{"id":1075,"date":"2021-04-30T06:48:29","date_gmt":"2021-04-29T22:48:29","guid":{"rendered":"https:\/\/byy3.com\/?p=1075"},"modified":"2021-04-30T06:49:31","modified_gmt":"2021-04-29T22:49:31","slug":"ctf%e5%9b%be%e5%83%8f%e7%b1%bb%e9%9a%90%e5%86%99%e6%9c%af%e6%80%bb%e7%bb%93%ef%bc%88%e4%b8%80%ef%bc%89%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/byy3.com\/?p=1075","title":{"rendered":"CTF\u56fe\u50cf\u7c7b\u9690\u5199\u672f\u603b\u7ed3\uff08\u4e00\uff09\u5b9e\u4f8b"},"content":{"rendered":"

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png\uff1a<\/b><\/p>\n

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\u9ec4\u8272\u6846\uff1a16 F4 1E 2A CRC\u6821\u9a8c<\/p>\n

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\u00a0jpg\uff1a<\/b><\/p>\n

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\u6587\u4ef6\u5934\u6807\u8bc6\uff1aFF D8 FF<\/p>\n

\u6587\u4ef6\u5c3e\u6807\u8bc6\uff1aFF D9<\/p>\n

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\u00a0rar\uff1a<\/b><\/p>\n

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\u00a0gif\uff1a<\/b><\/p>\n

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gif\u6587\u4ef6\u5c3e\u6807\u8bc6\uff1a00 3B<\/p>\n

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zip\uff1a<\/b><\/p>\n

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\u7ea2\u8272\u6846\uff1a50 4B 03 04 \u00a0\u6587\u4ef6\u5934\u6807\u8bc6<\/p>\n

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\u7070\u8272\u6846\u4e2d\uff1a<\/p>\n

08 00\u00a0\u00a0\u00a0\u00a0\u538b\u7f29\u65b9\u5f0f<\/p>\n

87 56\u00a0\u00a0\u00a0\u00a0\u6587\u4ef6\u6700\u540e\u4fee\u6539\u65f6\u95f4<\/p>\n

5E 47\u00a0\u00a0\u00a0\u00a0\u6587\u4ef6\u6700\u540e\u4fee\u6539\u65e5\u671f<\/p>\n

AF 13 4F 85\u00a0 CRC-32\u6821\u9a8c<\/p>\n

$\"CTF\u56fe\u50cf\u7c7b\u9690\u5199\u672f\u603b\u7ed3\uff08\u4e00\uff09\u5b9e\u4f8b\u63d2\u56fe11\"$ \uff08\u538b\u7f29\u6e90\u6587\u4ef6\u6570\u636e\u533a\u56fe\uff09<\/p>\n

\u8fd9\u91cc\u5168\u5c40\u65b9\u5f0f\u4f4d\u6807\u8bb0\u4f1a\u6d89\u53ca\u5230zip\u7684\u4f2a\u52a0\u5bc6\uff0c\u4f2a\u52a0\u5bc6\u662f\u5728\u672a\u52a0\u5bc6\u7684zip\u6587\u4ef6\u57fa\u7840\u4e0a\u4fee\u6539\u4e86\u5b83\u7684\u538b\u7f29\u6e90\u6587\u4ef6\u76ee\u5f55\u533a\u91cc\u7684\u5168\u5c40\u65b9\u5f0f\u4f4d\u6807\u8bb0\u7684\u6bd4\u7279\u503c\uff0c\u4f7f\u5f97\u538b\u7f29\u8f6f\u4ef6\u6253\u5f00\u5b83\u7684\u65f6\u5019\u8bc6\u522b\u4e3a\u52a0\u5bc6\u6587\u4ef6\uff0c\u63d0\u793a\u8f93\u5165\u5bc6\u7801\uff0c\u800c\u5728\u8fd9\u4e2a\u65f6\u5019\uff0c\u4e0d\u7ba1\u7528\u4ec0\u4e48\u8f6f\u4ef6\u5bf9\u5176\u8fdb\u884c\u5bc6\u7801\u7834\u89e3\uff0c\u90fd\u65e0\u6cd5\u6253\u5f00\u5b83\u3002\u4ee5\u4e0b\u4ecb\u7ecd\u5982\u4f55\u9274\u522bzip\u4e3a\u771f\u52a0\u5bc6\u8fd8\u662f\u4f2a\u52a0\u5bc6\u3002<\/p>\n

(\u538b\u7f29\u6e90\u6587\u4ef6\u76ee\u5f55\u533a\u56fe)<\/p>\n

50 4B 01 02\uff1a\u76ee\u5f55\u4e2d\u6587\u4ef6\u6587\u4ef6\u5934\u6807\u8bb0<\/p>\n

3F 00\uff1a\u538b\u7f29\u4f7f\u7528\u7684 pkware \u7248\u672c<\/p>\n

14 00\uff1a\u89e3\u538b\u6587\u4ef6\u6240\u9700 pkware \u7248\u672c<\/p>\n

00 00\uff1a\u5168\u5c40\u65b9\u5f0f\u4f4d\u6807\u8bb0\uff08\u6709\u65e0\u52a0\u5bc6\uff09<\/p>\n

zip\u65e0\u52a0\u5bc6<\/p>\n

\u538b\u7f29\u6e90\u6587\u4ef6\u6570\u636e\u533a\u7684\u5168\u5c40\u52a0\u5bc6\u5e94\u5f53\u4e3a00 00\uff08\u538b\u7f29\u6e90\u6587\u4ef6\u6570\u636e\u533a\u56fe\u9ec4\u8272\u6846\u5904\uff09\u4e14\u538b\u7f29\u6e90\u6587\u4ef6\u76ee\u5f55\u533a\u7684\u5168\u5c40\u65b9\u5f0f\u4f4d\u6807\u8bb0\u5e94\u5f53\u4e3a00 00\uff08\u538b\u7f29\u6e90\u6587\u4ef6\u76ee\u5f55\u533a\u56fe\u4e2d\u84dd\u8272\u6846\uff09\u3002<\/p>\n

zip\u5047\u52a0\u5bc6<\/p>\n

\u538b\u7f29\u6e90\u6587\u4ef6\u6570\u636e\u533a\u7684\u5168\u5c40\u52a0\u5bc6\u5e94\u5f53\u4e3a00 00\uff0c\u4e14\u538b\u7f29\u6e90\u6587\u4ef6\u76ee\u5f55\u533a\u7684\u5168\u5c40\u65b9\u5f0f\u4f4d\u6807\u8bb0\u5e94\u5f53\u4e3a09 00\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u5bf9\u5bc6\u7801\u8fdb\u884c\u7834\u89e3\u6ca1\u6709\u7528\u65f6\uff0c\u56de\u8fc7\u5934\u6765\u67e5\u770b\u53c2\u6570\u8fdb\u884c\u4fee\u6539\uff0c\u770b\u770b\u80fd\u5426\u53e6\u6709\u6536\u83b7\u3002<\/p>\n

zip\u771f\u52a0\u5bc6<\/p>\n

\u538b\u7f29\u6e90\u6587\u4ef6\u6570\u636e\u533a\u7684\u5168\u5c40\u52a0\u5bc6\u5e94\u5f53\u4e3a09 00\uff0c\u4e14\u538b\u7f29\u6e90\u6587\u4ef6\u76ee\u5f55\u533a\u7684\u5168\u5c40\u65b9\u5f0f\u4f4d\u6807\u8bb0\u5e94\u5f53\u4e3a09 00\u3002<\/p>\n

\u4ee5\u4e0a\uff0c\u662f\u5bf9\u4e00\u4e9b\u56fe\u50cf\u7684\u57fa\u672c\u4fe1\u606f\u603b\u7ed3\u4ee5\u53ca\u4ecb\u7ecd\u4e86zip\u4f2a\u52a0\u5bc6\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u4e86\u89e3\u56fe\u7247\u7684\u4e00\u4e9b\u6807\u8bc6\uff0c\u65b9\u4fbf\u5728\u505a\u9898\u65f6\u5bf9\u56fe\u50cf\u66f4\u6e05\u6670\u7684\u8ba4\u8bc6\uff0c\u540e\u7eed\u4f1a\u4ecb\u7ecd\u5173\u4e8e\u56fe\u50cf\u9690\u5199\u4e2d\u6d89\u53ca\u5230\u7684\u5176\u4ed6\u77e5\u8bc6\u70b9\u3002<\/p>\n

\n
\u6587\u7ae0\u76ee\u5f55<\/h3>\n
\u4e00\u3001reverseMe\u4e8c\u3001a_good_idea\u4e09\u3001wireshark-1\u56db\u3001\u5c0f\u5c0f\u7684PDF\u4e94\u3001\u6253\u5f00\u7535\u52a8\u8f66\u516d\u3001gif\u4e03\u3001Aesop_secret\u516b\u3001\u7ed3\u8bba<\/p>\n
\u4e00\u3001reverseMe<\/h3>\n
1\u3001\u9644\u4ef6<\/p>\n
\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1wO3WN3Ss19LHwjGfY0r4YQ<\/span><\/a>\u63d0\u53d6\u7801\uff1aed9n\u00a0 $\"CTF\u56fe\u50cf\u7c7b\u9690\u5199\u672f\u603b\u7ed3\uff08\u4e00\uff09\u5b9e\u4f8b\u63d2\u56fe12\"$ <\/p>\n
2\u3001\u7528\u753b\u7b14\u5de5\u5177\u6253\u5f00\u2014>\u65cb\u8f6c\u2014>\u5782\u76f4\u65cb\u8f6c<\/p>\n
$\"CTF\u56fe\u50cf\u7c7b\u9690\u5199\u672f\u603b\u7ed3\uff08\u4e00\uff09\u5b9e\u4f8b\u63d2\u56fe13\"$ \u00a03\u3001\u6548\u679c<\/p>\n
$\"CTF\u56fe\u50cf\u7c7b\u9690\u5199\u672f\u603b\u7ed3\uff08\u4e00\uff09\u5b9e\u4f8b\u63d2\u56fe14\"$ \u00a04\u3001OK<\/p>\n
flag{4f7548f93c7bef1dc6a0542cf04e796e}<\/p>\n
\u4e8c\u3001a_good_idea<\/h3>\n
1\u3001\u9644\u4ef6<\/p>\n
\u94fe\u63a5\uff1a https:\/\/pan.baidu.com\/s\/1xC69L9r6qPe6jp8K1_lb3Q<\/span><\/a>\u63d0\u53d6\u7801\uff1aooit<\/p>\n
2\u3001\u9898\u76ee\u63cf\u8ff0\uff1a \u6c64\u59c6\u6709\u4e2a\u597d\u4e3b\u610f<\/p>\n
3\u3001\u662f\u4f7f\u7528\u5de5\u5177\uff081\uff09stegsolve\uff082\uff09binwalk<\/p>\n
4\u3001\u73af\u5883\uff1akail Linux<\/p>\n
5\u3001\u62f7\u8d1d\u5230kail Linux\u91cc<\/p>\n
6\u3001\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4<\/p>\n
cd \u684c\u9762 lsbinwalk a_very_good_idea.jpg \/\/binwalk -e a_very_good_idea.jpg\/\/\u53ef\u9002\u7528\u4e8e\u538b\u7f29\u6587\u4ef6,\u5982.zip\u7684\u63d0\u53d6ls<\/code><\/pre>\nbinwalk a_very_good_idea.jpg\u00a0\u00a0binwalk -e a_very_good_idea.jpg<\/p>\n \u00a07\u3001\u628a\u201c_a_very_good_idea.jpg.extracted\u201d\u6587\u4ef6\u62f7\u8d1d\u5230win\u7cfb\u7edf\u00a0\u00a08\u3001\u6587\u4ef6<\/p>\n \u00a09\u3001\u67e5\u770b\u201chint.txt\u201d<\/p>\n <\/p>\n 10\u3001\u6253\u5f00\u5de5\u5177\u201cStegsolve\u201d\uff0c\u76f4\u63a5\u5728cmd\u4e0b\u8f93\u5165\u201cjava -jar D:\\\u8fc5\u96f7\u4e0b\u8f7d\\Stegsolve.jar\u201d\uff08\u8def\u5f84\uff09\u00a0\u00a011\u3001File\u2014>Open\u2014>\u56fe\u7247\u00a0\u00a012\u3001Image Combiner\u00a0\u00a013\u3001\u6253\u5f00\u56fe\u7247<\/p>\n \u00a014\u3001\u6309\u5de6\u53f3\u952e\uff0c\u4f1a\u8df3\u51fa\u4e8c\u7ef4\u7801\u00a0\u00a015\u3001\u4e8c\u7ef4\u7801\u00a0\u00a016\u3001\u7528\u5fae\u4fe1\u626b\u4e00\u626b\uff0cflag\u5c31\u51fa\u6765\u4e86<\/p>\n <\/p>\n 17\u3001OK<\/p>\n NCTF{m1sc_1s_very_funny!!!}<\/p>\n\u4e09\u3001wireshark-1<\/h3>\n\u9898\u76ee\u6765\u6e90\uff1a \u5e7f\u897f\u9996\u5c4a\u7f51\u7edc\u5b89\u5168\u9009\u62d4\u8d5b \u9898\u76ee\u63cf\u8ff0\uff1a \u9ed1\u5ba2\u901a\u8fc7wireshark\u6293\u5230\u7ba1\u7406\u5458\u767b\u9646\u7f51\u7ad9\u7684\u4e00\u6bb5\u6d41\u91cf\u5305 \u9898\u76ee\u9644\u4ef6\uff1a \u63d0\u53d6\u6587\u4ef6<\/p>\n 1\u3001\u9644\u4ef6<\/p>\n\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1IAFQI2o1iGETeWnhxNI10A<\/span><\/a>\u63d0\u53d6\u7801\uff1aqzad<\/p>\n 2\u3001\u6587\u4ef6<\/p>\n \u00a03\u3001\u7528wireshark\u8f6f\u4ef6\u6253\u5f00\u00a0\u00a0Form item: \u201cpassword\u201d = \u201cffb7567a1d4f4abdffdb54e022f8facd\u201d<\/p>\n 4\u3001OK<\/p>\n flag{ffb7567a1d4f4abdffdb54e022f8facd}<\/p>\n \u56db\u3001\u5c0f\u5c0f\u7684PDF<\/h3>\n\u96be\u5ea6\u7cfb\u6570\uff1a \u2605\u2605\u2605 \u9898\u76ee\u9644\u4ef6\uff1a \u9644\u4ef61<\/p>\n 1\u3001\u9644\u4ef61<\/p>\n\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1j4uMJsci5gXZFcAcEgj9ig<\/span><\/a>\u63d0\u53d6\u7801\uff1a3aw8<\/p>\n 2\u3001\u6587\u4ef6\u00a0<\/p>\n 3\u3001\u62f7\u8d1d\u5230kail Linux\u91cc<\/p>\n \u00a04\u3001binwalk XXX.xxx<\/p>\n \u00a05\u3001\u63d0\u53d6<\/p>\n <\/p>\n dd if=XXX11.jpg of=XXX22.jpg skip=XX6666 bs=1<\/p>\n dd\u547d\u4ee4\u8be6\u89e3\uff0cif\u662f\u6307\u8f93\u5165\u6587\u4ef6\uff0cof\u662f\u6307\u8f93\u51fa\u6587\u4ef6\uff0cskip\u662f\u6307\u4ece\u8f93\u5165\u6587\u4ef6\u5f00\u5934\u8df3\u8fc7blocks\u4e2a\u5757\u540e\u518d\u5f00\u59cb\u590d\u5236\uff0cbs\u8bbe\u7f6e\u6bcf\u6b21\u8bfb\u5199\u5757\u7684\u5927\u5c0f\u4e3a1\u5b57\u8282 \u3002<\/p>\n 6\u300188888\u00a0\u00a07\u3001OK<\/p>\n SYC{so_so_so_easy}<\/p>\n \u4e94\u3001\u6253\u5f00\u7535\u52a8\u8f66<\/h3>\n\u96be\u5ea6\u7cfb\u6570\uff1a \u2605\u2605\u2605\u2605 \u9898\u76ee\u63cf\u8ff0\uff1a \u622a\u83b7\u4e86\u4e00\u53f0\u7535\u52a8\u8f66\u7684\u94a5\u5319\u53d1\u5c04\u51fa\u7684\u9501\u8f66\u4fe1\u53f7\uff0c3\u5206\u949f\u4e4b\u5185\uff0c\u6211\u8981\u83b7\u5f97\u5b83\u5730\u5740\u4f4d\u7684\u5168\u90e8\u4fe1\u606f\u3002flag\u5185\u5bb9\u4e8c\u8fdb\u5236\u8868\u793a\u5373\u53ef\u3002<\/p>\n \u9898\u76ee\u9644\u4ef6\uff1a \u9644\u4ef61<\/p>\n 1\u3001\u9644\u4ef61<\/p>\n\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1GYynVG0Q9PBj5hlrz7pQmQ<\/span><\/a>\u63d0\u53d6\u7801\uff1aczvo<\/p>\n 2\u3001\u6587\u4ef6<\/p>\n \u00a03\u3001\u7528\u201cAudacity\u201d\u8f6f\u4ef6\u6253\u5f00\u4ee5\u53ca\u5206\u6790<\/p>\n \u00a0\u4fe1\u53f7\uff01\u77ed\u7684\u4e00\u6bb5\u8868\u793a\u662f0\uff0c\u957f\u7684\u4e00\u6bb5\u8868\u793a\u662f1\uff0c\u5f97\u5230\u5982\u4e0b\u4e00\u6bb5\uff1a<\/p>\n 0 01110100101010100110 0010 0<\/p>\n \u4e00\u4e2a\u662fPT2242\u7684\uff0c\u524d\u97624bit\u8868\u793a\u540c\u6b65\u7801\uff0c\u4e2d\u95f4\u768420bit\u8868\u793a\u5730\u5740\u7801\uff0c\u540e\u9762\u76844bit\u8868\u793a\u529f\u80fd\u7801\uff0c\u540e\u9762\u6700\u540e\u4e00\u4e2a\u662f\u505c\u6b62\u7801\u3002<\/p>\n 4\u3001OK<\/p>\n sctf{01110100101010100110}<\/p>\n \u516d\u3001gif<\/h3>\n\u96be\u5ea6\u7cfb\u6570\uff1a \u2605\u2605\u2605\u2605 \u9898\u76ee\u63cf\u8ff0\uff1a \u83dc\u72d7\u622a\u83b7\u4e86\u4e00\u5f20\u83dc\u9e21\u53d1\u7ed9\u83dc\u732b\u7684\u52a8\u6001\u56fe\uff0c\u5374\u53d1\u73b0\u53e6\u6709\u7384\u673a \u9898\u76ee\u9644\u4ef6\uff1a \u9644\u4ef61<\/p>\n \u5bc6\u7801\u5b66\u8303\u7574<\/p>\n 1\u3001\u9644\u4ef61<\/p>\n\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1Kc1XFjn6mpLaeUyJ518Mew<\/span><\/a>\u63d0\u53d6\u7801\uff1ah16i<\/p>\n 2\u3001\u6587\u4ef6<\/p>\n \u00a03\u3001\u67e5\u770bgif\u6587\u4ef6<\/p>\n \u6253\u5f00gif\u6587\u4ef6\u51fa\u73b0\u5f88\u591a\u9ed1\u767d.jpg\uff1b \u8054\u60f3\u5230\u4e8c\u8fdb\u5236\uff0c\u767d\u8272\u56fe\u7247\u4ee3\u88680\uff0c\u9ed1\u8272\u56fe\u7247\u4ee3\u88681\u3002<\/p>\n \u00a001100110011011000110000101100111011110110100011001110101010011100101111101100111011010010100011001111101<\/p>\n 4\u3001\u4e8c\u8fdb\u5236\u8f6c\u5b57\u7b26\u4e32<\/p>\n \u00a05\u3001OK<\/p>\n flag{FuN_giF}<\/p>\n \u4e03\u3001Aesop_secret<\/h3>\n\u96be\u5ea6\u7cfb\u6570\uff1a \u2605 \u9898\u76ee\u6765\u6e90\uff1a 2019_ISCC \u9898\u76ee\u9644\u4ef6\uff1a \u9644\u4ef61<\/p>\n 1\u3001\u9644\u4ef6<\/p>\n\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/18nqlaEvi_Ib0RtKNuHR_Ww<\/span><\/a>\u63d0\u53d6\u7801\uff1apvdf<\/p>\n 2\u3001\u6587\u4ef6<\/p>\n \u00a0\u89e3\u538b\u4e4b\u540e\u53d1\u73b0\u662f\u4e00\u5f20\u52a8\u6001\u56fe\u7247\u3002<\/p>\n 3\u3001\u7528notepad\u8f6f\u4ef6\u6253\u5f00<\/p>\n \u00a0\u53d1\u73b0\u524d\u9762\u662f\u4e71\u7801\uff0c\u4f46\u6700\u540e\u4e0d\u662f\u4e71\u7801\u3002<\/p>\n U2FsdGVkX19QwGkcgD0fTjZxgijRzQOGbCWALh4sRDec2w6xsY\/ux53Vuj\/AMZBDJ87qyZL5kAf1fmAH4Oe13Iu435bfRBuZgHpnRjTBn5+xsDHONiR3t0+Oa8yG\/tOKJMNUauedvMyN4v4QKiFunw==<\/p>\n 4\u3001AEC\u7b97\u6cd5\u89e3\u5bc6<\/p>\n \u5728\u7ebfAEC\u89e3\u5bc6\uff0c\u5bc6\u7801\u4e3aISCC\u3002<\/p>\n \u00a0U2FsdGVkX18OvTUlZubDnmvk2lSAkb8Jt4Zv6UWpE7Xb43f8uzeFRUKGMo6QaaNFHZriDDV0EQ\/qt38Tw73tbQ==<\/p>\n 5\u3001\u7ee7\u7eed\u89e3\u5bc6<\/p>\n <\/p>\n 6\u3001OK<\/p>\n flag{DugUpADiamondADeepDarkMine}<\/p>\n \u516b\u3001\u7ed3\u8bba<\/h3>\n\uff08\u4e00\uff09\u5e38\u7528\u7684\u5de5\u5177\/\u8f6f\u4ef6\/\u73af\u5883<\/p>\n 1\u3001kail LInux 2\u3001Stegsolve 3\u3001winhex 4\u3001wireshark 5\u3001\u753b\u7b14\u5de5\u5177 6\u3001burpsuite 7\u3001Audacity 8\u3001\u5b57\u7b26\u4fe1\u606f\u4e0e\u4e8c\u8fdb\u5236 9\u3001notepad<\/p>\n 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5\u3001\u5229\u7528WinHex\u6253\u5f00\u56fe\u50cf\uff0c\u641c\u7d22CTF\u67e5\u770b\u662f\u5426\u5b58\u5728\u76f8\u5173\u4fe1\u606f<\/p>\n 6\u3001\u4e00\u822c\u7834\u89e3\u9690\u5199\u672f\u7684\u65b9\u6cd5<\/p>\n \uff081\uff09\u67e5\u770b\u56fe\u50cf\u2014>\u5c5e\u6027\u2014>\u8be6\u7ec6\u4fe1\u606f\u662f\u5426\u5305\u62ec\u9690\u85cf\u5185\u5bb9<\/p>\n \uff082\uff09\u5229\u7528WinHex\u6253\u5f00\u56fe\u50cf\uff0c\u641c\u7d22CTF\u67e5\u770b\u662f\u5426\u5b58\u5728\u76f8\u5173\u4fe1\u606f<\/p>\n \uff083\uff09\u68c0\u67e5\u56fe\u50cf\u5f00\u59cb\u6807\u5fd7\u548c\u7ed3\u675f\u6807\u5fd7\u662f\u5426\u6b63\u786e\uff0c\u82e5\u4e0d\u6b63\u786e\u4fee\u6539\u56fe\u50cf\u6807\u5fd7\u6062\u590d\u56fe\u50cf\uff0c\u6253\u5f00\u67e5\u770b\u662f\u5426\u5b58\u5728ctf\u6216flag\u7b49\u4fe1\u606f<\/p>\n JPEG\/JPG(2 bytes) \u6587\u4ef6\u5934\u6807\u8bc6 FF D8 \u6587\u4ef6\u7ed3\u675f\u6807\u8bc6 FF D9<\/p>\n GIF(6 bytes) \u6587\u4ef6\u5934\u6807\u8bc6 47 49 46 38 39(37) 61 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5\u3001\u5728\u7ebfRSA\u52a0\u5bc6\u89e3\u5bc6,RSA2\u52a0\u5bc6\u89e3\u5bc6 https:\/\/www.bejson.com\/enc\/rsa\/<\/p>\n 6\u300116\u8fdb\u5236\u8f6c\u6362\uff0c16\u8fdb\u5236\u8f6c\u6362\u6587\u672c https:\/\/www.sojson.com\/hexadecimal.html<\/p>\n 7\u3001python\u53cd\u7f16\u8bd1\u2013\u5728\u7ebf\u5de5\u5177 https:\/\/tool.lu\/pyc\/<\/p>\n \n\u00a0\u6211\u662f\u827a\u535a\u4e1c\uff01\u6b22\u8fce\u4f60\u548c\u6211\u4e00\u8d77\u8ba8\u8bba\uff0c\u6211\u4eec\u4e0b\u671f\u89c1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" CTF\uff08Capture The Flag\uff09\u4e2d\u6587\u4e00\u822c\u8bd1\u4f5c\u593a\u65d7\u8d5b\uff0c\u5728\u7f51\u7edc\u5b89\u5168\u9886\u57df\u4e2d\u6307\u7684\u662f\u7f51\u7edc\u5b89\u5168\u6280\u672f\u4eba\u5458\u4e4b\u95f4\u8fdb\u884c\u6280 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