{"id":384,"date":"2022-01-17T20:29:21","date_gmt":"2022-01-17T12:29:21","guid":{"rendered":"https:\/\/www.langsasec.cn\/?p=384"},"modified":"2022-11-16T21:14:38","modified_gmt":"2022-11-16T13:14:38","slug":"blfg","status":"publish","type":"post","link":"https:\/\/blog.langsasec.cn\/index.php\/2022\/01\/17\/blfg\/","title":{"rendered":"\u53d8\u91cf\u8986\u76d6"},"content":{"rendered":"

<\/span>\u4ec0\u4e48\u662f\u53d8\u91cf\u8986\u76d6<\/span><\/h3>\n

\u53d8\u91cf\u8986\u76d6\uff0c\u6307\u7684\u662f\u53ef\u4ee5\u7528\u6211\u4eec\u7684\u4f20\u53c2\u503c\u66ff\u6362\u7a0b\u5e8f\u539f\u6709\u7684\u53d8\u91cf\u503c\u3002<\/p>\n

\u53d8\u91cf\u8986\u76d6\u6f0f\u6d1e\u5927\u591a\u6570\u7531\u51fd\u6570\u548c\u7279\u6b8a\u7b26\u53f7\u4f7f\u7528\u4e0d\u5f53\u5bfc\u81f4\u3002<\/p>\n

<\/span>\u4ecb\u7ecd\u51e0\u4e2a\u51fd\u6570\u548c\u5199\u6cd5<\/span><\/h3>\n
    \n
  1. \n

    $$<\/p>\n

    $$\u5199\u6cd5\u4e3a\u53ef\u53d8\u53d8\u91cf\uff0c\u7c7b\u4f3c\u4e8e\u5957\u5a03\uff0c\u6709\u70b9\u50cf\u4e8c\u91cd\u79ef\u5206\u7684\u5199\u6cd5\uff0c\u4e00\u4e2a\u53ef\u53d8\u53d8\u91cf\u83b7\u53d6\u4e86\u4e00\u4e2a\u666e\u901a\u53d8\u91cf\u7684\u503c\u4f5c\u4e3a\u8fd9\u4e2a\u53ef\u53d8\u53d8\u91cf\u7684\u53d8\u91cf\u540d\u3002<\/p>\n

    eg:https:\/\/www.php.net\/manual\/zh\/language.variables.variable.php<\/a><\/p>\n<\/li>\n

  2. \n

    extract()<\/p>\n

    \u4ece\u6570\u7ec4\u4e2d\u5c06\u53d8\u91cf\u5bfc\u5165\u5230\u5f53\u524d\u7684\u7b26\u53f7\u8868<\/p>\n

    eg:https:\/\/www.runoob.com\/php\/func-array-extract.html<\/a><\/p>\n

     \"Cat\",\"b\" => \"Dog\", \"c\" => \"Horse\");\nextract($my_array);\necho \"\\$a = $a; \\$b = $b; \\$c = $c\";\n?>\n\n   #\u8f93\u51fa\uff1a$a = Cat; $b = Dog; $c = Horse;<\/code><\/pre>\n<\/li>\n
  3. \n
    parse_str()<\/p>\n
    parse_str() \u51fd\u6570\u628a\u67e5\u8be2\u5b57\u7b26\u4e32\u89e3\u6790\u5230\u53d8\u91cf\u4e2d.<\/p>\n
    \u6ce8\u610f\uff1aparse_str()\u4e0d\u4f1a\u9a8c\u8bc1\u5f53\u524d\u53d8\u91cf\u662f\u5426\u5b58\u5728\uff0c\u6240\u4ee5\u76f4\u63a5\u8986\u76d6\u6389\u5df2\u6709\u53d8\u91cf\u3002\u5982\u679c\u672a\u8bbe\u7f6e array \u53c2\u6570\uff0c\u7531\u8be5\u51fd\u6570\u8bbe\u7f6e\u7684\u53d8\u91cf\u5c06\u8986\u76d6\u5df2\u5b58\u5728\u7684\u540c\u540d\u53d8\u91cf\u3002<\/p>\n
    eg:https:\/\/www.runoob.com\/php\/func-string-parse-str.html<\/a><\/p>\n
    \";\necho $age;\n?>\n\n#name=Peter&age=43\u53d8\u6210\u4e86$name\u548c$age\n#\u8f93\u51fa\uff1a\n#    Peter\n#     43      <\/code><\/pre>\n<\/li>\n
  4. \n
    import_request_variables()<\/p>\n
    import_request_variables() \u51fd\u6570\u5c06 GET\uff0fPOST\uff0fCookie \u53d8\u91cf\u5bfc\u5165\u5230\u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u3002<\/p>\n
    \u5f53register_globals\u88ab\u7981\u6b62\uff0c\u53c8\u60f3\u7528\u5230\u4e00\u4e9b\u5168\u5c40\u53d8\u91cf\uff0c\u90a3\u4e48\u6b64\u51fd\u6570\u5c31\u5f88\u6709\u7528\u3002<\/p>\n
    \u7248\u672c\u8981\u6c42\uff1a\u8be5\u51fd\u6570\u5728\u6700\u65b0\u7248\u672c\u7684 PHP \u4e2d\u5df2\u7ecf\u4e0d\u652f\u6301\u3002<\/strong>PHP 4 >= 4.1.0, PHP 5 < 5.4.0<\/p>\n<\/li>\n<\/ol>\n
    <\/span>\u53d8\u91cf\u8986\u76d6\u6848\u4f8b<\/span><\/h3>\n
    $$\u5bfc\u81f4\u53d8\u91cf\u8986\u76d6\u5e38\u4e0eforeach\u4e2d\u51fa\u73b0\uff0c\u901a\u8fc7\u904d\u5386\u5217\u8868\u5c06\u83b7\u53d6\u5230\u7684\u6570\u7ec4\u952e\u540d\u4f5c\u4e3a\u53d8\u91cf\uff0c\u5217\u8868\u952e\u503c\u5206\u79bb\u3002<\/p>\n
    <?php\n$a = 1;\nforeach(array('_COOKIE','_POST','_GET') as $_request) {\nforeach($$_request as $_key=>$_value) \n{$$_key=addslashes($_value);}}\necho $a;\n?><\/code><\/pre>\n
    \u5f53\u4f20\u53c2a=2;\u90a3\u4e48$$_key=addslashes($_value);\u5c31\u53d8\u4e3a\u4e86$a = 2 \u3002<\/p>\n
    <\/span>\u9776\u573a\u7ec3\u4e60<\/span><\/h3>\n
    <\/span>\u77e5\u8bc6\u9700\u6c42<\/span><\/h4>\n
      \n
    • Session: \u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65f6\u5019\uff0c\u670d\u52a1\u5668\u628a\u5ba2\u6237\u7aef\u4fe1\u606f\u4ee5\u67d0\u79cd\u5f62\u5f0f\u8bb0\u5f55\u5728\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n
    • Session\u751f\u6210\u540e\uff0c\u53ea\u8981\u7528\u6237\u7ee7\u7eed\u8bbf\u95ee\uff0c\u670d\u52a1\u5668\u5c31\u4f1a\u66f4\u65b0Session\u7684\u6700\u540e\u8bbf\u95ee\u65f6\u95f4\uff0c\u5e76\u7ef4\u62a4\u8be5Session\u3002\u7528\u6237\u6bcf\u8bbf\u95ee\u670d\u52a1\u5668\u4e00\u6b21\uff0c\u65e0\u8bba\u662f\u5426\u8bfb\u5199Session\uff0c\u670d\u52a1\u5668\u90fd\u8ba4\u4e3a\u8be5\u7528\u6237\u7684Session\u201c\u6d3b\u8dc3\uff08active\uff09\u201d\u4e86\u4e00\u6b21\u3002<\/li>\n
    • Session\u4e0eCookie\u7684\u533a\u522b\u5728\u4e8eSession\u662f\u8bb0\u5f55\u5728\u670d\u52a1\u7aef\u7684\uff0c\u800cCookie\u662f\u8bb0\u5f55\u5728\u5ba2\u6237\u7aef\u7684\u3002<\/li>\n<\/ul>\n
      1.\u9776\u573a\u4e3aDuomiCMS\uff0c\u6240\u4ee5\u6211\u4eec\u901a\u8fc7\u627e\u5230\u6e90\u4ee3\u7801\u6765\u53d1\u73b0\u53d8\u91cf\u8986\u76d6\u6f0f\u6d1e<\/p>\n
      \"image-20220117193003049\"<\/p>\n
      2.\u5728duomiphp\/common.php\u627e\u5230\u53ef\u80fd\u5b58\u5728\u53d8\u91cf\u8986\u76d6\u7684\u5730\u65b9<\/p>\n
      \"image-20220117194134541\"<\/p>\n
      3.admin\/login.php\u91cc\u8c03\u7528\u4e86duomiphp\/common.php\u548ccheck.admin.php\u6587\u4ef6<\/p>\n
      \"image-20220117194834807\"<\/p>\n
      4.check.admin.php\u4e2d\u6709\u53ef\u4ee5\u8bbe\u7f6esession\u7684\u64cd\u4f5c<\/p>\n
      \"image-20220117195140528\"<\/p>\n
      5.session\u5bf9\u4e8e\u7ba1\u7406\u5458\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u662f\u56fa\u5b9a\u7684\uff0c\u6211\u4eec\u901a\u8fc7\u6784\u9020session\u4f20\u53c2<\/p>\n
      \u5f53groupid=1\u65f6\uff0c\u4e3a\u7ba1\u7406\u5458\u6743\u9650<\/p>\n
      \"image-20220117201116975\"<\/p>\n
      6.\u9009\u4e00\u4e2a\u80fd\u591f\u6267\u884csession\u7684\u6587\u4ef6\u4f20\u53c2\"image-20220117201924872\"<\/p>\n
      7.\u9009\u62e9interface\/comment.php\uff0c\u6784\u9020\u5173\u952esession\u53c2\u6570<\/p>\n
      \"image-20220117202113845\"<\/p>\n
      8.\u8fdb\u5165\u540e\u53f0\u62ff\u5230flag<\/p>\n
      \"image-20220117201529562\"<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4ec0\u4e48\u662f\u53d8\u91cf\u8986\u76d6 \u53d8\u91cf\u8986\u76d6\uff0c\u6307\u7684\u662f\u53ef\u4ee5\u7528\u6211\u4eec\u7684\u4f20\u53c2\u503c\u66ff\u6362\u7a0b\u5e8f\u539f\u6709\u7684\u53d8\u91cf\u503c\u3002 \u53d8\u91cf\u8986\u76d6\u6f0f\u6d1e\u5927\u591a\u6570\u7531\u51fd\u6570\u548c\u7279\u6b8a\u7b26\u53f7\u4f7f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,19],"tags":[],"class_list":["post-384","post","type-post","status-publish","format-standard","hentry","category-webpt-studynote","category-penetration-test"],"_links":{"self":[{"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts\/384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/comments?post=384"}],"version-history":[{"count":3,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts\/384\/revisions"}],"predecessor-version":[{"id":1089,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts\/384\/revisions\/1089"}],"wp:attachment":[{"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/media?parent=384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/categories?post=384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/tags?post=384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}