{"id":50380,"date":"2017-07-04T09:00:54","date_gmt":"2017-07-04T01:00:54","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=50380"},"modified":"2017-06-29T18:46:44","modified_gmt":"2017-06-29T10:46:44","slug":"%e6%bf%ab%e7%94%a8-powershell-%e7%9a%84%e7%84%a1%e6%aa%94%e6%a1%88%e7%97%85%e6%af%92%e8%88%88%e8%b5%b7","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=50380","title":{"rendered":"\u6feb\u7528 PowerShell \u7684\u7121\u6a94\u6848\u75c5\u6bd2\u8208\u8d77"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/fileless-malware-powershell.jpg\" width=\"700\" height=\"479\" \/><\/p>\n<p>\u7db2\u8def\u72af\u7f6a\u5206\u5b50\u8d8a\u4f86\u8d8a\u5e38\u5229\u7528\u7cfb\u7d71\u5167\u5efa\u5de5\u5177\u6216\u670d\u52d9\u4f86\u6563\u64ad\u60e1\u610f\u8edf\u9ad4,\u539f\u56e0\u662f\u65b9\u4fbf\u3001\u6709\u6548\u548c\u96b1\u853d\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5229\u7528\u9019\u4e9b\u5408\u6cd5\u5de5\u5177\u53ef\u4ee5\u8b93\u5a01\u8105\u6d3b\u52d5\u6df7\u5728\u6b63\u5e38\u7684\u7db2\u8def\u6d41\u91cf\u6216IT\/\u7cfb\u7d71\u7ba1\u7406\u5de5\u4f5c\u5167,\u4e5f\u8b93\u9019\u4e9b\u60e1\u610f\u5a01\u8105\u80fd\u5920\u7559\u4e0b\u8f03\u5c11\u7684\u75d5\u8de1\uff0c\u4f7f\u5f97\u5075\u6e2c\u66f4\u52a0\u56f0\u96e3\u3002\u7121\u6a94\u6848\u75c5\u6bd2\u5c31\u662f\u5176\u4e2d\u4e00\u500b\u4f8b\u5b50\u3002<\/p>\n<p>\u7121\u6a94\u6848\u75c5\u6bd2\u610f\u5473\u8457\u6c92\u6709\u6a94\u6848\u88ab\u5beb\u5165\u6216\u4e0b\u8f09\u81f3\u53d7\u611f\u67d3\u6a5f\u5668\u7684\u672c\u5730\u78c1\u789f\u57f7\u884c\u3002\u76f8\u5c0d\u5730\uff0c\u5b83\u5011\u6703\u5728\u7cfb\u7d71\u7684\u8a18\u61b6\u9ad4\u5167\u57f7\u884c\uff0c\u6216\u99d0\u7559\u5728\u7cfb\u7d71\u8a3b\u518a\u8868\u5167\u4ee5\u53d6\u5f97\u6301\u4e45\u6027\u3002\u5728\u5178\u578b\u7684\u7121\u6a94\u6848\u75c5\u6bd2\u611f\u67d3\u4e2d\uff0c\u6709\u6548\u8f09\u8377\u53ef\u4ee5\u88ab\u6ce8\u5165\u73fe\u6709\u61c9\u7528\u7a0b\u5f0f\/\u8edf\u9ad4\u7684\u8a18\u61b6\u9ad4\u5167\uff0c\u6216\u900f\u904e\u767d\u540d\u55ae\u5167\u7684\u61c9\u7528\u7a0b\u5f0f\uff08\u5982PowerShell\uff09\u4f86\u57f7\u884c\u8173\u672c\u3002<\/p>\n<p>\u5373\u4fbf\u5b83\u5011\u4e0d\u662f\u57fa\u65bc\u6a94\u6848\uff08\u6216\u53ef\u57f7\u884c\u6a94\uff09\u7684\u5a01\u8105\uff0c\u6211\u5011\u77e5\u9053\u5b83\u5011\u78ba\u5be6\u5728\u5916\u6d3b\u52d5\u8457\uff0c\u56e0\u70ba\u6b64\u985e\u6280\u8853\u5df2\u7d93\u5e38\u5730\u88ab\u4f7f\u7528\u5728<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=14753\">\u91dd\u5c0d\u6027\u653b\u64ca\/\u9396\u5b9a\u76ee\u6a19\u653b\u64ca(Targeted attack )<\/a>\u4e2d\u3002\u7121\u6a94\u6848\u75c5\u6bd2\u6700\u53ef\u88ab\u5bdf\u89ba\u7684\u662f\u7db2\u8def\u8e64\u8de1\uff0c\u50cf\u662f\u547d\u4ee4\u8207\u63a7\u5236\uff08C&amp;C\uff09\u9023\u7dda\uff0c\u548c\u5176\u4ed6\u7559\u5728\u4e2d\u6bd2\u7cfb\u7d71\u5167\u7684\u60e1\u610f\u7a0b\u5f0f\u78bc\u3002\u4e0d\u5e78\u7684\u662f\u7121\u6a94\u6848\u75c5\u6bd2\u4e5f\u53ef\u4ee5\u5728\u516c\u958b\u7684\u5c08\u6848\u8a08\u756b\u4e2d\u53d6\u5230\uff0c\u751a\u81f3\u5728\u7db2\u8def\u5730\u4e0b\u5e02\u5834\u4f5c\u70ba\u7522\u54c1\uff08\u6216\u670d\u52d9\uff09\u63d0\u4f9b\u3002\u7121\u6a94\u6848\u75c5\u6bd2\u4e5f\u662f\u5982Angler\u7b49\u6f0f\u6d1e\u653b\u64ca\u7684\u4e3b\u8981\u529f\u80fd\u4e4b\u4e00\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=43471\">\u7db2\u8def\u72af\u7f6a\u96c6\u5718Lurk\u5229\u7528\u81ea\u5df1\u6240\u958b\u767c\u7684\u6f0f\u6d1e\u653b\u64ca\u5957\u4ef6\u4f86\u900f\u904e\u7121\u6a94\u6848\u75c5\u6bd2\u5f9e\u91d1\u878d\u6a5f\u69cb\u7aca\u53d6\u8d85\u904e4,500\u842c\u7f8e\u5143<\/a>\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>[<\/strong><strong>\u5ef6\u4f38\u95b1\u8b80\uff1a<\/strong><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=49830\">\u7121\u6a94\u6848\u52d2\u7d22\u75c5\u6bd2\u6280\u8853\u5168\u8c8c \u2013 UIWIX<\/a><strong>]<\/strong><\/p>\n<p>\u60e1\u610fPowerShell\u8173\u672c\u662f\u8a31\u591a\u7121\u6a94\u6848\u75c5\u6bd2\u7684\u95dc\u9375\u8981\u7d20\u3002Windows PowerShell\u662f\u5167\u5efa\u57fa\u65bc.NET\u6846\u67b6\u7684\u547d\u4ee4\u5217Shell\uff0c\u63d0\u4f9b\u4f7f\u7528\u8005\u5b58\u53d6\u4f5c\u696d\u7cfb\u7d71\uff08OS\uff09\u670d\u52d9\u7684\u4ecb\u9762\uff0c\u4e5f\u662f\u80fd\u5920\u5efa\u7acb\u8173\u672c\u7684\u7a0b\u5f0f\u8a9e\u8a00\u3002PowerShell\u4e3b\u8981\u7528\u4f86\u81ea\u52d5\u5316\u7cfb\u7d71\u7ba1\u7406\u5de5\u4f5c\uff0c\u50cf\u662f\u6aa2\u8996\u7cfb\u7d71\u5167\u6240\u6709\u7684USB\u8a2d\u5099\u3001\u78c1\u789f\u548c\u670d\u52d9\uff0c\u6392\u7a0b\u5de5\u4f5c\u4e26\u5728\u80cc\u666f\u57f7\u884c\uff0c\u6216\u662f\u7d42\u6b62\u7a0b\u5e8f\uff08\u5c31\u50cf\u662f\u5de5\u4f5c\u7ba1\u7406\u54e1\uff09\u3002PowerShell\u4e5f\u53ef\u4ee5\u8b93\u7ba1\u7406\u54e1\u7121\u7e2b\u7ba1\u7406\u7cfb\u7d71\u548c\u4f3a\u670d\u5668\u53ca\u8edf\u9ad4\u6216\u670d\u52d9\u6240\u904b\u884c\u74b0\u5883\u7684\u8a2d\u5b9a\u3002<!--more--><\/p>\n<p>\u4f46\u5c31\u8ddf\u6240\u6709\u6709\u7528\u7684\u5de5\u5177\u4e00\u6a23\uff0cPowerShell\u7684\u80fd\u529b\u4e5f\u5f15\u8d77\u7db2\u8def\u72af\u7f6a\u5206\u5b50\u7684\u6ce8\u610f\u3002\u6211\u5011\u5df2\u7d93\u770b\u5230PowerShell\u5982\u4f55\u5730\u88ab\u6feb\u7528 \u2013 \u5f9e2014\u5e74\u51fa\u73fe\u7684<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/poweliks-malware-hides-in-windows-registry\/\">Poweliks\u6728\u99ac\u4e0b\u8f09\u7a0b\u5f0f<\/a>\uff0c<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/new-fareit-strain-delivered-abusing-powershell\/\">\u8cc7\u6599\u7aca\u53d6\u7a0b\u5f0fFAREIT<\/a>\u548c<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/banking-malware-vawtrak-now-uses-malicious-macros-abuses-windows-powershell\/\">\u9280\u884c\u60e1\u610f\u8edf\u9ad4VAWTRAK<\/a>\u5230\u52d2\u7d22\u75c5\u6bd2\u5bb6\u65cf\u5982<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/tax-day-extortion-powerware-crypto-ransomware-targets-tax-files\/\">PowerWare<\/a>\u548c<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/cerber-ransomware-evolution\/\">CERBER\u7b2c6\u7248<\/a>\u3002\u8a31\u591a\u7121\u6a94\u6848\u75c5\u6bd2\u6703\u5167\u5d4c\u60e1\u610fPowerShell\u8173\u672c\uff0c\u901a\u5e38\u7528\u4f86\u4e0b\u8f09\u548c\u555f\u52d5\u6216\u57f7\u884c\u6709\u6548\u8f09\u8377\u3002<\/p>\n<p>[<strong>\u5ef6\u4f38\u95b1\u8b80\uff1a<\/strong><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=43471\">\u6d17\u52ab\u91d1\u878d\u6a5f\u69cb\u8d85\u904e4500\u842c\u7f8e\u5143,\u7b2c\u4e00\u6279\u904b\u7528\u7121\u6a94\u6848\u611f\u67d3\u6280\u8853\u7684\u7db2\u8def\u72af\u7f6a\u96c6\u5718:Lurk<\/a>]<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u70ba\u4ec0\u9ebc\u653b\u64ca\u8005\u8981\u4f7f\u7528PowerShell<\/strong><strong>\uff1f<\/strong><\/p>\n<p>PowerShell\u88ab\u60e1\u610f\u4f7f\u7528\u4e5f\u7a81\u986f\u4e86\u7cfb\u7d71\u66b4\u9732\u5728\u8a31\u591a\u7684\u98a8\u96aa\u4e0a\uff0c\u5982\u52d2\u7d22\u75c5\u6bd2\u3001\u7121\u6a94\u6848\u75c5\u6bd2\u548c\u60e1\u610f\u7a0b\u5f0f\u78bc\u8a18\u61b6\u9ad4\u6ce8\u5165\u3002\u56e0\u70ba\u4ee5\u4e0b\u56e0\u7d20\u800c\u8b8a\u5f97\u66f4\u52a0\u56b4\u91cd\uff1a<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u898f\u6a21\u548c\u7bc4\u570d\u3002PowerShell\u662fWindows\u4f5c\u696d\u7cfb\u7d71\u5167\u5efa\u7684\u529f\u80fd\uff0c\u5b58\u5728\u65bcWindows XP\u53ca\u5f8c\u7e8c\u7248\u672c\u5167\u3002\u53bb\u5e74\u5b83\u9084\u6210\u70ba\u4e86<a href=\"https:\/\/azure.microsoft.com\/en-us\/blog\/powershell-is-open-sourced-and-is-available-on-linux\/\">\u958b\u653e\u539f\u59cb\u78bc\u3001\u8de8\u5e73\u53f0\u7684\u6846\u67b6<\/a>\uff0c\u53ef\u4ee5\u5728Linux\u4e0a\u904b\u884c\u3002<\/li>\n<li>\u5408\u6cd5\u5de5\u5177\u3002PowerShell\u4e26\u975e\u662f\u60e1\u610f\u8edf\u9ad4\uff0c\u4e8b\u5be6\u4e0a\u9019\u662f\u4e00\u500b\u5408\u6cd5\u5de5\u5177\u3002\u5b83\u88ab\u60e1\u610f\u4f7f\u7528\u53ef\u80fd\u6703\u6a21\u7cca\u60e1\u610f\u99ed\u5ba2\u5165\u4fb5\u6216\u7cfb\u7d71\u611f\u67d3\u8207\u4e00\u822cIT\/\u7cfb\u7d71\u7ba1\u7406\u5de5\u4f5c\u9593\u7684\u754c\u7dda\u3002<\/li>\n<li>\u6613\u7528\u6027\u3002PowerShell\u8173\u672c\u5c0d\u8a31\u591aIT\/\u7cfb\u7d71\u7ba1\u7406\u54e1\u3001\u8cc7\u5b89\u5c08\u5bb6\u3001\u6ef2\u900f\u6e2c\u8a66\u4eba\u54e1\u548c\u9ed1\u5e3d\u99ed\u5ba2\u4f86\u8aaa\u6bd4\u8f03\u5bb9\u6613\u7de8\u5beb\u548c\u57f7\u884c\uff08\u8207\u5b78\u7fd2\uff09\u3002<\/li>\n<li>\u4fbf\u5229\u6027\u3002PowerShell\u8173\u672c\u4e0d\u53ea\u662f\u64b0\u5beb\u5bb9\u6613\uff1bPowerShell\u7684\u9748\u6d3b\u6027\u52a0\u4e0a\u53ef\u4f9b\u4f7f\u7528\u7684\u7b2c\u4e09\u65b9\u6a21\u7d44\u8b93\u5b83\u76f8\u5c0d\u5bb9\u6613\u52a0\u4ee5\u6df7\u6dc6\u8655\u7406\u3002<\/li>\n<li>\u80fd\u529b\u3002PowerShell\u53ef\u4ee5\u5b58\u53d6\u76f8\u7576\u591a\u7684\u61c9\u7528\u7a0b\u5f0f\u4ecb\u9762\uff08API\uff09\u4f86\u57f7\u884c\u91cd\u8981\u529f\u80fd\uff0c\u5982<a href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/aa366887(v=vs.85).aspx\">VirtualAlloc<\/a>\u3001<a href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/aa366898(v=vs.85).aspx\">VirtualProtect<\/a>\u548c<a href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/ms682453(v=vs.85).aspx\">CreateThread<\/a>\uff0c\u9019\u4e9b\u90fd\u53ef\u4ee5\u88ab\u653b\u64ca\u8005\u4f5c\u70ba\u60e1\u610f\u7528\u9014\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>PowerShell\u5728\u9810\u8a2d\u60c5\u6cc1\u4e0b\u6703<a href=\"https:\/\/technet.microsoft.com\/en-us\/library\/hh847748.aspx\">\u53d7\u5230\u9650\u5236<\/a>\uff0c\u4ee5\u6e1b\u5c11\u88ab\u6feb\u7528\u7684\u6a5f\u6703\u3002\u6bd4\u65b9\u8aaa\u53ef\u4ee5\u57f7\u884c\u5177\u9ad4PowerShell\u6307\u4ee4\u537b\u7121\u6cd5\u57f7\u884c\u8173\u672c\u6a94\u6848\u3002\u4f46\u770b\u4f3c\u4e4e\u7121\u6cd5\u963b\u6b62\u99ed\u5ba2\u3002\u6211\u5011\u5df2\u7d93\u770b\u5230\u8a31\u591aPowerShell\u8173\u672c\u60e1\u610f\u8edf\u9ad4\u6703\u5229\u7528\u4e00\u4e9b\u6280\u8853\u4f86\u7e5e\u904ePowerShell\u7684\u9810\u8a2d\u57f7\u884c\u653f\u7b56\uff0c\u50cf\u662f\u5c07\u60e1\u610f\u7a0b\u5f0f\u78bc\u4f5c\u70ba\u6307\u4ee4\u53c3\u6578\u57f7\u884c\u3002<\/p>\n<p>https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/fileless-malware-powershell-1.png<\/p>\n<p><em>\u7121\u6a94\u6848\u75c5\u6bd2\u653b\u64ca\u7684\u5178\u578b\u611f\u67d3\u93c8<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><strong>[<\/strong><strong>\u5ef6\u4f38\u95b1\u8b80\uff1a<\/strong><a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/rising-trend-attackers-using-lnk-files-download-malware\/\">\u76ee\u524d\u7684\u8da8\u52e2\uff1a\u4f7f\u7528\u6377\u5f91\uff08LNK\uff09\u6a94\u6848\u4f86\u57f7\u884c\u60e1\u610fPowerShell\u8173\u672c<\/a><strong>]<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u6feb\u7528PowerShell<\/strong><strong>\u7684\u7121\u6a94\u6848\u75c5\u6bd2\u6b63\u5728\u589e\u52a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>\u7121\u6a94\u6848\u75c5\u6bd2\u3001PowerShell\u8173\u672c\u60e1\u610f\u8edf\u9ad4\u8b8a\u5f97\u6709\u591a\u5e38\u898b\uff1f\u5f9e2017\u5e741\u6708\u52302\u6708\uff0c\u8da8\u52e2\u79d1\u6280\u767c\u73fe\u8d85\u904e78,600\u8d77\u60e1\u610f\u5783\u573e\u90f5\u4ef6\u6216\u900f\u904e\u5783\u573e\u90f5\u4ef6\u6563\u64ad\u7684\u60e1\u610f\u8edf\u9ad4\uff08\u5075\u6e2c\u70baW2KM_POWMET\u548cPOWLOAD\uff09\u3002\u9019\u5169\u8005\u90fd\u662f\u5de8\u96c6\u60e1\u610f\u4e0b\u8f09\u7a0b\u5f0f\uff0c\u5229\u7528\u60e1\u610fPowerShell\u8173\u672c\u5c07\u6709\u6548\u8f09\u8377\u9001\u5165\u4e2d\u6bd2\u7cfb\u7d71\u3002\u57282017\u5e74\u7b2c\u4e00\u5b63\uff0c\u8da8\u52e2\u79d1\u6280\u5728\u8d85\u904e12,000\u53f0\u4e0d\u540c\u6a5f\u5668\u4e0a\u76e3\u8996\u5230PowerShell\u7684\u76f8\u95dc\u653b\u64ca\u3002<\/p>\n<p>\u57282016\u5e7411\u6708\uff0c\u63a1\u7528\u7121\u6a94\u6848\u75c5\u6bd2\u7684\u653b\u64ca<a href=\"https:\/\/www.wired.com\/2017\/02\/say-hello-super-stealthy-malware-thats-going-mainstream\/\">\u64da\u5831<\/a>\u6210\u9577\u4e8613%\u3002\u57282016\u5e74\u6700\u5f8c\u4e00\u5b63\uff0c\u7121\u6a94\u6848\u75c5\u6bd2\u76f8\u95dc\u653b\u64ca\u8ddf\u7b2c\u4e00\u5b63\u76f8\u6bd4<a href=\"https:\/\/www.darkreading.com\/vulnerabilities---threats\/fileless-malware-takes-2016-by-storm\/d\/d-id\/1327796?\">\u5927\u5e45\u4e0a\u5347<\/a>\u4e8633%\u3002<\/p>\n<p>\u56e0\u70baPowerShell\u5728IT\/\u7cfb\u7d71\u7ba1\u7406\u54e1\u9593\u7684\u666e\u53ca\u4ee5\u53ca\u5176\u5167\u5efa\u5728\u5fae\u8edf\u4f5c\u696d\u7cfb\u7d71\u5167\uff0c\u7121\u6a94\u6848\u75c5\u6bd2\u548cPowerShell\u5728\u4eca\u5e74\u88ab\u60e1\u610f\u4f7f\u7528\u7684\u72c0\u6cc1\u53ea\u6703\u66f4\u52a0\u56b4\u91cd\uff0c\u56e0\u70ba<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/research-and-analysis\/predictions\/2017\">\u7db2\u8def\u72af\u7f6a\u5206\u5b50\u4e5f\u5728\u7cbe\u9032\u81ea\u5df1\u7684\u7b56\u7565\u548c\u6280\u8853\uff0c\u4ee5\u66f4\u597d\u5730\u8eb2\u907f\u50b3\u7d71\u5b89\u5168\u89e3\u6c7a\u65b9\u6848<\/a>\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>[<\/strong><strong>\u5ef6\u4f38\u95b1\u8b80\uff1a<\/strong><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=49025\">\u9032\u968e\u6c99\u7bb1\u6280\u8853\u5982\u4f55\u963b\u6b62\u6703\u8eb2\u907f\u5075\u6e2c\u7684\u5a01\u8105\uff0c\u5982\u7121\u6a94\u6848\u75c5\u6bd2<\/a><strong>]<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u4f01\u696d\u9700\u8981\u66f4\u52a0\u7a4d\u6975\u7684\u5b89\u5168\u63aa\u65bd<\/strong><\/p>\n<p>\u5c0d\u6297\u7121\u6a94\u6848\u75c5\u6bd2\u6c92\u6709\u7279\u6548\u85e5\uff0c\u7d44\u7e54\u61c9\u8a72\u5be6\u4f5c\u7e31\u6df1\u9632\u79a6\uff0c\u5efa\u7f6e\u591a\u5c64\u6b21\u9632\u8b77\u4f86\u6e1b\u5c11\u66b4\u9732\u9762\u548c\u640d\u5bb3\u3002\u4f46\u9664\u4e86\u57f9\u990a\u5177\u5099\u5b89\u5168\u610f\u8b58\u7684\u54e1\u5de5\u5916\uff0c\u7d44\u7e54\u9084\u53ef\u4ee5\u505a\u4e9b\u4ec0\u9ebc\u52a0\u4ee5\u9632\u79a6\uff1f<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u52a9\u65bc\u89e3\u6c7a\u7121\u6a94\u6848\u75c5\u6bd2\u5a01\u8105\u7684\u505a\u6cd5\uff1a<\/p>\n<p><strong><em>\u66f4\u65b0\u4fee\u88dc\u7a0b\u5f0f\u548c\u4fdd\u6301\u7cfb\u7d71\u66f4\u65b0\u3002<\/em><\/strong>\u7121\u6a94\u6848\u75c5\u6bd2\u6703\u653b\u64ca\u767d\u540d\u55ae\u5167\u61c9\u7528\u7a0b\u5f0f\uff08\u610f\u5473\u8457\u5df2\u7d93\u88ab\u5141\u8a31\u5728\u7cfb\u7d71\u5167\u57f7\u884c\uff09\u7684\u6f0f\u6d1e\u3002\u9019\u8b93\u653b\u64ca\u8005\u80fd\u5920\u5d4c\u5165\u60e1\u610f\u8173\u672c\u6216\u7a0b\u5f0f\u78bc\u4e26\u501f\u52a9\u8a72\u61c9\u7528\u7a0b\u5f0f\u6b0a\u9650\u57f7\u884c\u3002\u5efa\u8b70\u5be6\u65bd\u53ef\u4ee5\u517c\u9867\u4f01\u696d\u751f\u7522\u529b\u548c\u5b89\u5168\u6027\u7684\u6709\u6548\u4fee\u88dc\u7a0b\u5f0f\u7ba1\u7406\u653f\u7b56\u3002\u4e5f\u53ef\u4ee5\u4f48\u7f72<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/virtualization-and-cloud\/virtual-patching-in-mixed-environments-how-it-protects-you\/\">\u865b\u64ec\u4fee\u88dc<\/a>\u548c<a href=\"https:\/\/www.trendmicro.com\/en_us\/business\/products\/user-protection\/sps\/endpoint\/vulnerability-protection.html\">\u6f0f\u6d1e\u9632\u8b77\u6a5f\u5236<\/a>\u4f86\u9632\u8b77\u7cfb\u7d71\u548c\u7db2\u8def\u5c0d\u6297\u672a\u77e5\u6f0f\u6d1e\uff0c\u5373\u4fbf\u9084\u6c92\u6709\u4fee\u88dc\u7a0b\u5f0f\u63a8\u51fa\u3002<\/p>\n<p><strong><em>\u63a1\u7528\u6700\u4f73\u5be6\u4f5c\u4f86\u5b89\u5168\u7684\u4f7f\u7528PowerShell<\/em><\/strong><strong><em>\u3002<\/em><\/strong>PowerShell\u6709\u81ea\u5df1\u7684<a href=\"https:\/\/blogs.msdn.microsoft.com\/powershell\/2015\/06\/09\/powershell-the-blue-team\/\">\u65e5\u8a8c\u8a18\u9304\u529f\u80fd<\/a>\uff0c\u53ef\u7528\u4f86\u9032\u4e00\u6b65\u5730\u5be9\u67e5\u5728\u7cfb\u7d71\u5167\u662f\u5426\u6709\u53ef\u7591\u6216\u60e1\u610f\u884c\u70ba\u3002\u5fae\u8edf\u4e5f\u6709<a href=\"https:\/\/blogs.msdn.microsoft.com\/powershell\/2013\/12\/16\/powershell-security-best-practices\/\">\u5728\u4f5c\u696d\u6216\u96f2\u7aef\u74b0\u5883\u4f7f\u7528PowerShell<\/a>\u7684<a href=\"https:\/\/technet.microsoft.com\/en-us\/gg261722.aspx\">\u6700\u4f73\u5be6\u4f5c<\/a>\uff0c\u6216\u900f\u904ePowerShell\u6307\u4ee4\u5f37\u5316\u7cfb\u7d71\uff08\u5373<a href=\"https:\/\/technet.microsoft.com\/en-us\/library\/2008.01.powershell.aspx\">\u57f7\u884c\u653f\u7b56<\/a>\u6216\u8a2d\u7f6ePowerShell\u4f7f\u7528<a href=\"https:\/\/blogs.msdn.microsoft.com\/daviddasneves\/2017\/05\/25\/powershell-security-at-enterprise-customers\/\">ConstrainedLanguageMode<\/a>\uff09\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>IT\/\u7cfb\u7d71\u7ba1\u7406\u54e1\u548c\u8cc7\u5b89\u5c08\u5bb6\u4e5f\u53ef\u4ee5\u8a2d\u5b9a\u5075\u6e2c\u689d\u4ef6\uff0c\u53ef\u4ee5\u4f9d\u64da\u5df2\u77e5\u6703\u88ab\u7528\u65bc\u60e1\u610fPowerShell\u8173\u672c\u7684\u6307\u4ee4\u3002\u6bd4\u65b9\u8aaa\u60e1\u610f\u5206\u5b50\u7d93\u5e38\u5728\u4f7f\u7528PowerShell\u6642\u6703\u7528\u201c^\u201d\u7b26\u865f\u4f86\u6df7\u6dc6\u6307\u4ee4\u53c3\u6578\u3002<\/p>\n<p>\u5176\u4ed6\u53ef\u7528\u4f86\u6383\u63cfPowerShell\u8173\u672c\u7684\u5075\u6e2c\u689d\u4ef6\u70ba\uff1a<\/p>\n<ul>\n<li>\u654f\u611fPowerShell\u6307\u4ee4\u53c3\u6578\uff0c\u5982\uff1aExecutionPolicy Bypass\u3001-Exec Bypass\u3001-ep bypass\u3001-EncodedCommand\u3001-enc<\/li>\n<li>\u53ef\u7528\u65bc\u66f4\u52a0\u7a4d\u6975\u5075\u6e2c\u7684PowerShell\u6307\u4ee4\u53c3\u6578\uff0c\u5982\uff1a<em>-NonInteractive<\/em><em>\u3001-NonI<\/em><em>\u3001-NoLogo<\/em><em>\u3001-NoProfile<\/em><em>\u3001-NoP<\/em><em>\u3001-WindowStyle Hidden<\/em><em>\u3001-w Hidden<\/em><\/li>\n<li>PowerShell\u7684\u7236\u7a0b\u5e8f\u5982\uff1a<em>wscript<\/em><em>\u3001\u5fae\u8edfOffice<\/em><em>\u8edf\u9ad4<\/em><\/li>\n<li>Powershell\u6307\u4ee4\u53c3\u6578\u7279\u5fb5\u5982<em>Entrophy<\/em><em>\u548c\u9577\u5ea6<\/em><\/li>\n<li>https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/fileless-malware-powershell-2.png<\/li>\n<\/ul>\n<p><em>\u7528\u201c^<\/em><em>\u201d\u4f86\u6df7\u6dc6\u6307\u4ee4\u7684\u5de8\u96c6\u60e1\u610f\u8edf\u9ad4\u7a0b\u5f0f\u78bc\u622a\u5716<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><strong><em>\u90e8\u7f72\u6700\u5c0f\u6b0a\u9650\u539f\u5247\u3002<\/em><\/strong>\u900f\u904e\u53ea\u7d66\u4e88\u4f7f\u7528\u8005\u8db3\u4ee5\u5b8c\u6210\u5de5\u4f5c\u6216\u61c9\u7528\u7a0b\u5f0f\u80fd\u5920\u57f7\u884c\u7684\u6b0a\u9650\uff0c\u9019\u80fd\u5920\u9032\u4e00\u6b65\u964d\u4f4e\u5a01\u8105\u66b4\u9732\u9762\u3002\u9019\u53ef\u4ee5\u9650\u5236\u6f0f\u6d1e\u653b\u64ca\u6216\u672a\u7d93\u6388\u6b0a\u4f7f\u7528\u6240\u5c0e\u81f4\u7684\u98a8\u96aa\u751a\u81f3\u5be6\u969b\u640d\u5bb3\u3002<\/p>\n<p><strong><em>\u90e8\u7f72\u884c\u70ba\u76e3\u63a7\u6a5f\u5236\u3002<\/em><\/strong>\u7121\u6a94\u6848\u75c5\u6bd2\u6703\u5229\u7528\u5de5\u5177\uff08\u5982PowerShell\uff09\u4f86\u7e5e\u904e\u7cfb\u7d71\u9650\u5236\u3002\u65e2\u7136\u7121\u6a94\u6848\u75c5\u6bd2\u4e0d\u6703\u5beb\u5165\u78c1\u789f\uff0c\u5c31\u80fd\u5920\u7e5e\u904e\u4f9d\u8cf4\u6a94\u6848\u4f86\u5075\u6e2c\u5a01\u8105\u7684\u50b3\u7d71\u5b89\u5168\u89e3\u6c7a\u65b9\u6848\u3002\u61c9\u7528\u63a7\u5236\u9019\u985e\u9632\u6b62\u61c9\u7528\u7a0b\u5f0f\u57f7\u884c\u7684\u6a5f\u5236\u5728\u9019\u65b9\u9762\u7684\u5e6b\u52a9\u5f88\u6709\u9650\u3002\u6b64\u5916\uff0cPowerShell\u662fIT\/\u7cfb\u7d71\u7ba1\u7406\u54e1\u548c\u8cc7\u5b89\u5c08\u5bb6\u6240\u7d93\u5e38\u4f7f\u7528\u7684\u5408\u6cd5\u5de5\u5177\uff0c\u56e0\u6b64\u7121\u6cd5\u88ab\u61c9\u7528\u7a0b\u5f0f\u63a7\u5236\u8edf\u9ad4\u8f15\u6613\u5730\u5c01\u9396\u3002\u89e3\u6c7a\u65b9\u6cd5\u662f\u90e8\u7f72<a href=\"https:\/\/www.trendmicro.com\/en_us\/business\/products\/user-protection\/sps\/endpoint\/officescan.html\">\u884c\u70ba\u76e3\u63a7\u6a5f\u5236<\/a>\u5728\u7aef\u9ede\u4e0a\uff0c\u900f\u904e\u76e3\u8996\u548c\u5c01\u9396\u60e1\u610f\u884c\u70ba\u548c\u60e1\u610f\u8edf\u9ad4\u76f8\u95dc\u52d5\u4f5c\u53ca\u5c0d\u4f5c\u696d\u7cfb\u7d71\u6216\u8edf\u9ad4\/\u61c9\u7528\u7a0b\u5f0f\uff08\u5305\u62ecPowerShell\uff09\u505a\u51fa\u7570\u5e38\u8b8a\u52d5\uff0c\u9019\u80fd\u5920\u9632\u6b62\u548c\u9650\u5236\u8cc7\u6599\u5916\u6d29\u548c\u60e1\u610f\u75c5\u6bd2\u611f\u67d3\u3002\u597d\u7684\u884c\u70ba\u76e3\u63a7\u7cfb\u7d71\u4e0d\u50c5\u6703\u6aa2\u8996\u61c9\u7528\u7a0b\u5f0f\u884c\u70ba\uff0c\u9084\u5305\u62ec\u7570\u5e38\u7684\u7a0b\u5e8f\u93c8\uff0c\u5982Explorer\u5982\u4f55\u555f\u52d5\u547d\u4ee4\u5217\u4f86\u57f7\u884c\u60e1\u610fPowerShell\u8173\u672c\u3002<\/p>\n<p><strong><em>\u555f\u7528\u5ba2\u88fd\u5316\u6c99\u7bb1\u3002<\/em><\/strong>\u7121\u6a94\u6848\u75c5\u6bd2\u6728\u99ac\u4e0b\u8f09\u7a0b\u5f0f\u548c\u5de8\u96c6\u60e1\u610f\u8edf\u9ad4\u7d93\u5e38\u6703\u5229\u7528PowerShell\u8173\u672c\u548cshellcode\u4f86\u6563\u64ad\u5176\u6709\u6548\u8f09\u8377\u3002IT\/\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u5c07\u5b83\u5011\u56f0\u5728\u5728\u6c99\u7bb1\u4e2d\uff0c\u9019\u662f\u5c07\u53ef\u7591\u6a94\u6848\u9694\u96e2\u63a5\u53d7\u9032\u4e00\u6b65\u5206\u6790\u7684\u53d7\u63a7\u5236\u865b\u64ec\u74b0\u5883\u3002\u6c99\u7bb1\u5fc5\u9808\u88ab\u914d\u7f6e\u6210\u8ddf\u5be6\u969b\u7cfb\u7d71\u4e00\u6a23\u7684\u8a2d\u5b9a\uff0c\u53ef\u4ee5\u66f4\u52a0\u6709\u6548\u8b58\u5225\u53ef\u7591\u6a94\u6848\u6703\u5982\u4f55\u5f71\u97ff\u7cfb\u7d71\u3002<a 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href=\"https:\/\/www.trendmicro.com\/en_us\/business\/products\/network\/deep-discovery\/endpoint-sensor.html\">\u5b9a\u671f\u7d00\u9304\u7cfb\u7d71\u6d3b\u52d5\uff0c\u7121\u8ad6\u662f\u61c9\u7528\u7a0b\u5f0f\u3001\u8a3b\u518a\u8868\u6216\u662f\u7cfb\u7d71\u548c\u7db2\u8def\u4e8b\u4ef6<\/a>\uff0c\u4e26\u78ba\u4fdd\u5b83\u5011\u4e0d\u6703\u88ab\u4fee\u6539\u3002\u4e0d\u50c5\u662f\u56e0\u70ba\u5b83\u5011\u6709\u52a9\u65bc\u4e8b\u4ef6\u56de\u61c9\u548c\u6d88\u5f2d\uff1b\u9019\u4e9b\u65e5\u8a8c\u9084\u53ef\u4ee5\u5354\u52a9\u5b89\u5168\u7814\u7a76\u4eba\u54e1\u66f4\u597d\u5730\u4e86\u89e3\u5a01\u8105\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\uff20\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/security-technology\/security-101-the-rise-of-fileless-threats-that-abuse-powershell\">Security 101: The Rise of Fileless Threats that Abuse PowerShell<\/a> \u4f5c\u8005\uff1aMarvin Cruz\uff08\u8da8\u52e2\u79d1\u6280\u5a01\u8105\u7814\u7a76\u54e1\uff09<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7db2\u8def\u72af\u7f6a\u5206\u5b50\u8d8a\u4f86\u8d8a\u5e38\u5229\u7528\u7cfb\u7d71\u5167\u5efa\u5de5\u5177\u6216\u670d\u52d9\u4f86\u6563\u64ad\u60e1\u610f\u8edf\u9ad4,\u539f\u56e0\u662f\u65b9\u4fbf\u3001\u6709\u6548\u548c\u96b1\u853d\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5229\u7528\u9019\u4e9b\u5408\u6cd5\u5de5\u5177\u53ef [&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":[1268,2454],"tags":[1483,3297],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/50380"}],"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=50380"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/50380\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=50380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=50380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=50380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}