{"id":64417,"date":"2020-05-27T09:00:00","date_gmt":"2020-05-27T01:00:00","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=64417"},"modified":"2020-05-29T10:48:36","modified_gmt":"2020-05-29T02:48:36","slug":"64417","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=64417","title":{"rendered":"\u901a\u904e\u6620\u5c04\u8f09\u5165\u6280\u8853\u6ce8\u5165\u7684Netwalker\u7121\u6a94\u6848\u52d2\u7d22\u75c5\u6bd2"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2019\/04\/Ransomeware-200x200.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>\u99ed\u5ba2\u6703\u4e0d\u505c\u5730\u5275\u9020\u66f4\u52a0\u5148\u9032\u7684\u624b\u6cd5\u4f86\u8b93\u60e1\u610f\u8edf\u9ad4\u8eb2\u907f\u9632\u79a6\u3002<a href=\"https:\/\/www.trendmicro.com.tw\/edm\/Tracking.asp?id=2651&amp;name=20110916\">\u8da8\u52e2\u79d1\u6280<\/a>\u770b\u5230Netwalker<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=12412\">\u52d2\u7d22\u75c5\u6bd2<\/a> (\u52d2\u7d22\u8edf\u9ad4\/\u7d81\u67b6\u75c5\u6bd2)\u653b\u64ca\u6240\u7528\u7684\u60e1\u610f\u8edf\u9ad4\u4e26\u7121\u7d93\u904e\u7de8\u8b6f\uff0c\u800c\u662f\u7528PowerShell\u7de8\u5beb\u4e26\u76f4\u63a5\u5728\u8a18\u61b6\u9ad4\u5167\u57f7\u884c\uff0c\u4e0d\u6703\u5c07\u5be6\u969b\u52d2\u7d22\u75c5\u6bd2\u6a94\u6848\u5132\u5b58\u5728\u786c\u789f\u88e1\u3002\u9019\u8b93\u6b64\u52d2\u7d22\u75c5\u6bd2\u6210\u70ba\u4e86<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=57676\">\u7121\u6a94\u6848\u75c5\u6bd2(fileless malware)<\/a>\uff0c\u80fd\u5920\u4fdd\u6301\u6301\u7e8c\u6027\u4e26\u5229\u7528\u7cfb\u7d71\u5167\u5de5\u5177\u4f86\u9032\u884c\u653b\u64ca\u800c\u4e0d\u88ab\u5075\u6e2c\u3002<\/p>\n\n\n\n<p>\u6b64\u985e\u60e1\u610f\u5a01\u8105\u5229\u7528\u88ab\u7a31\u70ba\u6620\u5c04\uff08reflective\uff09DLL\u6ce8\u5165\u7684\u6280\u8853\uff0c\u4e5f\u88ab\u7a31\u70ba\u6620\u5c04DLL\u8f09\u5165\u3002\u9019\u9805\u6280\u8853\u6703\u5f9e\u8a18\u61b6\u9ad4\u8f09\u5165DLL\u800c\u975e\u5f9e\u786c\u789f\u3002\u56e0\u6b64\u6703\u6bd4\u4e00\u822c\u7684DLL\u6ce8\u5165\u66f4\u52a0\u5177\u6709\u96b1\u853d\u6027\uff0c\u9664\u4e86\u4e0d\u9700\u6709\u5be6\u969bDDL\u6a94\u5b58\u5728\u786c\u789f\u4e4b\u5916\uff0c\u4e5f\u4e0d\u9700\u8981Windows\u8f09\u5165\u7a0b\u5f0f\u5c31\u53ef\u4ee5\u9032\u884c\u6ce8\u5165\u3002\u9019\u6a23\u5c31\u4e0d\u7528\u5c07DLL\u767b\u9304\u70ba\u7a0b\u5e8f\u8f09\u5165\u6a21\u7d44\uff0c\u907f\u514d\u4e86\u88abDLL\u8f09\u5165\u76e3\u63a7\u5de5\u5177\u5075\u6e2c\u3002<\/p>\n\n\n\n<p>\u6211\u5011\u6700\u8fd1\u770b\u904e\u4e86\u99ed\u5ba2\u5229\u7528\u6b64\u6280\u8853\u4f86\u90e8\u7f72<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=64227\">ColdLock<\/a>\u52d2\u7d22\u75c5\u6bd2\u3002\u800c\u73fe\u5728\u5247\u770b\u5230\u4f7f\u7528\u540c\u6a23\u7121\u6a94\u6848\u6280\u8853\u7684Netwalker\u52d2\u7d22\u75c5\u6bd2\u653b\u64ca\u3002\u60e1\u610fPowerShell\u8173\u672c\u88ab\u5075\u6e2c\u70ba<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Ransom.PS1.NETWALKER.B\">Ransom.PS1.NETWALKER.B<\/a>\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><br> <br> <br> <\/p>\n\n\n\n\n\n<!--more-->\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"><ins>[<\/ins><strong><ins>\u5ef6\u4f38\u95b1\u8b80\uff1a<\/ins><\/strong><a href=\"https:\/\/blog.trendmicro.com.tw\/?p=64227\">\u76ee\u6a19\u5f0f\u52d2\u7d22\u75c5\u6bd2\u653b\u64ca\u53f0\u7063\u4f01\u696d<\/a><strong><\/strong><ins>]<\/ins><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"background-color:#ECF0F1;padding:20px\" class=\"wp-block-tnp-minimal\"><p>\u8a02\u95b1\u8cc7\u5b89\u8da8\u52e2\u96fb\u5b50\u5831<\/p><div><div class=\"tnp tnp-subscription-minimal  \"><form action=\"https:\/\/blog.trendmicro.com.tw\/wp-admin\/admin-ajax.php?action=tnp&amp;na=s\" method=\"post\" style=\"text-align: center\"><input type=\"hidden\" name=\"nr\" value=\"minimal\">\n<input type=\"hidden\" name=\"nlang\" value=\"\">\n<input class=\"tnp-email\" type=\"email\" required name=\"ne\" value=\"\" placeholder=\"Email\"><input class=\"tnp-submit\" type=\"submit\" value=\"\u8a02\u95b1\" style=\"background-color:#E74C3C;\">\n<\/form><\/div>\n<\/div><\/div>\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\"><strong>PowerShell\u8173\u672c\u5206\u6790<\/strong><\/h3>\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:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-1-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u57161. PowerShell\u8173\u672c\u884c\u70ba\u6982\u8ff0 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u9019\u500b\u8173\u672c\u4f7f\u7528\u591a\u5c64\u7684\u52a0\u5bc6\u3001\u6df7\u6dc6\u548c\u7de8\u78bc\u6280\u8853\u4f86\u63a9\u8b77\u81ea\u5df1\u3002\u53ef\u4ee5\u5f9e\u6b64\u6a23\u672c\u627e\u51fa\u4e09\u5c64\u7684\u7a0b\u5f0f\u78bc\u3002\u6700\u4e0a\u5c64\u57f7\u884c\u4e00\u500bbase64\u7de8\u78bc\u904e\u7684\u547d\u4ee4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-2-Netwalker.jpg\" alt=\"\"\/><figcaption> \u57162. \u6700\u4e0a\u5c64\u7a0b\u5f0f\u78bc\u7247\u6bb5\uff08base64\u7de8\u78bc\u904e\u7684\u547d\u4ee4\uff09 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u89e3\u78bc\u5f8c\u51fa\u73fe\u4e0b\u4e00\u5c64\u7a0b\u5f0f\u78bc\uff0c\u7d93\u904e\u5341\u516d\u9032\u4f4d\u7de8\u78bc\u548cXOR\u52a0\u5bc6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-3-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u57163. \u7b2c\u4e8c\u5c64\u7a0b\u5f0f\u78bc\uff08\u5341\u516d\u9032\u4f4d\u7de8\u78bc\u548cXOR\u52a0\u5bc6\uff09 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u89e3\u958b\u5f8c\u6703\u51fa\u73fe\u4e3b\u8981\u8173\u672c\uff0c\u4e0d\u904e\u4f9d\u7136\u7d93\u904e\u6df7\u6dc6\u8655\u7406\u4f7f\u5f97\u5167\u5bb9\u96e3\u4ee5\u88ab\u5206\u6790\u89e3\u5bc6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-4-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u57164. \u6df7\u6dc6\u8655\u7406\u904e\u7684\u4e3b\u8173\u672c\u7a0b\u5f0f\u78bc\u7247\u6bb5 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u8a72\u6a94\u6848\u4ee5\u6620\u5c04\u65b9\u5f0f\u5c07\u52d2\u7d22\u75c5\u6bd2DLL\u6ce8\u5165\u6b63\u5e38\u7684\u57f7\u884c\u4e2d\u7a0b\u5e8fexplorer.exe\u7684\u8a18\u61b6\u9ad4\u3002\u52d2\u7d22\u75c5\u6bd2\u4ee5\u5341\u516d\u9032\u4f4d\u683c\u5f0f\u5167\u5d4c\u5728\u8173\u672c\u88e1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-5-Netwalker.jpg\" alt=\"\"\/><figcaption> \u57165. \u4ee5\u5341\u516d\u9032\u4f4d\u683c\u5f0f\u5167\u5d4c\u9032\u8173\u672c\u7684\u52d2\u7d22\u75c5\u6bd2\u6a94\u6848 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5f9e\u8173\u672c\u63d0\u53d6\u51fa\u4e8c\u9032\u4f4d\u6a94\u4e26\u89e3\u78bc\u5f8c\u6703\u7522\u751f\u5169\u500bDLL\u3002\u4e00\u500b\u662f\u52d2\u7d22\u75c5\u6bd2\u7684x86\u7248\u672c\uff08\u7528\u65bc32\u4f4d\u5143\u4f5c\u696d\u7cfb\u7d71\uff09\uff0c\u53e6\u4e00\u500b\u662fx64\u7248\u672c\uff08\u7528\u65bc64\u4f4d\u5143\u4f5c\u696d\u7cfb\u7d71\uff09\u3002<\/p>\n\n\n\n<p>\u5b83\u6703\u7528\u8173\u672c\u4ee5\u4e0b\u7684\u90e8\u5206\u4f86\u5224\u65b7\u8173\u672c\u57f7\u884c\u74b0\u5883\u4ee5\u9078\u64c7\u8981\u4f7f\u7528\u7684DLL\u7248\u672c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-6-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u57166. \u78ba\u8a8d\u52d2\u7d22\u75c5\u6bd2\u57f7\u884c\u74b0\u5883\u7684\u8173\u672c <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u70ba\u4e86\u6210\u529f\u9032\u884c\u6620\u5c04\u6ce8\u5165\uff0c\u5b83\u6703\u5148\u5f9ekernell32.dll\u627e\u5230\u6240\u9700\u51fd\u5f0f\u7684API\u5730\u5740\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-7-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u57167. \u52d2\u7d22\u75c5\u6bd2\u5f9ekernell32.dll\u6536\u96c6API\u5730\u5740 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u63a5\u8457\u5b83\u6703\u7528\u4ee5\u4e0b\u51fd\u5f0f\u4f86\u5efa\u7acb\u6e96\u78ba\u8a18\u61b6\u9ad4\u5730\u5740\u7684\u8a08\u7b97\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-8-Netwalker-380x422.jpg\" alt=\"A screenshot of a cell phone\n\nDescription automatically generated\"\/><\/figure>\n\n\n\n<p>\u57168. \u5efa\u7acb\u8a18\u61b6\u9ad4\u8a08\u7b97\u7684\u51fd\u5f0f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-9-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u57169. \u7528\u4f86\u8a08\u7b97\u6240\u9700\u8a18\u61b6\u9ad4\u5730\u5740\u7684\u7a0b\u5f0f\u78bc\u7247\u6bb5 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u8173\u672c\u5229\u7528\u9019\u65b9\u6cd5\u5c07\u81ea\u5df1\u8b8a\u6210DLL\u7684\u8f09\u5165\u7a0b\u5f0f\u3002\u9019\u6a23\u5c31\u4e0d\u518d\u9700\u8981\u50b3\u7d71\u7684Windows\u8f09\u5165\u7a0b\u5f0f\uff08\u901a\u5e38\u6703\u5229\u7528LoadLibrary\u51fd\u5f0f\uff09\u3002\u8173\u672c\u81ea\u5df1\u53ef\u4ee5\u8a08\u7b97\u4e26\u89e3\u6790\u6240\u9700\u7684\u8a18\u61b6\u9ad4\u5730\u5740\u548c\u91cd\u65b0\u5b9a\u5740\u4f86\u6b63\u78ba\u8f09\u5165DLL\u3002<\/p>\n\n\n\n<p>\u63a5\u8457\u6307\u5b9a\u8981\u6ce8\u5165\u7684\u7a0b\u5e8f\uff1b\u6b64\u6642\u5b83\u6703\u641c\u5c0b\u57f7\u884c\u4e2d\u7684Windows Explorer\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-10-Netwalker.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u571610. \u641c\u5c0b\u57f7\u884c\u4e2dWindows Explorer\u7a0b\u5e8f\u7684\u7a0b\u5f0f\u78bc\u7247\u6bb5<\/p>\n\n\n\n<p>\u63a5\u8457\u5b83\u6703\u4e0b\u5217\u7a0b\u5f0f\u78bc\u5c07\u52d2\u7d22\u75c5\u6bd2DLL\u5beb\u5165explorer.exe\u7684\u8a18\u61b6\u9ad4\u7a7a\u9593\u4e26\u57f7\u884c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-11-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u571611. \u5c07\u52d2\u7d22\u75c5\u6bd2DLL\u5beb\u5165\u8a18\u61b6\u9ad4\u7684\u7a0b\u5f0f\u78bc <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6700\u5f8c\u5b83\u6703\u522a\u9664\u78c1\u789f\u5340\u9670\u5f71\u8907\u88fd\uff08Shadow Volume Copy\uff09\uff0c\u9632\u6b62\u53d7\u5bb3\u8005\u7528\u78c1\u789f\u5340\u9670\u5f71\uff08Shadow Volume\uff09\u4f86\u56de\u5fa9\u88ab\u5b83\u5011\u52a0\u5bc6\u7684\u6a94\u6848\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-12-Netwalker.jpg\" alt=\"\"\/><figcaption> \u571612. \u522a\u9664\u78c1\u789f\u5340\u9670\u5f71\u8907\u88fd\u7684\u7a0b\u5f0f\u78bc\u7247\u6bb5 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6b64\u6a23\u672c\u4f3c\u4e4e\u4f86\u81ea<a href=\"https:\/\/github.com\/PowerShellMafia\/PowerSploit\/blob\/master\/Exfiltration\/Invoke-Mimikatz.ps1\">PowerSploit\u7684Invoke-Mimikatz<\/a>\u6a21\u7d44\uff0c\u9019\u662f\u500b\u6700\u521d\u76ee\u7684\u662f\u5c07Mimikatz\u5b8c\u5168\u6620\u5c04\u8f09\u5165\u5230\u8a18\u61b6\u9ad4\u4ee5\u79d8\u5bc6\u8f49\u5132\u5e33\u5bc6\u7684\u958b\u653e\u7a0b\u5f0f\u78bc\u8a08\u756b\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\"><strong>\u7121\u6a94\u6848\u52d2\u7d22\u75c5\u6bd2\u5206\u6790<\/strong><\/h3>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Netwalker\u9019\u96bb\u8b8a\u7a2e\u5728\u884c\u70ba\u65b9\u9762\u8ddf\u524d\u4e00\u4ee3\u985e\u4f3c\u3002\u4f7f\u75286\u500b\u96a8\u6a5f\u5b57\u5143\u4f5c\u70ba\u526f\u6a94\u540d\u4f86\u91cd\u65b0\u547d\u540d\u52a0\u5bc6\u904e\u7684\u6a94\u6848\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-13-Netwalker-380x372.jpg\" alt=\"A screenshot of text\n\nDescription automatically generated\"\/><figcaption> \u571613. \u88ab\u91cd\u65b0\u547d\u540d\uff08\u75286\u500b\u96a8\u6a5f\u5b57\u5143\u4f5c\u526f\u6a94\u540d\uff09\u7684\u52a0\u5bc6\u6a94\u6848 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5b83\u5c07\u52d2\u8d16\u901a\u77e5\u653e\u9032\u7cfb\u7d71\u5167\u7684\u8a31\u591a\u8cc7\u6599\u593e\u4e2d\uff0c\u4e26\u4e14\u6703\u5728\u52a0\u5bc6\u5b8c\u53d7\u5bb3\u8005\u8cc7\u6599\u548c\u6587\u4ef6\u5f8c\u958b\u555f\u5176\u4e2d\u4e00\u4efd\u3002\u8ddf\u666e\u901a\u7684\u52d2\u7d22\u75c5\u6bd2\u4e00\u6a23\uff0c\u9019\u6a23\u662f\u70ba\u4e86\u5411\u53d7\u5bb3\u8005\u52d2\u7d22\u8d16\u91d1\u4f86\u63db\u53d6\u6a94\u6848\u89e3\u5bc6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-14-Netwalker.jpg\" alt=\"A screenshot of a social media post\n\nDescription automatically generated\"\/><figcaption> \u571614. Netwalker\u52d2\u8d16\u901a\u77e5 <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5b83\u6703\u52a0\u5165\u4ee5\u4e0b\u767b\u9304\u5b50\u6a5f\u78bc\uff0c\u9019\u52d5\u4f5c\u662fNetwalker\u77e5\u540d\u7684\u884c\u70ba\uff1a<\/p>\n\n\n\n<p>HKEY_CURRENT_USER\\SOFTWARE\\{8\u500b\u96a8\u6a5f\u5b57\u5143}<\/p>\n\n\n\n<p>{8\u500b\u96a8\u6a5f\u5b57\u5143} = {\u5341\u516d\u9032\u4f4d\u503c}<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/05\/Fig-15.jpg\" alt=\"A screenshot of a cell phone\n\nDescription automatically generated\"\/><figcaption> \u571615. Netwalker\u52a0\u5165\u7684\u767b\u9304\u5b50\u6a5f\u78bc\u7bc4\u4f8b <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u52d2\u7d22\u75c5\u6bd2\u6703\u7d42\u6b62\u67d0\u4e9b\u7a0b\u5e8f\u548c\u670d\u52d9\uff0c\u5176\u4e2d\u6709\u4e9b\u8ddf\u5099\u4efd\u8edf\u9ad4\u6216\u8cc7\u6599\u76f8\u95dc\u61c9\u7528\u7a0b\u5f0f\u6709\u95dc\u3002\u76ee\u7684\u53ef\u80fd\u662f\u70ba\u4e86\u8b93\u53d7\u5bb3\u8005\u5728\u906d\u53d7\u52d2\u7d22\u75c5\u6bd2\u653b\u64ca\u5f8c\u96e3\u4ee5\u53bb\u57f7\u884c\u5099\u4efd\u548c\u56de\u5fa9\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u5e95\u4e0b\u662f\u52d2\u7d22\u75c5\u6bd2\u6240\u6703\u7d42\u6b62\u7684\u90e8\u5206\u670d\u52d9\uff08\u95dc\u65bc\u5b8c\u6574\u7684\u670d\u52d9\u5217\u8868\u8acb\u53c3\u95b1\u6b64<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Ransom.PS1.NETWALKER.B\">\u5831\u544a<\/a>\uff09\uff1a<\/p>\n\n\n\n<ul><li>*backup*<\/li><li>*sql*<\/li><li>AcronisAgent<\/li><li>ARSM<\/li><li>Server Administrator<\/li><li>ShadowProtectSvc<\/li><li>wbengine<\/li><\/ul>\n\n\n\n<p>\u52d2\u7d22\u75c5\u6bd2\u9084\u6703\u7d42\u6b62\u5b89\u5168\u8edf\u9ad4\u76f8\u95dc\u7684\u7a0b\u5e8f\u4f86\u8eb2\u907f\u5176\u5c0d\u60e1\u610f\u6d3b\u52d5\u7684\u5075\u6e2c\u548c\u5c01\u9396\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5b83\u6703\u9084\u7d42\u6b62\u8ddf\u4f7f\u7528\u8005\u8cc7\u6599\u548c\u6587\u4ef6\u53ca\u5efa\u7acb\u5099\u4efd\u7528\u8edf\u9ad4\u6709\u95dc\u7684\u7a0b\u5e8f\u3002\u63a5\u8457\u7e7c\u7e8c\u52a0\u5bc6\u9019\u4e9b\u61c9\u7528\u7a0b\u5f0f\u6240\u5efa\u7acb\u7684\u6a94\u6848\u3002<\/p>\n\n\n\n<p>\u88ab\u52d2\u7d22\u75c5\u6bd2\u7d42\u6b62\u7684\u90e8\u5206\u7a0b\u5e8f\uff08\u95dc\u65bc\u5b8c\u6574\u7684\u7a0b\u5e8f\u5217\u8868\uff0c\u8acb\u53c3\u95b1<a href=\"https:\/\/redirect.viglink.com\/?format=go&amp;jsonp=vglnk_158998573039910&amp;key=0d3176c012db018d69225ad1c36210fa&amp;libId=kafgdqme0102jdmu000DA19jqi04qz5m4k&amp;subId=f9f1a771608a24e84c49a8532e282dc1&amp;cuid=f9f1a771608a24e84c49a8532e282dc1&amp;loc=https%3A%2F%2Fblog.trendmicro.com%2Ftrendlabs-security-intelligence%2Fnetwalker-fileless-ransomware-injected-via-reflective-loading%2F&amp;v=1&amp;out=https%3A%2F%2Fwww.trendmicro.com%2Fvinfo%2Fus%2Fthreat-encyclopedia%2Fmalware%2FRansom.PS1.NETWALKER.B%3F_ga%3D2.7232378.979227043.1589985611-832260155.1585681188&amp;title=Netwalker%20Fileless%20Ransomware%20Injected%20via%20Reflective%20Loading%20-%20TrendLabs%20Security%20Intelligence%20Blog&amp;txt=this%20report\">\u6b64\u5831\u544a<\/a>\uff09\uff1a<\/p>\n\n\n\n<ul><li>*sql*<\/li><li>excel.exe<\/li><li>ntrtscan.exe<\/li><li>powerpnt.exe<\/li><li>wbengine*<\/li><li>winword.exe<\/li><li>wrsa.exe<\/li><\/ul>\n\n\n\n<p>Netwalker\u5728\u52a0\u5bc6\u6642\u4e3b\u8981\u91dd\u5c0d\u5e38\u898b\u7684\u4f7f\u7528\u8005\u6a94\u6848\uff0c\u5982Office\u6587\u4ef6\u3001PDF\u3001\u5716\u7247\u3001\u5f71\u7247\u3001\u97f3\u6a02\u548c\u6587\u5b57\u6a94\u7b49\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u5b83\u901a\u5e38\u6703\u907f\u514d\u52a0\u5bc6\u95dc\u9375\u6a94\u6848\u3001\u57f7\u884c\u6a94\u3001DLL\u3001\u767b\u9304\u6a94\u6216\u5176\u4ed6\u7cfb\u7d71\u76f8\u95dc\u6a94\u6848\uff0c\u986f\u898b\u5b83\u4e26\u4e0d\u60f3\u8b93\u7cfb\u7d71\u5b8c\u5168\u5931\u6548\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\"><strong>\u7d50\u8ad6\u8207\u5efa\u8b70<\/strong><\/h3>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u770b\u8d77\u4f86\u653b\u64ca\u8005\u73fe\u5728\u6703\u5c07\u6620\u5c04DLL\u6ce8\u5165\u6280\u8853\u904b\u7528\u5728\u52d2\u7d22\u75c5\u6bd2\u653b\u64ca\u4e2d\uff0c\u9019\u8b93\u653b\u64ca\u66f4\u96e3\u88ab\u8ffd\u8e2a\u4e5f\u66f4\u96e3\u8b93\u5b89\u5168\u5206\u6790\u4eba\u54e1\u8abf\u67e5\u3002\u52d2\u7d22\u75c5\u6bd2\u672c\u8eab\u5c31\u5c0d\u7d44\u7e54\u6709\u8457\u5de8\u5927\u7684\u5a01\u8105\u3002\u8f49\u8b8a\u6210\u7121\u6a94\u6848\u5a01\u8105\u6703\u8b93\u98a8\u96aa\u66f4\u52a0\u63d0\u6607\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u66f4\u52a0\u6709\u6548\u5730\u8eb2\u907f\u5075\u6e2c\u4e26\u4fdd\u6301\u6301\u7e8c\u6027\u3002\u9019\u6a23\u7684\u6df7\u5408\u5f0f\u5a01\u8105\u6703\u5229\u7528\u591a\u6a23\u7684\u6280\u8853\uff0c\u6240\u4ee5\u7d44\u7e54\u4e5f\u9700\u8981\u4f7f\u7528\u591a\u5c64\u6b21\u7684\u5b89\u5168\u9632\u8b77\u6280\u8853\u4f86\u6709\u6548\u5730\u4fdd\u8b77\u7aef\u9ede\u7cfb\u7d71\uff0c\u5982\u63a1\u7528\u884c\u70ba\u76e3\u63a7\u548c\u57fa\u65bc\u884c\u70ba\u5075\u6e2c\u7684\u5b89\u5168\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\u9019\u4e9b\u985e\u578b\u7684\u653b\u64ca\u53ef\u80fd\u5c0d\u53d7\u5bb3\u8005\u9020\u6210\u5de8\u5927\u5f71\u97ff\u4e14\u5f88\u96e3\u56de\u5fa9\u3002\u63a1\u53d6\u9069\u7576\u7684\u9810\u9632\u63aa\u65bd\uff08\u5982\u63a1\u7528\u6700\u4f73\u5be6\u4f5c\uff09\u53ef\u4ee5\u5c07\u611f\u67d3\u98a8\u96aa\u964d\u5230\u6700\u4f4e\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u6211\u5011\u5c0d\u907f\u514d\u52d2\u7d22\u75c5\u6bd2\u653b\u64ca\u6240\u63d0\u51fa\u7684\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n\n\n\n<ul><li>\u5b9a\u671f\u5099\u4efd\u95dc\u9375\u8cc7\u6599\u4ee5\u6e1b\u8f15\u52d2\u7d22\u75c5\u6bd2\u653b\u64ca\u9020\u6210\u7684\u5f71\u97ff<\/li><li>\u66f4\u65b0\u4f86\u81ea\u4f5c\u696d\u7cfb\u7d71\u548c\u7b2c\u4e09\u65b9\u5ee0\u5546\u7684\u6700\u65b0\u8edf\u9ad4\u4fee\u88dc\u7a0b\u5f0f\u3002<\/li><li>\u9075\u5b88\u826f\u597d\u7684<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=50177\">\u96fb\u5b50\u90f5\u4ef6<\/a>\u548c\u7db2\u7ad9\u5b89\u5168\u5be6\u4f5c<\/li><li>\u7576\u54e1\u5de5\u767c\u73fe\u53ef\u7591\u7684\u96fb\u5b50\u90f5\u4ef6\u548c\u6a94\u6848\u6642\u8981\u901a\u5831IT\u5b89\u5168\u5718\u968a\u3002<\/li><li>\u5728\u7aef\u9ede\u7cfb\u7d71\u90e8\u7f72\u61c9\u7528\u7a0b\u5f0f\u767d\u540d\u55ae\u6280\u8853\u4f86\u5c01\u9396\u672a\u77e5\u548c\u4e0d\u9700\u8981\u7684\u61c9\u7528\u7a0b\u5f0f\u3002<\/li><li>\u5b9a\u671f\u6559\u80b2\u54e1\u5de5\u95dc\u65bc\u793e\u4ea4\u5de5\u7a0b\u7684\u5371\u5bb3\u3002<\/li><\/ul>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u95dc\u65bc\u4fdd\u8b77\u7cfb\u7d71\u4f86<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=61508\">\u62b5\u79a6\u7121\u6a94\u6848\u5a01\u8105<\/a>\u7684\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n\n\n\n<ul><li>\u5229\u7528PowerShell\u7684\u65e5\u8a8c\u8a18\u9304\u529f\u80fd\u76e3\u8996\u53ef\u7591\u884c\u70ba\u4f86\u4fdd\u8b77\u5176\u4f7f\u7528\u3002<\/li><li>\u4f7f\u7528\u5982ConstrainedLanguageMode\u4e4b\u985e\u7684PowerShell\u547d\u4ee4\u4f86\u9632\u8b77\u7cfb\u7d71\u4e0d\u53d7\u60e1\u610f\u7a0b\u5f0f\u78bc\u4fb5\u5bb3\u3002<\/li><li>\u8a2d\u5b9a\u7cfb\u7d71\u7d44\u4ef6\u4e26\u505c\u7528\u672a\u4f7f\u7528\u6216\u904e\u6642\u7684\u7d44\u4ef6\u4f86\u5c01\u9396\u53ef\u80fd\u7684\u9032\u5165\u9ede\u3002<\/li><li>\u4e0d\u8981\u4e0b\u8f09\u6216\u57f7\u884c\u4f86\u81ea\u4e0d\u719f\u6089\u4f86\u6e90\u7684\u6a94\u6848<\/li><\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"> \u5ef6\u4f38\u95b1\u8b80: \u300c<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=61508\">\u6aaf\u9762\u4e0b\u7684\u98a8\u96aa:\u8a8d\u8b58\u7121\u6a94\u6848\u5f0f\u5a01\u8105<\/a>\u300d<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u540c\u6642\u9084\u5efa\u8b70\u4f7f\u7528\u5177\u5099\u884c\u70ba\u76e3\u63a7\u6280\u8853\u7684\u5b89\u5168\u89e3\u6c7a\u65b9\u6848\u4f86\u61c9\u5c0d\u9019\u4e9b\u985e\u578b\u7684\u5a01\u8105\uff1a<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/user-protection\/sps\/endpoint.html\">\u8da8\u52e2\u79d1\u6280Apex One<\/a>\u2013\u5177\u5099\u884c\u70ba\u5206\u6790\u529f\u80fd\uff0c\u53ef\u4ee5\u62b5\u79a6\u7121\u6a94\u6848\u5a01\u8105\u76f8\u95dc\u7684\u60e1\u610f\u8173\u672c\u3001\u6ce8\u5165\u3001\u52d2\u7d22\u75c5\u6bd2\u4ee5\u53ca\u8a18\u61b6\u9ad4\u548c\u700f\u89bd\u5668\u653b\u64ca\u3002<\/li><li>&nbsp;<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/small-business\/all-products-for-smb.html\">\u8da8\u52e2\u79d1\u6280Worry-Free Business Security&nbsp;<\/a>\u2013\u5305\u542b\u884c\u70ba\u76e3\u63a7\u6280\u8853\u4f86\u5075\u6e2c\u4f7f\u7528\u8173\u672c\u7684\u7121\u6a94\u6848\u5a01\u8105\uff0c\u80fd\u5920\u5728\u60e1\u610f\u8edf\u9ad4\u4fb5\u5bb3\u7cfb\u7d71\u524d\u5148\u52a0\u4ee5\u5075\u6e2c\u4e26\u5c01\u9396\u3002<\/li><\/ul>\n\n\n\n<p><strong>\u5165\u4fb5\u6307\u6a19<\/strong><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<style>\n   table {border-collapse:collapse; table-layout:fixed; width:310px;}\n   table td {border:solid 1px ; width:100px; word-wrap:break-word;}\n   <\/style>\n\n<figure class=\"wp-block-table\"><table  class=\" table table-hover\" ><tbody><tr><td>\n  <strong>SHA-256<\/strong>\n  <\/td><td>\n  <strong>\u8da8\u52e2\u79d1\u6280\u75c5\u6bd2\u78bc\u5075\u6e2c<\/strong>\n  <\/td><\/tr><tr><td>\n  f4656a9af30e98ed2103194f798fa00fd1686618e3e62fba6b15c9959135b7be\n  <\/td><td>\n  <a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Ransom.PS1.NETWALKER.B\">Ransom.PS1.NETWALKER.B<\/a>\n  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>@\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/netwalker-fileless-ransomware-injected-via-reflective-loading\/\">Netwalker\nFileless Ransomware Injected via Reflective Loading<\/a> \u4f5c\u8005\uff1aKaren Victor\uff08<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/author\/trend-micro\/\">\u8da8\u52e2\u79d1\u6280<\/a>\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u99ed\u5ba2\u6703\u4e0d\u505c\u5730\u5275\u9020\u66f4\u52a0\u5148\u9032\u7684\u624b\u6cd5\u4f86\u8b93\u60e1\u610f\u8edf\u9ad4\u8eb2\u907f\u9632\u79a6\u3002\u8da8\u52e2\u79d1\u6280\u770b\u5230Netwalker\u52d2\u7d22\u75c5\u6bd2 (\u52d2\u7d22\u8edf\u9ad4\/\u7d81\u67b6\u75c5 [&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":[2266,3441],"tags":[2559,3297],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/64417"}],"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=64417"}],"version-history":[{"count":7,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/64417\/revisions"}],"predecessor-version":[{"id":64518,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/64417\/revisions\/64518"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=64417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=64417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=64417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}