{"id":937,"date":"2026-06-23T22:40:01","date_gmt":"2026-06-23T14:40:01","guid":{"rendered":"http:\/\/10.10.10.101\/?p=937"},"modified":"2026-06-23T22:40:01","modified_gmt":"2026-06-23T14:40:01","slug":"937","status":"publish","type":"post","link":"https:\/\/htmacg.cn\/?p=937","title":{"rendered":"CTF\u6742\u9879\u9898\u89e3\u9898\u601d\u8def\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<h2>CTF\u6742\u9879\u9898\u89e3\u9898\u601d\u8def\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u5b9e\u6218\u6307\u5357<\/h2>\n<p>CTF\uff08Capture The Flag\uff0c\u593a\u65d7\u8d5b\uff09\u4e2d\u7684\u6742\u9879\u9898\uff08Miscellaneous\uff0c\u7b80\u79f0Misc\uff09\u4ee5\u5176\u6d89\u53ca\u77e5\u8bc6\u9762\u5e7f\u3001\u9898\u578b\u591a\u53d8\u800c\u8457\u79f0\u3002\u5b83\u901a\u5e38\u4e0d\u5c40\u9650\u4e8e\u67d0\u4e00\u4e2a\u7279\u5b9a\u7684\u5b89\u5168\u9886\u57df\uff0c\u800c\u662f\u7efc\u5408\u8003\u5bdf\u53c2\u8d5b\u8005\u7684\u7f16\u7801\u80fd\u529b\u3001\u903b\u8f91\u63a8\u7406\u3001\u9690\u5199\u5206\u6790\u3001\u6d41\u91cf\u53d6\u8bc1\u3001\u7f16\u7a0b\u80fd\u529b\u7b49\u591a\u65b9\u9762\u6280\u80fd\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\u800c\u8a00\uff0c\u6742\u9879\u9898\u53ef\u80fd\u662f\u6700\u6709\u8da3\u4f46\u4e5f\u6700\u5bb9\u6613\u611f\u5230\u56f0\u60d1\u7684\u9898\u578b\u3002\u672c\u6559\u7a0b\u5c06\u4ece\u57fa\u7840\u6982\u5ff5\u51fa\u53d1\uff0c\u901a\u8fc7\u7cfb\u7edf\u5316\u7684\u89e3\u9898\u601d\u8def\u548c\u5b9e\u6218\u6280\u5de7\uff0c\u5e2e\u52a9\u65b0\u624b\u9010\u6b65\u8fdb\u9636\u4e3a\u6742\u9879\u9898\u9ad8\u624b\u3002<\/p>\n<p>\u6742\u9879\u9898\u7684\u96be\u5ea6\u8de8\u5ea6\u6781\u5927\uff0c\u7b80\u5355\u7684\u9898\u76ee\u53ef\u80fd\u53ea\u6d89\u53caBase64\u89e3\u7801\uff0c\u800c\u590d\u6742\u7684\u9898\u76ee\u53ef\u80fd\u878d\u5408\u4e86\u97f3\u9891\u5206\u6790\u3001\u5185\u5b58\u53d6\u8bc1\u3001\u534f\u8bae\u9006\u5411\u3001\u751a\u81f3\u533a\u5757\u94fe\u4ea4\u6613\u5206\u6790\u3002\u56e0\u6b64\uff0c\u5efa\u7acb\u4e00\u5957\u901a\u7528\u7684\u89e3\u9898\u65b9\u6cd5\u8bba\u81f3\u5173\u91cd\u8981\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u628a\u6742\u9879\u9898\u7684\u89e3\u9898\u601d\u8def\u5206\u89e3\u4e3a\u51e0\u4e2a\u6838\u5fc3\u9636\u6bb5\uff0c\u5e76\u7ed3\u5408\u5927\u91cf\u5b9e\u4f8b\u8fdb\u884c\u8bb2\u89e3\u3002<\/p>\n<h2>\u7b2c\u4e00\u9636\u6bb5\uff1a\u57fa\u7840\u8ba4\u77e5\u4e0e\u5de5\u5177\u51c6\u5907<\/h2>\n<p>\u5728\u5f00\u59cb\u89e3\u9898\u4e4b\u524d\uff0c\u5fc5\u987b\u5efa\u7acb\u5bf9\u6742\u9879\u9898\u5e38\u89c1\u7c7b\u578b\u7684\u521d\u6b65\u8ba4\u77e5\uff0c\u5e76\u51c6\u5907\u597d\u5fc5\u8981\u7684\u5de5\u5177\u3002\u6742\u9879\u9898\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u5927\u7c7b\uff1a<\/p>\n<ul>\n<li><strong>\u7f16\u7801\u4e0e\u89e3\u7801\u7c7b\uff1a<\/strong> \u6d89\u53caBase16\/32\/64\u3001URL\u7f16\u7801\u3001Unicode\u3001ROT13\u3001\u4e8c\u8fdb\u5236\u3001\u5341\u516d\u8fdb\u5236\u3001ASCII\u3001\u83ab\u5c14\u65af\u7535\u7801\u3001\u57f9\u6839\u5bc6\u7801\u3001\u732a\u5708\u5bc6\u7801\u7b49\u5e38\u89c1\u7684\u7f16\u7801\u548c\u53e4\u5178\u5bc6\u7801\u3002<\/li>\n<li><strong>\u6587\u4ef6\u5206\u6790\u4e0e\u9690\u5199\u7c7b\uff1a<\/strong> \u5229\u7528\u5de5\u5177\u68c0\u67e5\u56fe\u7247\u3001\u97f3\u9891\u3001\u6587\u6863\u3001\u538b\u7f29\u5305\u7b49\u6587\u4ef6\u4e2d\u9690\u85cf\u7684\u4fe1\u606f\u3002\u5e38\u89c1\u624b\u6cd5\u6709LSB\u9690\u5199\u3001\u9644\u52a0\u6570\u636e\u3001\u4fee\u6539\u6587\u4ef6\u5934\u3001Exif\u4fe1\u606f\u3001\u97f3\u9891\u9891\u8c31\u56fe\u3001\u89c6\u9891\u5e27\u5206\u6790\u7b49\u3002<\/li>\n<li><strong>\u6d41\u91cf\u53d6\u8bc1\u7c7b\uff1a<\/strong> \u5206\u6790PCAP\/PCAPNG\u683c\u5f0f\u7684\u7f51\u7edc\u6570\u636e\u5305\uff0c\u63d0\u53d6HTTP\u3001FTP\u3001DNS\u3001TCP\/UDP\u7b49\u534f\u8bae\u4e2d\u7684\u9690\u85cf\u6570\u636e\uff0c\u6216\u8fd8\u539f\u6076\u610f\u8f6f\u4ef6\u7684\u901a\u4fe1\u884c\u4e3a\u3002<\/li>\n<li><strong>\u5185\u5b58\u53d6\u8bc1\u7c7b\uff1a<\/strong> \u5bf9\u5185\u5b58\u8f6c\u50a8\u6587\u4ef6\uff08\u5982raw\u3001mem\u683c\u5f0f\uff09\u8fdb\u884c\u5206\u6790\uff0c\u4f7f\u7528Volatility\u7b49\u5de5\u5177\u63d0\u53d6\u8fdb\u7a0b\u3001\u7f51\u7edc\u8fde\u63a5\u3001\u547d\u4ee4\u884c\u5386\u53f2\u3001\u52a0\u5bc6\u5bc6\u94a5\u7b49\u3002<\/li>\n<li><strong>\u7efc\u5408\u4e0e\u8bbe\u8ba1\u7c7b\uff1a<\/strong> \u878d\u5408\u4e0a\u8ff0\u591a\u79cd\u7c7b\u578b\uff0c\u6216\u6d89\u53ca\u7b97\u6cd5\u3001\u8111\u6d1e\u3001\u793e\u5de5\u3001\u7269\u7406\u5b89\u5168\u7b49\u9886\u57df\u7684\u9898\u76ee\u3002<\/li>\n<\/ul>\n<blockquote><p><strong>\u65b0\u624b\u5fc5\u88c5\u5de5\u5177\u6e05\u5355\uff1a<\/strong> \u5efa\u8bae\u63d0\u524d\u5b89\u88c5\u5e76\u719f\u6089\u4ee5\u4e0b\u5de5\u5177\uff1a<\/p>\n<ul>\n<li>\u6587\u4ef6\u5206\u6790\uff1a010 Editor\u3001Hex Editor Neo\u3001file\u547d\u4ee4\uff08Linux\uff09\u3001binwalk<\/li>\n<li>\u9690\u5199\u5206\u6790\uff1aStegsolve\u3001zsteg\u3001Steghide\u3001Audacity\u3001Wireshark\u3001Binwalk\u3001Foremost<\/li>\n<li>\u7f16\u7801\u8f6c\u6362\uff1aCyberChef\uff08\u7f51\u9875\u795e\u5668\uff09\u3001Python\uff08base64\u3001binascii\u6a21\u5757\uff09<\/li>\n<li>\u5185\u5b58\u53d6\u8bc1\uff1aVolatility 2\/3\u3001Rekall<\/li>\n<li>\u7efc\u5408\u5de5\u5177\uff1aKali Linux\u3001Windows\u4e0b\u7684\u4e13\u7528\u865a\u62df\u673a<\/li>\n<\/ul>\n<\/blockquote>\n<h2>\u7b2c\u4e8c\u9636\u6bb5\uff1a\u4fe1\u606f\u6536\u96c6\u4e0e\u6587\u4ef6\u521d\u6b65\u5206\u6790<\/h2>\n<p>\u62ff\u5230\u4e00\u9053\u6742\u9879\u9898\u7684\u7b2c\u4e00\u6b65\uff0c\u4e0d\u662f\u76f2\u76ee\u8fd0\u884c\u5de5\u5177\uff0c\u800c\u662f\u51b7\u9759\u5730\u6536\u96c6\u4fe1\u606f\u3002\u8fd9\u5305\u62ec\uff1a<\/p>\n<h3>1. \u5ba1\u67e5\u9898\u76ee\u63cf\u8ff0<\/h3>\n<p>\u9898\u76ee\u63cf\u8ff0\u5f80\u5f80\u5305\u542b\u5173\u952e\u7ebf\u7d22\u3002\u4f8b\u5982\u201c\u8fd9\u662f\u4e00\u5f20\u88ab\u4fee\u6539\u8fc7\u7684\u65c5\u6e38\u7167\u7247\u201d\u3001\u201c\u5f55\u97f3\u4e2d\u6709\u5f02\u5e38\u7684\u6742\u97f3\u201d\u3001\u201c\u6d41\u91cf\u5305\u9690\u85cf\u4e86\u4e00\u6bb5\u79d8\u5bc6\u201d\u3002\u8fd9\u4e9b\u63cf\u8ff0\u76f4\u63a5\u6307\u5411\u4e86\u9898\u76ee\u7c7b\u578b\uff08\u56fe\u50cf\u9690\u5199\u3001\u97f3\u9891\u9690\u5199\u3001\u6d41\u91cf\u5206\u6790\uff09\u3002\u4ed4\u7ec6\u9605\u8bfb\u6bcf\u4e00\u4e2a\u5b57\uff0c\u751a\u81f3\u6807\u70b9\u7b26\u53f7\uff0c\u90fd\u53ef\u80fd\u6697\u793a\u7740\u89e3\u9898\u7684\u7a81\u7834\u53e3\u3002<\/p>\n<h3>2. \u68c0\u67e5\u6587\u4ef6\u7c7b\u578b\u4e0e\u6269\u5c55\u540d<\/h3>\n<p><strong>\u5173\u952e\u601d\u8def\uff1a<\/strong> \u5f88\u591a\u9690\u85cf\u6570\u636e\u7684\u7b2c\u4e00\u6b65\u5c31\u662f\u4fee\u6539\u6587\u4ef6\u6269\u5c55\u540d\u6216\u6587\u4ef6\u5934\u3002\u4e0d\u8981\u76f8\u4fe1\u7cfb\u7edf\u663e\u793a\u7684\u7c7b\u578b\uff0c\u8981\u4f7f\u7528\u5de5\u5177\u9a8c\u8bc1\u3002\u4f7f\u7528<code>file<\/code>\u547d\u4ee4\uff08Linux\uff09\u6216<code>\u67e5\u770b\u6587\u4ef6\u5934<\/code>\uff08Hex\u7f16\u8f91\u5668\uff09\u786e\u8ba4\u6587\u4ef6\u771f\u5b9e\u683c\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a\u770b\u4f3c.txt\u7684\u6587\u4ef6\uff0c\u5341\u516d\u8fdb\u5236\u5f00\u5934\u662f<code>89 50 4E 47 0D 0A 1A 0A<\/code>\uff0c\u5b9e\u9645\u662fPNG\u56fe\u7247\u3002<\/li>\n<li>\u4e00\u4e2a.wav\u97f3\u9891\u6587\u4ef6\uff0c\u6587\u4ef6\u5934\u53ef\u80fd\u662fRIFF\uff0c\u4f46\u5982\u679c\u53d1\u73b0\u6587\u4ef6\u672b\u5c3e\u6709\u5927\u91cf\u7684\u5176\u4ed6\u6570\u636e\uff0c\u53ef\u80fd\u5b58\u5728\u9644\u52a0\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h3>3. \u4f7f\u7528strings\u548cbinwalk\u8fdb\u884c\u5feb\u901f\u626b\u63cf<\/h3>\n<p><code>strings<\/code>\u547d\u4ee4\u53ef\u4ee5\u63d0\u53d6\u6587\u4ef6\u4e2d\u6240\u6709\u53ef\u6253\u5370\u7684ASCII\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u53d1\u73b0\u9690\u85cf\u6587\u672c\u3001\u63d0\u793a\u3001\u6216\u8005Flag\u5b57\u7b26\u4e32\u7684\u5feb\u901f\u65b9\u6cd5\u3002\u5c24\u5176\u5728\u4e8c\u8fdb\u5236\u3001\u56fe\u7247\u548c\u538b\u7f29\u5305\u6587\u4ef6\u4e2d\uff0c\u5f88\u591a\u660e\u6587\u4fe1\u606f\u4f1a\u88ab\u76f4\u63a5\u66b4\u9732\u3002<\/p>\n<p><code>binwalk<\/code>\u662f\u5f3a\u5927\u7684\u56fa\u4ef6\u5206\u6790\u5de5\u5177\uff0c\u4f46\u5b83\u540c\u6837\u9002\u7528\u4e8eCTF\u6742\u9879\u9898\u3002\u5b83\u53ef\u4ee5\u626b\u63cf\u6587\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u5176\u4ed6\u5d4c\u5165\u7684\u6587\u4ef6\uff08\u4f8b\u5982PNG\u4e2d\u9690\u85cf\u4e86ZIP\u6587\u4ef6\u3001JPEG\u4e2d\u9690\u85cf\u4e86RAR\u6587\u4ef6\uff09\u3002\u5982\u679c\u53d1\u73b0\u591a\u4e2a\u7c7b\u578b\u6807\u8bc6\uff0c\u4f7f\u7528<code>binwalk -e<\/code>\u53ef\u4ee5\u5c1d\u8bd5\u81ea\u52a8\u63d0\u53d6\u3002<\/p>\n<blockquote><p><strong>\u5b9e\u6218\u6848\u4f8b1\uff1a<\/strong> \u4e00\u4e2a\u540d\u4e3a\u201csecret.png\u201d\u7684\u56fe\u7247\uff0c\u5927\u5c0f\u4e3a1MB\u3002\u76f4\u63a5\u6253\u5f00\u56fe\u7247\u663e\u793a\u6b63\u5e38\u3002\u4f7f\u7528<code>strings secret.png | grep 'flag'<\/code>\u6ca1\u6709\u53d1\u73b0\u3002\u4f46\u4f7f\u7528<code>binwalk secret.png<\/code>\u68c0\u6d4b\u5230\u5728\u56fe\u7247\u6570\u636e\u540e\u5b58\u5728ZIP\u6587\u4ef6\u3002\u4f7f\u7528<code>binwalk -e secret.png<\/code>\u6210\u529f\u63d0\u53d6\u51fa\u4e00\u4e2a\u88ab\u52a0\u5bc6\u7684ZIP\u5305\uff0c\u540e\u7eed\u9700\u8981\u7206\u7834\u5bc6\u7801\u3002<\/p><\/blockquote>\n<h3>4. \u68c0\u67e5\u6587\u4ef6\u5143\u6570\u636e<\/h3>\n<p>\u56fe\u7247\u7684Exif\u4fe1\u606f\u3001Microsoft Office\u6587\u6863\u7684\u5143\u6570\u636e\u3001PDF\u7684\u9690\u85cf\u5c42\u90fd\u53ef\u80fd\u5305\u542b\u7ebf\u7d22\u3002\u4f7f\u7528ExifTool\u6216\u76f4\u63a5\u67e5\u770b\u6587\u4ef6\u5c5e\u6027\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u56fe\u7247\u7684\u201c\u5907\u6ce8\u201d\u5b57\u6bb5\u53ef\u80fd\u662f\u4e00\u4e32Base64\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<h2>\u7b2c\u4e09\u9636\u6bb5\uff1a\u6df1\u5165\u5206\u6790\u4e0e\u5e38\u7528\u9690\u5199\u672f\u7834\u89e3<\/h2>\n<p>\u5f53\u521d\u6b65\u626b\u63cf\u6ca1\u6709\u660e\u663e\u53d1\u73b0\u65f6\uff0c\u9700\u8981\u6839\u636e\u6587\u4ef6\u7c7b\u578b\u8fdb\u884c\u9488\u5bf9\u6027\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u89c1\u7684\u51e0\u7c7b\u9690\u5199\u5206\u6790\u3002<\/p>\n<h3>1. \u56fe\u50cf\u9690\u5199\uff08LSB\u4e0e\u901a\u9053\u5206\u6790\uff09<\/h3>\n<p>LSB\uff08Least Significant Bit\uff0c\u6700\u4f4e\u6709\u6548\u4f4d\uff09\u9690\u5199\u662f\u6700\u5e38\u89c1\u7684\u56fe\u50cf\u9690\u5199\u672f\u3002\u5b83\u5c06\u6570\u636e\u5b58\u50a8\u5728\u6bcf\u4e2a\u50cf\u7d20\u989c\u8272\u5206\u91cf\uff08R\u3001G\u3001B\uff09\u7684\u6700\u4f4e\u4e00\u4f4d\u4e2d\u3002\u7531\u4e8e\u6539\u52a8\u7684\u5e45\u5ea6\u6781\u5c0f\u4fbf\u4eba\u773c\u4e0d\u53ef\u89c1\u3002<\/p>\n<p><strong>\u7834\u89e3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528Stegsolve\uff1a\u8f7d\u5165\u56fe\u7247\u540e\uff0c\u901a\u8fc7\u201cAnalyse\u201d-&gt;\u201cPlane\u201d\u6216\u201cColour channels\u201d\u67e5\u770b\u5404\u4e2a\u901a\u9053\u7684\u4f4d\u5e73\u9762\u3002\u901a\u5e38\uff0cLSB\u9690\u5199\u7684\u6570\u636e\u5728\u6700\u4f4e\u4f4d\u5e73\u9762\u5448\u73b0\u51fa\u660e\u663e\u7684\u89c4\u5f8b\u6027\u6216\u8005\u51fa\u73b0\u53ef\u8bc6\u522b\u6587\u5b57\u3002<\/li>\n<li>\u4f7f\u7528zsteg\uff1a\u8fd9\u662f\u9488\u5bf9PNG\u548cBMP\u7684LSB\u68c0\u6d4b\u5de5\u5177\u3002\u8fd0\u884c<code>zsteg image.png<\/code>\u53ef\u81ea\u52a8\u68c0\u6d4bLSB\u3001LSB\u7684MSB\u3001\u4ee5\u53caPalette\u7b49\u4e0d\u540c\u6a21\u5f0f\u7684\u9690\u5199\u3002\u5b83\u4f1a\u5c1d\u8bd5\u591a\u79cd\u4f4d\u6df1\u5ea6\u548c\u901a\u9053\u7ec4\u5408\uff0c\u5e76\u63d0\u53d6\u53ef\u80fd\u7684\u6570\u636e\u3002<\/li>\n<li>\u624b\u52a8\u63d0\u53d6\uff1a\u4f7f\u7528Python\u811a\u672c\uff0c\u8bfb\u53d6\u56fe\u50cf\u50cf\u7d20\u6570\u636e\uff0c\u63d0\u53d6\u6700\u4f4e\u4f4d\u7ec4\u5408\u6210\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u8fd9\u9002\u5408\u4e86\u89e3\u5185\u90e8\u539f\u7406\u3002<\/li>\n<\/ul>\n<h3>2. \u6587\u4ef6\u62fc\u63a5\u4e0e\u9644\u52a0\u6570\u636e<\/h3>\n<p>\u5f88\u591a\u9898\u76ee\u5c06\u591a\u4e2a\u6587\u4ef6\u76f4\u63a5\u62fc\u63a5\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u3002\u4f8b\u5982\uff0c\u4e00\u4e2aJPG\u56fe\u7247\u7684\u672b\u5c3e\u63a5\u4e0a\u4e00\u4e2aZIP\u538b\u7f29\u5305\u3002\u5f53Windows\u6216\u5e38\u89c4\u56fe\u7247\u67e5\u770b\u5668\u6253\u5f00\u65f6\uff0c\u53ea\u4f1a\u663e\u793a\u56fe\u7247\uff0c\u800c\u9690\u85cf\u7684ZIP\u6587\u4ef6\u4e0d\u4f1a\u5f71\u54cd\u56fe\u7247\u663e\u793a\u3002<\/p>\n<p><strong>\u7834\u89e3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528HxD\u7b49\u5341\u516d\u8fdb\u5236\u7f16\u8f91\u5668\u6253\u5f00\u6587\u4ef6\uff0c\u6eda\u52a8\u5230\u6587\u4ef6\u672b\u5c3e\uff0c\u89c2\u5bdf\u662f\u5426\u6709\u660e\u663e\u7684\u5176\u4ed6\u6587\u4ef6\u5934\u90e8\uff08\u5982PK\u3001504B0304\u5f00\u5934\u7684ZIP\uff09\u3002<\/li>\n<li>\u4f7f\u7528Foremost\u3001Photorec\u7b49\u81ea\u52a8\u6062\u590d\u5de5\u5177\uff0c\u53ef\u4ee5\u81ea\u52a8\u6839\u636e\u6587\u4ef6\u7b7e\u540d\u62c6\u5206\u6587\u4ef6\u3002<\/li>\n<li>\u624b\u52a8\u8ba1\u7b97\u504f\u79fb\u91cf\uff0c\u4f7f\u7528<code>dd<\/code>\u547d\u4ee4\u6216\u7f16\u7a0b\u622a\u53d6\u3002<\/li>\n<\/ul>\n<h3>3. \u97f3\u9891\u9690\u5199<\/h3>\n<p>\u97f3\u9891\u9690\u5199\u5e38\u89c1\u5f62\u5f0f\u6709\uff1a<\/p>\n<ul>\n<li><strong>\u9891\u8c31\u56fe\uff1a<\/strong> \u5728Audacity\u4e2d\u6253\u5f00\u97f3\u9891\u6587\u4ef6\uff0c\u9009\u62e9\u201c\u9891\u8c31\u56fe\u201d\u89c6\u56fe\u6a21\u5f0f\u3002\u5982\u679c\u97f3\u9891\u4e2d\u9690\u85cf\u4e86\u56fe\u7247\u6216\u6587\u5b57\uff0c\u4f1a\u5728\u9891\u8c31\u4e0a\u4ee5\u7279\u5b9a\u9891\u7387\u663e\u793a\u51fa\u6765\u3002\u5e38\u89c1\u4e8e\u6c34\u5370\u6216\u6469\u65af\u7535\u7801\u3002<\/li>\n<li><strong>\u6469\u65af\u7535\u7801\uff1a<\/strong> \u97f3\u9891\u4e2d\u51fa\u73b0\u89c4\u5f8b\u7684\u201c\u6ef4-\u7b54\u201d\u58f0\uff0c\u901a\u8fc7\u5bf9\u6bd4\u957f\u77ed\u97f3\u7684\u65f6\u957f\uff0c\u53ef\u4ee5\u89e3\u7801\u6210\u6469\u65af\u4ee3\u7801\u3002<\/li>\n<li><strong>LSB\u97f3\u9891\uff1a<\/strong> \u7c7b\u4f3c\u56fe\u50cfLSB\uff0c\u5728WAV\u6587\u4ef6\u7684\u91c7\u6837\u6570\u636e\u4e2d\u9690\u85cf\u4fe1\u606f\u3002\u53ef\u4f7f\u7528DeepSound\u6216\u7f16\u5199Python\u811a\u672c\u5904\u7406\u3002<\/li>\n<li><strong>\u6ce2\u5f62\u5dee\u5f02\uff1a<\/strong> \u6709\u65f6Flag\u4fe1\u606f\u901a\u8fc7\u4fee\u6539\u97f3\u9891\u6ce2\u5f62\u7684\u632f\u5e45\u7f16\u7801\uff0c\u9700\u8981\u5bf9\u6bd4\u539f\u59cb\u6ce2\u5f62\u3002<\/li>\n<\/ul>\n<h3>4. \u538b\u7f29\u5305\u5904\u7406<\/h3>\n<p>\u6742\u9879\u9898\u4e2d\u7ecf\u5e38\u51fa\u73b0\u52a0\u5bc6\u7684ZIP\u6216RAR\u5305\u3002\u5e38\u89c1\u7684\u6311\u6218\u70b9\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li><strong>\u4f2a\u52a0\u5bc6\uff1a<\/strong> \u538b\u7f29\u5305\u770b\u4f3c\u6709\u5bc6\u7801\uff0c\u4f46\u5b9e\u9645\u4e0a\u52a0\u5bc6\u4f4d\u88ab\u7f6e\u4f4d\uff0c\u5229\u7528\u8f6f\u4ef6\u7279\u6027\u8fdb\u884c\u4f2a\u88c5\u3002\u4f7f\u7528ZipCenOp\u30017-Zip\u6216\u8005\u76f4\u63a5\u5728\u5341\u516d\u8fdb\u5236\u7f16\u8f91\u5668\u4e2d\u4fee\u6539\u6587\u4ef6\u5934\u4e2d\u7684\u52a0\u5bc6\u6807\u5fd7\u4f4d\uff08\u5168\u5c40\u65b9\u5f0f\u4f4d\uff09\u53ef\u4ee5\u7ed5\u8fc7\u3002<\/li>\n<li><strong>\u660e\u6587\u653b\u51fb\uff1a<\/strong> \u5982\u679c\u77e5\u9053ZIP\u5305\u4e2d\u4efb\u4e00\u6587\u4ef6\u7684\u660e\u6587\u5185\u5bb9\uff08\u6bd4\u5982\u4e00\u4e2a\u5df2\u77e5\u7684Readme.txt\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528bkcrack\u8fdb\u884c\u660e\u6587\u653b\u51fb\uff0c\u6062\u590dZIP\u5305\u7684\u52a0\u5bc6\u5bc6\u94a5\u3002<\/li>\n<li><strong>\u5f31\u5bc6\u7801\u7206\u7834\uff1a<\/strong> \u4f7f\u7528John the Ripper\u6216fcrackzip\u5bf9\u538b\u7f29\u5305\u8fdb\u884c\u5b57\u5178\u7834\u89e3\u6216\u66b4\u529b\u7834\u89e3\u3002\u6ce8\u610fPython\u7f16\u5199\u7684\u5bc6\u7801\u7206\u7834\u811a\u672c\u4e5f\u80fd\u80dc\u4efb\u3002<\/li>\n<li><strong>CRC32\u78b0\u649e\uff1a<\/strong> \u5982\u679c\u538b\u7f29\u5305\u4e2d\u7684\u6587\u4ef6\u975e\u5e38\u5c0f\uff08\u4f8b\u5982\u4ec5\u51e0\u4e2a\u5b57\u8282\uff09\uff0c\u4e14\u4e0d\u77e5\u9053\u5185\u5bb9\uff0c\u4f46\u77e5\u9053CRC32\u503c\uff0c\u53ef\u4ee5\u901a\u8fc7\u66b4\u529b\u65b9\u5f0f\u5339\u914d\u6574\u6570\u503c\u3002<\/li>\n<\/ul>\n<h2>\u7b2c\u56db\u9636\u6bb5\uff1a\u6d41\u91cf\u5206\u6790\u4e0e\u7f51\u7edc\u53d6\u8bc1<\/h2>\n<p>\u6d41\u91cf\u5305\u5206\u6790\u662f\u6742\u9879\u9898\u7684\u9ad8\u9891\u8003\u70b9\u3002\u6838\u5fc3\u5de5\u5177\u662fWireshark\u3002<\/p>\n<h3>1. \u5feb\u901f\u7edf\u8ba1\u4e0e\u8fc7\u6ee4<\/h3>\n<p>\u6253\u5f00PCAP\u6587\u4ef6\u540e\uff0c\u9996\u5148\u4f7f\u7528\u201cStatistics\u201d-&gt;\u201cProtocol Hierarchy\u201d\u67e5\u770b\u6d41\u91cf\u4e2d\u5305\u542b\u54ea\u4e9b\u534f\u8bae\u3002\u91cd\u70b9\u5173\u6ce8HTTP\u3001FTP\u3001Telnet\u3001IMAP\u7b49\u57fa\u4e8e\u6587\u672c\u7684\u534f\u8bae\uff0c\u4ee5\u53ca\u5f02\u5e38\u7684DNS\u67e5\u8be2\u3001ICMP\u5305\uff08Ping\u96a7\u9053\uff09\u3002<\/p>\n<p>\u4f7f\u7528Wireshark\u7684\u8fc7\u6ee4\u5668\u7f29\u5c0f\u8303\u56f4\u3002\u4f8b\u5982\uff1a<code>http.request<\/code>\u663e\u793a\u6240\u6709HTTP\u8bf7\u6c42\uff0c<code>ftp-data<\/code>\u663e\u793aFTP\u6570\u636e\u4f20\u8f93\uff0c<code>dns.qry.name contains \"ctf\"<\/code>\u641c\u7d22DNS\u67e5\u8be2\u4e2d\u7684\u5173\u952e\u5b57\u3002<\/p>\n<h3>2. \u6570\u636e\u63d0\u53d6<\/h3>\n<p>\u5f88\u591a\u65f6\u5019\uff0cFlag\u76f4\u63a5\u901a\u8fc7HTTP\u3001FTP\u660e\u6587\u4f20\u8f93\uff0c\u6216\u8005\u9690\u85cf\u5728\u56fe\u7247\u4e0b\u8f7d\u3001POST\u8bf7\u6c42\u3001Cookie\u4e2d\u3002Wireshark\u652f\u6301\u201cFollow TCP Stream\u201d\u529f\u80fd\uff0c\u53ef\u4ee5\u76f4\u63a5\u67e5\u770bTCP\u4f1a\u8bdd\u7684\u5b8c\u6574\u5185\u5bb9\u3002\u5982\u679c\u53d1\u73b0Base64\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u6216\u6587\u4ef6\u5934\uff0c\u53ef\u4ee5\u53f3\u952e\u5bfc\u51fa\u3002<\/p>\n<p>\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u6570\u636e\u9690\u85cf\u5728\u65e0\u610f\u4e49\u7684ICMP\u5305\u7684\u6570\u636e\u90e8\u5206\uff08Ping\u96a7\u9053\uff09\u3001\u6216\u8005DNS\u5b50\u57df\u540d\u4e2d\uff0c\u9700\u8981\u7f16\u5199Python\u811a\u672c\uff08\u4f7f\u7528Scapy\u5e93\uff09\u89e3\u6790\u6bcf\u4e00\u4e2a\u62a5\u6587\uff0c\u63d0\u53d6\u7279\u5b9a\u5b57\u6bb5\u5e76\u91cd\u7ec4\u3002<\/p>\n<h3>3. \u5bf9\u8c61\u5bfc\u51fa<\/h3>\n<p>Wireshark\u7684\u201cFile\u201d-&gt;\u201cExport Objects\u201d\u53ef\u4ee5\u5bfc\u51faHTTP\u3001SMB\u3001FTP\u7b49\u534f\u8bae\u4f20\u8f93\u7684\u6587\u4ef6\u3002\u5982\u679c\u6d41\u91cf\u5305\u91cc\u6709\u4e0b\u8f7d\u56fe\u7247\u3001\u6587\u6863\u3001\u538b\u7f29\u5305\u7684\u884c\u4e3a\uff0c\u76f4\u63a5\u5bfc\u51fa\u5373\u53ef\u3002\u6709\u65f6Flag\u5df2\u7ecf\u88ab\u5206\u5272\u6210\u591a\u4e2aHTTP\u5206\u7247\uff0c\u9700\u8981\u624b\u52a8\u62fc\u63a5\u3002<\/p>\n<h2>\u7b2c\u4e94\u9636\u6bb5\uff1a\u8fdb\u9636\u7efc\u5408\u4e0e\u5185\u5b58\u53d6\u8bc1<\/h2>\n<p>\u5f53\u9898\u76ee\u96be\u5ea6\u8fdb\u4e00\u6b65\u63d0\u5347\uff0c\u53ef\u80fd\u4f1a\u6d89\u53ca\u5185\u5b58\u53d6\u8bc1\u3001\u7f51\u7edc\u534f\u8bae\u9006\u5411\u3001\u6216\u8005\u642d\u5efa\u590d\u6742\u7684\u73af\u5883\u3002<\/p>\n<h3>1. \u5185\u5b58\u53d6\u8bc1\uff08Volatility\u4f7f\u7528\uff09<\/h3>\n<p>\u7ed9\u5b9a\u4e00\u4e2a\u5185\u5b58\u8f6c\u50a8\u6587\u4ef6\uff08\u5982mem.raw\uff09\uff0c\u76ee\u6807\u662f\u5206\u6790\u5f53\u65f6\u7cfb\u7edf\u72b6\u6001\u3002<\/p>\n<p><strong>\u5e38\u7528\u601d\u8def\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u8bc6\u522bprofile\uff1a<\/strong> \u4f7f\u7528<code>imageinfo<\/code>\u6216<code>kdbgscan<\/code>\u786e\u5b9a\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\u3002<\/li>\n<li><strong>\u8fdb\u7a0b\u626b\u63cf\uff1a<\/strong> <code>pslist<\/code>\u3001<code>psscan<\/code>\u5217\u51fa\u6240\u6709\u8fdb\u7a0b\u3002\u6ce8\u610f\u662f\u5426\u6709\u5f02\u5e38\u8fdb\u7a0b\uff08\u5982cmd.exe\u6267\u884c\u4e86\u53ef\u7591\u547d\u4ee4\u3001notepad.exe\u7f16\u8f91\u4e86\u5185\u5bb9\u3001\u8bb0\u4e8b\u672c\u4e2d\u7559\u4e0b\u4e86Flag\uff09\u3002<\/li>\n<li><strong>\u547d\u4ee4\u884c\u5386\u53f2\uff1a<\/strong> <code>cmdscan<\/code>\u3001<code>consoles<\/code>\u53ef\u4ee5\u6062\u590d\u90e8\u5206\u63a7\u5236\u53f0\u8f93\u5165\u8f93\u51fa\u3002\u5982\u679c\u653b\u51fb\u8005\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\u4e86\u5bc6\u7801\u6216\u62f7\u8d1d\u4e86\u6587\u4ef6\uff0c\u4f1a\u88ab\u8bb0\u5f55\u3002<\/li>\n<li><strong>\u7f51\u7edc\u8fde\u63a5\uff1a<\/strong> <code>netscan<\/code>\u5217\u51fa\u6240\u6709\u7f51\u7edc\u8fde\u63a5\uff0c\u67e5\u770b\u662f\u5426\u6709\u8fdc\u7a0b\u8fde\u63a5\u6216\u76d1\u542c\u7684\u7aef\u53e3\u3002<\/li>\n<li><strong>\u6587\u4ef6\u63d0\u53d6\uff1a<\/strong> <code>filescan<\/code>\u627e\u5230\u53ef\u7591\u6587\u4ef6\uff0c<code>dumpfiles<\/code>\u5bfc\u51fa\u3002\u7279\u522b\u662f\u684c\u9762\u3001\u4e34\u65f6\u76ee\u5f55\u4e0b\u7684\u9690\u85cf\u6587\u4ef6\u3002<\/li>\n<li><strong>\u8bb0\u4e8b\u672c\u5185\u5bb9\uff1a<\/strong> \u4f7f\u7528<code>notepad<\/code>\u63d2\u4ef6\u6216<code>memdump<\/code>\u9488\u5bf9notepad.exe\u8fdb\u7a0b\u8fdb\u884c\u5185\u5b58\u8f6c\u50a8\uff0c\u7136\u540e\u7528strings\u5206\u6790\uff0c\u53ef\u80fd\u76f4\u63a5\u62ff\u5230Flag\u3002<\/li>\n<\/ul>\n<h3>2. 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