{"id":929,"date":"2026-06-24T14:14:02","date_gmt":"2026-06-24T06:14:02","guid":{"rendered":"http:\/\/47.121.202.229\/?p=929"},"modified":"2026-06-25T16:43:39","modified_gmt":"2026-06-25T08:43:39","slug":"%e6%81%b6%e6%84%8f%e4%bb%a3%e7%a0%81%e5%88%86%e6%9e%90%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"http:\/\/47.121.202.229\/?p=929","title":{"rendered":"\u6076\u610f\u4ee3\u7801\u5206\u6790\u5165\u95e8\uff08\u4e00\uff09\u9759\u6001\u5206\u6790"},"content":{"rendered":"\n

\u9879\u76ee\u5730\u5740\uff1aHuskyHacks\/PMAT-labs: Labs for Practical Malware Analysis & Triage<\/a><\/p>\n\n\n\n

mikesiko\/PracticalMalwareAnalysis-Labs: Binaries for the book Practical Malware Analysis<\/a><\/p>\n\n\n\n

\u4efb\u52a1\u4e00<\/h2>\n\n\n\n

PMAT-labs\u6837\u672c<\/h3>\n\n\n\n

SHA1<\/p>\n\n\n\n

certutil -hashfile \u6837\u672c\u6587\u4ef6\u540d.exe<\/code><\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e24\u4e2a\u7b7e\u540d\u503c\uff1a<\/p>\n\n\n\n

a5adb98b5bc49dc3f9f060b2d65e9e264ed2b05f<\/p>\n\n\n\n

f7bc8beb30e9673d8fc4f6363eab07094ed35b59<\/p>\n\n\n\n

MD5<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e24\u4e2a\u7b7e\u540d\u503c\uff1a<\/p>\n\n\n\n

39f15ed00a66cc10efb238b7931ae4a8<\/p>\n\n\n\n

60ff78514d6df20c6e82b7b777151c5c<\/p>\n\n\n\n

SHA256<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e24\u4e2a\u7b7e\u540d\u503c\uff1a<\/p>\n\n\n\n

3b4773db51a514ef19515b0323fb46691176be163f2a6a71c643f65d9a211867<\/p>\n\n\n\n

3279fb36cf70bdc4d5ccf02e6be855681a39602a9506fbf4cee0bc92323e6a9d<\/p>\n\n\n\n

\u4e0a\u4f20\u5230VT \u67e5\u770b\u6587\u4ef6\u5927\u5c0f \u6587\u4ef6\u7c7b\u578b \u6587\u4ef6\u65f6\u95f4\u6233<\/h4>\n\n\n\n

https:\/\/www.virustotal.com\/gui\/home\/upload<\/a><\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

NotPacked:<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

Packed:<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

PracticalMalwareAnalysis-Labs\u6837\u672c<\/h3>\n\n\n\n

SHA1<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

a4b35de71ca20fe776dc72d12fb2886736f43c22<\/p>\n\n\n\n

SHA256<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

f50e42c8dfaab649bde0398867e930b86c2a599e8db83b8260393082268f2dba<\/p>\n\n\n\n

MD5<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

290934c61de9176ad682ffdd65f0a669<\/p>\n\n\n\n

\u4e0a\u4f20\u5230VT<\/h4>\n\n\n\n

01.dll:<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

01.exe<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6587\u4ef6\u5927\u5c0f \u7c7b\u578b \u7f16\u8bd1\u65f6\u95f4\u6233\u4f9d\u7167\u5343\u95ee\u65b9\u5f0f\u8fdb\u884c\u67e5\u627e<\/p>\n\n\n\n

\u4efb\u52a1\u4e8c<\/h2>\n\n\n\n

PMAT-labs<\/h3>\n\n\n\n

\u4f7f\u7528Detect It Easy\u6253\u5f00\u6837\u672c\uff0c\u67e5\u770b\u201c\u58f3\u201d\u4fe1\u606f<\/p>\n\n\n\n

Malware.Packed.exe<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

PE32:\u4ee3\u8868\u8fd9\u662f32\u4f4dwindows\u7cfb\u7edf\u4e0a\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/strong><\/p>\n\n\n\n

Compiler: Microsoft Visual C\/C++ (12.20.9044)<\/strong> \u548c Tool: Visual Studio (6.0)<\/strong> \uff1a\u8fd9\u662f\u7528 Visual Studio 6.0<\/strong> \u7f16\u5199\u5e76\u901a\u8fc7Microsoft Visual C\/C++ (12.20.9044)\u7f16\u8bd1\u7684\uff0c\u8fd9\u4e2aide\u548c\u7f16\u8bd1\u5668\u7248\u672c\u53d1\u5e03\u4e8e 1998 \u5e74<\/strong> \u3002<\/p>\n\n\n\n

\u6076\u610f\u8f6f\u4ef6\u4f5c\u8005\u559c\u6b22\u7528\u8001\u7248\u672c\u7f16\u8bd1\u5668\uff0c\u56e0\u4e3a\u8001\u7248\u672c\u751f\u6210\u7684\u4ee3\u7801\u4e0d\u4f9d\u8d56\u73b0\u4ee3**.NET\u6846\u67b6**\uff0c\u5728\u8001\u65e7\u6216\u7cbe\u7b80\u7684windows\u7cfb\u7edf\u4e0a\u4e5f\u80fd\u7a33\u5b9a\u8fd0\u884c<\/p>\n\n\n\n

**Operation system: Windows(95)[I386, 32 \u4f4d, GUI]\uff1a**\u544a\u8bc9windows\uff0c\u81ea\u5df1\u662f\u4e00\u4e2aGUI\u56fe\u5f62\u754c\u9762\u7a0b\u5e8f \u800c\u4e0d\u662f\u9ed1\u6846\u6846<\/p>\n\n\n\n

Packer: UPX(3.96)[NRV,best]<\/strong>\uff1a\u4f7f\u7528UPX\u8fd9\u4e2a\u5f00\u6e90\u538b\u7f29\u8f6f\u4ef6\uff0c\u7248\u672c\u662f3.96\uff0c\u538b\u7f29\u7ea7\u522b\u662fbest<\/p>\n\n\n\n

\u56e0\u4e3a\u662fUPX\u58f3\uff0c\u53ea\u9700\u8981\u4e0b\u8f7dUPX\u5de5\u5177\u5305\uff0c\u7136\u540e\u5728\u76ee\u5f55\u4e0b\u6572\u547d\u4ee4\uff1a<\/p>\n\n\n\n

upx -d MalewarePacked.exe\n<\/code><\/pre>\n\n\n\n
\u5c31\u80fd\u8131\u58f3<\/p>\n\n\n\n
Maleware.NotPacked.exe<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u672a\u52a0\u58f3\u7684\u7a0b\u5e8f\u6837\u672c<\/p>\n\n\n\n
\u5bf9\u6bd4\u52a0\u58f3\u6837\u672c\u4e0e\u8131\u58f3\u6837\u672c\u7684\u5dee\u5f02<\/h3>\n\n\n\n
\u5224\u65adPE\u6587\u4ef6\u6709\u6ca1\u6709\u52a0\u58f3\uff1a<\/strong><\/p>\n\n\n\n
1.\u770b\u8282\u533a\u540d\u79f0\u548c\u5927\u5c0f<\/p>\n\n\n\n
Malware.NotPacked.exe\u7684\u8282\u8868\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
Malware.Packed.exe\u7684\u8282\u8868\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
2.\u770b\u5bfc\u5165\u8868\uff1a\u672a\u52a0\u58f3\u7684\u5bfc\u5165\u8868\u975e\u5e38\u4e30\u5bcc\uff0c\u5bfc\u5165\u51fd\u6570\u51e0\u5341\u4e0a\u767e\uff1b\u672a\u52a0\u58f3\u7684\u5bfc\u5165\u8868\u6781\u5176\u5e72\u51c0\uff0c\u56e0\u4e3a\u5b83\u4e3a\u4e86\u9632\u6b62\u731c\u5230\u5b83\u7684\u610f\u56fe\uff0c\u4f1a\u628a\u771f\u6b63\u7684\u5bfc\u5165\u8868\u85cf\u8d77\u6765\uff0c\u4e00\u822c\u7c7b\u4f3c LoadLibraryA<\/code> GetProcAddress<\/code> \u7b49\uff0c\u56e0\u4e3a\u58f3\u53ea\u9700\u8981\u8fd9\u4e24\u4e2a\u51fd\u6570\uff0c\u5c31\u80fd\u5728\u5185\u5b58\u4e2d\u628a\u771f\u6b63\u9700\u8981\u7684API\u52a8\u6001\u52a0\u8f7d\u8fdb\u6765<\/p>\n\n\n\n
Malware.NotPacked.exe\u7684\u5bfc\u5165\u8868<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
Malware.Packed.exe\u7684\u5bfc\u5165\u8868\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
3.\u770b\u5165\u53e3\u70b9\uff1a\u672a\u52a0\u58f3\u7684\u5165\u53e3\u70b9\u7684\u5730\u5740\u90fd\u843d\u5728.text\u8282\u533a\u8303\u56f4\u5185\uff1b\u52a0\u58f3\u540e\u7684\u5165\u53e3\u70b9\u57fa\u672c\u4e0d\u5728.text\u8282\u5185\uff0c\u5b83\u4f1a\u6307\u5411\u4e00\u4e2a\u65b0\u52a0\u7684\u8282\u533a\uff0c\u6bd4\u5982.UPX1\uff0c\u6216\u6307\u5411\u4e00\u4e2a\u6781\u5176\u602a\u5f02\u7684\u5730\u5740\u3002\u56e0\u4e3a\u58f3\u4ee3\u7801\u5fc5\u987b\u5148\u4e8e\u539f\u59cb\u4ee3\u7801\u8fd0\u884c\uff0c\u6240\u4ee5\u5165\u53e3\u70b9\u57fa\u672c\u4e0a\u4e0d\u843d\u5728\u539f\u59cb\u4ee3\u7801\u5185\u3002<\/p>\n\n\n\n
\u8fd9\u91cc\u201c\u672a\u52a0\u58f3\u7684\u5165\u53e3\u70b9\u7684\u5730\u5740\u57fa\u672c\u843d\u5728.text\u8282\u533a\u8303\u56f4\u5185\uff1b\u52a0\u58f3\u540e\u7684\u5165\u53e3\u70b9\u57fa\u672c\u4e0d\u5728.text\u8282\u5185\u201d\u662f\u56e0\u4e3a\u6709\u4e00\u79cd\u53ef\u80fd\uff0c\u5165\u53e3\u70b9\u8fd8\u662f\u5728.text\u5185\uff0c\u6b63\u5e38\u6267\u884c\u6d41\u7a0b\u4e2d\u5bf9.text\u540e\u9762\u7684\u4ee3\u7801\u8fdb\u884c\u89e3\u5bc6\u540e\u7ee7\u7eed\u6267\u884c\u3002\u6240\u4ee5\u53ef\u4ee5\u770b.text\u8282\u5c5e\u6027\u91cc\u6709\u6ca1\u6709\u5199\u6743\u9650<\/strong>\uff0c\u8981\u5728.text\u5185\u89e3\u5bc6\u6570\u636e\u5e76\u653e\u5230.text\u5185\u6267\u884c<\/strong>\u7684\u8bdd\u5fc5\u987b\u5f97\u62e5\u6709.text\u5185\u7684\u5199\u6743\u9650\u3002<\/p>\n\n\n\n
Malware.NotPacked.exe\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u660e\u786e\u6307\u5411\u4e86.text\u8282<\/p>\n\n\n\n
Malware.Packed.exe\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u6307\u5411\u7684\u662f.UPX1\uff0c\u5148\u901a\u8fc7.UPX1\u89e3\u538b\u539f\u4ee3\u7801\uff0c\u786e\u5b9a\u5176\u52a0\u8fc7\u58f3\u3002<\/p>\n\n\n\n
4.\u770b\u71b5\u503c\uff080-8\uff09\uff1a\u672a\u52a0\u58f3\u7684\u8282\u533a\u7684\u71b5\u503c\u4e00\u822c\u57284.0\u52306.0\u4e4b\u95f4\uff0c\u4f46\u662f\u52a0\u4e86\u58f3\u7684\u71b5\u503c\u4f1a\u7279\u522b\u9ad8\uff0c\u4e00\u822c\u57287.9\u4ee5\u4e0a<\/p>\n\n\n\n
Malware.NotPacked.exe\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
Malware.Packed.exe\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5bf9upx\u58f3\u8fdb\u884c\u8131\u58f3<\/h3>\n\n\n\n
\u4f7f\u7528upx\u5de5\u5177\uff1aRelease UPX 5.1.1 \u00b7 upx\/upx<\/a><\/p>\n\n\n\n
upx -d \u6587\u4ef6\u540d.exe -o unpacked.exe<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u73b0\u4fe1\u606f\u548cNotPacked.exe\u4fe1\u606f\u57fa\u672c\u4e00\u6837<\/p>\n\n\n\n
\u6ca1\u6709\u6307\u5b9a\u8f93\u51fa\u7684\u8bdd\u4f1a\u8986\u76d6\u539f\u6587\u4ef6\uff0c\u6240\u4ee5\u6700\u597d-o \u8f93\u51fa\u6587\u4ef6.exe<\/p>\n\n\n\n
\u4efb\u52a1\u4e09\uff1a\u5b57\u7b26\u4e32\u4e0e\u5bfc\u5165\u8868\u5206\u6790<\/h2>\n\n\n\n
\u4ece\u8fd9\u4e2a\u4efb\u52a1\u5f00\u59cb \u4e00\u76f4\u4f7f\u7528\u4e3b\u6837\u672c<\/p>\n\n\n\n
\u4f7f\u7528Strings\u63d0\u53d6\u5b57\u7b26\u4e32<\/h3>\n\n\n\n
\u5b57\u7b26\u4e32 – Sysinternals | Microsoft Learn<\/a><\/p>\n\n\n\n
\u5bf9Packed.exe:<\/strong><\/p>\n\n\n\n
strings64.exe C:\\Users\\27906\\Desktop\\analyze_lab\\PMAT-labs-main\\labs\\1-1.BasicStaticAnalysis\\Malware.PackedAndNotPacked.exe.malz\\Malware.PackedAndNotPacked.exe\\Malware.Packed.exe &gt; strings1.txt<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u52a0\u58f3\u540e\u7684\u6587\u4ef6\u63d0\u53d6\u51fa\u6765\u7684\u5b57\u7b26\u4e32\u5927\u81f4\u5206\u4e3a\u4e09\u7c7b\uff1a<\/p>\n\n\n\n
\u00b795%\u90fd\u662f\u65e0\u89c4\u5219\u7684\u4e8c\u8fdb\u5236\u566a\u97f3\uff0c\u5c5e\u4e8e\u662f\u538b\u7f29\u540e\u7684\u65e0\u89c4\u5219\u7684\u4e8c\u8fdb\u5236\u5b57\u8282\u88ab\u5de5\u5177\u8bef\u5224\u3002\u5728\u5176\u4e2d\u53d1\u73b0clac.exe<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u00b7\u58f3\u7684\u7279\u5f81\u4fe1\u606f\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u00b7.rsrc\u8d44\u6e90\u8282\u533a\u5185\u7684\u6570\u636e\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
UPX\u9ed8\u8ba4\u53ea\u538b\u7f29.text\u548c.data\uff08\u6570\u636e\u6bb5\uff09\u7684\u5185\u5bb9\uff0c\u4f46\u4e0d\u4f1a\u538b\u7f29.rsrc\uff08\u8d44\u6e90\u6bb5\uff09\uff0c\u56e0\u6b64\u8fd9\u4e9b\u8d44\u6e90\u8282\u533a\u7684\u5185\u5bb9\u6b63\u5e38\u663e\u793a<\/p>\n\n\n\n
\u5bf9NotPacked.exe:<\/strong><\/p>\n\n\n\n
strings64.exe C:\\Users\\27906\\Desktop\\analyze_lab\\PMAT-labs-main\\labs\\1-1.BasicStaticAnalysis\\Malware.PackedAndNotPacked.exe.malz\\Malware.PackedAndNotPacked.exe\\Malware.NotPacked.exe &gt; strings2.txt\n<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u00b7.text\u548c.data\u8282\u533a\u5185\u66b4\u9732\u51fa\u6765\u7684\u539f\u59cb\u4ee3\u7801\u548c\u6570\u636e\u6bb5\uff0c\u53ef\u8fdb\u884c\u5206\u6790<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4e00\u5927\u5806\u7c7b\u4f3c\u4e8e\u8fde\u63a5\u5efa\u7acb\u4e0e\u53d1\u9001\u8bf7\u6c42\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u786e\u5b9a\u8fd9\u662fApacheBench\u538b\u6d4b\u5de5\u5177\uff0c\u8fd9\u79cd\u5de5\u5177\u5185\u90e8\u7684\u4ee3\u7801\u5305\u542b\u5927\u91cf\u7684\u8bf7\u6c42\u548c\u8fde\u63a5\u5efa\u7acb\u4ee3\u7801\uff0c\u9ed1\u5ba2\u5728\u5176\u4e2d\u63d2\u5165\u4e00\u4e9b\u989d\u5916\u7684\u7f51\u7edc\u8fde\u63a5\u6216\u4fe1\u606f\u4f20\u8f93\u540e\uff0c\u4e0d\u6613\u5bdf\u89c9\uff0c\u662f\u4e00\u4e2a\u5b8c\u7f8e\u7684\u5bbf\u4e3b\u8f6f\u4ef6<\/p>\n\n\n\n
\u00b7\u66b4\u9732\u51fa\u6765\u7684\u5176\u5b83\u4fe1\u606f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u6076\u610f\u8f6f\u4ef6\u5236\u4f5c\u8005\u5728\u672c\u5730\u7f16\u8bd1\u7684\u8def\u5f84<\/p>\n\n\n\n
\u4ece\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4ee5\u770b\u51fa\u8fd9\u539f\u672c\u662f\u4e00\u4e2aApache\u538b\u529b\u6d4b\u8bd5\u5de5\u5177\uff0c\u662f\u4e00\u4e2a\u62ab\u7740\u5408\u6cd5\u7f51\u7edc\u6d4b\u8bd5\u5de5\u5177\u7684\u6076\u610f\u8f6f\u4ef6\u3002\u56e0\u4e3aApache\u5b98\u65b9\u4e0d\u53ef\u80fd\u5728\u5185\u90e8\u786c\u7f16\u7801\u5199calc.exe\uff0c\u8fd9\u4e2a\u4e00\u822c\u662f\u9ed1\u5ba2\u7528\u6765\u9a8c\u8bc1\u4ee3\u7801\u6267\u884c\u6216\u8005\u662f\u9a8c\u8bc1\u7a0b\u5e8fGUI\u6b63\u5e38\u6267\u884c\u7684\u4e00\u4e9b\u624b\u6bb5\u3002<\/p>\n\n\n\n
ab.exe\u662f\u8457\u540d\u7684\u5f00\u6e90\u5de5\u5177\uff0c\u5f88\u591a\u6740\u8f6f\u5bf9\u5176\u6709\u767d\u540d\u5355\uff0c\u653e\u6076\u610f\u4ee3\u7801\u8fdb\u53bb\u53ef\u80fd\u53ef\u4ee5\u7ed5\u8fc7\u6740\u8f6f\u3002<\/p>\n\n\n\n
\u4f7f\u7528PE-bear\u67e5\u770b\u5bfc\u5165\u8868<\/h3>\n\n\n\n
Releases \u00b7 hasherezade\/pe-bear<\/a><\/p>\n\n\n\n
\u5bf9Packed.exe:<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4ec5\u4ec5\u5305\u542b\u4ee5\u4e0a\u56db\u4e2a\u51fd\u6570\uff0c\u5e76\u6ca1\u6709 CreateProcess<\/code> ,VirtualAllocEx <\/code>,WriteProcessMemory<\/code>,CreatFlie<\/code>,WriteFile<\/code>\u7b49<\/p>\n\n\n\n
\u58f3\u4ee3\u7801\u8fd0\u884c\u65f6\uff0c\u4f1a\u5c06\u88ab\u538b\u7f29\u7684\u539f\u59cb\u4ee3\u7801\u89e3\u538b\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u4e14\u8c03\u5ea6CPU\u6267\u884c\u3002\u56e0\u4e3a\u539f\u6765\u7684\u5185\u5b58\u4e0d\u53ef\u5199\u6216\u4e0d\u53ef\u6267\u884c\uff0c\u6240\u4ee5\u9700\u8981 VirtualProtect<\/code>\u4fee\u6539\u5185\u5b58\u9875\u9762\u7684\u8bfb\/\u5199\/\u6267\u884c\u6743\u9650\u3002<\/strong><\/p>\n\n\n\n
\u4e4b\u540e\u7684 LoadLibraryA<\/code> + GetProcAddress<\/code>\u662f\u52a8\u6001\u52a0\u8f7d\u7684\u6838\u5fc3\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u89e3\u538b\u4e4b\u540e\u751f\u6210\u7684\u9700\u8981\u8c03\u7528\u7684\u51fd\u6570\u6e05\u5355\uff0c\u52a8\u6001\u5730\u7533\u8bf7\u6240\u6709\u9700\u8981\u7684API\u3002<\/p>\n\n\n\n
\u4e4b\u540e\u7684 ExitProcess<\/code>\u5c31\u662f\u5f3a\u5236\u7ed3\u675f\u8fdb\u7a0b\u7684\u51fd\u6570<\/p>\n\n\n\n
ab.exe\u80af\u5b9a\u4f1a\u7528\u5230\u7f51\u7edcAPI\uff0c\u4f46\u662f\u5bf9\u5e94\u7684 winhttp.dll<\/code>\u548c urlmon.dll<\/code>\u6839\u672c\u6ca1\u51fa\u73b0\u5728\u4f9d\u8d56\u5217\u8868\u4e2d<\/p>\n\n\n\n
\u6ce8\u518c\u8868API\uff0c\u867d\u7136\u5bfc\u5165\u4e86ADVAPI32.dll\uff0c\u4f46\u8ba1\u6570\u503c\u662f1\uff0c\u4e0d\u53ef\u80fd\u540c\u65f6\u5305\u62ec\u591a\u4e2a\u6ce8\u518c\u8868\u64cd\u4f5c\u51fd\u6570\uff0c\u56e0\u6b64\u540e\u671f\u8fdb\u884c\u4e86\u52a8\u6001\u5bfc\u5165\u3002<\/p>\n\n\n\n
\u5bf9NotPacked.exe:<\/strong><\/p>\n\n\n\n
\u6587\u4ef6\u64cd\u4f5c\u76f8\u5173API<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\u5728\u8fd9\u4e2aKERNEL32.dll\u4e2d\uff0c\u5e76\u6ca1\u6709\u9690\u85cf\u8fd9\u4e9b\u9700\u8981\u7684API:<\/p>\n\n\n\n
\u00b7CreateFileA<\/p>\n\n\n\n
\u00b7CreateFileW<\/p>\n\n\n\n
\u7f51\u7edc\u76f8\u5173\u7684API\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5b58\u5728socket\u51fd\u6570\u3002\u5b58\u5728\u4e00\u4e2a16\u8fdb\u5236\u662f17\u7684\u51fd\u6570\uff0c\u5341\u8fdb\u5236\u5c31\u662f23\uff0c23\u5728Windows Sockets\u5e93\u4e2d\uff0c\u5e8f\u53f723\u5bf9\u5e94\u7684\u6b63\u662f socket<\/code>\u51fd\u6570<\/p>\n\n\n\n
\u540c\u65f6\uff0cWS2_32.dll<\/code>\u660e\u786e\u5bfc\u5165\u4e86 WSARecv<\/code>\u548c WSASend<\/code>\uff0c\u662f\u7528\u4e8e\u63a5\u6536\u6570\u636e\u548c\u53d1\u9001\u6570\u636e\u7684\u3002<\/p>\n\n\n\n
\u6ce8\u518c\u8868\u76f8\u5173\u7684API\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53ea\u770b\u5230\u4e86 AllocateAndInitializeSid<\/code>\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u7528\u6765\u5728\u5185\u5b58\u4e2d\u521b\u5efa\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u5b89\u5168\u6807\u8bc6\u7b26\uff08SID\uff09\uff0c\u8ddf\u6743\u9650\u76f8\u5173\u3002\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u81ea\u5df1\u7684\u6743\u9650\uff0c\u800cab.exe\u6839\u672c\u4e0d\u9700\u8981\u68c0\u67e5\u7528\u6237\u6743\u9650\uff0c\u56e0\u6b64\u8fd9\u662f\u4e00\u4e2a\u653b\u51fb\u8005\u8bd5\u56fe\u8fdb\u884c\u7684\u64cd\u4f5c\uff0c\u4fbf\u4e8e\u540e\u671f\u6267\u884c\u653b\u51fb\u8f7d\u8377\u6216\u5176\u5b83\u3002<\/p>\n\n\n\n
\u524d\u4e00\u4e2a FreeSid<\/code>\u7528\u6765\u91ca\u653e AllocateAndInitializeSid<\/code>\u5728\u5185\u5b58\u4e2d\u5206\u914d\u7684\u7a7a\u95f4\uff08SID\uff09\u3002<\/p>\n\n\n\n
\u4efb\u52a1\u56db\uff1a\u6df1\u5ea6\u53cd\u6c47\u7f16\u5206\u6790<\/h2>\n\n\n\n
\u8be5\u4efb\u52a1\u4f7f\u7528<\/p>\n\n\n\n
PMAT-labs-main\\labs\\2-5.AntiAnalysis\\1.simpleAntiAnalysis\\simpleAntiAnalysis-cpp.exe\n<\/code><\/pre>\n\n\n\n
\u8fd9\u4e2a\u6837\u672c\u6ca1\u6709\u58f3\uff0c\u5148\u7ed9\u5b83\u52a0\u58f3\uff0c\u7136\u540e\u628a\u52a0\u58f3\u4e0e\u4e0d\u52a0\u58f3\u653e\u5165IDA\u4e2d\u5bf9\u6bd4<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u672a\u52a0\u58f3\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u52a0\u58f3\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53ef\u4ee5\u53d1\u73b0\u52a0\u58f3\u4e4b\u540e\u5728IDA\u91cc\u9762\u663e\u793a\u7684\u51fd\u6570\u5c31\u975e\u5e38\u5c11\uff0c\u53ea\u6709\u6709\u5173\u4e8eUPX\u538b\u7f29\u7684\u51fd\u6570\uff0c\u7a0b\u5e8f\u539f\u672c\u7684\u4e3b\u51fd\u6570\u529f\u80fd\u51fd\u6570\u90fd\u88ab\u9690\u85cf
\u6240\u4ee5\u5728\u8fdb\u884c\u6076\u610f\u4ee3\u7801\u5206\u6790\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u8981\u7387\u5148\u53bb\u68c0\u67e5\u6709\u6ca1\u6709\u52a0\u58f3\uff0c\u5982\u679c\u9047\u5230\u4e86IDA\u4e2d\u51fd\u6570\u663e\u793a\u662f\u5c11\u91cf\u751a\u81f3\u662f\u4e00\u7247\u7a7a\u767d\uff0c\u6781\u5927\u53ef\u80fd\u662f\u56e0\u4e3a\u58f3\u7684\u7f18\u6545\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u56e0\u4e3a\u4e22\u5931\u9700\u8981\u53bb\u8fd8\u539f<\/p>\n\n\n\n
\u5b9a\u4f4dmain\u51fd\u6570\u6216\u5165\u53e3\u70b9<\/h3>\n\n\n\n
\n
\u4e3a\u4ec0\u4e48__main\u5c31\u662f\u4e3b\u51fd\u6570\uff0c\u800c\u5176\u4ed6\u4e0d\u662f\u5462\uff1f<\/p>\n<\/blockquote>\n\n\n\n
\u56e0\u4e3a\u50cfWinMainCRTStartup\u4e4b\u7c7b\u7684\u51fd\u6570\uff0c\u90fd\u662f\u7f16\u8bd1\u5668\u81ea\u52a8\u751f\u6210\u7684\u73af\u5883\u521d\u59cb\u5316\u4ee3\u7801<\/p>\n\n\n\n
\u8fd9\u662f\u6700\u7b80\u5355\u7684\u5bfb\u627e\u4e3b\u51fd\u6570\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u5206\u6790\u4e2d\uff0c\u6076\u610f\u4ee3\u7801\u901a\u5e38\u4f1a\u53bb\u9664\u7b26\u53f7\u8868
\u4e5f\u5c31\u662f\u8bf4\uff0c\u7a0b\u5e8f\u91cc\u6839\u672c\u5c31\u4e0d\u4f1a\u6709__main \u751a\u81f3
start \u8fd9\u4e9b\u540d\u5b57\uff0c\u6240\u6709\u7684\u51fd\u6570\u5168\u53d8\u6210\u4e86\u50cf sub_401000<\/code>\u8fd9\u6837\u7684\u540d\u5b57
\u7b2c\u4e00\u79cd\u65b9\u6cd5\u662f\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u6309\u4e0b\u5feb\u6377\u952eCtrl + E\uff0c\u9009\u62e9Entry Point \u53cc\u51fb\u8df3\u5165\uff0c\u8fd9\u5c31\u662f\u64cd\u4f5c\u7cfb\u7edf\u7b2c
\u4e00\u6b65\u6267\u884c\u7684\u5730\u65b9
\u7136\u540e\u5728\u8fd9\u6bb5\u542f\u52a8\u4ee3\u7801\u4e2d\u5f80\u4e0b\u6eda\u52a8\uff0c\u5bfb\u627e\u4e00\u4e2a\u975e\u5e38\u5178\u578b\u7684\u6c47\u7f16\u7279\u5f81\u7ec4<\/p>\n\n\n\n
\u56e0\u4e3amain \u51fd\u6570\u901a\u5e38\u6709 3 \u4e2a\u53c2\u6570 (argc ,argv ,envp) <\/code>\u5728 32 \u4f4d\u6c47\u7f16\u4e2d\uff0c\u8c03\u7528\u5b83\u4e4b\u524d\u4f1a\u6709 \u8fde\u7eed\u7684 3 \u4e2a
push<\/code> \u6307\u4ee4\uff0c\u7d27\u63a5\u7740\u662f\u4e00\u4e2a call<\/code>\uff0c\u800c\u4e14\u8fd9\u4e2a call <\/code>\u4e4b\u540e\u5f80\u5f80\u7d27\u8ddf\u4e00\u4e2a\u5bf9 exit()<\/code>\u51fd\u6570\u7684\u8c03\u7528\uff0c\u627e\u5230\u90a3\u4e2a\u88ab\u8c03\u7528\u7684 sub_xxxxxx<\/code> \uff0c\u53cc\u51fb\u8fdb\u53bb\uff0c\u5927\u6982\u7387\u5c31\u662f\u4e3b\u51fd\u6570\u4e86<\/p>\n\n\n\n
\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u4ea4\u53c9\u5f15\u7528\u6cd5\uff0c\u5c31\u662f\u627e\u5b57\u7b26\u4e32\uff0c\u627e\u90a3\u4e9b\u8ddf\u4e3b\u51fd\u6570\u76f8\u5173\u7684\u5b57\u7b26\u4e32\uff0c\u8fdb\u884c\u4e00\u4e2a\u4ea4\u53c9\u5f15\u7528\uff0c\u4e00\u822c\u6765\u8bf4\u5f15\u7528\u7684\u8981\u4e48\u662f\u4e3b\u51fd\u6570\uff0c\u8981\u4e48\u5c31\u662f\u79bb\u4e3b\u51fd\u6570\u4e0d\u8fdc<\/p>\n\n\n\n
\u7b2c\u4e09\u79cd\u65b9\u6cd5\u662fAPI\u67e5\u627e\uff0c\u5bfb\u627e\u7a0b\u5e8f\u5fc5\u987b\u8981\u7528\u7684\u6838\u5fc3 API\uff0c\u6bd4\u5982CreateProcess \u3001RegSetValue \u53cc\u51fb\u8fd9\u4e2a API\uff0c\u6309 X\u952e\uff0c\u770b\u54ea\u4e2a\u51fd\u6570\u8c03\u7528\u4e86\u5b83\uff0c\u987a\u7740\u8c03\u7528\u94fe\u5f80\u4e0a\u627e\uff0c\u5f88\u5feb\u5c31\u80fd\u6478\u5230\u63a7\u5236\u8fd9\u4e9b\u884c\u4e3a\u7684\u4e3b\u51fd\u6570<\/p>\n\n\n\n
\u4f7f\u7528\u4ea4\u53c9\u5f15\u7528\uff08xref\uff09\u8ffd\u8e2a\u53ef\u7591\u5b57\u7b26\u4e32\u7684\u8c03\u7528\u4f4d\u7f6e<\/h3>\n\n\n\n
shift+F12\u5c31\u53ef\u4ee5\u6765\u5230\u5b57\u7b26\u4e32\u7a97\u53e3<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u73b0\u4e00\u4e2a\u53ef\u4ee5\u5b57\u7b26\u4e32 \"Boom!\"<\/code><\/p>\n\n\n\n
\u53cc\u51fb\u8fdb\u53bb\uff0c\u5149\u6807\u6765\u5230 \"Boom!\"<\/code>\u6240\u5728\u4f4d\u7f6e\uff0cctrl+x\u8fdb\u884c\u4ea4\u53c9\u5f15\u7528<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u70b9\u51fbOK\u4e4b\u540e\uff0c\u5c31\u6765\u5f15\u7528\u4e86\u8fd9\u4e2a\u5b57\u7b26\u4e32\u7684\u51fd\u6570\u4f4d\u7f6e\uff0cF5\u8fdb\u884c\u53cd\u7f16\u8bd1\u4e4b\u540e\u5c31\u5f97\u5230\u4e86\u4f2aC\u51fd\u6570<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\u903b\u8f91\u662f\u68c0\u6d4b\u5f53\u524d\u8fdb\u7a0b\u662f\u5426\u88ab\u8c03\u8bd5\u5668\u76d1\u63a7\u3002\u662f\u7684\u8bdd\u5f39\u51fa\u5bf9\u8bdd\u6846\u201c\u4f60\u8ba4\u4e3a\u4f60\u5f88\u806a\u660e\u5417\u201d\u5632\u8bbd\u8c03\u8bd5\u8005\uff0c\u7136\u540e\u7acb\u523b\u9000\u51fa\uff1b\u73af\u5883\u5b89\u5168\u7684\u8bdd\u624d\u4f1a\u6267\u884c\u771f\u6b63\u7684\u6076\u610f\u8f7d\u8377\uff0c\u5373\u5f39\u51fa”Boom!”\u7a97\u53e3\u3002<\/p>\n\n\n\n
\u8bc6\u522b\u5173\u952e\u51fd\u6570\u8c03\u7528\u94fe\uff0c\u5206\u6790\u63a7\u5236\u6d41\u56fe<\/h3>\n\n\n\n
\u7528ctrl+x\u4e00\u4e2a\u4e2a\u627e\u8c03\u7528\u8fd8\u662f\u5bb9\u6613\u5934\u6655<\/p>\n\n\n\n
\u6240\u4ee5\u53ef\u4ee5\u751f\u6210\u76f4\u89c2\u7684\u8c03\u7528\u56fe<\/p>\n\n\n\n
\u70b9\u51fb\u83dc\u5355\u680f View <\/code>->Open subviews<\/code> ->Proximity browser<\/code><\/p>\n\n\n\n
\u8fd9\u662f\u4e00\u4e2a\u4ea4\u4e92\u5f0f\u7684\u5173\u7cfb\u7f51\uff0c\u53ef\u4ee5\u70b9\u51fb\u8282\u70b9\u5c55\u5f00\u5b83\u7684\u8c03\u7528\u5173\u7cfb<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4efb\u52a1\u4e94\uff1aCapa\u81ea\u52a8\u5316\u5206\u6790<\/h2>\n\n\n\n
\u5b89\u88c5\u65b9\u6cd5\u4e00\uff1apython\u5e93\u5b89\u88c5<\/p>\n\n\n\n
pip install flare-capa<\/code><\/p>\n\n\n\n
\u5b89\u88c5\u65b9\u6cd5\u4e8c\uff1a\u4e0b\u8f7d\u9884\u7f16\u8bd1\u7684\u72ec\u7acb\u4e8c\u8fdb\u5236\u6587\u4ef6<\/p>\n\n\n\n
mandiant\/capa: The FLARE team’s open-source tool to identify capabilities in executable files.<\/a><\/p>\n\n\n\n
\u4e0b\u8f7d\u5e94\u64cd\u4f5c\u7cfb\u7edf\u7684\u53d1\u884c\u7248\u4e8c\u8fdb\u5236\u4e4b\u540e\uff0c\u76f4\u63a5\u5728\u5bf9\u5e94\u76ee\u5f55\u7684\u547d\u4ee4\u884c\u7ec8\u7aef\u5373\u53ef\u6267\u884ccapa\u7a0b\u5e8f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5b89\u88c5\u65b9\u6cd5\u4e09\uff1aIDA\u63d2\u4ef6<\/p>\n\n\n\n
capa – Hex-Rays Plugin Repo<\/a><\/p>\n\n\n\n
\u8fd0\u884c\u5206\u6790<\/h3>\n\n\n\n
\u4f9d\u65e7\u4f7f\u7528PMAT-labs\u5b9e\u9a8c\u4e00\u7684\u4e24\u4e2a\u6837\u672c<\/p>\n\n\n\n
Malware.Packed\uff1a<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
Malware.NotPacked\uff1a<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5206\u6790\u5b9e\u9a8c\u5185\u5bb9<\/h3>\n\n\n\n
\u7531\u4e0a\u8ff0\u4e24\u5f20\u56fe\u53ef\u4ee5\u770b\u5230\uff0c\u9996\u5148\u52a0\u4e86\u58f3\u7684\u6837\u672c\uff0ccapa\u662f\u76f4\u63a5\u5206\u6790\u4e0d\u51fa\u6765\u7684\uff0c\u5b83\u4f1a\u76f4\u63a5\u63d0\u793a\u4f60\uff0c\u8fd9\u4e2a\u6837\u672c\u662f\u6709\u52a0\u58f3\u7684\uff0c\u65e0\u6cd5\u5206\u6790<\/p>\n\n\n\n
\u800c\u8131\u4e86\u58f3\u7684\u6837\u672c\uff0ccapa\u53ef\u4ee5\u5206\u6790\u51fa\u4e00\u5927\u5806\u5185\u5bb9\u51fa\u6765<\/p>\n\n\n\n
\u7b2c\u4e00\u4e2a\u6846\uff1a<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
md5 \/ sha1 \/ sha256: \u6587\u4ef6\u7684\u54c8\u5e0c\u503c\uff0c\u8fd9\u4e2a\u6076\u610f\u8f6f\u4ef6\u7684\u6570\u5b57\u6307\u7eb9\uff0c\u53ef\u4ee5\u5728VirusTotal\u4e2d\u68c0\u7d22\u8be5\u6837\u672c\uff0c\u53ef\u4ee5\u53d1\u73b0\u90fd\u8ddf\u4efb\u52a1\u4e00\u6211\u4eec\u53bb\u624b\u52a8\u5206\u6790\u7684\u7ed3\u679c\u4e00\u6a21\u4e00\u6837<\/p>\n\n\n\n
analysis : static \u8868\u793a\u8fd9\u662f\u9759\u6001\u5206\u6790\uff0c\u4e5f\u5c31\u662f\u5728\u4e0d\u8fd0\u884c\u7a0b\u5e8f\u7684\u60c5\u51b5\u4e0b\u626b\u63cf\u4ee3\u7801<\/p>\n\n\n\n
os \/ format \/ arch: \u8868\u660e\u8fd9\u662f\u4e00\u4e2a\u57fa\u4e8e Windows \u7cfb\u7edf\u7684 PE \u683c\u5f0f\u6587\u4ef6\u90fd\u662f .exe \u683c\u5f0f\uff0c\u67b6\u6784\u4e3a 32\u4f4d(1386)<\/p>\n\n\n\n
\u7b2c\u4e8c\u4e2a\u6846\uff1a<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u90e8\u5206\u5c06\u6076\u610f\u8f6f\u4ef6\u7684\u884c\u4e3a\u6620\u5c04\u5230\u4e86\u7f51\u7edc\u5b89\u5168\u754c\u6807\u51c6\u7684 MITRE ATT&CK \u6846\u67b6\u4e2d\uff0c\u8bf4\u660e\u5b83\u5728\u5b8f\u89c2\u4e0a\u7684\u653b\u51fb\u7b56\u7565\uff1a<\/p>\n\n\n\n
\u00b7DEFENSE EVASION\uff0c\u8fd9\u662f\u9632\u5fa1\u89c4\u907f\uff0c\u8bf4\u660e\u8fd9\u4e2a\u7a0b\u5e8f\u8bd5\u56fe\u9690\u85cf\u81ea\u5df1\uff0c\u7ed5\u8fc7\u5b89\u5168\u8f6f\u4ef6\u7684\u68c0\u6d4b<\/p>\n\n\n\n
\u00b7Obfuscated Files or Information [T1027]<\/code>:\u4f7f\u7528\u4e86\u6df7\u6dc6\u6280\u672f\uff0c\u6bd4\u5982\u53ef\u4ee5\u7ed9\u6570\u636e\u52a0\u5bc6\u7b49\u7b49\u4e4b\u7c7b\u7684\u64cd\u4f5c<\/p>\n\n\n\n
\u00b7Virtualization\/Sandbox Evasion [T1497]<\/code>:\u8bd5\u56fe\u68c0\u6d4b\u81ea\u5df1\u662f\u5426\u8fd0\u884c\u5728\u865a\u62df\u673a\u6216\u6c99\u7bb1\u73af\u5883\u4e2d\uff0c\u5982\u679c\u662f\uff0c\u5b83\u53ef\u80fd\u4f1a\u505c\u6b62\u8fd0\u884c\u4ee5\u9632\u6b62\u88ab\u5206\u6790\uff0c\u4e5f\u5c31\u662f\u53cd\u8c03\u8bd5<\/p>\n\n\n\n
\u7b2c\u4e09\u4e2a\u6846\uff1a<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
ANTI-BEHAVIORAL ANALYSIS\u662f\u53cd\u884c\u4e3a\u5206\u6790\uff0c\u4e5f\u5c31\u662f\u6076\u610f\u8f6f\u4ef6\u8bd5\u56fe\u5bf9\u6297\u5b89\u5168\u4eba\u5458\u6216\u81ea\u52a8\u5316\u6c99\u7bb1\u7684\u5206\u6790<\/p>\n\n\n\n
\u00b7\u5177\u4f53\u884c\u4e3a\uff1aVirtual Machine Detection::Instruction Testing<\/code><\/p>\n\n\n\n
\u00b7\u542b\u4e49\uff1a\u5b83\u5728\u5185\u90e8\u6267\u884c\u4e86\u7279\u5b9a\u7684 CPU \u6307\u4ee4\u6d4b\u8bd5\uff0c\u7528\u6765\u68c0\u6d4b\u81ea\u5df1\u662f\u4e0d\u662f\u8fd0\u884c\u5728\u865a\u62df\u673a\u73af\u5883\u91cc\uff0c\u8fd9\u662f\u6076\u610f\u8f6f\u4ef6\u975e\u5e38\u7ecf\u5178\u7684\u53cd\u8c03\u8bd5\u624b\u6bb5\uff0c\u5982\u679c\u5b83\u53d1\u73b0\u81ea\u5df1\u5728\u865a\u62df\u673a\u91cc\uff0c\u53ef\u80fd\u5c31\u4f1a\u76f4\u63a5\u9000\u51fa\u6216\u8005\u4f2a\u88c5\u6210\u6b63\u5e38\u7a0b\u5e8f\uff0c\u9632\u6b62\u88ab\u52a8\u6001\u6293\u53d6\u6076\u610f\u884c\u4e3a<\/p>\n\n\n\n
DATA \u662f\u6076\u610f\u8f6f\u4ef6\u5728\u5185\u90e8\u5982\u4f55\u5904\u7406\u548c\u8f6c\u6362\u6570\u636e<\/p>\n\n\n\n
\u00b7\u5177\u4f53\u884c\u4e3a: Check String<\/code> \uff0c\u68c0\u67e5\u5b57\u7b26\u4e32<\/p>\n\n\n\n
Encode Data::Base64<\/code> Base64\u7f16\u7801\u548c\u89e3\u7801<\/p>\n\n\n\n
Encode Data::XOR<\/code> \u5f02\u6216 \u7f16\u7801\u548c\u89e3\u7801<\/p>\n\n\n\n
\u00b7\u542b\u4e49: \u8fd9\u4e2a\u6837\u672c\u5185\u90e8\u5305\u542b\u4e86\u7528\u4e8e Base64 \u548c XOR \u52a0\u89e3\u5bc6\u7684\u7b97\u6cd5\uff0c\u6076\u610f\u8f6f\u4ef6\u6781\u5c11\u660e\u6587\u786c\u7f16\u7801\u5173\u952e\u4fe1\u606f\uff0c\u5b83\u901a\u5e38\u4f1a\u7528 XOR \u6216 Base64 \u628a\u771f\u6b63\u7684\u6076\u610f\u8f7d\u8377\u3001C2 \u670d\u52a1\u5668\u7684 IP \u5730\u5740\u6216\u8005\u5173\u952e API \u540d\u79f0\u52a0\u5bc6\u9690\u85cf\u8d77\u6765\uff0c\u8fd0\u884c\u65f6\u518d\u89e3\u5bc6\u3002<\/p>\n\n\n\n
DEFENSE EVASION \u662f\u9632\u5fa1\u89c4\u907f\uff0c\u6076\u610f\u8f6f\u4ef6\u8bd5\u56fe\u8eb2\u907f\u6740\u6bd2\u8f6f\u4ef6\u6216\u7ec8\u7aef\u68c0\u6d4b\u54cd\u5e94\u7cfb\u7edf\u7684\u67e5\u6740<\/p>\n\n\n\n
\u00b7\u5177\u4f53\u884c\u4e3a\uff1aObfuscated Files or Information::Encoding-Standard Algorithm<\/code><\/p>\n\n\n\n
\u00b7\u542b\u4e49\uff1a\u6df7\u6dc6\u6587\u4ef6\u6216\u4fe1\u606f\u3002\u7ed3\u5408\u4e0a\u9762DATA \u90e8\u5206\u7684\u53d1\u73b0\uff0c\u8fd9\u5c31\u6307\u660e\u4e86\u8be5\u6837\u672c\u4f7f\u7528\u4e86\u6807\u51c6\u7684\u7f16\u7801\u7b97\u6cd5\u6765\u6df7\u6dc6\u81ea\u5df1\u7684\u5185\u90e8\u4fe1\u606f\uff0c\u4ece\u800c\u89c4\u907f\u9759\u6001\u7279\u5f81\u7801\u626b\u63cf\u3002<\/p>\n\n\n\n
\u7b2c\u56db\u4e2a\u6846\uff1a<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u662f capa \u5de5\u5177\u5206\u6790\u7ed3\u679c\u4e2d\u6bd4\u8f83\u5177\u4f53\u7684\u90e8\u5206\uff0c\u5b83\u662f\u8868\u660e capa \u662f\u6839\u636e\u4ee3\u7801\u91cc\u7684\u54ea\u4e9b\u7ebf\u7d22\u5f97\u51fa\u4e0a\u9762\u90a3\u4e9b\u5b8f\u89c2\u7ed3\u8bba\u7684<\/p>\n\n\n\n
\u68c0\u6d4b\u865a\u62df\u673a\u73af\u5883<\/strong>
Capability:
check for VM using instruction VPCEXT <\/code>\uff0c\u662f\u4f7f\u7528 VPCEXT \u6307\u4ee4\u68c0\u67e5\u865a\u62df\u673a
Namespace:
anti-analysis\/anti-vm\/vm-detection <\/code>\uff0c\u662f\u53cd\u5206\u6790\/\u53cd\u865a\u62df\u673a\/\u865a\u62df\u673a\u68c0\u6d4b<\/p>\n\n\n\n
VPCEXT<\/code> \uff0cVirtual PC eXtension<\/code>\u662f\u7528\u6765\u548c\u8001\u65e7\u7684 Virtual PC \u865a\u62df\u673a\u5bbf\u4e3b\u673a\u8fdb\u884c\u901a\u4fe1\u7684\u6307\u4ee4\uff0c\u6076\u610f\u8f6f\u4ef6\u4f1a\u5728\u4ee3\u7801\u4e2d\u6545\u610f\u6267\u884c\u8fd9\u6761\u6307\u4ee4\uff1a
\u5982\u679c\u5728\u771f\u5b9e\u7269\u7406\u673a\u4e0a\u8fd0\u884c\uff0c\u8fd9\u6761\u6307\u4ee4\u662f\u975e\u6cd5\u7684\uff0c\u4f1a\u89e6\u53d1\u5f02\u5e38\uff0c\u6076\u610f\u8f6f\u4ef6\u4f1a\u6355\u83b7\u8fd9\u4e2a\u5f02\u5e38\u5e76\u7ee7\u7eed\u6267\u884c\u5b83\u7684\u6076\u610f\u884c\u4e3a\u5982\u679c\u5728 Virtual PC \u865a\u62df\u673a\u4e2d\u8fd0\u884c\uff0c\u8fd9\u6761\u6307\u4ee4\u4f1a\u6210\u529f\u6267\u884c\uff0c\u6076\u610f\u8f6f\u4ef6\u501f\u6b64\u5c31\u80fd\u5224\u65ad\u51fa\u81ea\u5df1\u5728\u6c99\u7bb1\/\u865a\u62df\u673a\u91cc\uff0c\u4ece\u800c\u63d0\u524d\u9000\u51fa<\/p>\n\n\n\n
Base64 \u5b57\u7b26\u4e32\u5f15\u7528<\/strong>
Capability:
reference Base64 string<\/code>\uff0c\u5f15\u7528\u4e86 Base64 \u5b57\u7b26\u4e32
Namespace:
data-manipulation\/encoding\/base64 <\/code>\uff0c\u6570\u636e\u64cd\u4f5c\/\u7f16\u7801\/Base64
capa \u5728\u7a0b\u5e8f\u7684\u5185\u5b58\u6216\u6570\u636e\u6bb5\u4e2d\u626b\u63cf\u5230\u4e86\u6807\u51c6\u7684 Base64 \u7d22\u5f15\u8868\uff0c\u4e5f\u5c31\u662f
\u8fd9\u6837\u7684\u8fde\u7eed\u5b57\u7b26
ABCDEF...0123456789+\/<\/code>
\u8fd9\u5c31\u8bf4\u660e\uff0c\u7a0b\u5e8f\u5185\u90e8\u6709\u9690\u85cf\u7684\u6570\u636e\u9700\u8981\u7528 Base64 \u89e3\u7801\u624d\u80fd\u770b\u5230\u771f\u6b63\u7684\u5185\u5bb9<\/p>\n\n\n\n
XOR \u5f02\u6216\u52a0\u5bc6\/\u89e3\u5bc6<\/strong>
Capability:
encode data using XOR (2 matches) <\/code>\uff0c\u4f7f\u7528\u5f02\u6216\u64cd\u4f5c\u7f16\u7801\u6570\u636e\uff0c\u53d1\u73b02\u5904\u5339\u914d
Namespace:
data-manipulation\/encoding\/xor<\/code> \u6570\u636e\u64cd\u4f5c\/\u7f16\u7801\/\u5f02\u6216
capa \u901a\u8fc7\u5206\u6790\u6c47\u7f16\u4ee3\u7801\u6d41\uff0c\u8bc6\u522b\u51fa\u4e86\u7ecf\u5178\u7684\u5f02\u6216\u5faa\u73af\u7279\u5f81\uff0c\u901a\u5e38\u662f\u4e00\u4e2a\u5faa\u73af\u4f53\u4e2d\u5305\u542bxor<\/code> \u6307\u4ee4\uff0c\u7528\u6765\u904d\u5386\u4fee\u6539\u4e00\u6bb5\u5185\u5b58\u6570\u636e<\/p>\n\n\n\n
2 matches\u8bf4\u660e\u5728\u4ee3\u7801\u4e2d\u81f3\u5c11\u53d1\u73b0\u4e86\u4e24\u4e2a\u4e0d\u540c\u4f4d\u7f6e\u5728\u505a\u8fd9\u79cd\u64cd\u4f5c\uff0c\u8fd9\u901a\u5e38\u662f\u6076\u610f\u8f6f\u4ef6\u5728\u5185\u5b58\u4e2d\u89e3\u5bc6\u81ea\u5df1\u771f\u6b63\u7684\u6076\u610f\u8f7d\u8377\u6216\u914d\u7f6e\u4fe1\u606f\u7684\u89e3\u5bc6\u51fd\u6570<\/p>\n\n\n\n
PDB \u8c03\u8bd5\u8def\u5f84\u6b8b\u7559<\/strong>
Capability:
contains PDB path <\/code>\uff0c\u5305\u542b PDB \u8def\u5f84
Namespace:
executable\/pe\/pdb<\/code> \uff0c\u53ef\u6267\u884c\u6587\u4ef6\/PE\u7ed3\u6784\/PDB
PDB\uff0c\u5168\u79f0\u662fProgram Database\uff0c\u662f\u5fae\u8f6f Visual Studio \u5728\u7f16\u8bd1\u7a0b\u5e8f\u65f6\u751f\u6210\u7684\u8c03\u8bd5\u7b26\u53f7\u6587\u4ef6
\u5f88\u591a\u6076\u610f\u8f6f\u4ef6\u4f5c\u8005\u5728\u7f16\u8bd1\u65f6\u5fd8\u8bb0\u5173\u95ed\u8c03\u8bd5\u4fe1\u606f\uff0c\u5bfc\u81f4\u7f16\u8bd1\u73af\u5883\u7684\u7edd\u5bf9\u8def\u5f84\u88ab\u786c\u7f16\u7801\u5230\u4e86\u6700\u7ec8\u7684.exe \u6587\u4ef6\u4e2d<\/p>\n\n\n\n
\u5bfc\u51faJSON<\/h3>\n\n\n\n
capa.exe C:\\Users\\27906\\Desktop\\analyze_lab\\PMAT-labs-main\\labs\\1-1.BasicStaticAnalysis\\Malware.PackedAndNotPacked.exe.malz\\Malware.PackedAndNotPacked.exe\\Malware.NotPacked.exe -j > 1.json<\/code><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u6bb5 JSON \u662f capa \u5de5\u5177\u751f\u6210\u7684\u5e95\u5c42\u539f\u59cb\u5206\u6790\u6570\u636e
\u5b83\u4e0d\u4ec5\u8bb0\u5f55\u4e86\u6837\u672c\u7684\u57fa\u7840\u6307\u7eb9\u548c\u5e95\u5c42\u7684\u5185\u5b58\u533a\u6bb5\u5e03\u5c40\uff0c\u6700\u6838\u5fc3\u7684\u4ef7\u503c\u5728\u4e8e\u5b83\u4e3a\u622a\u56fe\u4e2d\u5217\u51fa\u7684\u6240\u6709\u6076\u610f\u884c\u4e3a\uff0c\u6bd4\u5982\u53cd\u865a\u62df\u673a\u68c0\u6d4b\u3001Base64\/XOR \u52a0\u5bc6\u9690\u85cf\u7b49\u63d0\u4f9b\u4e86\u786e\u51ff\u7684\u4ee3\u7801\u7ea7\u8bc1\u636e\uff0c\u6bd4\u5982\u5177\u4f53\u7684\u5185\u5b58\u7edd\u5bf9\u5730\u5740\u548c\u6587\u4ef6\u504f\u79fb\u91cf<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9879\u76ee\u5730\u5740\uff1aHuskyHacks\/PMAT-labs: Labs for Practical Malware A […]<\/p>\n","protected":false},"author":1,"featured_media":1012,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[58,57],"tags":[],"class_list":["post-929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-58","category-57"],"_links":{"self":[{"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/posts\/929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/47.121.202.229\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=929"}],"version-history":[{"count":3,"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/posts\/929\/revisions"}],"predecessor-version":[{"id":1081,"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/posts\/929\/revisions\/1081"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/47.121.202.229\/index.php?rest_route=\/wp\/v2\/media\/1012"}],"wp:attachment":[{"href":"http:\/\/47.121.202.229\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/47.121.202.229\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=929"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/47.121.202.229\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}