ee5\u7279\u5225\u937e\u60c5\u65bc PowerShell\uff0c\u5c31\u5728\u65bc\u5b83\u65e2\u5f48\u6027\u53c8\u5bb9\u6613\u53d6\u5f97\u3002\u9019\u662f\u4e00\u500b\u8a31\u591a Windows \u7248\u672c\u90fd\u5167\u5efa\u7684\u529f\u80fd\uff0c\u66f4\u4f55\u6cc1\u5b83\u9084\u6709\u4e00\u500b\u652f\u63f4\u591a\u91cd\u5e73\u53f0\u7684\u958b\u653e\u539f\u59cb\u78bc\u7248\u672c (<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/proofs-of-concept-abusing-powershell-core-caveats-and-best-practices\/\">PowerShell Core<\/a>)\u3002\u6b64\u5916\uff0cPowerShell \u66f4\u5177\u5099\u547c\u53eb API \u7684\u80fd\u529b\uff0c\u56e0\u6b64\u4e0d\u4f46\u53ef\u57f7\u884c\u4e00\u4e9b\u91cd\u8981\u7684\u7cfb\u7d71\u8207\u61c9\u7528\u7a0b\u5f0f\u529f\u80fd\uff0c\u9084\u53ef\u4ee5\u57f7\u884c\u4f5c\u696d\u7cfb\u7d71\u7269\u4ef6\u3002\u800c\u4e14\u56e0\u70ba\u5b83\u672c\u8eab\u4e26\u7121\u78c1\u789f\u4e0a\u7684\u57f7\u884c\u6a94\uff0c\u56e0\u6b64\u6b79\u5f92\u53ef\u900f\u904e\u7121\u6a94\u6848\u7684\u65b9\u5f0f\u8b80\u53d6\u6216\u6d3e\u9001\u60e1\u610f\u7a0b\u5f0f\uff0c\u6216\u57f7\u884c\u5176\u5b83\u60e1\u610f\u6307\u4ee4\u3002<\/p>\n<p>\u8981\u9632\u7bc4\u8173\u672c\u5f0f\u653b\u64ca\uff0c\u4e00\u822c\u4f7f\u7528\u8005\u53ca\u4f01\u696d\u53ef\u5f37\u5236\u5be6\u65bd\u6700\u4f4e\u6388\u6b0a\u539f\u5247\uff0c\u76e1\u53ef\u80fd\u964d\u4f4e\u906d\u53d7\u8173\u672c\u5f0f\u653b\u64ca\u7684\u5371\u96aa\u3002\u540c\u6642\u61c9\u59a5\u5584\u7ba1\u5236\u3001<a href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/technet-magazine\/cc137728(v=msdn.10)\">\u52a0\u5f37\u7ba1\u7406<\/a>\u4e26&nbsp;<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/best-practices-securing-sysadmin-tools\">\u4fdd\u8b77\u7cfb\u7d71\u7ba1\u7406\u5de5\u5177<\/a>\u3002\u800c PowerShell \u672c\u8eab\u4e5f\u5167\u5efa<a href=\"https:\/\/technet.microsoft.com\/en-us\/gg261722.aspx\">\u5b89\u5168\u6a5f\u5236<\/a>\u4f86\u5354\u52a9\u4f7f\u7528\u8005\u9032\u4e00\u6b65\u5206\u6790\u7570\u5e38\u884c\u70ba\uff0c\u6b64\u5916\uff0c\u4e5f\u53ef\u8a2d\u5b9a\u5b83\u5075\u6e2c\u4e00\u4e9b\u60e1\u610f\u7a0b\u5f0f\u5e38\u7528\u7684\u53c3\u6578\u6216\u6307\u4ee4\u3002\u76e1\u53ef\u80fd\u505c\u7528\u6216\u522a\u9664\u904e\u6642\u4e14\u53ef\u80fd\u88ab\u99ed\u5ba2\u7528\u4f86\u5165\u4fb5\u7cfb\u7d71\u7684\u7b2c\u4e09\u65b9\u5916\u639b\u7a0b\u5f0f\u548c\u5143\u4ef6\u3002<\/p>\n<p>\u5efa\u7f6e\u4e00\u5957\u884c\u70ba\u76e3\u63a7\u6a5f\u5236\uff0c\u4e5f\u6709\u52a9\u65bc\u76e3\u63a7\u53ca\u6514\u622a\u60e1\u610f\u7a0b\u5f0f\u76f8\u95dc\u7684\u7570\u5e38\u884c\u70ba\u548c\u6d3b\u52d5\uff0c\u4f8b\u5982\u76e3\u63a7\u88ab\u633e\u6301\u7684\u57f7\u884c\u7a0b\u5e8f\u547c\u53eb\u300c\u547d\u4ee4\u63d0\u793a\u5b57\u5143\u300d\u8996\u7a97\u4f86\u57f7\u884c PowerShell \u8173\u672c\u3002\u8da8\u52e2\u79d1\u6280\u7684\u7aef\u9ede\u9632\u8b77\u7522\u54c1\uff0c\u5305\u62ec\uff1a<a href=\"https:\/\/t.rend.tw\/?i=Njc0MA\">PC-cillin 2019 \u96f2\u7aef\u7248<\/a>\u3001<a href=\"https:\/\/www.trendmicro.tw\/tw\/enterprise\/product-security\/officescan\/index.html\">\u8da8\u52e2\u79d1\u6280OfficeScan<\/a>\u53ca &nbsp;<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/small-business\/all-products-for-smb.html\">Worry-Free Business Security&nbsp;<\/a> \u5168\u90fd\u5167\u5efa\u884c\u70ba\u76e3\u63a7\u80fd\u529b\u4f86\u5075\u6e2c\u8173\u672c\u5f0f\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u3002\u4e0d\u50c5\u80fd\u5354\u52a9\u4f01\u696d\u767c\u6398\u60e1\u610f\u884c\u70ba\uff0c\u9084\u80fd\u52a0\u4ee5\u6514\u622a\uff0c\u4e0d\u8b93\u60e1\u610f\u7a0b\u5f0f\u5f97\u901e\u3002OfficeScan \u66f4\u5167\u542b<a href=\"https:\/\/success.trendmicro.com\/solution\/1056026\">\u88dd\u7f6e\u63a7\u7ba1<\/a>&nbsp;\u529f\u80fd\uff0c\u53ef\u907f\u514d\u6b79\u5f92\u4f7f\u7528\u53ef\u5378\u9664\u5f0f\u5a92\u9ad4 (\u5982 USB \u96a8\u8eab\u789f\u548c\u5149\u789f\u6a5f)\uff0c\u907f\u514d\u9019\u4e9b\u88dd\u7f6e\u6210\u70ba\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u7684\u5165\u4fb5&nbsp;<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=58182\">\u7ba1\u9053<\/a>&nbsp;\u3002<\/p>\n<h2>\u56db.\u5229\u7528 IT \u548c\u7cfb\u7d71\u7ba1\u7406\u5de5\u5177\u4f86\u5b89\u88dd\u60e1\u610f\u7a0b\u5f0f<\/h2>\n<p>\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u9084\u53ef\u80fd\u300c\u5c31\u5730\u53d6\u6750\u300d\u6216\u8005\u5229\u7528\u7cfb\u7d71\u5167\u5efa\u7684\u529f\u80fd\u548c\u7ba1\u7406\u5de5\u5177\u3002\u6700\u8fd1\u767c\u751f\u7684\u4e00\u500b\u771f\u5be6<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/malware-targeting-brazil-uses-legitimate-windows-components-wmi-and-certutil-as-part-of-its-routine\/\">\u6848\u4f8b<\/a>\u5c31\u662f\u99ed\u5ba2\u7d50\u5408 Windows Management Interface Command (WMIC) \u548c CertUtil \u5169\u500b\u6b63\u5e38\u7684\u7cfb\u7d71\u5de5\u5177\u4f86\u5b89\u88dd\u8cc7\u8a0a\u7aca\u53d6\u7a0b\u5f0f\u3002<\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u9084\u6709\u4e00\u4e9b\u4ee5\u7372\u5229\u6216\u5f9e\u4e8b\u9593\u8adc\u6d3b\u52d5\u70ba\u4e3b\u7684<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/supply-chain-attack-operation-red-signature-targets-south-korean-organizations\/\">\u653b\u64ca<\/a>\u6703\u5229\u7528 Microsoft Register Server (regsvr32) \u9019\u985e\u6307\u4ee4\u5217\u5de5\u5177\u4f86\u8f09\u5165\u4e26\u57f7\u884c\u60e1\u610f\u7a0b\u5f0f\u5eab (DLL)\uff0c\u6216\u4f7f\u7528\u7d93\u904e\u8b8a\u9020\u7684\u6ef2\u900f\u6e2c\u8a66\u5de5\u5177 (\u5982 <a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/cobalt-spam-runs-use-macros-cve-2017-8759-exploit\/\">Cobalt Strike<\/a>) \u4f86\u6ef2\u900f\u7cfb\u7d71\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/security-101-defending-against-fileless-malware-4.png\"><br \/>\n<em>&nbsp;<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/large-scale-ransomware-attack-progress-hits-europe-hard\/\">Petya\/NotPetya \u52d2\u7d22\u75c5\u6bd2<\/a>\u7684\u611f\u67d3\u904e\u7a0b\u4f7f\u7528\u4e86\u591a\u9805\u5de5\u5177\u4f86\u5c07\u53d7\u5bb3\u7cfb\u7d71\u7684\u6a94\u6848\u52a0\u5bc6\u4e26\u8986\u84cb\u78c1\u789f\u4e0a\u7684\u8cc7\u6599\u3002<\/em><\/p>\n<p>\u9019\u4e9b\u5de5\u5177\u70ba\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u63d0\u4f9b\u4e86\u4e00\u500b\u73fe\u6210\u7684\u8df3\u677f\uff0c\u4e0d\u9808\u4ef0\u8cf4\u7d93\u904e\u7d44\u8b6f\u7684\u57f7\u884c\u6a94\u3002\u800c\u4e14\u9084\u53ef\u5229\u7528\u9019\u4e9b\u5de5\u5177\u4f86\u53d6\u5f97\u60e1\u610f\u6a94\u6848\u3001\u4e0b\u8f09\u6216\u555f\u52d5\u5176\u4ed6\u60e1\u610f\u7a0b\u5f0f\u3001\u7aca\u53d6\u8cc7\u6599\u4e26\u5c07\u8cc7\u6599\u5916\u50b3\u3001\u9577\u671f\u6f5b\u4f0f\u5728\u7cfb\u7d71\u5167\u90e8\uff0c\u6216\u8005\u5728\u5167\u90e8\u7db2\u8def\u6a6b\u5411\u79fb\u52d5\u3002\u4e0d\u50c5\u5982\u6b64\uff0c\u7531\u65bc\u9019\u4e9b\u5a01\u8105\u5229\u7528\u7684\u90fd\u662f\u4e00\u4e9b\u6b63\u5e38\u7684\u7cfb\u7d71\u5de5\u5177\uff0c\u6240\u6709\u66f4\u96e3\u52a0\u4ee5\u5075\u6e2c\u3002&nbsp;<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=53855\">\u6b79\u5f92\u6700\u5e38\u5229\u7528\u7684\u5de5\u5177<\/a>\u5305\u62ec\uff1a\u6307\u4ee4\u5217\u4ecb\u9762 (PowerShell\u3001\u547d\u4ee4\u63d0\u793a\u5b57\u5143\u3001regsvr32\u3001rundll32\u3001WMIC\u3001Bitsadmin\u3001CertUtil \u53ca msiexec)\u3001\u9060\u7aef\u684c\u9762\uff0c\u4ee5\u53ca\u7b2c\u4e09\u65b9\u6ef2\u900f\u6e2c\u8a66\u5de5\u5177 (\u5982 Cobalt Strike \u548c Mimikatz)\u3002<\/p>\n<p>\u8a31\u591a\u61c9\u7528\u7a0b\u5f0f\u90fd\u6709\u4e00\u4e9b\u5167\u5efa\u7684\u6307\u4ee4\u5217\u5de5\u5177\u4f86\u5354\u52a9\u5b83\u5011\u66f4\u65b0\u7a0b\u5f0f\uff0c\u9019\u4e9b\u5de5\u5177\u7684\u958b\u767c\u4eba\u54e1\u61c9\u8a72\u5728\u8a2d\u8a08\u968e\u6bb5\u5373\u5c07\u5b89\u5168\u7d0d\u5165\u8003\u91cf\u3002\u5f37\u5236\u5be6\u65bd\u5b58\u53d6\u63a7\u7ba1\u653f\u7b56\uff0c\u4e26\u4e14\u5728\u5fc5\u8981\u6642\u624d\u555f\u7528\u9019\u4e9b\u5de5\u5177\u3002\u59a5\u5584\u4fdd\u8b77<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/vulnerabilities-and-exploits\/infosec-guide-remote-desktop-protocol-rdp\">\u9060\u7aef\u7ba1\u7406\u5de5\u5177<\/a>\u7684\u4f7f\u7528\uff0c\u4f01\u696d\u53ef\u5229\u7528<a href=\"https:\/\/www.trendmicro.com\/en_us\/business\/capabilities\/application-control-capability.html\">\u61c9\u7528\u7a0b\u5f0f\u63a7\u7ba1<\/a>\u9019\u985e\u6a5f\u5236\u4f86\u7ba1\u5236\u7cfb\u7d71\u53ea\u80fd\u57f7\u884c\u767d\u540d\u55ae\u4e0a\u7684\u61c9\u7528\u7a0b\u5f0f\u6216\u5de5\u5177\u3002\u81f3\u65bc\u90a3\u4e9b\u5229\u7528\u6b63\u5e38\u5de5\u5177\u7684\u5a01\u8105\uff0c\u5247\u53ef\u85c9\u7531\u884c\u70ba\u76e3\u63a7\u4f86\u9054\u5230\u904f\u6b62\u60e1\u610f\u7a0b\u5f0f\u76f8\u95dc\u6d3b\u52d5\u7684\u6548\u679c\u3002<\/p>\n<h2>\u4e94.\u5229\u7528\u7121\u6a94\u6848\u5f0f\u6280\u5de7\u9577\u671f\u8eb2\u85cf<\/h2>\n<p>\u60e1\u610f\u7a0b\u5f0f\u4e00\u65e6\u80fd\u5920\u99ed\u5165\u7aef\u9ede\u3001\u7db2\u8def\u6216\u4f3a\u670d\u5668\uff0c\u901a\u5e38\u90fd\u6703\u76e1\u53ef\u80fd\u9577\u671f\u8eb2\u85cf\u5728\u7cfb\u7d71\u5167\u90e8\uff0c\u5c31\u9023\u7cfb\u7d71\u91cd\u65b0\u958b\u6a5f\u4e5f\u4e0d\u6703\u6d88\u5931\u3002\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u6703\u904b\u7528\u5404\u7a2e\u7279\u6b8a\u6280\u5de7\u4f86\u5e38\u99d0\u7cfb\u7d71\u5167\u90e8\uff0c\u6700\u4e3b\u8981\u7684\u4f5c\u6cd5\u5c31\u662f\u5efa\u7acb\u4e00\u5957\u9084\u539f\u6a5f\u5236\u8b93\u60e1\u610f\u7a0b\u5f0f\u53ef\u4ee5\u91cd\u65b0\u555f\u52d5\u3002\u9019\u985e\u6280\u5de7\u540c\u6a23\u4e5f\u6703\u5229\u7528 Windows \u5167\u5efa\u7684\u5de5\u5177\u7a0b\u5f0f\u4f86\u9054\u6210\u76ee\u7684\u3002<\/p>\n<p>\u4e00\u7a2e\u5e38\u898b\u7684\u5e38\u99d0\u6a5f\u5236\u5c31\u662f\u5c07\u60e1\u610f\u7a0b\u5f0f\u78bc\u6216\u6a94\u6848\u5132\u5b58\u5728\u7cfb\u7d71\u767b\u9304\u7576\u4e2d\u3002Windows \u7684\u7cfb\u7d71\u767b\u9304 (Registry) \u539f\u672c\u662f\u7528\u4f86\u5132\u5b58\u7d44\u614b\u8a2d\u5b9a\u4ee5\u53ca\u61c9\u7528\u7a0b\u5f0f\u6a94\u6848\u95dc\u806f\u8cc7\u6599\u3002\u85c9\u7531\u5c07\u7a0b\u5f0f\u78bc\u5132\u5b58\u5728\u7cfb\u7d71\u767b\u9304\u7576\u4e2d\uff0c\u60e1\u610f\u7a0b\u5f0f\u5c31\u80fd\u5728\u7cfb\u7d71\u91cd\u65b0\u958b\u6a5f\u6642\u81ea\u52d5\u9084\u539f\u4e26\u57f7\u884c\u5176\u7a0b\u5f0f\u78bc\uff0c\u6216\u8005\u5728\u67d0\u4e9b\u6a94\u6848 (\u5982\u6377\u5f91) \u88ab\u9ede\u9078\u6642\u57f7\u884c\u5176\u7a0b\u5f0f\u78bc\u3002\u4e00\u500b\u5be6\u969b\u7684\u4f8b\u5b50\u5c31\u662f\u7121\u6a94\u6848\u7248\u672c\u7684\u9ede\u95b1\u8a50\u9a19\u60e1\u610f\u7a0b\u5f0f\uff1a&nbsp;<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/kovter-an-evolving-malware-gone-fileless\">KOVTER<\/a>\u3002\u5b83\u5229\u7528\u7cfb\u7d71\u767b\u9304\u4f86\u5132\u5b58\u60e1\u610f\u7a0b\u5f0f\u78bc\uff0c\u7136\u5f8c\u518d\u5229\u7528 PowerShell \u4f86\u5c07\u9019\u4e9b\u7a0b\u5f0f\u78bc\u89e3\u958b\u4e26\u6ce8\u5165\u67d0\u500b\u57f7\u884c\u4e2d\u7684\u6b63\u5e38\u57f7\u884c\u7a0b\u5e8f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/security-101-defending-against-fileless-malware-5.png\"><br \/>\n<em>\u4f7f\u7528 PowerShell \u548c WMI \u7684\u7121\u6a94\u6848\u5f0f\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u611f\u67d3\u904e\u7a0b\u3002<\/em><\/p>\n<p>\u53e6\u4e00\u9805\u9577\u671f\u8eb2\u85cf\u6280\u5de7\u662f\u900f\u904e Windows \u5de5\u4f5c\u6392\u7a0b\u5668\uff0c\u6b64\u5de5\u5177\u53ef\u8b93\u7a0b\u5f0f\u548c\u8173\u672c\u5728\u9810\u5b9a\u7684\u6642\u9593\u555f\u52d5\u3002\u5c0d\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u653b\u64ca\u4f86\u8aaa\uff0c\u5b83\u5011\u6703\u5efa\u7acb\u6392\u7a0b\u5de5\u4f5c\u4f86\u57f7\u884c\u5176\u7a0b\u5f0f\u3002\u5176\u4ed6\u985e\u578b\u7684\u60e1\u610f\u7a0b\u5f0f\u4e5f\u6703\u904b\u7528\u9019\u9805\u6280\u5de7\uff0c\u4f8b\u5982\u67d0\u4e9b<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/lurk-retracing-five-year-campaign\/\">\u8cc7\u8a0a\u7aca\u76dc\u6728\u99ac\u7a0b\u5f0f<\/a>\u8207<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/angler-exploit-kit-used-to-find-and-infect-pos-systems\/\">\u92b7\u552e\u6ac3\u53f0\u7cfb\u7d71 (POS) \u60e1\u610f\u7a0b\u5f0f<\/a>&nbsp;\uff0c\u76ee\u7684\u662f\u70ba\u4e86<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/security-technology\/how-can-advanced-sandboxing-techniques-thwart-elusive-malware\">\u8eb2\u907f\u50b3\u7d71\u6c99\u76d2\u6a21\u64ec\u5206\u6790<\/a>\u7684\u5075\u6e2c\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u99ed\u5ba2\u9084\u80fd\u8a2d\u5b9a\u4e00\u4e9b\u91cd\u8907\u57f7\u884c\u7684\u5de5\u4f5c\u4e26\u642d\u914d\u4e00\u4e9b\u7cfb\u7d71\u767b\u9304\u6a5f\u78bc\u4f86\u81ea\u52d5\u91cd\u8907\u611f\u67d3\u7cfb\u7d71\u3002<\/p>\n<p>\u6700\u8fd1\uff0c\u99ed\u5ba2\u4e5f\u958b\u59cb\u5229\u7528 Windows \u7684 WMI \u7ba1\u7406\u4ecb\u9762\u4f86\u5e38\u99d0\u7cfb\u7d71\u3002WMI \u539f\u672c\u662f\u8a2d\u8a08\u7528\u4f86\u7ba1\u7406\u9023\u7db2\u7684\u88dd\u7f6e\u548c\u7cfb\u7d71\u3002\u4f46\u5230\u4e86\u7db2\u8def\u72af\u7f6a\u96c6\u5718\u624b\u4e2d\uff0c\u5c31\u8b8a\u6210\u4e86\u99ed\u5ba2\u6a6b\u5411\u79fb\u52d5\u3001\u57f7\u884c\u7a0b\u5f0f\u8207\u9577\u671f\u8eb2\u85cf\u7684\u5de5\u5177\u3002\u901a\u5e38\uff0c\u7121\u6a94\u6848\u5f0f\u5a01\u8105\u6703\u4f7f\u7528 WMI \u5b58\u653e\u5eab (Repository) \u4f86\u5132\u5b58\u60e1\u610f\u8173\u672c\uff0c\u63a5\u8457\u518d\u5229\u7528 WMI \u672c\u8eab\u7684\u4e00\u4e9b\u529f\u80fd\u4f86\u547c\u53eb\u9019\u4e9b\u8173\u672c\uff0c\u4f8b\u5982\uff1aWmiPrvSE (WMI Provider Host\/Service) \u53ef\u63d0\u4f9b\u7ba1\u7406\u8cc7\u8a0a\uff1bScrcons (WMI Standard Event Consumer) \u5de5\u5177\u7a0b\u5f0f\u53ef\u57f7\u884c WMI \u8173\u672c\uff1bWmic (WMI Command Line) \u6307\u4ee4\u5217\u5de5\u5177\u53ef\u5141\u8a31\u7269\u4ef6\u547c\u53eb WMI\u3002\u9084\u6709\u67d0\u4e9b&nbsp;<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/cryptocurrency-mining-malware-2018-new-menace\/\">\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f<\/a>\u7684<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57099\">\u8b8a\u7a2e<\/a>\u4e5f\u6703\u900f\u904e WMI \u4f86\u9577\u671f\u8eb2\u85cf\u65bc\u7cfb\u7d71\u5167\u3002<\/p>\n<p>\u4e3b\u52d5\u76e3\u63a7\u7aef\u9ede\u53ca\u5176\u9023\u63a5\u7684\u7db2\u8def\u53ef\u6709\u52a9\u65bc\u6e1b\u5c11\u9032\u4e00\u6b65\u7684\u653b\u64ca\u6216\u91cd\u8907\u611f\u67d3\u3002\u4f8b\u5982\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u6216 IT \u53ca\u8cc7\u5b89\u5718\u968a\u53ef\u5229\u7528 Microsoft \u7684\u300c<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/autoruns\">Autoruns<\/a>\u300d\u5de5\u5177\u4f86\u6aa2\u67e5\u7cfb\u7d71\u767b\u9304\u7576\u4e2d\u662f\u5426\u6709\u60e1\u610f\u7684\u6a5f\u78bc\u3002\u6b64\u5916\u4e5f\u53ef\u5229\u7528 <a href=\"https:\/\/www.blackhat.com\/docs\/us-15\/materials\/us-15-Graeber-Abusing-Windows-Management-Instrumentation-WMI-To-Build-A-Persistent%20Asynchronous-And-Fileless-Backdoor-wp.pdf\">WMI \u672c\u8eab\u7684\u529f\u80fd<\/a> (\u5c24\u5176\u662f WMI \u4e8b\u4ef6\u67e5\u8a62\u529f\u80fd) &nbsp;&nbsp;\u4f86\u5075\u6e2c\u5b83\u662f\u5426\u906d\u5230\u5229\u7528\u4e26\u52a0\u4ee5\u963b\u6b62\u3002PowerShell \u672c\u8eab\u4e5f\u6709\u985e\u4f3c\u7684&nbsp;<a href=\"https:\/\/blogs.msdn.microsoft.com\/daviddasneves\/2017\/05\/25\/powershell-security-at-enterprise-customers\/\">\u529f\u80fd<\/a>\u53ef\u4ee5\u5f37\u5316\u7cfb\u7d71\u5b89\u5168\u6216\u5075\u6e2c\u60e1\u610f\u7a0b\u5f0f\u7684\u76f8\u95dc\u6d3b\u52d5\u3002<\/p>\n<p>\u8da8\u52e2\u79d1\u6280\u7684 <u><a href=\"https:\/\/www.trendmicro.tw\/tw\/business\/complete-software-protection\/index.html\">\u8da8\u52e2\u79d1\u6280 Smart Protection Suites<\/a><\/u>\u4e5f\u53ef\u63d0\u4f9b\u9ad8\u6e96\u5ea6\u6a5f\u5668\u5b78\u7fd2\u3001\u7db2\u7ad9\u4fe1\u8b7d\u8a55\u7b49\u3001\u884c\u70ba\u76e3\u63a7\u3001\u61c9\u7528\u7a0b\u5f0f\u63a7\u7ba1\u7b49\u529f\u80fd\uff0c\u4f86\u6709\u6548\u964d\u4f4e\u9019\u985e\u6301\u7e8c\u6027\u7121\u6a94\u6848\u5f0f\u653b\u64ca\u7684\u5a01\u8105\u3002\u4f8b\u5982\uff0c<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/user-protection\/sps\/endpoint\/endpoint-sensor.html\">\u8da8\u52e2\u79d1\u6280 Endpoint Sensor <\/a>\u53ef\u76e3\u63a7 WMI \u7684\u76f8\u95dc\u4e8b\u4ef6\uff0c\u6709\u52a9\u65bc\u8fc5\u901f\u67e5\u770b\u54ea\u4e9b\u57f7\u884c\u7a0b\u5e8f\u6216\u4e8b\u4ef6\u6b63\u5728\u89f8\u767c\u60e1\u610f\u6d3b\u52d5\u3002<\/p>\n<p>\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/security-technology\/security-101-defending-against-fileless-malware#documentexploits\">Security 101: Defending Against Fileless Malware<\/a> \u4f5c\u8005\uff1aSimon Floreza\u3001Donald Castillo \u53ca Mark Manahan (\u5a01\u8105\u5206\u6790\u5e2b)<\/p>\n<p>\u229a<strong>\u5ef6\u4f38\u95b1\u8b80<\/strong><\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57099\">\u7121\u6a94\u6848\u5f0f\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u51fa\u73fe\u65b0\u6280\u5de7\uff0c\u4e26\u5df2\u767c\u73fe\u8b8a\u7a2e<\/a><br \/>\n<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=54852\">\u865b\u64ec\u8ca8\u5e63\u5168\u7403\u6dd8\u91d1\u6f6e, 2017\u5e74\u6316\u7926\u60e1\u610f\u7a0b\u5f0f, \u53f0\u7063\u6392\u5168\u7403\u7b2c\u4e09<\/a><\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=50662\">\u76ee\u6a19\u5f0f\u52d2\u7d22:\u52d2\u7d22\u75c5\u6bd2\u63a1 APT \u653b\u64ca\u624b\u6cd5\u518d\u9032\u5316 , \u67d0\u4f01\u696d\u8d85\u904e\u4e00\u767e\u53f0\u4f3a\u670d\u5668\u88ab SOREBRECT \u52a0\u5bc6<\/a><\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57893\">\u865b\u64ec\u4fee\u88dc\uff1a\u5728\u6f0f\u6d1e\u906d\u53d7\u653b\u64ca\u524d\u52a0\u4ee5\u4fee\u88dc<\/a><\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=58182\">\u3010\u8cc7\u5b89 \u3011AutoIt \u8815\u87f2\u900f\u904e\u53ef\u79fb\u9664\u78c1\u789f,\u6563\u64ad\u7121\u6a94\u6848\u5f8c\u9580\u7a0b\u5f0fBLADABINDI\/njRAT<\/a><\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=49025\">Locky \u52d2\u7d22\u75c5\u6bd2\u7b49\u60e1\u610f\u7a0b\u5f0f,\u5982\u4f55\u53cd\u5236\u50b3\u7d71\u7684\u6c99\u76d2\u6a21\u64ec\u5206\u6790?<\/a><\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57099\">\u7121\u6a94\u6848\u5f0f\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u51fa\u73fe\u65b0\u6280\u5de7\uff0c\u4e26\u5df2\u767c\u73fe\u8b8a\u7a2e<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7121\u6a94\u6848\u60e1\u610f\u7a0b\u5f0f\u65e9\u5df2\u4e0d\u662f\u4ec0\u9ebc\u65b0\u805e\uff0c\u4f46\u76ee\u524d\u537b\u6709&nbsp;\u65e5\u76ca\u589e\u52a0\u7684\u8da8\u52e2\u3002\u4e8b\u5be6\u4e0a\uff0c\u6839\u64da\u5831\u5c0e\uff0c\u5728\u91dd\u5c0d\u4f01\u696d\u7684\u653b\u64ca\u5f97\u901e\u6848 [&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":[12,1268,3347],"tags":[3444,2344,4168,1283],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/58512"}],"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=58512"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/58512\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}