{"id":492,"date":"2024-02-17T19:07:13","date_gmt":"2024-02-17T11:07:13","guid":{"rendered":"https:\/\/blog.taiyang.space\/?p=492"},"modified":"2024-02-16T19:07:31","modified_gmt":"2024-02-16T11:07:31","slug":"buuctf-web-%e6%9e%81%e5%ae%a2%e5%a4%a7%e6%8c%91%e6%88%98-2019secret-file","status":"publish","type":"post","link":"https:\/\/blog.taiyang.space\/?p=492","title":{"rendered":"BUUCTF-Web-[\u6781\u5ba2\u5927\u6311\u6218 2019]Secret File"},"content":{"rendered":"

<\/p>\n

1. \u9898\u76ee\u63cf\u8ff0<\/h1>\n

\u9898\u76ee\u94fe\u63a5\uff1a\u6233\u6211\ud83d\udc8b<\/a><\/p>\n

2. \u89e3\u9898\u8fc7\u7a0b<\/h1>\n

\u6253\u5f00\u7f51\u9875\uff0c\u53d1\u73b0\u5565\u4e5f\u6ca1\u6709\uff0c\u9f20\u6807\u4e5f\u70b9\u4e0d\u4e86<\/p>\n

\"img\"<\/p>\n

\u76f4\u63a5\u68c0\u67e5\u5143\u7d20<\/p>\n

\"img\"<\/p>\n

\u53ef\u4ee5\u770b\u5230\u6709\u4e00\u4e2a\u94fe\u63a5\uff0c\u8df3\u8fc7\u53bb<\/p>\n

\"img\"<\/p>\n

\u70b9\u51fb\u94fe\u63a5\u8df3\u5230 end.php\uff0c\u53d1\u73b0\u5565\u4e5f\u6ca1\u6709<\/p>\n

\u4e0a burp<\/code><\/p>\n

\"img\"<\/p>\n

\u770b\u5230\u9690\u85cf\u94fe\u63a5secr3t.php<\/code><\/p>\n

\u6765\u5230\u65b0\u9875\u9762<\/p>\n

\"img\"<\/p>\n

\u4ee3\u7801\u5ba1\u8ba1\u4e00\u4e0b\uff0c\u53d1\u73b0\u4e0d\u80fd\u7528php:\/\/input<\/code>\u4f2a\u534f\u8bae\uff0c\u90a3\u5c31\u7528 base64<\/code><\/p>\n

\u53c2\u8003\u4e4b\u524d\u7684\u6587\u7ae0\uff1a\u6233\u6211\ud83d\udc8b<\/a><\/p>\n

\u6784\u9020 payload\uff1a<\/p>\n

?file=php:\/\/filter\/read=convert.base64-encode\/resource=flag.php\n<\/code><\/pre>\n
\"img\"<\/p>\n
\u62ff\u5230 base64<\/code>\u7f16\u7801\uff0c\u8fdb\u884c\u89e3\u7801<\/p>\n
\"img\"<\/p>\n
\u83b7\u5f97 flag\uff1aflag{2b4607cd-493e-40ec-813f-c193702e76c9}<\/code><\/p>\n
3. \u6240\u9700\u5de5\u5177<\/h1>\n
    \n
  • \u706b\u72d0\u6e17\u900f\u7248<\/li>\n
  • Burpsuite<\/li>\n
  • utools-coding \u63d2\u4ef6<\/li>\n<\/ul>\n
    4. \u5199\u5728\u6700\u540e<\/h1>\n
    \u672c\u6587\u5b8c
    \n\u656c\u7231\u4e0e\u660e\u5929\ud83c\udf39<\/p>\n
    <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
    1. \u9898\u76ee\u63cf\u8ff0 \u9898\u76ee\u94fe\u63a5\uff1a\u6233\u6211\ud83d\udc8b 2. \u89e3\u9898\u8fc7\u7a0b \u6253\u5f00\u7f51\u9875\uff0c\u53d1\u73b0\u5565\u4e5f\u6ca1\u6709\uff0c\u9f20\u6807\u4e5f\u70b9\u4e0d\u4e86 \u76f4\u63a5\u68c0\u67e5\u5143\u7d20 \u53ef\u4ee5\u770b\u5230 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[166,165],"class_list":["post-492","post","type-post","status-publish","format-standard","hentry","category-web","tag-ctf","tag-165"],"yoast_head":"\nBUUCTF-Web-[\u6781\u5ba2\u5927\u6311\u6218 2019]Secret File - #\u762b\u7537\u65e5\u8bb0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.taiyang.space\/?p=492\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BUUCTF-Web-[\u6781\u5ba2\u5927\u6311\u6218 2019]Secret File - 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