{"id":77723,"date":"2026-02-25T10:10:11","date_gmt":"2026-02-25T02:10:11","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77723.html"},"modified":"2026-02-25T10:10:11","modified_gmt":"2026-02-25T02:10:11","slug":"%e5%9f%ba%e4%ba%8e%e8%a1%8c%e4%b8%ba%e7%89%b9%e5%be%81%e4%b8%8e%e5%8a%a8%e6%80%81%e6%b2%99%e7%ae%b1%e7%9a%84asyncrat%e5%8f%98%e7%a7%8d%e6%a3%80%e6%b5%8b%e5%8f%8a%e9%98%b2%e5%be%a1%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77723.html","title":{"rendered":"\u57fa\u4e8e\u884c\u4e3a\u7279\u5f81\u4e0e\u52a8\u6001\u6c99\u7bb1\u7684AsyncRAT\u53d8\u79cd\u68c0\u6d4b\u53ca\u9632\u5fa1\u673a\u5236\u7814\u7a76"},"content":{"rendered":"

\u6458\u8981<\/p>\n

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\"\"<\/p>\n

1 \u5f15\u8a00<\/p>\n

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\"\"<\/p>\n

2 AsyncRAT\u65b0\u53d8\u79cd\u7684\u6280\u672f\u67b6\u6784\u4e0e evasion \u7b56\u7565\u5206\u6790<\/p>\n

\u8981\u6709\u6548\u9632\u5fa1AsyncRAT，\u9996\u5148\u5fc5\u987b\u5bf9\u5176\u65b0\u53d8\u79cd\u7684\u5185\u90e8\u67b6\u6784\u53ca\u9003\u907f\u68c0\u6d4b（Evasion）\u7b56\u7565\u8fdb\u884c\u6df1\u5ea6\u9006\u5411\u5206\u6790\u3002\u901a\u8fc7\u5bf9\u8fd1\u671f\u622a\u83b7\u7684\u6837\u672c\u8fdb\u884c\u62c6\u89e3，\u53ef\u4ee5\u53d1\u73b0\u653b\u51fb\u8005\u5728\u4ee3\u7801\u6df7\u6dc6\u3001\u8f7d\u8377\u6295\u9012\u53ca\u901a\u4fe1\u9690\u853d\u6027\u4e09\u4e2a\u65b9\u9762\u8fdb\u884c\u4e86\u663e\u8457\u5347\u7ea7\u3002<\/p>\n

2.1 \u591a\u5c42\u6df7\u6dc6\u4e0e\u53cd\u5c04\u5f0f\u52a0\u8f7d\u673a\u5236<\/p>\n

\u65b0\u53d8\u79cdAsyncRAT\u6700\u663e\u8457\u7684\u7279\u5f81\u662f\u5176\u590d\u6742\u7684\u542f\u52a8\u5668（Stub）\u8bbe\u8ba1\u3002\u4f20\u7edf\u7684.NET\u6076\u610f\u8f6f\u4ef6\u5f80\u5f80\u76f4\u63a5\u7f16\u8bd1\u4e3a\u53ef\u6267\u884c\u6587\u4ef6，\u5bb9\u6613\u88ab\u9759\u6001\u5206\u6790\u5de5\u5177\u8bc6\u522b\u3002\u800c\u65b0\u53d8\u79cd\u901a\u5e38\u91c7\u7528\u201c\u52a0\u58f3+\u53cd\u5c04\u52a0\u8f7d\u201d\u7684\u7ec4\u5408\u62f3\u3002<\/p>\n

\u9996\u5148，\u653b\u51fb\u8005\u4f7f\u7528\u5546\u4e1a\u7ea7\u6216\u81ea\u5b9a\u4e49\u7684\u6df7\u6dc6\u5668（\u5982ConfuserEx\u7684\u4fee\u6539\u7248）\u5bf9\u4e3b\u7a0b\u5e8f\u96c6\u8fdb\u884c\u5904\u7406\u3002\u8fd9\u4e0d\u4ec5\u5305\u62ec\u91cd\u547d\u540d\u6240\u6709\u7c7b\u578b\u3001\u65b9\u6cd5\u548c\u53d8\u91cf\u4e3a\u65e0\u610f\u4e49\u5b57\u7b26，\u8fd8\u6d89\u53ca\u63a7\u5236\u6d41\u5e73\u5766\u5316（Control Flow Flattening），\u5c06\u7ebf\u6027\u7684\u6267\u884c\u903b\u8f91\u8f6c\u6362\u4e3a\u590d\u6742\u7684\u72b6\u6001\u673a\u8df3\u8f6c，\u4f7f\u5f97\u53cd\u7f16\u8bd1\u5de5\u5177\u96be\u4ee5\u8fd8\u539f\u539f\u59cb\u903b\u8f91\u3002\u5176\u6b21，\u5b57\u7b26\u4e32\u8d44\u6e90\u88ab\u9ad8\u5f3a\u5ea6\u52a0\u5bc6（\u5982AES-256），\u4ec5\u5728\u8fd0\u884c\u65f6\u6309\u9700\u89e3\u5bc6，\u963b\u65ad\u4e86\u57fa\u4e8e\u5173\u952e\u8bcd（\u5982"Keylogger"\u3001"Screenshot"）\u7684\u9759\u6001\u626b\u63cf\u3002<\/p>\n

\u66f4\u4e3a\u5173\u952e\u7684\u662f\u53cd\u5c04\u5f0f\u52a0\u8f7d\u6280\u672f\u7684\u5e94\u7528\u3002\u6076\u610f\u8f7d\u8377\u4e0d\u518d\u4ee5\u72ec\u7acb\u7684PE\u6587\u4ef6\u5f62\u5f0f\u5b58\u5728\u4e8e\u78c1\u76d8\u4e0a，\u800c\u662f\u88ab\u52a0\u5bc6\u540e\u5d4c\u5165\u5230\u5bbf\u4e3b\u7a0b\u5e8f（\u5982\u4f2a\u88c5\u7684Word\u6587\u6863\u6216\u5408\u6cd5\u7684PDF\u9605\u8bfb\u5668\u5b89\u88c5\u5305）\u7684\u8d44\u6e90\u6bb5\u4e2d\u3002\u5f53\u5bbf\u4e3b\u7a0b\u5e8f\u88ab\u6267\u884c\u65f6，\u4e00\u6bb5\u7cbe\u5fc3\u6784\u9020\u7684PowerShell\u811a\u672c\u6216.NET\u5f15\u5bfc\u4ee3\u7801\u4f1a\u8bfb\u53d6\u8be5\u8d44\u6e90，\u5728\u5185\u5b58\u4e2d\u89e3\u5bc6，\u5e76\u5229\u7528System.Reflection.Assembly.Load\u65b9\u6cd5\u76f4\u63a5\u5c06\u7a0b\u5e8f\u96c6\u52a0\u8f7d\u5230\u5f53\u524d\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4\u4e2d\u6267\u884c\u3002\u8fd9\u79cd\u201c\u65e0\u6587\u4ef6\u201d\u843d\u5730\u65b9\u5f0f\u5f7b\u5e95\u89c4\u907f\u4e86\u57fa\u4e8e\u6587\u4ef6\u7cfb\u7edf\u76d1\u63a7\u7684\u4f20\u7edf\u9632\u75c5\u6bd2\u8f6f\u4ef6\u3002<\/p>\n<\/p>\n

\"\"<\/p>\n

2.2 \u5229\u7528\u5408\u6cd5\u7cfb\u7edf\u5de5\u5177（LOLBins）\u8fdb\u884c\u4ee3\u7406\u6267\u884c<\/p>\n

\u4e3a\u4e86\u8fdb\u4e00\u6b65\u9690\u85cf\u884c\u8e2a，\u65b0\u53d8\u79cd\u79ef\u6781\u5229\u7528Windows\u64cd\u4f5c\u7cfb\u7edf\u81ea\u5e26\u7684\u5408\u6cd5\u5de5\u5177（Living off the Land Binaries, LOLBins）\u4f5c\u4e3a\u4ee3\u7406\u6267\u884c\u8f7d\u4f53\u3002\u5e38\u89c1\u7684\u573a\u666f\u5305\u62ec：<\/p>\n

MSBuild\u6ee5\u7528：\u653b\u51fb\u8005\u5c06\u6076\u610fC#\u4ee3\u7801\u5c01\u88c5\u5728XML\u9879\u76ee\u6587\u4ef6\u4e2d，\u8c03\u7528msbuild.exe\u8fdb\u884c\u7f16\u8bd1\u548c\u6267\u884c\u3002\u7531\u4e8eMSBuild\u662f\u5f00\u53d1\u4eba\u5458\u5e38\u7528\u7684\u6784\u5efa\u5de5\u5177，\u5176\u7f51\u7edc\u8fde\u63a5\u548c\u8fdb\u7a0b\u521b\u5efa\u884c\u4e3a\u5f80\u5f80\u88ab\u89c6\u4e3a\u6b63\u5e38，\u6781\u6613\u7ed5\u8fc7\u5e94\u7528\u767d\u540d\u5355\u7b56\u7565\u3002<\/p>\n

InstallUtil\u7ed5\u8fc7：\u5229\u7528installutil.exe\u5b89\u88c5\u7a0b\u5e8f\u7684\u6784\u9020\u51fd\u6570\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002<\/p>\n

RegSvcs\/RegAsm\u4ee3\u7406：\u901a\u8fc7\u6ce8\u518c.NET\u7a0b\u5e8f\u96c6\u7684\u8fc7\u7a0b\u89e6\u53d1\u6076\u610f\u8d1f\u8f7d\u3002<\/p>\n

\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d，AsyncRAT\u7684\u6838\u5fc3\u903b\u8f91\u88ab\u62c6\u89e3\u5e76\u5d4c\u5165\u5230\u770b\u4f3c\u5408\u6cd5\u7684\u811a\u672c\u6216\u914d\u7f6e\u6587\u4ef6\u4e2d，\u4f7f\u5f97\u7236\u8fdb\u7a0b\u663e\u793a\u4e3a\u53ef\u4fe1\u7684\u7cfb\u7edf\u7ec4\u4ef6，\u6781\u5927\u5730\u5e72\u6270\u4e86\u57fa\u4e8e\u8fdb\u7a0b\u6811\u7684\u884c\u4e3a\u5206\u6790\u3002<\/p>\n

2.3 \u81ea\u9002\u5e94\u901a\u4fe1\u4e0e\u53cd\u6c99\u7bb1\u673a\u5236<\/p>\n

\u5728\u547d\u4ee4\u4e0e\u63a7\u5236（C2）\u901a\u4fe1\u65b9\u9762，\u65b0\u53d8\u79cd\u6452\u5f03\u4e86\u65e9\u671f\u7684\u660e\u6587HTTP\u534f\u8bae，\u8f6c\u800c\u91c7\u7528\u57fa\u4e8eTCP\u7684\u81ea\u5b9a\u4e49\u52a0\u5bc6\u534f\u8bae\u6216\u4f2a\u88c5\u6210HTTPS\u6d41\u91cf\u3002\u901a\u4fe1\u8f7d\u8377\u7ecf\u8fc7XOR\u6216\u591a\u5c42\u52a0\u5bc6\u5904\u7406，\u4e14\u6570\u636e\u5305\u7ed3\u6784\u5177\u6709\u9ad8\u5ea6\u968f\u673a\u6027，\u96be\u4ee5\u901a\u8fc7\u6df1\u5ea6\u5305\u68c0\u6d4b（DPI）\u8bc6\u522b\u3002\u6b64\u5916，\u90e8\u5206\u53d8\u79cd\u5f00\u59cb\u652f\u6301\u901a\u8fc7Telegram Bot API\u3001Discord Webhook\u751a\u81f3\u5408\u6cd5\u7684\u4e91\u5b58\u50a8\u540c\u6b65\u63a5\u53e3（\u5982Google Drive API）\u4f5c\u4e3aC2\u901a\u9053，\u5229\u7528\u77e5\u540d\u57df\u540d\u7684\u4fe1\u8a89\u5ea6\u6765\u89c4\u907f\u9632\u706b\u5899\u62e6\u622a\u3002<\/p>\n

\u9488\u5bf9\u5b89\u5168\u7814\u7a76\u4eba\u5458\u5e38\u7528\u7684\u81ea\u52a8\u5316\u6c99\u7bb1\u73af\u5883，\u65b0\u53d8\u79cd\u5185\u7f6e\u4e86\u591a\u7ef4\u5ea6\u7684\u73af\u5883\u611f\u77e5\u903b\u8f91：<\/p>\n

\u786c\u4ef6\u6307\u7eb9\u68c0\u67e5：\u68c0\u6d4bCPU\u6838\u5fc3\u6570\u3001\u5185\u5b58\u5927\u5c0f\u3001\u786c\u76d8\u5bb9\u91cf\u662f\u5426\u4f4e\u4e8e\u771f\u5b9e\u7528\u6237\u73af\u5883\u7684\u9608\u503c（\u4f8b\u5982，\u6c99\u7bb1\u901a\u5e38\u914d\u7f6e\u4e3a1\u68381GB\u5185\u5b58）\u3002<\/p>\n

\u8fdb\u7a0b\u4e0e\u7a97\u53e3\u679a\u4e3e：\u626b\u63cf\u662f\u5426\u5b58\u5728\u5df2\u77e5\u6c99\u7bb1\u8fdb\u7a0b（\u5982vmtoolsd.exe\u3001sandboxie）\u6216\u7279\u5b9a\u7684\u8c03\u8bd5\u7a97\u53e3\u6807\u9898\u3002<\/p>\n

\u7528\u6237\u4ea4\u4e92\u6a21\u62df\u68c0\u6d4b：\u76d1\u6d4b\u9f20\u6807\u79fb\u52a8\u8f68\u8ff9\u548c\u952e\u76d8\u8f93\u5165\u9891\u7387，\u82e5\u5728\u542f\u52a8\u540e\u7684\u4e00\u6bb5\u65f6\u95f4\u5185\u65e0\u4efb\u4f55\u7528\u6237\u4ea4\u4e92，\u5219\u5224\u5b9a\u4e3a\u6c99\u7bb1\u73af\u5883\u5e76\u8fdb\u5165\u4f11\u7720\u6216\u81ea\u6bc1\u72b6\u6001\u3002<\/p>\n

\u65f6\u95f4\u52a0\u901f\u68c0\u6d4b：\u901a\u8fc7\u5bf9\u6bd4API\u8c03\u7528\u65f6\u95f4\u6233\u4e0e\u5b9e\u9645\u6d41\u901d\u65f6\u95f4，\u8bc6\u522b\u6c99\u7bb1\u7684\u65f6\u95f4\u52a0\u901f\u673a\u5236\u3002<\/p>\n

2.4 \u6301\u4e45\u5316\u4e0e\u6743\u9650\u7ef4\u6301<\/p>\n

\u4e00\u65e6\u6210\u529f\u690d\u5165，AsyncRAT\u4f1a\u901a\u8fc7\u591a\u79cd\u624b\u6bb5\u5b9e\u73b0\u6301\u4e45\u5316\u9a7b\u7559\u3002\u9664\u4e86\u4f20\u7edf\u7684\u6ce8\u518c\u8868\u542f\u52a8\u9879（Run Keys）\u548c\u8ba1\u5212\u4efb\u52a1\u5916，\u65b0\u53d8\u79cd\u66f4\u503e\u5411\u4e8e\u5229\u7528WMI（Windows Management Instrumentation）\u4e8b\u4ef6\u8ba2\u9605\u3002\u901a\u8fc7\u521b\u5efa\u6c38\u4e45\u7684\u4e8b\u4ef6\u6d88\u8d39\u8005（Event Consumer），\u653b\u51fb\u8005\u53ef\u4ee5\u8bbe\u5b9a\u5728\u7279\u5b9a\u7cfb\u7edf\u4e8b\u4ef6（\u5982\u7528\u6237\u767b\u5f55\u3001\u8fdb\u7a0b\u542f\u52a8）\u89e6\u53d1\u65f6\u81ea\u52a8\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u9690\u853d\u6027\u5f3a，\u800c\u4e14\u96be\u4ee5\u901a\u8fc7\u5e38\u89c4\u7684\u542f\u52a8\u9879\u7ba1\u7406\u5de5\u5177\u53d1\u73b0\u3002\u6b64\u5916，\u6076\u610f\u8f6f\u4ef6\u8fd8\u4f1a\u5c1d\u8bd5\u7981\u7528Windows Defender\u5b9e\u65f6\u4fdd\u62a4\u3001\u6e05\u9664\u4e8b\u4ef6\u65e5\u5fd7（Security\u3001System\u3001Application），\u4ee5\u6d88\u9664\u5165\u4fb5\u75d5\u8ff9\u3002<\/p>\n

3 \u73b0\u6709\u9632\u5fa1\u4f53\u7cfb\u7684\u5c40\u9650\u6027\u4e0e\u6311\u6218<\/p>\n

\u5c3d\u7ba1\u4f01\u4e1a\u666e\u904d\u90e8\u7f72\u4e86\u4e0b\u4e00\u4ee3\u9632\u706b\u5899（NGFW）\u3001\u7aef\u70b9\u9632\u62a4\u5e73\u53f0（EPP）\u53ca\u57fa\u7840\u7684EDR\u7cfb\u7edf，\u4f46\u5728\u9762\u5bf9AsyncRAT\u65b0\u53d8\u79cd\u65f6，\u8fd9\u4e9b\u9632\u5fa1\u63aa\u65bd\u4ecd\u66b4\u9732\u51fa\u660e\u663e\u7684\u77ed\u677f\u3002<\/p>\n

3.1 \u9759\u6001\u7279\u5f81\u5339\u914d\u7684\u5931\u6548<\/p>\n

\u4f20\u7edf\u7684\u9632\u75c5\u6bd2\u8f6f\u4ef6\u4e3b\u8981\u4f9d\u8d56\u6587\u4ef6\u54c8\u5e0c（MD5\/SHA256）\u548c\u5b57\u8282\u5e8f\u5217\u7279\u5f81\u8fdb\u884c\u68c0\u6d4b\u3002\u7136\u800c，AsyncRAT\u7684\u5f00\u6e90\u7279\u6027\u4f7f\u5f97\u653b\u51fb\u8005\u53ef\u4ee5\u8f7b\u6613\u4fee\u6539\u6e90\u4ee3\u7801，\u91cd\u65b0\u7f16\u8bd1\u751f\u6210\u5177\u6709\u5168\u65b0\u54c8\u5e0c\u503c\u7684\u53d8\u79cd\u3002\u52a0\u4e4b\u591a\u5c42\u6df7\u6dc6\u6280\u672f\u7684\u5e7f\u6cdb\u5e94\u7528，\u4f7f\u5f97\u57fa\u4e8e\u5b57\u8282\u7801\u7684YARA\u89c4\u5219\u96be\u4ee5\u63d0\u53d6\u51fa\u7a33\u5b9a\u4e14\u901a\u7528\u7684\u7279\u5f81\u6a21\u5f0f\u3002\u5b9e\u9a8c\u8868\u660e，\u5bf9\u4e8e\u7ecf\u8fc7\u6df1\u5ea6\u6df7\u6dc6\u7684AsyncRAT\u65b0\u6837\u672c，\u4e3b\u6d41\u6740\u6bd2\u5f15\u64ce\u7684\u68c0\u51fa\u7387\u5f80\u5f80\u4e0d\u8db340%\u3002<\/p>\n

3.2 \u884c\u4e3a\u76d1\u63a7\u7684\u76f2\u533a\u4e0e\u8bef\u62a5<\/p>\n

\u867d\u7136EDR\u7cfb\u7edf\u5f15\u5165\u4e86\u884c\u4e3a\u76d1\u63a7\u80fd\u529b，\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u9762\u4e34\u4e24\u96be\u56f0\u5883：\u82e5\u7b56\u7565\u8fc7\u4e8e\u4e25\u683c，\u6781\u6613\u5c06\u6b63\u5e38\u7684IT\u8fd0\u7ef4\u64cd\u4f5c（\u5982\u7ba1\u7406\u5458\u4f7f\u7528PowerShell\u8fdb\u884c\u6279\u91cf\u90e8\u7f72）\u8bef\u5224\u4e3a\u653b\u51fb，\u5bfc\u81f4\u4e1a\u52a1\u4e2d\u65ad；\u82e5\u7b56\u7565\u8fc7\u4e8e\u5bbd\u677e，\u5219\u65e0\u6cd5\u6355\u6349\u5230\u5229\u7528LOLBins\u8fdb\u884c\u7684\u7cbe\u7ec6\u5316\u653b\u51fb\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u53cd\u5c04\u5f0f\u52a0\u8f7d\u548c\u5185\u5b58\u6ce8\u5165\u6280\u672f，\u8bb8\u591a\u8f7b\u91cf\u7ea7EDR\u4ee3\u7406\u7f3a\u4e4f\u6df1\u5ea6\u7684\u5185\u5b58\u626b\u63cf\u80fd\u529b，\u65e0\u6cd5\u68c0\u6d4b\u5230\u9690\u85cf\u5728\u5408\u6cd5\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5185\u7684\u6076\u610f\u4ee3\u7801\u6bb5\u3002<\/p>\n

3.3 \u52a0\u5bc6\u6d41\u91cf\u68c0\u6d4b\u7684\u56f0\u5883<\/p>\n

\u968f\u7740TLS 1.3\u7684\u666e\u53ca\u53ca\u81ea\u5b9a\u4e49\u52a0\u5bc6\u534f\u8bae\u7684\u91c7\u7528，\u7f51\u7edc\u5c42\u9762\u7684\u6d41\u91cf\u5206\u6790\u53d8\u5f97\u6108\u53d1\u56f0\u96be\u3002\u4f20\u7edf\u7684\u57fa\u4e8e\u7b7e\u540d\u7684IDS\/IPS\u7cfb\u7edf\u65e0\u6cd5\u89e3\u5bc6\u548c inspect \u52a0\u5bc6\u8f7d\u8377，\u53ea\u80fd\u4f9d\u8d56\u5143\u6570\u636e（\u5982\u57df\u540d\u4fe1\u8a89\u3001IP\u5730\u7406\u4f4d\u7f6e）\u8fdb\u884c\u5224\u65ad\u3002\u7136\u800c，\u5f53\u653b\u51fb\u8005\u5229\u7528\u5408\u6cd5\u7684\u4e91\u670d\u52a1\u5e73\u53f0\u6216\u88ab\u76d7\u7528\u7684\u53ef\u4fe1\u57df\u540d\u4f5c\u4e3aC2\u8282\u70b9\u65f6，\u57fa\u4e8e\u4fe1\u8a89\u7684\u8fc7\u6ee4\u673a\u5236\u5c06\u5b8c\u5168\u5931\u6548\u3002<\/p>\n

3.4 \u5a01\u80c1\u60c5\u62a5\u7684\u6ede\u540e\u6027<\/p>\n

IOC（\u5165\u4fb5\u6307\u6807）\u7684\u751f\u547d\u5468\u671f\u6b63\u5728\u6025\u5267\u7f29\u77ed\u3002\u653b\u51fb\u8005\u91c7\u7528\u201c\u5feb\u901f_flux\u201d\u7f51\u7edc\u6280\u672f，\u9891\u7e41\u66f4\u6362C2\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u57df\u540d，\u4f7f\u5f97\u57fa\u4e8e\u9ed1\u540d\u5355\u7684\u963b\u65ad\u63aa\u65bd\u5f80\u5f80\u5728\u90e8\u7f72\u65f6\u5373\u5df2\u8fc7\u671f\u3002\u6b64\u5916，\u9488\u5bf9\u7279\u5b9a\u884c\u4e1a\u5b9a\u5236\u7684\u9493\u9c7c\u8bdd\u672f\u548c\u8f7d\u8377\u6a21\u677f，\u4f7f\u5f97\u901a\u7528\u5a01\u80c1\u60c5\u62a5\u5e93\u96be\u4ee5\u8986\u76d6\u6240\u6709\u653b\u51fb\u573a\u666f\u3002<\/p>\n

4 \u57fa\u4e8e\u591a\u7ef4\u884c\u4e3a\u7279\u5f81\u7684\u52a8\u6001\u68c0\u6d4b\u67b6\u6784\u8bbe\u8ba1<\/p>\n

\u9488\u5bf9\u4e0a\u8ff0\u6311\u6218，\u672c\u6587\u63d0\u51fa\u4e00\u79cd\u57fa\u4e8e\u591a\u7ef4\u884c\u4e3a\u7279\u5f81\u7684\u52a8\u6001\u68c0\u6d4b\u67b6\u6784\u3002\u8be5\u67b6\u6784\u4e0d\u4f9d\u8d56\u4e8e\u5355\u4e00\u7684\u6587\u4ef6\u7279\u5f81，\u800c\u662f\u805a\u7126\u4e8e\u653b\u51fb\u94fe\u4e2d\u7684\u884c\u4e3a\u5e8f\u5217\u3001\u7cfb\u7edf\u8c03\u7528\u6a21\u5f0f\u53ca\u7f51\u7edc\u901a\u4fe1\u5f02\u5e38，\u65e8\u5728\u5b9e\u73b0\u5bf9\u672a\u77e5\u53d8\u79cd\u7684\u6709\u6548\u8bc6\u522b\u3002<\/p>\n

4.1 \u9759\u6001\u542f\u53d1\u5f0f\u4e0e\u5143\u6570\u636e\u5206\u6790\u5c42<\/p>\n

\u5728\u6587\u4ef6\u6267\u884c\u524d，\u9996\u5148\u8fdb\u884c\u6df1\u5ea6\u7684\u9759\u6001\u542f\u53d1\u5f0f\u5206\u6790\u3002\u9664\u4e86\u5e38\u89c4\u7684\u71b5\u503c\u8ba1\u7b97（\u68c0\u6d4b\u52a0\u58f3）\u5916，\u91cd\u70b9\u5206\u6790.NET\u7a0b\u5e8f\u96c6\u7684\u5143\u6570\u636e\u7279\u5f81：<\/p>\n

\u5165\u53e3\u70b9\u5f02\u5e38：\u68c0\u67e5\u7a0b\u5e8f\u7684\u5165\u53e3\u70b9（Entry Point）\u662f\u5426\u6307\u5411\u975e\u6807\u51c6\u7684\u8d44\u6e90\u52a0\u8f7d\u51fd\u6570\u3002<\/p>\n

\u5f15\u7528\u5e93\u5206\u6790：\u7edf\u8ba1\u7a0b\u5e8f\u5f15\u7528\u7684\u547d\u540d\u7a7a\u95f4，\u82e5\u53d1\u73b0\u5927\u91cf\u6d89\u53ca\u7f51\u7edc\u901a\u4fe1\u3001\u8fdb\u7a0b\u64cd\u4f5c\u3001\u952e\u76d8\u94a9\u5b50（System.Windows.Forms.SendKeys）\u53ca\u5185\u5b58\u64cd\u4f5c\u7684\u7ec4\u5408，\u5219\u6807\u8bb0\u4e3a\u53ef\u7591\u3002<\/p>\n

\u5b57\u7b26\u4e32\u71b5\u4e0e\u89e3\u7801\u6a21\u62df：\u5bf9\u9ad8\u71b5\u5b57\u7b26\u4e32\u533a\u57df\u8fdb\u884c\u6a21\u62df\u89e3\u7801，\u5c1d\u8bd5\u8fd8\u539f\u6f5c\u5728\u7684URL\u3001IP\u5730\u5740\u53ca\u654f\u611fAPI\u540d\u79f0\u3002<\/p>\n

4.2 \u52a8\u6001\u6c99\u7bb1\u4e0eAPI\u8c03\u7528\u94fe\u76d1\u63a7\u5c42<\/p>\n

\u6784\u5efa\u9ad8\u4fdd\u771f\u7684\u52a8\u6001\u6c99\u7bb1\u73af\u5883，\u6a21\u62df\u771f\u5b9e\u7528\u6237\u4ea4\u4e92\u4ee5\u7ed5\u8fc7\u53cd\u6c99\u7bb1\u68c0\u6d4b\u3002\u5728\u6c99\u7bb1\u8fd0\u884c\u8fc7\u7a0b\u4e2d，\u91cd\u70b9\u76d1\u63a7\u4ee5\u4e0b\u884c\u4e3a\u5e8f\u5217：<\/p>\n

\u8fdb\u7a0b\u6ce8\u5165\u68c0\u6d4b：\u76d1\u63a7VirtualAllocEx\u3001WriteProcessMemory\u3001CreateRemoteThread\u7b49API\u7684\u8c03\u7528，\u7279\u522b\u662f\u5f53\u76ee\u6807\u8fdb\u7a0b\u4e3a\u7cfb\u7edf\u5173\u952e\u8fdb\u7a0b\u65f6\u3002<\/p>\n

\u53cd\u5c04\u52a0\u8f7d\u8ffd\u8e2a：\u62e6\u622aAssembly.Load\u3001MethodBase.Invoke\u7b49.NET\u53cd\u5c04API\u7684\u8c03\u7528，\u8bb0\u5f55\u52a0\u8f7d\u7684\u7a0b\u5e8f\u96c6\u5b57\u8282\u6d41\u5e76\u8fdb\u884c\u4e8c\u6b21\u5206\u6790\u3002<\/p>\n

LOLBins\u884c\u4e3a\u57fa\u7ebf：\u5efa\u7acbMSBuild\u3001InstallUtil\u7b49\u5de5\u5177\u7684\u6b63\u5e38\u4f7f\u7528\u57fa\u7ebf，\u4e00\u65e6\u53d1\u73b0\u5176\u542f\u52a8\u4e86\u7f51\u7edc\u8fde\u63a5\u6216\u521b\u5efa\u4e86\u5b50\u8fdb\u7a0b，\u7acb\u5373\u89e6\u53d1\u544a\u8b66\u3002<\/p>\n

\u6301\u4e45\u5316\u64cd\u4f5c\u5ba1\u8ba1：\u5b9e\u65f6\u76d1\u63a7\u6ce8\u518c\u8868\u654f\u611f\u952e\u503c\u5199\u5165\u3001\u8ba1\u5212\u4efb\u52a1\u521b\u5efa\u53caWMI\u4e8b\u4ef6\u8ba2\u9605\u884c\u4e3a\u3002<\/p>\n

4.3 \u7f51\u7edc\u6d41\u91cf\u8bed\u4e49\u5206\u6790\u5c42<\/p>\n

\u5728\u7f51\u7edc\u5c42\u9762，\u5f15\u5165\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u6d41\u91cf\u8bed\u4e49\u5206\u6790\u6a21\u578b\u3002\u4e0d\u4f9d\u8d56\u89e3\u5bc6\u5185\u5bb9，\u800c\u662f\u901a\u8fc7\u5206\u6790\u6570\u636e\u5305\u7684\u65f6\u5e8f\u7279\u5f81\u3001\u5305\u957f\u5206\u5e03\u53ca\u63e1\u624b\u6a21\u5f0f\u6765\u8bc6\u522b\u5f02\u5e38\u3002<\/p>\n

\u5fc3\u8df3\u5305\u7279\u5f81\u8bc6\u522b：AsyncRAT\u901a\u5e38\u4f1a\u4ee5\u56fa\u5b9a\u95f4\u9694\u53d1\u9001\u5fc3\u8df3\u5305\u3002\u901a\u8fc7\u5206\u6790\u6d41\u51fa\u6d41\u91cf\u7684\u5468\u671f\u6027，\u53ef\u8bc6\u522b\u51fa\u7591\u4f3cC2\u901a\u4fe1\u3002<\/p>\n

DNS\u8bf7\u6c42\u5f02\u5e38：\u76d1\u63a7\u5bf9\u65b0\u751f\u6210\u57df\u540d（DGA）\u6216\u9ad8\u9891\u5b50\u57df\u53d8\u6362\u7684DNS\u8bf7\u6c42\u3002<\/p>\n

JA3\/JA4\u6307\u7eb9\u5339\u914d：\u63d0\u53d6TLS\u5ba2\u6237\u7aefHello\u5305\u7684\u6307\u7eb9\u7279\u5f81，\u4e0e\u5df2\u77e5\u6076\u610f\u8f6f\u4ef6\u7684\u6307\u7eb9\u5e93\u8fdb\u884c\u6bd4\u5bf9，\u8bc6\u522b\u4f2a\u88c5\u7684C2\u901a\u4fe1\u3002<\/p>\n

4.4 \u7aef\u70b9\u9065\u6d4b\u6570\u636e\u5173\u8054\u5206\u6790<\/p>\n

\u5229\u7528EDR\u91c7\u96c6\u7684\u5168\u91cf\u9065\u6d4b\u6570\u636e，\u6784\u5efa\u8de8\u8fdb\u7a0b\u3001\u8de8\u65f6\u95f4\u7684\u653b\u51fb\u56fe\u8c31\u3002\u5c06\u5206\u6563\u7684\u4e8b\u4ef6（\u5982：Word\u8fdb\u7a0b\u542f\u52a8PowerShell -> PowerShell\u4e0b\u8f7d\u6587\u4ef6 -> \u6587\u4ef6\u6ce8\u5165svchost -> svchost\u53d1\u8d77\u5916\u8fde）\u5173\u8054\u8d77\u6765，\u8fd8\u539f\u5b8c\u6574\u7684\u653b\u51fb\u6740\u4f24\u94fe（Kill Chain）\u3002\u901a\u8fc7\u56fe\u795e\u7ecf\u7f51\u7edc（GNN）\u7b97\u6cd5，\u8bc6\u522b\u51fa\u7b26\u5408AsyncRAT\u653b\u51fb\u6a21\u5f0f\u7684\u5b50\u56fe\u7ed3\u6784，\u4ece\u800c\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u7684\u68c0\u6d4b\u3002<\/p>\n

5 \u5173\u952e\u6280\u672f\u5b9e\u73b0\u4e0e\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u4e3a\u9a8c\u8bc1\u4e0a\u8ff0\u67b6\u6784\u7684\u53ef\u884c\u6027，\u672c\u8282\u63d0\u4f9b\u6838\u5fc3\u68c0\u6d4b\u6a21\u5757\u7684\u4ee3\u7801\u5b9e\u73b0\u793a\u4f8b\u3002\u8fd9\u4e9b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5229\u7528Python\u53caWindows API\u6784\u5efa\u539f\u578b\u7cfb\u7edf，\u5b9e\u73b0\u5bf9AsyncRAT\u5173\u952e\u884c\u4e3a\u7684\u6355\u83b7\u4e0e\u5206\u6790\u3002<\/p>\n

5.1 \u57fa\u4e8eETW\u7684.NET\u53cd\u5c04\u52a0\u8f7d\u76d1\u63a7<\/p>\n

\u5229\u7528Windows Event Tracing (ETW) \u6280\u672f，\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7.NET\u7a0b\u5e8f\u7684\u7a0b\u5e8f\u96c6\u52a0\u8f7d\u4e8b\u4ef6\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u8ba2\u9605Microsoft-Windows-DotNETRuntime\u63d0\u4f9b\u8005，\u6355\u83b7\u6f5c\u5728\u7684\u53cd\u5c04\u52a0\u8f7d\u884c\u4e3a\u3002<\/p>\n

import etw<\/p>\n

import json<\/p>\n

from datetime import datetime<\/p>\n

# \u5b9a\u4e49\u9700\u8981\u76d1\u63a7\u7684ETW Provider<\/p>\n

providers = [<\/p>\n

('Microsoft-Windows-DotNETRuntime', etw.TRACE_LEVEL_INFORMATION,<\/p>\n

[0x4001000000000001]) # \u542f\u7528AssemblyLoad\u4e8b\u4ef6<\/p>\n

]<\/p>\n

def process_event(event_id, event_name, timestamp, fields):<\/p>\n

"""<\/p>\n

\u5904\u7406ETW\u4e8b\u4ef6，\u7b5b\u9009\u53ef\u7591\u7684\u7a0b\u5e8f\u96c6\u52a0\u8f7d\u884c\u4e3a<\/p>\n

"""<\/p>\n

if event_name == 'AssemblyLoad':<\/p>\n

assembly_name = fields.get('AssemblyName', '')<\/p>\n

app_domain_id = fields.get('AppDomainID', '')<\/p>\n

# \u542f\u53d1\u5f0f\u89c4\u5219：\u68c0\u6d4b\u52a8\u6001\u751f\u6210\u7684\u7a0b\u5e8f\u96c6\u540d\u79f0\u6216\u65e0\u540d\u79f0\u7a0b\u5e8f\u96c6<\/p>\n

# AsyncRAT\u5e38\u4f7f\u7528\u968f\u673a\u5b57\u7b26\u4e32\u6216\u7a7a\u540d\u79f0\u8fdb\u884c\u53cd\u5c04\u52a0\u8f7d<\/p>\n

if not assembly_name or assembly_name.startswith('<Module>') or len(assembly_name) > 50:<\/p>\n

log_alert({<\/p>\n

'type': 'SUSPICIOUS_ASSEMBLY_LOAD',<\/p>\n

'timestamp': datetime.fromtimestamp(timestamp).isoformat(),<\/p>\n

'assembly_name': assembly_name,<\/p>\n

'app_domain_id': app_domain_id,<\/p>\n

'severity': 'HIGH'<\/p>\n

})<\/p>\n

# \u68c0\u6d4b\u654f\u611f\u547d\u540d\u7a7a\u95f4\u7684\u52a0\u8f7d<\/p>\n

sensitive_namespaces = ['System.Net', 'System.IO', 'Microsoft.Win32', 'System.Runtime.InteropServices']<\/p>\n

if any(ns in assembly_name for ns in sensitive_namespaces):<\/p>\n

# \u8fdb\u4e00\u6b65\u7ed3\u5408\u8fdb\u7a0b\u540d\u5224\u65ad<\/p>\n

pass<\/p>\n

def log_alert(alert_data):<\/p>\n

print(json.dumps(alert_data))<\/p>\n

# \u542f\u52a8ETW\u4f1a\u8bdd<\/p>\n

try:<\/p>\n

print("Starting ETW session to monitor .NET Assembly Loads…")<\/p>\n

with etw.ETW(providers=providers, event_id_filters=[80738]): # 80738 is AssemblyLoad ID<\/p>\n

etw.run()<\/p>\n

except KeyboardInterrupt:<\/p>\n

print("Stopping monitoring…")<\/p>\n

5.2 \u8fdb\u7a0b\u6ce8\u5165\u884c\u4e3a\u68c0\u6d4b\u811a\u672c<\/p>\n

\u8be5\u811a\u672c\u5229\u7528WMI\u548cPSUtil\u5e93，\u5b9a\u671f\u68c0\u67e5\u8fdb\u7a0b\u4e2d\u662f\u5426\u5b58\u5728\u5f02\u5e38\u7684\u5185\u5b58\u533a\u57df\u5c5e\u6027（\u5982\u540c\u65f6\u5177\u5907\u53ef\u5199\u548c\u53ef\u6267\u884c\u6743\u9650\u7684\u79c1\u6709\u5185\u5b58\u9875），\u8fd9\u662f\u4ee3\u7801\u6ce8\u5165\u7684\u5178\u578b\u7279\u5f81\u3002<\/p>\n

import psutil<\/p>\n

import ctypes<\/p>\n

from ctypes import wintypes<\/p>\n

# \u5b9a\u4e49Windows API\u5e38\u91cf<\/p>\n

MEM_COMMIT = 0x1000<\/p>\n

MEM_PRIVATE = 0x20000<\/p>\n

PAGE_EXECUTE_READWRITE = 0x40<\/p>\n

class MEMORY_BASIC_INFORMATION(ctypes.Structure):<\/p>\n

_fields_ = [<\/p>\n

("BaseAddress", ctypes.c_void_p),<\/p>\n

("AllocationBase", ctypes.c_void_p),<\/p>\n

("AllocationProtect", wintypes.DWORD),<\/p>\n

("RegionSize", ctypes.c_size_t),<\/p>\n

("State", wintypes.DWORD),<\/p>\n

("Protect", wintypes.DWORD),<\/p>\n

("Type", wintypes.DWORD)<\/p>\n

]<\/p>\n

def check_process_injection(pid):<\/p>\n

try:<\/p>\n

process = psutil.Process(pid)<\/p>\n

# \u8df3\u8fc7\u7cfb\u7edf\u5173\u952e\u8fdb\u7a0b\u4ee5\u907f\u514d\u8bef\u62a5，\u5b9e\u9645\u5e94\u7528\u4e2d\u9700\u66f4\u7ec6\u81f4\u7684\u767d\u540d\u5355<\/p>\n

if process.name() in ['svchost.exe', 'explorer.exe', 'dllhost.exe']:<\/p>\n

handle = ctypes.windll.kernel32.OpenProcess(0x001F0FFF, False, pid)<\/p>\n

if not handle:<\/p>\n

return False<\/p>\n

mbi = MEMORY_BASIC_INFORMATION()<\/p>\n

address = 0<\/p>\n

suspicious_regions = []<\/p>\n

while ctypes.windll.kernel32.VirtualQueryEx(handle, ctypes.c_void_p(address), ctypes.byref(mbi), ctypes.sizeof(mbi)):<\/p>\n

# \u68c0\u67e5\u662f\u5426\u4e3a\u79c1\u6709\u63d0\u4ea4\u5185\u5b58，\u4e14\u6743\u9650\u4e3a\u53ef\u8bfb\u53ef\u5199\u53ef\u6267\u884c<\/p>\n

if (mbi.State == MEM_COMMIT and<\/p>\n

mbi.Type == MEM_PRIVATE and<\/p>\n

mbi.Protect == PAGE_EXECUTE_READWRITE):<\/p>\n

suspicious_regions.append(hex(address))<\/p>\n

address += mbi.RegionSize<\/p>\n

ctypes.windll.kernel32.CloseHandle(handle)<\/p>\n

if suspicious_regions:<\/p>\n

return {<\/p>\n

'pid': pid,<\/p>\n

'name': process.name(),<\/p>\n

'suspicious_regions': suspicious_regions,<\/p>\n

'risk': 'CRITICAL'<\/p>\n

}<\/p>\n

except Exception as e:<\/p>\n

pass<\/p>\n

return None<\/p>\n

# \u626b\u63cf\u6240\u6709\u8fdb\u7a0b<\/p>\n

print("Scanning for injected code regions…")<\/p>\n

for proc in psutil.process_iter(['pid', 'name']):<\/p>\n

result = check_process_injection(proc.info['pid'])<\/p>\n

if result:<\/p>\n

print(f"[ALERT] Potential injection detected in PID {result['pid']} ({result['name']})")<\/p>\n

print(f"Regions: {result['suspicious_regions']}")<\/p>\n

5.3 \u57fa\u4e8e\u6d41\u91cf\u5468\u671f\u7684C2\u901a\u4fe1\u68c0\u6d4b\u7b97\u6cd5<\/p>\n

\u5229\u7528\u5085\u91cc\u53f6\u53d8\u6362（FFT）\u5206\u6790\u51fa\u7ad9\u6d41\u91cf\u7684\u65f6\u95f4\u5e8f\u5217，\u8bc6\u522b\u5177\u6709\u56fa\u5b9a\u5468\u671f\u7684\u5fc3\u8df3\u5305\u7279\u5f81\u3002<\/p>\n

import numpy as np<\/p>\n

from collections import deque<\/p>\n

class C2HeartbeatDetector:<\/p>\n

def __init__(self, window_size=100):<\/p>\n

self.window_size = window_size<\/p>\n

self.packet_times = deque(maxlen=window_size)<\/p>\n

def add_packet(self, timestamp):<\/p>\n

self.packet_times.append(timestamp)<\/p>\n

if len(self.packet_times) < self.window_size:<\/p>\n

return False<\/p>\n

# \u8ba1\u7b97\u65f6\u95f4\u95f4\u9694<\/p>\n

intervals = np.diff(list(self.packet_times))<\/p>\n

if len(intervals) < 10:<\/p>\n

return False<\/p>\n

# \u8fdb\u884c\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362<\/p>\n

fft_result = np.fft.fft(intervals)<\/p>\n

frequencies = np.fft.fftfreq(len(intervals))<\/p>\n

# \u5bfb\u627e\u663e\u8457\u7684\u4e3b\u9891\u5206\u91cf（\u6392\u9664\u76f4\u6d41\u5206\u91cf）<\/p>\n

magnitude = np.abs(fft_result[1:])<\/p>\n

max_mag_index = np.argmax(magnitude) + 1<\/p>\n

dominant_freq = frequencies[max_mag_index]<\/p>\n

# \u5982\u679c\u5b58\u5728\u663e\u8457\u7684\u4e3b\u9891，\u4e14\u5f3a\u5ea6\u8d85\u8fc7\u9608\u503c，\u5224\u5b9a\u4e3a\u5fc3\u8df3<\/p>\n

# \u8fd9\u91cc\u7684\u9608\u503c\u9700\u8981\u6839\u636e\u5b9e\u9645\u73af\u5883\u566a\u58f0\u8fdb\u884c\u8c03\u4f18<\/p>\n

if dominant_freq != 0 and magnitude[max_mag_index-1] > np.mean(magnitude) * 5:<\/p>\n

period = 1 \/ abs(dominant_freq)<\/p>\n

# AsyncRAT\u9ed8\u8ba4\u5fc3\u8df3\u901a\u5e38\u4e3a\u51e0\u79d2\u5230\u51e0\u5341\u79d2<\/p>\n

if 2.0 < period < 60.0:<\/p>\n

return True, period<\/p>\n

return False, 0<\/p>\n

# \u6a21\u62df\u6d4b\u8bd5<\/p>\n

detector = C2HeartbeatDetector()<\/p>\n

base_time = 1000.0<\/p>\n

# \u6a21\u62df\u6bcf5\u79d2\u53d1\u9001\u4e00\u4e2a\u5305<\/p>\n

for i in range(120):<\/p>\n

t = base_time + i * 5.0 + np.random.normal(0, 0.1) # \u52a0\u5165\u5c11\u91cf\u566a\u58f0<\/p>\n

is_c2, period = detector.add_packet(t)<\/p>\n

if is_c2:<\/p>\n

print(f"[ALERT] C2 Heartbeat detected! Period: {period:.2f}s")<\/p>\n

break<\/p>\n

6 \u7ed3\u8bed<\/p>\n

AsyncRAT\u6076\u610f\u8f6f\u4ef6\u65b0\u53d8\u79cd\u7684\u6d3b\u8dc3，\u6807\u5fd7\u7740\u7f51\u7edc\u653b\u51fb\u5df2\u8fdb\u5165\u9ad8\u5ea6\u81ea\u52a8\u5316\u3001\u9690\u853d\u5316\u53ca\u667a\u80fd\u5316\u7684\u65b0\u9636\u6bb5\u3002\u653b\u51fb\u8005\u901a\u8fc7\u5229\u7528\u5f00\u6e90\u5de5\u5177\u7684\u7075\u6d3b\u6027，\u7ed3\u5408\u5148\u8fdb\u7684\u6df7\u6dc6\u6280\u672f\u4e0e\u65e0\u6587\u4ef6\u653b\u51fb\u624b\u6cd5，\u6210\u529f\u6784\u5efa\u4e86\u80fd\u591f\u7ed5\u8fc7\u4f20\u7edf\u9632\u5fa1\u4f53\u7cfb\u7684\u653b\u51fb\u94fe\u6761\u3002SOC Prime\u7b49\u673a\u6784\u62ab\u9732\u7684\u653b\u51fb\u6d3b\u52a8\u8868\u660e，\u9488\u5bf9\u4f01\u4e1a\u5173\u952e\u90e8\u95e8\u7684\u5b9a\u5411\u5a01\u80c1\u6b63\u65e5\u76ca\u4e25\u5cfb，\u4efb\u4f55\u758f\u5ffd\u90fd\u53ef\u80fd\u5bfc\u81f4\u707e\u96be\u6027\u7684\u6570\u636e\u6cc4\u9732\u4e0e\u8d44\u4ea7\u635f\u5931\u3002<\/p>\n

\u672c\u6587\u7684\u7814\u7a76\u8868\u660e，\u5e94\u5bf9\u6b64\u7c7b\u5a01\u80c1\u4e0d\u80fd\u4ec5\u4f9d\u8d56\u5355\u4e00\u7684\u6280\u672f\u624b\u6bb5\u6216\u6ede\u540e\u7684\u7279\u5f81\u5e93\u66f4\u65b0，\u800c\u5fc5\u987b\u6784\u5efa\u4e00\u5957\u591a\u5c42\u6b21\u3001\u52a8\u6001\u5316\u7684\u7eb5\u6df1\u9632\u5fa1\u4f53\u7cfb\u3002\u901a\u8fc7\u6df1\u5ea6\u878d\u5408\u9759\u6001\u542f\u53d1\u5f0f\u5206\u6790\u3001\u57fa\u4e8eETW\u7684\u52a8\u6001\u884c\u4e3a\u76d1\u63a7\u3001\u5185\u5b58\u6ce8\u5165\u68c0\u6d4b\u53ca\u7f51\u7edc\u6d41\u91cf\u8bed\u4e49\u5206\u6790，\u4f01\u4e1a\u53ef\u4ee5\u6709\u6548\u6253\u7834\u653b\u51fb\u8005\u7684\u9690\u8eab\u4f2a\u88c5，\u5b9e\u73b0\u5bf9AsyncRAT\u53ca\u5176\u53d8\u79cd\u7684\u65e9\u671f\u53d1\u73b0\u4e0e\u7cbe\u51c6\u963b\u65ad\u3002\u7279\u522b\u662f\u5229\u7528\u7cfb\u7edf\u539f\u751f\u7684\u9065\u6d4b\u6570\u636e（\u5982ETW\u3001WMI）\u8fdb\u884c\u672c\u5730\u5316\u5206\u6790，\u4e0d\u4ec5\u964d\u4f4e\u4e86\u5bf9\u4e91\u7aef\u60c5\u62a5\u7684\u4f9d\u8d56，\u8fd8\u663e\u8457\u63d0\u5347\u4e86\u5bf9\u96f6\u65e5\u53d8\u79cd\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n

\u7136\u800c，\u6280\u672f\u624b\u6bb5\u5e76\u975e\u4e07\u80fd\u3002\u968f\u7740\u4eba\u5de5\u667a\u80fd\u6280\u672f\u5728\u6076\u610f\u4ee3\u7801\u751f\u6210\u4e0e\u5bf9\u6297\u4e2d\u7684\u5e94\u7528，\u672a\u6765\u7684\u653b\u51fb\u53d8\u79cd\u5c06\u66f4\u52a0\u96be\u4ee5\u9884\u6d4b\u3002\u56e0\u6b64，\u4f01\u4e1a\u5728\u90e8\u7f72\u6280\u672f\u9632\u5fa1\u7684\u540c\u65f6，\u8fd8\u9700\u6301\u7eed\u4f18\u5316\u5b89\u5168\u8fd0\u8425\u6d41\u7a0b，\u52a0\u5f3a\u7ea2\u84dd\u5bf9\u6297\u6f14\u7ec3，\u63d0\u5347\u5b89\u5168\u56e2\u961f\u5bf9\u65b0\u578b\u653b\u51fb\u624b\u6cd5\u7684\u8ba4\u77e5\u4e0e\u5904\u7f6e\u80fd\u529b\u3002\u552f\u6709\u575a\u6301\u201c\u6280\u672f\u9a71\u52a8\u3001\u6570\u636e\u8d4b\u80fd\u3001\u4eba\u673a\u534f\u540c\u201d\u7684\u5b89\u5168\u7406\u5ff5，\u65b9\u80fd\u5728\u4e0d\u65ad\u6f14\u53d8\u7684\u7f51\u7edc\u5a01\u80c1 landscape \u4e2d\u7acb\u4e8e\u4e0d\u8d25\u4e4b\u5730，\u5207\u5b9e\u4fdd\u969c\u4f01\u4e1a\u6570\u5b57\u8d44\u4ea7\u7684\u5b89\u5168\u4e0e\u4e1a\u52a1\u7684\u8fde\u7eed\u6027\u3002<\/p>\n

\u7f16\u8f91：\u82a6\u7b1b（\u516c\u5171\u4e92\u8054\u7f51\u53cd\u7f51\u7edc\u9493\u9c7c\u5de5\u4f5c\u7ec4）\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6458\u8981\u968f\u7740\u8fdc\u7a0b\u529e\u516c\u6a21\u5f0f\u7684\u5e38\u6001\u5316\u4e0e\u4f01\u4e1a\u6570\u5b57\u5316\u8f6c\u578b\u7684\u6df1\u5165，\u8fdc\u7a0b\u8bbf\u95ee\u6728\u9a6c（Remote Access Trojan, RAT）\u5df2\u6210\u4e3a\u9ad8\u7ea7\u6301\u7eed\u6027\u5a01\u80c1（APT）\u7ec4\u7ec7\u53ca\u7f51\u7edc\u72af\u7f6a\u56e2\u4f19\u7a83\u53d6\u654f\u611f\u6570\u636e\u3001\u5b9e\u65bd\u6a2a\u5411\u79fb\u52a8\u7684\u6838\u5fc3\u5de5\u5177\u3002\u5176\u4e2d，\u57fa\u4e8e.NET\u6846\u67b6\u5f00\u53d1\u7684\u5f00\u6e90\u6076\u610f\u8f6f\u4ef6AsyncRAT，\u51ed\u501f\u5176\u6a21\u5757\u5316\u67b6\u6784\u3001\u6613\u4e8e\u5b9a\u5236\u53ca\u5f3a\u5927\u7684\u514d\u6740\u80fd\u529b，\u57282025\u5e74\u5e95\u81f32026\u5e74\u521d\u5448\u73b0\u51fa\u663e\u8457\u7684\u53d8\u5f02\u4e0e\u6d3b\u8dc3\u6001\u52bf\u3002SOC<\/p>\n","protected":false},"author":2,"featured_media":77720,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[230,50,61,190,427,78,4403],"topic":[],"class_list":["post-77723","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-php","tag-50","tag-61","tag-190","tag-427","tag-78","tag-4403"],"yoast_head":"\n\u57fa\u4e8e\u884c\u4e3a\u7279\u5f81\u4e0e\u52a8\u6001\u6c99\u7bb1\u7684AsyncRAT\u53d8\u79cd\u68c0\u6d4b\u53ca\u9632\u5fa1\u673a\u5236\u7814\u7a76 - 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