{"id":39610,"date":"2025-05-24T09:56:16","date_gmt":"2025-05-24T01:56:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/39610.html"},"modified":"2025-05-24T09:56:16","modified_gmt":"2025-05-24T01:56:16","slug":"sql%e6%b3%a8%e5%85%a5%e6%bc%8f%e6%b4%9e%e5%88%a9%e7%94%a8%ef%bc%9a%e4%bb%8e%e5%8f%91%e7%8e%b0%e5%88%b0%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/39610.html","title":{"rendered":"SQL\u6ce8\u5165\u6f0f\u6d1e\u5229\u7528\uff1a\u4ece\u53d1\u73b0\u5230\u670d\u52a1\u5668\u63a7\u5236"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250524015615-6831273f66815.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;SQL\u6ce8\u5165\u662f\u4e00\u79cd\u7f51\u7edc\u5b89\u5168\u6f0f\u6d1e&#xff0c;\u653b\u51fb\u8005\u5229\u7528\u7528\u6237\u8f93\u5165\u7684\u4e0d\u5f53\u9a8c\u8bc1\u6216\u8fc7\u6ee4&#xff0c;\u6ce8\u5165\u6076\u610fSQL\u4ee3\u7801&#xff0c;\u4ece\u800c\u5f71\u54cd\u6570\u636e\u5e93\u67e5\u8be2\u3002\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5229\u7528SQL\u6ce8\u5165\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u5e76\u63a7\u5236\u670d\u52a1\u5668\u7684\u6b65\u9aa4&#xff0c;\u5305\u62ec\u53d1\u73b0\u6f0f\u6d1e\u3001\u4fe1\u606f\u6536\u96c6\u3001\u6743\u9650\u63d0\u5347\u3001\u6587\u4ef6\u8bfb\u5199\u548c\u6700\u7ec8\u83b7\u5f97\u670d\u52a1\u5668\u63a7\u5236\u3002\u5f3a\u8c03\u4e86\u9632\u5fa1\u63aa\u65bd\u7684\u91cd\u8981\u6027&#xff0c;\u5982\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\u3001\u8f93\u5165\u9a8c\u8bc1\u3001\u6700\u5c0f\u6743\u9650\u539f\u5219\u3001\u65e5\u5fd7\u76d1\u63a7\u3001\u5b89\u5168\u7f16\u7801\u548c\u53ca\u65f6\u66f4\u65b0&#xff0c;\u4ee5\u9884\u9632SQL\u6ce8\u5165\u653b\u51fb\u3002 <img decoding=\"async\" alt=\"sql\u6ce8\u5165\u63d0\u6743\u62ff\u670d\u52a1\u5668\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250524015615-6831273f708d6.png\" \/> <\/p>\n<h2> 1. SQL\u6ce8\u5165\u6f0f\u6d1e\u5b9a\u4e49 <\/h2>\n<h3> SQL\u6ce8\u5165\u7684\u8d77\u6e90\u4e0e\u6982\u5ff5 <\/h3>\n<p> SQL\u6ce8\u5165\u6f0f\u6d1e\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7f51\u7edc\u5b89\u5168\u5a01\u80c1&#xff0c;\u5b83\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u6ce8\u5165\u6076\u610f\u7684SQL\u4ee3\u7801\u7247\u6bb5&#xff0c;\u4ece\u800c\u64cd\u7eb5\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u8fd9\u79cd\u6f0f\u6d1e\u8d77\u6e90\u4e8e20\u4e16\u7eaa90\u5e74\u4ee3\u672b&#xff0c;\u968f\u7740\u52a8\u6001\u7f51\u7ad9\u6280\u672f\u7684\u666e\u53ca&#xff0c;\u8bb8\u591a\u5f00\u53d1\u8005\u5728\u7f16\u5199\u6570\u636e\u5e93\u67e5\u8be2\u65f6\u672a\u80fd\u6b63\u786e\u5730\u6e05\u7406\u7528\u6237\u8f93\u5165&#xff0c;\u4f7f\u5f97\u4e0d\u6cd5\u5206\u5b50\u6709\u673a\u4f1a\u5229\u7528\u8f93\u5165\u53c2\u6570\u6765\u6267\u884c\u975e\u6388\u6743\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3002SQL\u6ce8\u5165\u6f0f\u6d1e\u4e0d\u4ec5\u5f71\u54cd\u6570\u636e\u5e93\u7684\u6570\u636e\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027&#xff0c;\u8fd8\u4f1a\u8fdb\u4e00\u6b65\u5a01\u80c1\u5230\u7cfb\u7edf\u5b89\u5168&#xff0c;\u751a\u81f3\u53ef\u80fd\u9020\u6210\u6574\u4e2a\u7ec4\u7ec7\u7684\u4fe1\u606f\u6cc4\u9732\u3002 <\/p>\n<h3> SQL\u6ce8\u5165\u7684\u5371\u5bb3\u5206\u6790 <\/h3>\n<p> SQL\u6ce8\u5165\u7684\u5371\u5bb3\u591a\u79cd\u591a\u6837&#xff0c;\u5b83\u53ef\u4ee5\u8ba9\u653b\u51fb\u8005\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1&#xff0c;\u83b7\u53d6\u654f\u611f\u6570\u636e&#xff0c;\u4f8b\u5982\u7528\u6237\u4fe1\u606f\u3001\u8d22\u52a1\u8bb0\u5f55\u3001\u751a\u81f3\u662f\u7ba1\u7406\u5458\u51ed\u636e\u3002\u6b64\u5916&#xff0c;\u653b\u51fb\u8005\u8fd8\u53ef\u80fd\u5229\u7528\u8fd9\u79cd\u6f0f\u6d1e\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\u6076\u610f\u547d\u4ee4&#xff0c;\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c&#xff0c;\u751a\u81f3\u662f\u63a7\u5236\u6574\u4e2a\u670d\u52a1\u5668\u7cfb\u7edf\u3002\u4e3a\u4e86\u7406\u89e3\u8fd9\u4e9b\u5371\u5bb3&#xff0c;\u6211\u4eec\u5fc5\u987b\u6df1\u5165\u5206\u6790SQL\u6ce8\u5165\u653b\u51fb\u7684\u5de5\u4f5c\u539f\u7406&#xff0c;\u8fd9\u6837\u624d\u80fd\u66f4\u597d\u5730\u4fdd\u62a4\u6211\u4eec\u7684\u5e94\u7528\u514d\u53d7\u4fb5\u5bb3\u3002\u5728\u540e\u7eed\u7684\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8SQL\u6ce8\u5165\u7684\u53d1\u73b0\u3001\u4fe1\u606f\u6536\u96c6\u3001\u6743\u9650\u63d0\u5347\u3001\u6587\u4ef6\u64cd\u4f5c\u4ee5\u53ca\u9632\u62a4\u63aa\u65bd\u3002 <\/p>\n<h2> 2. SQL\u6ce8\u5165\u6f0f\u6d1e\u53d1\u73b0\u8fc7\u7a0b <\/h2>\n<h3> 2.1 \u6f0f\u6d1e\u626b\u63cf\u5de5\u5177\u7684\u4f7f\u7528 <\/h3>\n<h4> 2.1.1 \u5e38\u89c1SQL\u6ce8\u5165\u626b\u63cf\u5de5\u5177\u4ecb\u7ecd <\/h4>\n<p> SQL\u6ce8\u5165\u6f0f\u6d1e\u626b\u63cf\u5de5\u5177\u662f\u5b89\u5168\u7814\u7a76\u4eba\u5458\u548c\u653b\u51fb\u8005\u5e38\u7528\u7684\u5de5\u5177&#xff0c;\u7528\u4e8e\u5feb\u901f\u8bc6\u522b\u76ee\u6807\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\u3002\u8fd9\u7c7b\u5de5\u5177\u901a\u8fc7\u81ea\u52a8\u5316\u65b9\u5f0f\u5c1d\u8bd5\u4e0d\u540c\u7684\u6ce8\u5165\u5411\u91cf&#xff0c;\u5e76\u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94&#xff0c;\u4ee5\u786e\u5b9a\u662f\u5426\u5b58\u5728\u6f0f\u6d1e\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684SQL\u6ce8\u5165\u626b\u63cf\u5de5\u5177&#xff1a; <\/p>\n<li>\n<p>  SQLmap  : SQLmap\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u81ea\u52a8\u5316SQL\u6ce8\u5165\u548c\u6570\u636e\u5e93\u670d\u52a1\u5668\u6e17\u900f\u6d4b\u8bd5\u5de5\u5177\u3002\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u7cfb\u7edf&#xff0c;\u5982MySQL\u3001PostgreSQL\u3001SQL Server\u3001Oracle\u548cDB2\u7b49&#xff0c;\u5e76\u63d0\u4f9b\u547d\u4ee4\u884c\u548c\u56fe\u5f62\u7528\u6237\u754c\u9762\u3002 <\/p>\n<\/li>\n<li>\n<p>  Havij  : Havij\u662f\u4e00\u6b3e\u56fe\u5f62\u754c\u9762\u7684\u81ea\u52a8\u5316SQL\u6ce8\u5165\u5de5\u5177&#xff0c;\u7279\u522b\u9002\u7528\u4e8e\u521d\u5b66\u8005\u3002\u5b83\u80fd\u591f\u68c0\u6d4b\u5e76\u5229\u7528SQL\u6ce8\u5165\u6f0f\u6d1e&#xff0c;\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u7cfb\u7edf&#xff0c;\u5e76\u80fd\u591f\u6293\u53d6\u6570\u636e\u548c\u6267\u884c\u6570\u636e\u5e93\u547d\u4ee4\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u81ea\u52a8SQL\u6ce8\u5165\u653b\u51fb\u5668(AutoSQLI)  : \u8be5\u5de5\u5177\u96c6\u6210\u4e86SQL\u6ce8\u5165\u653b\u51fb\u6280\u672f&#xff0c;\u652f\u6301\u5927\u591a\u6570\u6d41\u884c\u7684\u6570\u636e\u5e93\u548c\u7f51\u7edc\u670d\u52a1\u5668\u3002\u5b83\u5177\u6709\u5411\u5bfc\u5f0f\u64cd\u4f5c&#xff0c;\u65b9\u4fbf\u7528\u6237\u8fdb\u884c\u6f0f\u6d1e\u626b\u63cf\u548c\u653b\u51fb\u3002 <\/p>\n<\/li>\n<li>\n<p>  w3af  : Web\u5e94\u7528\u653b\u51fb\u548c\u5ba1\u8ba1\u6846\u67b6(w3af)\u662f\u4e00\u4e2a\u7528\u4e8eWeb\u5e94\u7528\u5b89\u5168\u5ba1\u8ba1\u7684\u6846\u67b6\u3002\u5b83\u5305\u62ecSQL\u6ce8\u5165\u5728\u5185\u7684\u591a\u79cd\u653b\u51fb\u63d2\u4ef6&#xff0c;\u5e76\u53ef\u4ee5\u96c6\u6210\u5230\u96c6\u6210\u5f00\u53d1\u73af\u5883(IDE)\u4e2d\u3002 <\/p>\n<\/li>\n<h4> 2.1.2 \u626b\u63cf\u5de5\u5177\u7684\u64cd\u4f5c\u6b65\u9aa4\u548c\u6ce8\u610f\u4e8b\u9879 <\/h4>\n<p> \u4f7f\u7528SQL\u6ce8\u5165\u626b\u63cf\u5de5\u5177\u53ef\u4ee5\u6781\u5927\u5730\u7b80\u5316\u6f0f\u6d1e\u53d1\u73b0\u8fc7\u7a0b&#xff0c;\u4f46\u5728\u64cd\u4f5c\u65f6\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u6b65\u9aa4\u548c\u4e8b\u9879&#xff1a; <\/p>\n<li>\n<p>  \u76ee\u6807\u9009\u62e9  : \u786e\u5b9a\u8981\u626b\u63cf\u7684\u76ee\u6807\u7f51\u7ad9\u6216\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5e76\u83b7\u53d6\u5176URL\u6216IP\u5730\u5740\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u626b\u63cf\u5de5\u5177\u9009\u62e9  : \u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684SQL\u6ce8\u5165\u626b\u63cf\u5de5\u5177\u3002\u5bf9\u4e8e\u521d\u5b66\u8005&#xff0c;Havij\u6216AutoSQLI\u63d0\u4f9b\u4e86\u66f4\u4e3a\u76f4\u89c2\u7684\u64cd\u4f5c\u754c\u9762&#xff1b;\u5bf9\u4e8e\u9ad8\u7ea7\u7528\u6237&#xff0c;SQLmap\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u81ea\u5b9a\u4e49\u529f\u80fd\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u914d\u7f6e\u626b\u63cf\u8bbe\u7f6e  : \u6839\u636e\u76ee\u6807\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u70b9&#xff0c;\u914d\u7f6e\u626b\u63cf\u5de5\u5177\u7684\u53c2\u6570&#xff0c;\u5982\u4ee3\u7406\u8bbe\u7f6e\u3001\u626b\u63cf\u6df1\u5ea6\u3001\u626b\u63cf\u6a21\u5757\u3001\u5ffd\u7565\u7684\u7ed3\u679c\u7b49\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u542f\u52a8\u626b\u63cf  : \u8fd0\u884c\u626b\u63cf\u5de5\u5177\u5e76\u76d1\u63a7\u626b\u63cf\u8fdb\u5ea6\u548c\u8f93\u51fa\u7ed3\u679c\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u7ed3\u679c\u5206\u6790  : \u626b\u63cf\u5b8c\u6210\u540e&#xff0c;\u5206\u6790\u7ed3\u679c\u5e76\u786e\u5b9a\u662f\u5426\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\u3002\u6ce8\u610f\u68c0\u67e5\u626b\u63cf\u5de5\u5177\u7684\u8bef\u62a5\u548c\u6f0f\u62a5\u60c5\u51b5\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u9a8c\u8bc1\u6f0f\u6d1e  : \u5982\u679c\u626b\u63cf\u5de5\u5177\u62a5\u544a\u5b58\u5728\u6f0f\u6d1e&#xff0c;\u9700\u8981\u624b\u52a8\u9a8c\u8bc1\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u5728\u626b\u63cf\u53d1\u73b0\u7684\u6ce8\u5165\u70b9\u8fdb\u884c\u624b\u52a8\u6d4b\u8bd5&#xff0c;\u4ee5\u786e\u8ba4\u6f0f\u6d1e\u7684\u771f\u5b9e\u6027\u548c\u5229\u7528\u53ef\u80fd\u6027\u3002 <\/p>\n<\/li>\n<p>  \u6ce8\u610f\u4e8b\u9879  : <\/p>\n<ul>\n<li> \u786e\u4fdd\u5728\u5408\u6cd5\u548c\u6388\u6743\u7684\u8303\u56f4\u5185\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u3002 <\/li>\n<li> \u5bf9\u76ee\u6807\u5e94\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u8fd0\u884c\u8fdb\u884c\u76d1\u63a7&#xff0c;\u907f\u514d\u626b\u63cf\u8fc7\u7a0b\u5f71\u54cd\u5176\u6027\u80fd\u3002 <\/li>\n<li> \u4e86\u89e3\u5e76\u9075\u5b88\u76f8\u5173\u7684\u6570\u636e\u4fdd\u62a4\u6cd5\u89c4&#xff0c;\u5982\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u907f\u514d\u975e\u6cd5\u83b7\u53d6\u6216\u6cc4\u9732\u654f\u611f\u6570\u636e\u3002 <\/li>\n<li> \u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d&#xff0c;\u6700\u597d\u5728\u6d4b\u8bd5\u670d\u52a1\u5668\u6216\u73af\u5883\u4e0a\u8fdb\u884c&#xff0c;\u4ee5\u51cf\u5c11\u5bf9\u751f\u4ea7\u73af\u5883\u7684\u5f71\u54cd\u3002 <\/li>\n<\/ul>\n<h3> 2.2 \u6f0f\u6d1e\u68c0\u6d4b\u539f\u7406 <\/h3>\n<h4> 2.2.1 \u8f93\u5165\u6570\u636e\u5904\u7406\u4e0d\u5f53\u5bfc\u81f4\u7684\u6f0f\u6d1e\u539f\u7406 <\/h4>\n<p> SQL\u6ce8\u5165\u6f0f\u6d1e\u7684\u51fa\u73b0&#xff0c;\u672c\u8d28\u4e0a\u662f\u56e0\u4e3aWeb\u5e94\u7528\u7a0b\u5e8f\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\u7684\u4e0d\u5f53\u5904\u7406\u3002\u5f00\u53d1\u8005\u53ef\u80fd\u672a\u80fd\u6b63\u786e\u5730\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u8fc7\u6ee4\u3001\u8f6c\u4e49\u6216\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2&#xff0c;\u5bfc\u81f4\u653b\u51fb\u8005\u53ef\u4ee5\u6784\u9020\u6076\u610fSQL\u8bed\u53e5&#xff0c;\u4ece\u800c\u6ce8\u5165\u5230\u540e\u7aef\u6570\u636e\u5e93\u4e2d\u6267\u884c\u3002 <\/p>\n<p> \u4f8b\u5982&#xff0c;\u5f53\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u5e93\u67e5\u8be2\u4f9d\u8d56\u4e8e\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u65f6&#xff0c;\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\u5b58\u5728\u98ce\u9669&#xff1a; <\/p>\n<p>$sql &#061; &#034;SELECT * FROM users WHERE username &#061; &#039;&#034; . $_POST[&#039;username&#039;] . &#034;&#039; AND password &#061; &#039;&#034; . $_POST[&#039;password&#039;] . &#034;&#039;&#034;;<\/p>\n<p> \u5982\u679c\u7528\u6237\u5728\u767b\u5f55\u8868\u5355\u4e2d\u63d0\u4ea4\u7684  username  \u6216  password  \u5305\u542bSQL\u4ee3\u7801\u7247\u6bb5&#xff0c;\u5982  &#039; OR &#039;1&#039;&#061;&#039;1  &#xff0c;\u5219\u6700\u7ec8\u6784\u9020\u7684SQL\u67e5\u8be2\u53ef\u80fd\u53d8\u6210&#xff1a; <\/p>\n<p>SELECT * FROM users WHERE username &#061; &#039;&#039; OR &#039;1&#039;&#061;&#039;1&#039; &#8212; &#039; AND password &#061; &#039;&#039;<\/p>\n<p> \u8fd9\u4e2a\u6784\u9020\u7684\u67e5\u8be2\u5c06\u7ed5\u8fc7\u5bc6\u7801\u9a8c\u8bc1&#xff0c;\u56e0\u4e3a  &#039;1&#039;&#061;&#039;1&#039;  \u603b\u662f\u4e3a\u771f\u3002 <\/p>\n<h4> 2.2.2 SQL\u6ce8\u5165\u6f0f\u6d1e\u7684\u68c0\u6d4b\u6280\u672f\u4e0e\u65b9\u6cd5 <\/h4>\n<p> \u68c0\u6d4bSQL\u6ce8\u5165\u6f0f\u6d1e\u4e3b\u8981\u4f9d\u8d56\u4e8e\u81ea\u52a8\u5316\u5de5\u5177\u548c\u624b\u5de5\u6d4b\u8bd5\u3002 <\/p>\n<p>  \u81ea\u52a8\u5316\u5de5\u5177\u68c0\u6d4b  : <\/p>\n<ul>\n<li> \u5229\u7528SQL\u6ce8\u5165\u626b\u63cf\u5de5\u5177&#xff0c;\u5982SQLmap&#xff0c;\u4f7f\u7528\u5176\u5185\u7f6e\u7684\u63a2\u6d4b\u6a21\u5757\u5bf9\u76ee\u6807URL\u8fdb\u884c\u6d4b\u8bd5\u3002\u626b\u63cf\u5668\u4f1a\u6839\u636e\u914d\u7f6e\u7684\u53c2\u6570&#xff0c;\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u6bcf\u4e2a\u8f93\u5165\u70b9\u8fdb\u884c\u6d4b\u8bd5&#xff0c;\u4ee5\u786e\u5b9a\u662f\u5426\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\u3002 <\/li>\n<li> \u626b\u63cf\u8fc7\u7a0b\u4e2d&#xff0c;\u5de5\u5177\u4f1a\u5c1d\u8bd5\u53d1\u9001\u4e0d\u540c\u7684SQL\u6ce8\u5165\u8f7d\u8377&#xff0c;\u5e76\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94&#xff08;\u5982\u9519\u8bef\u6d88\u606f\u3001\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u3001\u9875\u9762\u5185\u5bb9\u53d8\u5316\u7b49&#xff09;\u6765\u5224\u65ad\u662f\u5426\u5b58\u5728\u6f0f\u6d1e\u3002 <\/li>\n<\/ul>\n<p>  \u624b\u5de5\u6d4b\u8bd5  : <\/p>\n<ul>\n<li> \u5bf9\u4e8e\u81ea\u52a8\u5316\u5de5\u5177\u65e0\u6cd5\u786e\u5b9a\u6216\u672a\u80fd\u68c0\u6d4b\u5230\u7684\u6f0f\u6d1e&#xff0c;\u9700\u8981\u8fdb\u884c\u624b\u5de5\u6d4b\u8bd5\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u6784\u9020\u7279\u5b9a\u7684SQL\u67e5\u8be2\u7247\u6bb5&#xff0c;\u5e76\u89c2\u5bdf\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u3002 <\/li>\n<li> \u4f8b\u5982&#xff0c;\u53ef\u4ee5\u5229\u7528\u4e00\u4e9b\u901a\u7528\u7684SQL\u6ce8\u5165\u6280\u5de7&#xff0c;\u5982  UNION SELECT  \u8bed\u53e5\u6765\u5c1d\u8bd5\u8bfb\u53d6\u989d\u5916\u7684\u6570\u636e&#xff0c;\u6216\u8005\u4f7f\u7528\u5e03\u5c14\u578b\u76f2\u6ce8&#xff08;\u901a\u8fc7\u5224\u65adSQL\u67e5\u8be2\u7ed3\u679c\u7684\u5e03\u5c14\u503c&#xff09;\u548c\u65f6\u95f4\u578b\u76f2\u6ce8&#xff08;\u901a\u8fc7SQL\u67e5\u8be2\u7684\u5ef6\u65f6\u6765\u5224\u65ad&#xff09;\u6765\u63a2\u6d4b\u6f0f\u6d1e\u3002 <\/li>\n<\/ul>\n<p>  \u5b89\u5168\u63aa\u65bd  : <\/p>\n<ul>\n<li> \u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d&#xff0c;\u5e94\u907f\u514d\u5bf9\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u9020\u6210\u5f71\u54cd&#xff0c;\u786e\u4fdd\u5728\u6d4b\u8bd5\u73af\u5883\u4e2d\u8fdb\u884c\u3002 <\/li>\n<li> \u5bf9\u4e8e\u5df2\u7ecf\u90e8\u7f72\u5b89\u5168\u8865\u4e01\u548c\u9632\u62a4\u63aa\u65bd\u7684\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u53ef\u80fd\u9700\u8981\u91c7\u7528\u66f4\u9ad8\u7ea7\u7684\u624b\u5de5\u6d4b\u8bd5\u6280\u5de7\u3002 <\/li>\n<\/ul>\n<p> \u8fdb\u884cSQL\u6ce8\u5165\u6d4b\u8bd5\u65f6&#xff0c;\u638c\u63e1\u4e00\u5b9a\u7684\u6570\u636e\u5e93\u77e5\u8bc6\u548c\u7f16\u7a0b\u6280\u80fd\u81f3\u5173\u91cd\u8981&#xff0c;\u56e0\u4e3a\u8fd9\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u7406\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u548c\u903b\u8f91&#xff0c;\u4ece\u800c\u66f4\u6709\u6548\u5730\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u3002 <\/p>\n<h2> 3. \u4fe1\u606f\u6536\u96c6\u65b9\u6cd5 <\/h2>\n<h4> 3.1 \u6570\u636e\u5e93\u4fe1\u606f\u6536\u96c6 <\/h4>\n<p> \u5728\u5b89\u5168\u6d4b\u8bd5\u548c\u6e17\u900f\u6d4b\u8bd5\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u6570\u636e\u5e93\u4fe1\u606f\u6536\u96c6\u662f\u53d1\u73b0\u7cfb\u7edf\u5f31\u70b9\u548c\u6f5c\u5728\u98ce\u9669\u7684\u9996\u8981\u6b65\u9aa4\u3002\u901a\u8fc7\u5bf9\u6570\u636e\u5e93\u7684\u7ec6\u81f4\u4e86\u89e3&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u83b7\u53d6\u7cfb\u7edf\u7684\u5173\u952e\u4fe1\u606f&#xff0c;\u4ece\u800c\u7b56\u5212\u51fa\u66f4\u5177\u9488\u5bf9\u6027\u7684\u653b\u51fb\u3002 <\/p>\n<h5> 3.1.1 \u5229\u7528SQL\u6ce8\u5165\u83b7\u53d6\u6570\u636e\u5e93\u7248\u672c\u4fe1\u606f <\/h5>\n<p> \u6570\u636e\u5e93\u7248\u672c\u4fe1\u606f\u5bf9\u4e8e\u4e86\u89e3\u76ee\u6807\u7cfb\u7edf\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u6bcf\u4e2a\u6570\u636e\u5e93\u7248\u672c\u90fd\u6709\u5176\u7279\u5b9a\u7684\u6f0f\u6d1e\u548c\u5b89\u5168\u8865\u4e01&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u4fe1\u606f\u6765\u786e\u5b9a\u653b\u51fb\u65b9\u6cd5\u3002\u4f8b\u5982&#xff0c;\u901a\u8fc7SQL\u6ce8\u5165\u6f0f\u6d1e&#xff0c;\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u53d1\u9001\u7c7b\u4f3c\u4ee5\u4e0b\u7684SQL\u67e5\u8be2\u8bed\u53e5&#xff1a; <\/p>\n<p>SELECT &#064;&#064;VERSION;<\/p>\n<p> \u8fd9\u6761\u8bed\u53e5\u7684\u76ee\u7684\u662f\u83b7\u53d6\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u7248\u672c\u4fe1\u606f\u3002\u6267\u884c\u540e&#xff0c;\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5f97\u5230\u7c7b\u4f3c\u201cMicrosoft SQL Server 2016 (SP2-CU3) (KB4499181) &#8211; 13.0.5026.0 (X64)\u201d\u7684\u4fe1\u606f\u3002\u4e86\u89e3\u8fd9\u4e9b\u4fe1\u606f\u540e&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u67e5\u9605\u5df2\u516c\u5f00\u7684\u6f0f\u6d1e\u6570\u636e\u5e93&#xff0c;\u4ee5\u786e\u5b9a\u662f\u5426\u5b58\u5728\u53ef\u5229\u7528\u7684\u6f0f\u6d1e\u3002 <\/p>\n<h5> 3.1.2 \u83b7\u53d6\u6570\u636e\u5e93\u4e2d\u8868\u540d\u548c\u5217\u540d <\/h5>\n<p> \u901a\u8fc7SQL\u6ce8\u5165&#xff0c;\u653b\u51fb\u8005\u4e0d\u4ec5\u80fd\u83b7\u53d6\u6570\u636e\u5e93\u7684\u7248\u672c\u4fe1\u606f&#xff0c;\u8fd8\u80fd\u8fdb\u4e00\u6b65\u63d0\u53d6\u51fa\u6570\u636e\u5e93\u4e2d\u5177\u4f53\u6709\u54ea\u4e9b\u8868\u548c\u5217\u3002\u4f8b\u5982&#xff0c;\u5728MySQL\u6570\u636e\u5e93\u4e2d&#xff0c;\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528  information_schema  \u6570\u636e\u5e93\u6765\u83b7\u53d6\u8fd9\u4e9b\u654f\u611f\u4fe1\u606f&#xff1a; <\/p>\n<p>UNION SELECT table_schema, table_name FROM information_schema.tables&#8211;<\/p>\n<p> \u6b64\u67e5\u8be2\u4f1a\u8fd4\u56de\u6570\u636e\u5e93\u4e2d\u6240\u6709\u7684\u8868\u540d\u548c\u5b83\u4eec\u6240\u5c5e\u7684schema\u3002\u83b7\u53d6\u8868\u540d\u540e&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u53d6\u7279\u5b9a\u8868\u7684\u5217\u540d&#xff0c;\u4ece\u800c\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u6570\u636e\u7ed3\u6784&#xff1a; <\/p>\n<p>UNION SELECT column_name FROM information_schema.columns WHERE table_name&#061;&#039;table_name&#039;&#8211;<\/p>\n<h5> \u8868\u683c\u5c55\u793a\u6570\u636e\u5e93\u7248\u672c\u4fe1\u606f\u6536\u96c6 <\/h5>\n<p> | \u6570\u636e\u5e93\u7c7b\u578b | \u7248\u672c\u4fe1\u606f\u67e5\u8be2\u8bed\u53e5 | |&#8212;&#8212;&#8212;&#8212;|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;| | MySQL | SELECT &#064;&#064;VERSION; | | PostgreSQL | SELECT version(); | | Oracle | SELECT * FROM v$version; | | SQL Server | SELECT &#064;&#064;VERSION; | <\/p>\n<p> \u8868\u683c\u8bf4\u660e\u4e86\u4e0d\u540c\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u83b7\u53d6\u7248\u672c\u4fe1\u606f\u7684\u6807\u51c6SQL\u67e5\u8be2\u8bed\u53e5\u3002 <\/p>\n<h4> 3.2 \u5e94\u7528\u7a0b\u5e8f\u4fe1\u606f\u6536\u96c6 <\/h4>\n<p> \u5728\u83b7\u53d6\u4e86\u6570\u636e\u5e93\u4fe1\u606f\u4e4b\u540e&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u4fe1\u606f\u7684\u6536\u96c6\u53ef\u4ee5\u5e2e\u52a9\u653b\u51fb\u8005\u66f4\u597d\u5730\u7406\u89e3\u6574\u4e2a\u5e94\u7528\u7684\u67b6\u6784\u548c\u914d\u7f6e\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u901a\u8fc7SQL\u6ce8\u5165\u6f0f\u6d1e\u6765\u83b7\u53d6\u5e94\u7528\u914d\u7f6e\u4fe1\u606f\u4ee5\u53ca\u89e3\u6790\u9519\u8bef\u4fe1\u606f\u3002 <\/p>\n<h5> 3.2.1 \u5229\u7528SQL\u6ce8\u5165\u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u4fe1\u606f <\/h5>\n<p> \u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u4fe1\u606f\u5f80\u5f80\u5305\u62ec\u4e86\u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\u3001\u7528\u6237\u51ed\u8bc1\u3001API\u5bc6\u94a5\u7b49\u654f\u611f\u4fe1\u606f\u3002\u653b\u51fb\u8005\u53ef\u80fd\u901a\u8fc7\u5982\u4e0b\u67e5\u8be2\u83b7\u53d6\u914d\u7f6e\u4fe1\u606f&#xff1a; <\/p>\n<p>UNION SELECT name, value FROM webapp_config&#8211;<\/p>\n<p> \u5728\u8fd9\u4e2a\u5047\u8bbe\u7684\u4f8b\u5b50\u4e2d&#xff0c;  webapp_config  \u662f\u4e00\u4e2a\u5b58\u50a8\u914d\u7f6e\u4fe1\u606f\u7684\u8868&#xff0c;\u653b\u51fb\u8005\u5229\u7528SQL\u6ce8\u5165\u83b7\u53d6\u4e86\u6240\u6709\u540d\u79f0\u548c\u503c\u5bf9\u3002 <\/p>\n<h5> 3.2.2 \u5229\u7528\u9519\u8bef\u4fe1\u606f\u548c\u6570\u636e\u5e93\u5143\u6570\u636e\u8fdb\u884c\u4fe1\u606f\u641c\u96c6 <\/h5>\n<p> \u9519\u8bef\u4fe1\u606f\u662f\u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u989d\u5916\u4fe1\u606f\u7684\u5b9d\u8d35\u6765\u6e90\u3002\u653b\u51fb\u8005\u6545\u610f\u6784\u9020\u9519\u8bef\u7684SQL\u8bed\u53e5&#xff0c;\u6bd4\u5982\u4f7f\u7528\u4e0d\u5b58\u5728\u7684\u5217\u540d&#xff0c;\u6765\u8bf1\u5bfc\u5e94\u7528\u8fd4\u56de\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f&#xff1a; <\/p>\n<p>SELECT * FROM users WHERE id &#061; &#039;1&#039; AND &#039;1&#039;&#061;&#039;2&#039;&#8211;<\/p>\n<p> \u8fd9\u6761SQL\u8bed\u53e5\u4f1a\u5bfc\u81f4\u6761\u4ef6\u6c38\u8fdc\u4e3a\u5047&#xff0c;\u5982\u679c\u9519\u8bef\u4fe1\u606f\u6ca1\u6709\u88ab\u9002\u5f53\u5904\u7406&#xff0c;\u90a3\u4e48\u5e94\u7528\u53ef\u80fd\u4f1a\u8fd4\u56de\u8be6\u7ec6\u9519\u8bef&#xff0c;\u6bd4\u5982\u6307\u51fa\u54ea\u4e00\u884c\u4ee3\u7801\u6216\u54ea\u4e2a\u8868\u4e0d\u5b58\u5728&#xff0c;\u4ece\u800c\u6cc4\u9732\u6570\u636e\u5e93\u7ed3\u6784\u7684\u4fe1\u606f\u3002 <\/p>\n<h5> Mermaid\u6d41\u7a0b\u56fe\u5c55\u793a\u4fe1\u606f\u6536\u96c6\u8fc7\u7a0b <\/h5>\n<p>graph LR<br \/>\n    A[\u5f00\u59cb\u4fe1\u606f\u6536\u96c6] &#8211;&gt; B[\u5229\u7528SQL\u6ce8\u5165\u83b7\u53d6\u6570\u636e\u5e93\u7248\u672c]<br \/>\n    B &#8211;&gt; C[\u5229\u7528SQL\u6ce8\u5165\u83b7\u53d6\u6570\u636e\u5e93\u8868\u540d\u548c\u5217\u540d]<br \/>\n    C &#8211;&gt; D[\u5229\u7528SQL\u6ce8\u5165\u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u4fe1\u606f]<br \/>\n    D &#8211;&gt; E[\u89e3\u6790\u9519\u8bef\u4fe1\u606f\u548c\u6570\u636e\u5e93\u5143\u6570\u636e]<br \/>\n    E &#8211;&gt; F[\u7ed3\u675f\u4fe1\u606f\u6536\u96c6]<\/p>\n<p> \u6d41\u7a0b\u56fe\u5c55\u793a\u4e86\u653b\u51fb\u8005\u901a\u8fc7SQL\u6ce8\u5165\u8fdb\u884c\u4fe1\u606f\u6536\u96c6\u7684\u5b8c\u6574\u8fc7\u7a0b\u3002 <\/p>\n<h2> 4. \u6743\u9650\u63d0\u5347\u7b56\u7565 <\/h2>\n<h3> 4.1 \u6743\u9650\u63d0\u5347\u7684\u539f\u7406 <\/h3>\n<h4> 4.1.1 \u6570\u636e\u5e93\u6743\u9650\u4f53\u7cfb\u5206\u6790 <\/h4>\n<p> \u6570\u636e\u5e93\u6743\u9650\u4f53\u7cfb\u662f\u6570\u636e\u5e93\u5b89\u5168\u7684\u57fa\u77f3&#xff0c;\u5b83\u63a7\u5236\u7740\u4e0d\u540c\u7684\u7528\u6237\u5bf9\u6570\u636e\u5e93\u7684\u4e0d\u540c\u8bbf\u95ee\u7ea7\u522b\u3002\u6743\u9650\u63d0\u5347&#xff0c;\u5373\u901a\u8fc7\u67d0\u79cd\u624b\u6bb5&#xff0c;\u5c06\u5f53\u524d\u7528\u6237\u6240\u62e5\u6709\u7684\u6743\u9650\u63d0\u5347\u81f3\u66f4\u9ad8\u7ea7\u522b\u3002\u6570\u636e\u5e93\u6743\u9650\u4f53\u7cfb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\u6743\u9650&#xff1a; <\/p>\n<ul>\n<li>  \u8bfb\u53d6\u6743\u9650&#xff08;SELECT&#xff09;  &#xff1a;\u7528\u6237\u80fd\u591f\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002 <\/li>\n<li>  \u63d2\u5165\u6743\u9650&#xff08;INSERT&#xff09;  &#xff1a;\u7528\u6237\u80fd\u591f\u5411\u6570\u636e\u5e93\u8868\u4e2d\u6dfb\u52a0\u65b0\u7684\u6570\u636e\u3002 <\/li>\n<li>  \u66f4\u65b0\u6743\u9650&#xff08;UPDATE&#xff09;  &#xff1a;\u7528\u6237\u80fd\u591f\u66f4\u65b0\u6570\u636e\u5e93\u8868\u4e2d\u7684\u73b0\u6709\u6570\u636e\u3002 <\/li>\n<li>  \u5220\u9664\u6743\u9650&#xff08;DELETE&#xff09;  &#xff1a;\u7528\u6237\u80fd\u591f\u5220\u9664\u6570\u636e\u5e93\u8868\u4e2d\u7684\u6570\u636e\u3002 <\/li>\n<li>  \u6267\u884c\u6743\u9650&#xff08;EXECUTE&#xff09;  &#xff1a;\u7528\u6237\u80fd\u591f\u8fd0\u884c\u5b58\u50a8\u8fc7\u7a0b\u3002 <\/li>\n<li>  \u7ba1\u7406\u6743\u9650&#xff08;Administrative privileges&#xff09;  &#xff1a;\u5305\u62ec\u521b\u5efa\u6570\u636e\u5e93\u3001\u8868\u3001\u89c6\u56fe&#xff0c;\u4fee\u6539\u6570\u636e\u5e93\u7ed3\u6784&#xff0c;\u4ee5\u53ca\u6388\u4e88\u6216\u64a4\u9500\u5176\u4ed6\u7528\u6237\u7684\u6743\u9650\u7b49\u3002 <\/li>\n<\/ul>\n<p> \u4e86\u89e3\u6570\u636e\u5e93\u6743\u9650\u4f53\u7cfb\u7684\u7ed3\u6784&#xff0c;\u5bf9\u4e8e\u6267\u884c\u6709\u6548\u7684\u6743\u9650\u63d0\u5347\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u63d0\u5347\u6743\u9650\u7684\u76ee\u6807\u901a\u5e38\u662f\u83b7\u53d6\u66f4\u9ad8\u6743\u9650\u7684\u8d26\u6237\u51ed\u8bc1&#xff08;\u5982root\u6216sa&#xff09;&#xff0c;\u6216\u662f\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u5177\u6709\u9ad8\u7ea7\u522b\u6743\u9650\u7684\u540e\u95e8\u8d26\u6237\u3002 <\/p>\n<h4> 4.1.2 \u5229\u7528SQL\u6ce8\u5165\u8fdb\u884c\u6743\u9650\u63d0\u5347\u7684\u7b56\u7565 <\/h4>\n<p> SQL\u6ce8\u5165\u653b\u51fb\u4e2d&#xff0c;\u653b\u51fb\u8005\u901a\u5e38\u5229\u7528\u8f93\u5165\u70b9\u4e2d\u7684\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u3002\u4e00\u822c\u7684\u505a\u6cd5\u662f\u5c1d\u8bd5\u83b7\u53d6\u6570\u636e\u5e93\u7684\u7ba1\u7406\u8d26\u6237&#xff08;\u5982root\u6216sa&#xff09;&#xff0c;\u6216\u8005\u5229\u7528\u5df2\u83b7\u53d6\u7684\u6570\u636e\u5e93\u8d26\u6237\u5c1d\u8bd5\u6267\u884c\u6743\u9650\u63d0\u5347\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u6743\u9650\u63d0\u5347\u7b56\u7565&#xff1a; <\/p>\n<ul>\n<li>  \u5229\u7528\u7cfb\u7edf\u5b58\u50a8\u8fc7\u7a0b\u63d0\u5347\u6743\u9650  &#xff1a;\u67d0\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5982MySQL&#xff0c;\u5177\u6709\u63d0\u5347\u6743\u9650\u7684\u7cfb\u7edf\u5b58\u50a8\u8fc7\u7a0b&#xff08;\u4f8b\u5982  mysqladmin  &#xff09;\u3002 <\/li>\n<li>  \u4fee\u6539\u7528\u6237\u6743\u9650  &#xff1a;\u901a\u8fc7SQL\u6ce8\u5165&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u6267\u884c\u6743\u9650\u4fee\u6539\u7684SQL\u547d\u4ee4&#xff0c;\u4e3a\u81ea\u5df1\u6216\u6307\u5b9a\u7528\u6237\u8d4b\u4e88\u66f4\u9ad8\u6743\u9650\u3002 <\/li>\n<li>  \u67e5\u8be2\u7cfb\u7edf\u8868\u83b7\u53d6\u654f\u611f\u4fe1\u606f  &#xff1a;\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u7cfb\u7edf\u8868\u6765\u83b7\u53d6\u654f\u611f\u4fe1\u606f&#xff0c;\u4f8b\u5982\u7ba1\u7406\u5458\u8d26\u6237\u4fe1\u606f\u3002 <\/li>\n<li>  \u4f7f\u7528\u9519\u8bef\u7684SQL\u8bed\u53e5  &#xff1a;\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u6ce8\u5165\u70b9&#xff0c;\u9519\u8bef\u7684SQL\u8bed\u53e5\u53ef\u80fd\u610f\u5916\u5730\u66b4\u9732\u4e86\u66f4\u9ad8\u6743\u9650\u7684\u7528\u6237\u51ed\u8bc1\u6216\u654f\u611f\u4fe1\u606f\u3002 <\/li>\n<\/ul>\n<h3> 4.2 \u6743\u9650\u63d0\u5347\u5b9e\u4f8b\u5206\u6790 <\/h3>\n<h4> 4.2.1 \u5178\u578b\u6848\u4f8b\u7684\u6743\u9650\u63d0\u5347\u8fc7\u7a0b <\/h4>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7406\u8bba\u4e0a\u7684\u6743\u9650\u63d0\u5347\u6848\u4f8b\u8fc7\u7a0b&#xff1a; <\/p>\n<li>  \u4fe1\u606f\u6536\u96c6  &#xff1a;\u9996\u5148&#xff0c;\u4f7f\u7528SQL\u6ce8\u5165\u6f0f\u6d1e\u83b7\u53d6\u6570\u636e\u5e93\u7684\u7248\u672c\u4fe1\u606f\u548c\u8868\u7ed3\u6784\u3002 <\/li>\n<li>  \u53d1\u73b0\u9ad8\u6743\u9650\u63a5\u53e3  &#xff1a;\u5728\u6570\u636e\u5e93\u7684\u7cfb\u7edf\u8868\u4e2d&#xff0c;\u5bfb\u627e\u53ef\u80fd\u5b58\u5728\u7684\u63d0\u5347\u6743\u9650\u7684\u5b58\u50a8\u8fc7\u7a0b\u6216\u51fd\u6570\u3002 <\/li>\n<li>  \u5c1d\u8bd5\u6743\u9650\u63d0\u5347  &#xff1a;\u901a\u8fc7SQL\u6ce8\u5165\u6f0f\u6d1e&#xff0c;\u6267\u884c\u76f8\u5173\u7684\u5b58\u50a8\u8fc7\u7a0b\u6216SQL\u547d\u4ee4&#xff0c;\u5c1d\u8bd5\u63d0\u5347\u6743\u9650\u3002 <\/li>\n<li>  \u9a8c\u8bc1\u6743\u9650  &#xff1a;\u5982\u679c\u64cd\u4f5c\u6210\u529f&#xff0c;\u653b\u51fb\u8005\u5c06\u9a8c\u8bc1\u81ea\u5df1\u7684\u6743\u9650\u662f\u5426\u5df2\u63d0\u5347\u3002 <\/li>\n<li>  \u8fdb\u4e00\u6b65\u5229\u7528  &#xff1a;\u83b7\u5f97\u66f4\u9ad8\u6743\u9650\u540e&#xff0c;\u653b\u51fb\u8005\u53ef\u6267\u884c\u66f4\u591a\u654f\u611f\u64cd\u4f5c&#xff0c;\u5982\u8bbf\u95ee\u53d7\u9650\u6570\u636e&#xff0c;\u521b\u5efa\u540e\u95e8\u8d26\u6237\u7b49\u3002 <\/li>\n<h4> 4.2.2 \u6743\u9650\u63d0\u5347\u540e\u7684\u64cd\u4f5c\u9650\u5236\u4e0e\u7a81\u7834 <\/h4>\n<p> \u6743\u9650\u63d0\u5347\u540e&#xff0c;\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u9762\u4e34\u67d0\u4e9b\u9650\u5236&#xff0c;\u4f8b\u5982\u6709\u4e9b\u6570\u636e\u5e93\u64cd\u4f5c\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u5916\u90e8\u547d\u4ee4\u6267\u884c\u3002\u6b64\u65f6&#xff0c;\u653b\u51fb\u8005\u9700\u8981\u5bfb\u627e\u65b9\u6cd5\u7a81\u7834\u8fd9\u4e9b\u9650\u5236&#xff0c;\u4f8b\u5982&#xff1a; <\/p>\n<ul>\n<li>  \u4fee\u6539\u7cfb\u7edf\u53d8\u91cf  &#xff1a;\u901a\u8fc7\u8bbe\u7f6e\u67d0\u4e9b\u7cfb\u7edf\u53d8\u91cf&#xff0c;\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\u3002 <\/li>\n<li>  \u5229\u7528UDF&#xff08;User-Defined Functions&#xff09;  &#xff1a;\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u53ef\u4ee5\u5229\u7528UDF\u6765\u6267\u884c\u7cfb\u7edf\u7ea7\u64cd\u4f5c\u3002 <\/li>\n<li>  \u690d\u5165\u540e\u95e8\u51fd\u6570  &#xff1a;\u653b\u51fb\u8005\u53ef\u4ee5\u521b\u5efa\u6076\u610f\u51fd\u6570&#xff0c;\u8fd9\u4e9b\u51fd\u6570\u5728\u88ab\u89e6\u53d1\u65f6\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002 <\/li>\n<\/ul>\n<p> \u4e3a\u4e86\u7a81\u7834\u8fd9\u4e9b\u9650\u5236&#xff0c;\u653b\u51fb\u8005\u901a\u5e38\u9700\u8981\u5bf9\u76ee\u6807\u6570\u636e\u5e93\u7684\u5185\u90e8\u673a\u5236\u548c\u53ef\u7528\u7684\u51fd\u6570\u6709\u6df1\u5165\u7684\u7406\u89e3\u3002\u56e0\u6b64&#xff0c;\u4e86\u89e3\u8fd9\u4e9b\u6280\u672f\u5bf9\u4e8e\u9632\u5fa1\u8005\u6765\u8bf4\u4e5f\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002 <\/p>\n<p> \u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8\u6587\u4ef6\u8bfb\u53d6\u4e0e\u5199\u5165\u6280\u5de7&#xff0c;\u8fd9\u4e9b\u6280\u672f\u662f\u5b9e\u73b0\u6743\u9650\u63d0\u5347\u540e\u8fdb\u4e00\u6b65\u63a7\u5236\u670d\u52a1\u5668\u7684\u5173\u952e\u3002 <\/p>\n<h2> 5. \u6587\u4ef6\u8bfb\u53d6\u4e0e\u5199\u5165\u6280\u5de7 <\/h2>\n<h3> 5.1 \u6587\u4ef6\u8bfb\u53d6\u6280\u5de7 <\/h3>\n<h4> 5.1.1 SQL\u6ce8\u5165\u4e2d\u7684\u6587\u4ef6\u8bfb\u53d6\u65b9\u6cd5 <\/h4>\n<p> SQL\u6ce8\u5165\u653b\u51fb\u4e2d\u7684\u6587\u4ef6\u8bfb\u53d6\u65b9\u6cd5\u662f\u5229\u7528\u6570\u636e\u5e93\u67e5\u8be2\u6765\u8bbf\u95ee\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u5229\u7528\u6570\u636e\u5e93\u7684\u5185\u7f6e\u51fd\u6570&#xff0c;\u6bd4\u5982MySQL\u7684  LOAD_FILE()  \u51fd\u6570\u6216SQL Server\u7684  OPENROWSET  \u51fd\u6570\u3002\u901a\u8fc7\u7cbe\u5fc3\u6784\u9020\u7684SQL\u8bed\u53e5&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u8bfb\u53d6\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\u7684\u4efb\u610f\u6587\u4ef6&#xff0c;\u4f8b\u5982\u914d\u7f6e\u6587\u4ef6\u3001\u5bc6\u7801\u6587\u4ef6\u3001\u65e5\u5fd7\u6587\u4ef6\u7b49\u3002 <\/p>\n<p> \u8fd9\u91cc\u662f\u4e00\u4e2a\u793a\u4f8b&#xff0c;\u5c55\u793a\u5982\u4f55\u4f7f\u7528  LOAD_FILE()  \u51fd\u6570\u6765\u8bfb\u53d6\u4e00\u4e2a\u6587\u4ef6&#xff1a; <\/p>\n<p>SELECT LOAD_FILE(&#039;C:\\\\\\\\Windows\\\\\\\\win.ini&#039;);<\/p>\n<p> \u8fd9\u4e2a\u67e5\u8be2\u8bd5\u56fe\u8bfb\u53d6Windows\u7cfb\u7edf\u4e2d\u7684  win.ini  \u6587\u4ef6\u5185\u5bb9\u3002\u5f53\u7136&#xff0c;\u8981\u6210\u529f\u6267\u884c\u8fd9\u4e2a\u64cd\u4f5c&#xff0c;\u653b\u51fb\u8005\u5fc5\u987b\u5177\u5907\u8db3\u591f\u7684\u6743\u9650&#xff0c;\u5e76\u4e14\u6570\u636e\u5e93\u7528\u6237\u7684\u6587\u4ef6\u7cfb\u7edf\u8bbf\u95ee\u6743\u9650\u4e5f\u9700\u8981\u8bbe\u7f6e\u4e3a\u5141\u8bb8\u8bbf\u95ee\u6307\u5b9a\u6587\u4ef6\u3002 <\/p>\n<h4> 5.1.2 \u6587\u4ef6\u8bfb\u53d6\u5728\u6743\u9650\u63d0\u5347\u4e2d\u7684\u5e94\u7528 <\/h4>\n<p> \u6587\u4ef6\u8bfb\u53d6\u529f\u80fd\u5728\u6743\u9650\u63d0\u5347\u4e2d\u975e\u5e38\u6709\u7528\u3002\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5bfb\u627e\u654f\u611f\u914d\u7f6e\u6587\u4ef6&#xff0c;\u6bd4\u5982  wp-config.php  &#xff08;\u5728WordPress\u7f51\u7ad9\u4e2d&#xff09;&#xff0c;\u8fd9\u4e2a\u6587\u4ef6\u5305\u542b\u4e86\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f&#xff0c;\u53ef\u80fd\u5305\u62ec\u6570\u636e\u5e93\u7684root\u5bc6\u7801\u3002\u83b7\u53d6\u4e86\u6570\u636e\u5e93\u7684root\u6216\u7ba1\u7406\u5458\u5bc6\u7801\u540e&#xff0c;\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u6267\u884c\u4efb\u4f55\u6570\u636e\u5e93\u64cd\u4f5c&#xff0c;\u5305\u62ec\u5bf9\u5176\u4ed6\u7cfb\u7edf\u7684\u8fdb\u4e00\u6b65\u6e17\u900f\u3002 <\/p>\n<h3> 5.2 \u6587\u4ef6\u5199\u5165\u6280\u5de7 <\/h3>\n<h4> 5.2.1 SQL\u6ce8\u5165\u4e2d\u7684\u6587\u4ef6\u5199\u5165\u65b9\u6cd5 <\/h4>\n<p> SQL\u6ce8\u5165\u4e2d\u7684\u6587\u4ef6\u5199\u5165\u6d89\u53ca\u5230\u6267\u884cSQL\u8bed\u53e5\u6765\u5411\u670d\u52a1\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u4e2d\u5199\u5165\u5185\u5bb9\u3002\u8fd9\u5728\u67d0\u4e9b\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u53ef\u80fd\u662f\u53d7\u9650\u7684&#xff0c;\u4f46\u82e5\u80fd\u591f\u6210\u529f&#xff0c;\u8fd9\u4e3a\u653b\u51fb\u8005\u63d0\u4f9b\u4e86\u4e00\u79cd\u8fdc\u7a0b\u6267\u884c\u4ee3\u7801\u7684\u9014\u5f84\u3002\u6587\u4ef6\u5199\u5165\u7ecf\u5e38\u88ab\u7528\u4e8e\u540e\u95e8\u690d\u5165&#xff0c;\u4f7f\u653b\u51fb\u8005\u53ef\u4ee5\u4fdd\u6301\u5bf9\u7cfb\u7edf\u7684\u8bbf\u95ee\u3002 <\/p>\n<p> \u4f8b\u5982&#xff0c;\u5728MySQL\u4e2d&#xff0c;\u4f7f\u7528  INTO OUTFILE  \u8bed\u6cd5\u53ef\u4ee5\u5411\u6587\u4ef6\u7cfb\u7edf\u5199\u5165\u6587\u4ef6&#xff1a; <\/p>\n<p>SELECT &#039;alert(&#034;XSS&#034;);&#039; INTO OUTFILE &#039;C:\\\\\\\\path\\\\\\\\to\\\\\\\\web\\\\\\\\directory\\\\\\\\shell.php&#039;;<\/p>\n<p> \u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728Web\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6076\u610fXSS\u4ee3\u7801\u7684PHP\u6587\u4ef6\u3002\u653b\u51fb\u8005\u901a\u8fc7\u8bbf\u95ee\u8fd9\u4e2a\u6587\u4ef6&#xff0c;\u5c31\u53ef\u4ee5\u5728\u53d7\u5bb3\u8005\u7684\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002 <\/p>\n<h4> 5.2.2 \u6587\u4ef6\u5199\u5165\u5728\u540e\u95e8\u690d\u5165\u548c\u670d\u52a1\u5668\u63a7\u5236\u4e2d\u7684\u5e94\u7528 <\/h4>\n<p> \u6587\u4ef6\u5199\u5165\u6280\u5de7\u7684\u4e3b\u8981\u76ee\u7684\u662f\u690d\u5165\u540e\u95e8&#xff0c;\u4e3a\u653b\u51fb\u8005\u63d0\u4f9b\u4e00\u4e2a\u53ef\u8bbf\u95ee\u7684\u5165\u53e3\u70b9\u3002\u6210\u529f\u690d\u5165\u540e\u95e8\u540e&#xff0c;\u653b\u51fb\u8005\u5373\u4f7f\u5728\u653b\u51fb\u88ab\u53d1\u73b0\u540e\u4e5f\u80fd\u91cd\u65b0\u83b7\u5f97\u7cfb\u7edf\u7684\u8bbf\u95ee\u6743\u9650\u3002\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u540e\u95e8&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\u5404\u79cd\u64cd\u4f5c&#xff0c;\u5982\u8fdc\u7a0b\u63a7\u5236\u3001\u6570\u636e\u7a83\u53d6\u3001\u8fdb\u4e00\u6b65\u7684\u7f51\u7edc\u6e17\u900f\u7b49\u3002 <\/p>\n<p> \u5199\u5165\u6587\u4ef6\u7684\u53e6\u4e00\u79cd\u7b56\u7565\u662f\u4e0a\u4f20\u811a\u672c\u6587\u4ef6\u5230Web\u670d\u52a1\u5668&#xff0c;\u7136\u540e\u901a\u8fc7Web\u63a5\u53e3\u6267\u884c\u8be5\u811a\u672c&#xff0c;\u4f7f\u5f97\u653b\u51fb\u8005\u80fd\u591f\u5728\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u547d\u4ee4\u6216\u542f\u52a8\u4e00\u4e2a\u53cd\u5411shell\u3002\u53cd\u5411shell\u662f\u4e00\u79cd\u7f51\u7edc\u8fde\u63a5&#xff0c;\u5b83\u5141\u8bb8\u653b\u51fb\u8005\u4ece\u53d7\u5bb3\u8005\u7684\u670d\u52a1\u5668\u4e0a\u53cd\u5f39\u5230\u653b\u51fb\u8005\u7684\u673a\u5668\u4e0a&#xff0c;\u4ece\u800c\u7ed5\u8fc7\u9632\u706b\u5899\u89c4\u5219&#xff0c;\u521b\u5efa\u4e00\u4e2a\u7a33\u5b9a\u7684\u540e\u95e8\u8bbf\u95ee\u70b9\u3002 <\/p>\n<p> \u5728\u67d0\u4e9b\u9ad8\u7ea7\u573a\u666f\u4e2d&#xff0c;\u901a\u8fc7SQL\u6ce8\u5165&#xff0c;\u653b\u51fb\u8005\u8fd8\u53ef\u80fd\u5229\u7528\u6570\u636e\u5e93\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u6216\u89e6\u53d1\u5668\u6765\u95f4\u63a5\u5730\u6267\u884c\u6587\u4ef6\u5199\u5165\u548c\u8bfb\u53d6\u64cd\u4f5c\u3002\u6bd4\u5982&#xff0c;\u901a\u8fc7\u5728\u6570\u636e\u5e93\u4e2d\u5efa\u7acb\u89e6\u53d1\u5668&#xff0c;\u53ef\u4ee5\u5728\u5bf9\u7279\u5b9a\u8868\u6267\u884c\u63d2\u5165\u3001\u66f4\u65b0\u6216\u5220\u9664\u64cd\u4f5c\u65f6\u81ea\u52a8\u5730\u6267\u884c\u6587\u4ef6\u64cd\u4f5c&#xff0c;\u4ece\u800c\u8fbe\u5230\u5728\u4e0d\u76f4\u63a5\u66b4\u9732Web\u754c\u9762\u7684\u60c5\u51b5\u4e0b&#xff0c;\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u63a7\u5236\u7684\u76ee\u7684\u3002 <\/p>\n<p>CREATE TRIGGER WriteFileAfterUpdate<br \/>\nAFTER UPDATE ON some_table<br \/>\nFOR EACH ROW<br \/>\nBEGIN<br \/>\n    &#8212; \u903b\u8f91\u4ee3\u7801&#xff0c;\u7528\u4e8e\u6267\u884c\u5199\u5165\u64cd\u4f5c&#xff0c;\u6bd4\u5982\u5199\u5165\u6570\u636e\u5e93\u65e5\u5fd7\u6587\u4ef6<br \/>\nEND;<\/p>\n<p> \u4f7f\u7528\u8fd9\u7c7b\u65b9\u6cd5&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u8f83\u4e3a\u9690\u853d\u5730\u5728\u7cfb\u7edf\u4e2d\u7559\u4e0b\u957f\u671f\u53ef\u5229\u7528\u7684\u540e\u95e8\u3002\u8fd9\u79cd\u653b\u51fb\u65b9\u5f0f\u7684\u9690\u853d\u6027\u548c\u7834\u574f\u6027\u90fd\u975e\u5e38\u5927&#xff0c;\u56e0\u6b64\u9632\u5fa1\u6b64\u7c7b\u653b\u51fb\u5bf9\u4e8e\u7cfb\u7edf\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h2> 6. \u670d\u52a1\u5668\u63a7\u5236\u6280\u672f <\/h2>\n<h3> 6.1 \u670d\u52a1\u5668\u63a7\u5236\u7684\u7406\u8bba\u57fa\u7840 <\/h3>\n<h4> 6.1.1 \u670d\u52a1\u5668\u63a7\u5236\u7684\u5fc5\u8981\u6761\u4ef6 <\/h4>\n<p> \u670d\u52a1\u5668\u63a7\u5236\u662f\u6307\u901a\u8fc7\u5404\u79cd\u624b\u6bb5\u5bf9\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u63a7\u5236&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u3001\u4e0a\u4f20\u4e0b\u8f7d\u6587\u4ef6\u3001\u5b89\u88c5\u540e\u95e8\u7a0b\u5e8f\u7b49\u3002\u8981\u6210\u529f\u63a7\u5236\u670d\u52a1\u5668&#xff0c;\u653b\u51fb\u8005\u5fc5\u987b\u5177\u5907\u4ee5\u4e0b\u6761\u4ef6&#xff1a; &#8211;  \u7cfb\u7edf\u6f0f\u6d1e  &#xff1a;\u88ab\u653b\u51fb\u7684\u7cfb\u7edf\u5fc5\u987b\u5b58\u5728\u53ef\u88ab\u5229\u7528\u7684\u5b89\u5168\u6f0f\u6d1e&#xff0c;\u901a\u5e38\u662f\u7531\u4e8e\u7cfb\u7edf\u914d\u7f6e\u9519\u8bef\u3001\u8f6f\u4ef6\u672a\u53ca\u65f6\u66f4\u65b0\u6216\u672a\u6253\u5b89\u5168\u8865\u4e01\u7b49\u539f\u56e0\u9020\u6210\u3002 &#8211;  \u8bbf\u95ee\u6743\u9650  &#xff1a;\u653b\u51fb\u8005\u9700\u8981\u6709\u8db3\u591f\u7684\u6743\u9650\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u64cd\u4f5c&#xff0c;SQL\u6ce8\u5165\u653b\u51fb\u5e38\u5e38\u88ab\u7528\u6765\u83b7\u53d6\u63d0\u5347\u6743\u9650\u3002 &#8211;  \u53ef\u4ea4\u4e92\u754c\u9762  &#xff1a;\u653b\u51fb\u8005\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u53ef\u4ea4\u4e92\u7684\u754c\u9762\u6216\u901a\u9053\u6765\u6267\u884c\u547d\u4ee4&#xff0c;\u6bd4\u5982\u6570\u636e\u5e93\u7ba1\u7406\u754c\u9762\u3001WebShell\u6216\u8005\u8fdc\u7a0b\u684c\u9762\u3002 <\/p>\n<h4> 6.1.2 SQL\u6ce8\u5165\u4e0e\u670d\u52a1\u5668\u63a7\u5236\u7684\u5173\u7cfb <\/h4>\n<p> SQL\u6ce8\u5165\u653b\u51fb\u662f\u5b9e\u73b0\u670d\u52a1\u5668\u63a7\u5236\u7684\u624b\u6bb5\u4e4b\u4e00\u3002\u901a\u8fc7SQL\u6ce8\u5165&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u7ed5\u8fc7\u5e94\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u8ba4\u8bc1\u673a\u5236&#xff0c;\u76f4\u63a5\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3002\u5982\u679c\u653b\u51fb\u8005\u80fd\u901a\u8fc7SQL\u6ce8\u5165\u83b7\u53d6\u5230\u6570\u636e\u5e93\u7ba1\u7406\u5458\u6743\u9650&#xff0c;\u90a3\u4e48\u4ed6\u4eec\u53ef\u4ee5\u6267\u884c\u4efb\u4f55SQL\u547d\u4ee4&#xff0c;\u5305\u62ec\u8c03\u7528\u6570\u636e\u5e93\u5185\u7f6e\u7684\u51fd\u6570\u6765\u6267\u884c\u7cfb\u7edf\u547d\u4ee4&#xff0c;\u5b9e\u73b0\u5bf9\u670d\u52a1\u5668\u7684\u95f4\u63a5\u63a7\u5236\u3002 <\/p>\n<h3> 6.2 \u670d\u52a1\u5668\u63a7\u5236\u5b9e\u8df5 <\/h3>\n<h4> 6.2.1 \u5229\u7528SQL\u6ce8\u5165\u6267\u884c\u7cfb\u7edf\u547d\u4ee4 <\/h4>\n<p> \u8981\u4f7f\u7528SQL\u6ce8\u5165\u6f0f\u6d1e\u6267\u884c\u7cfb\u7edf\u547d\u4ee4&#xff0c;\u653b\u51fb\u8005\u9700\u8981\u6784\u9020\u7279\u6b8a\u7684SQL\u8bed\u53e5&#xff0c;\u5229\u7528\u6570\u636e\u5e93\u7684\u5b58\u50a8\u8fc7\u7a0b\u6216\u51fd\u6570\u6765\u8c03\u7528\u7cfb\u7edf\u547d\u4ee4\u3002\u4ee5MySQL\u6570\u636e\u5e93\u4e3a\u4f8b&#xff0c;\u4f7f\u7528  sys_exec()  \u6216  mysql_real_escape_string()  \u8fd9\u6837\u7684\u51fd\u6570\u53ef\u4ee5\u7528\u6765\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u3002 <\/p>\n<p> \u5047\u8bbe\u6211\u4eec\u5df2\u7ecf\u6709\u4e86\u4e00\u4e2aSQL\u6ce8\u5165\u70b9&#xff0c;\u5e76\u4e14\u6570\u636e\u5e93\u5141\u8bb8\u6267\u884c\u5b58\u50a8\u8fc7\u7a0b&#xff0c;\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8bSQL\u8bed\u53e5&#xff0c;\u7528\u4e8e\u6267\u884c  whoami  \u547d\u4ee4\u83b7\u53d6\u5f53\u524d\u7528\u6237\u4fe1\u606f&#xff1a; <\/p>\n<p>SELECT * FROM table WHERE id &#061; 1; DROP TABLE users; CREATE PROCEDURE sys_exec(IN cmd VARCHAR(200)) BEGIN SET &#064;s &#061; cmd; PREPARE stmt FROM &#064;s; EXECUTE stmt; DEALLOCATE PREPARE stmt; END\/\/<br \/>\nCALL sys_exec(&#039;whoami&#039;);<\/p>\n<p> \u8fd9\u4e2aSQL\u8bed\u53e5\u9996\u5148\u901a\u8fc7  sys_exec()  \u5b58\u50a8\u8fc7\u7a0b\u6267\u884c  whoami  \u547d\u4ee4\u3002\u6267\u884c\u65f6&#xff0c;\u5fc5\u987b\u786e\u4fdd\u6570\u636e\u5e93\u6709\u8db3\u591f\u6743\u9650&#xff0c;\u5426\u5219\u547d\u4ee4\u6267\u884c\u53ef\u80fd\u4f1a\u5931\u8d25\u3002 <\/p>\n<h4> 6.2.2 \u6570\u636e\u5e93\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\u7684\u9ad8\u7ea7\u6280\u672f <\/h4>\n<p> \u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u5b58\u5728\u7740\u590d\u6742\u7684\u4ea4\u4e92\u5173\u7cfb&#xff0c;\u9ad8\u7ea7\u6280\u672f\u901a\u5e38\u6d89\u53ca\u7279\u5b9a\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7279\u5b9a\u7279\u6027\u3002\u4ee5Microsoft SQL Server\u4e3a\u4f8b&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528  xp_cmdshell  \u6269\u5c55\u5b58\u50a8\u8fc7\u7a0b\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u3002 <\/p>\n<p> \u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d&#xff0c;\u653b\u51fb\u8005\u4f7f\u7528  xp_cmdshell  \u6765\u83b7\u53d6\u7cfb\u7edf\u65f6\u95f4&#xff1a; <\/p>\n<p>EXEC master..xp_cmdshell &#039;net time \/domain&#039;<\/p>\n<p> \u5728\u6267\u884c\u4e0a\u8ff0\u547d\u4ee4\u4e4b\u524d&#xff0c;\u5fc5\u987b\u786e\u4fdd  xp_cmdshell  \u88ab\u542f\u7528&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u542f\u7528\u5b83&#xff1a; <\/p>\n<p>EXEC sp_configure &#039;show advanced options&#039;, 1;<br \/>\nRECONFIGURE;<br \/>\nEXEC sp_configure &#039;xp_cmdshell&#039;, 1;<br \/>\nRECONFIGURE;<\/p>\n<p> \u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u8fd9\u6837\u7684\u9ad8\u7ea7\u6280\u672f\u901a\u5e38\u9700\u8981\u8f83\u9ad8\u7684\u6743\u9650\u624d\u80fd\u6210\u529f\u4f7f\u7528&#xff0c;\u5e76\u4e14\u6570\u636e\u5e93\u7ba1\u7406\u5458\u5728\u8bbe\u7f6e\u6570\u636e\u5e93\u65f6&#xff0c;\u5e94\u8be5\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u5b58\u50a8\u8fc7\u7a0b&#xff0c;\u6216\u8005\u5c06\u8fd9\u4e9b\u529f\u80fd\u8bbe\u4e3a\u4e0d\u53ef\u7528&#xff0c;\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002 <\/p>\n<p> \u5728\u8fdb\u884c\u670d\u52a1\u5668\u63a7\u5236\u65f6&#xff0c;\u653b\u51fb\u8005\u8fd8\u9700\u8981\u8003\u8651\u662f\u5426\u80fd\u6301\u7eed\u63a7\u5236\u670d\u52a1\u5668&#xff0c;\u4ee5\u53ca\u5982\u4f55\u9690\u85cf\u5176\u884c\u4e3a\u4ee5\u907f\u514d\u88ab\u53d1\u73b0\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u5728\u7cfb\u7edf\u4e2d\u690d\u5165\u540e\u95e8\u7a0b\u5e8f&#xff0c;\u6216\u8005\u521b\u5efa\u9690\u85cf\u7684\u7ba1\u7406\u5458\u8d26\u53f7\u7b49\u64cd\u4f5c\u3002\u8fd9\u4e0d\u4f46\u9700\u8981\u6280\u672f\u624b\u6bb5&#xff0c;\u8fd8\u9700\u8981\u653b\u51fb\u8005\u5177\u5907\u6df1\u5165\u7684\u7cfb\u7edf\u548c\u7f51\u7edc\u77e5\u8bc6\u3002 <\/p>\n<h2> 7. \u9632\u6b62SQL\u6ce8\u5165\u7684\u6700\u4f73\u5b9e\u8df5 <\/h2>\n<p> SQL\u6ce8\u5165\u653b\u51fb\u662f\u7f51\u7edc\u653b\u51fb\u4e2d\u6700\u4e3a\u5e38\u89c1\u7684\u653b\u51fb\u65b9\u5f0f\u4e4b\u4e00&#xff0c;\u5b83\u80fd\u591f\u7ed9\u6570\u636e\u5e93\u548c\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5e26\u6765\u4e25\u91cd\u7684\u5b89\u5168\u9690\u60a3\u3002\u4e3a\u4e86\u6709\u6548\u9632\u5fa1SQL\u6ce8\u5165\u653b\u51fb&#xff0c;\u6211\u4eec\u9700\u8981\u4ece\u5b89\u5168\u7f16\u7801\u3001\u5b89\u5168\u9632\u62a4\u63aa\u65bd\u548c\u5e94\u6025\u54cd\u5e94\u7b56\u7565\u4e09\u4e2a\u65b9\u9762\u7740\u624b\u3002 <\/p>\n<h3> 7.1 \u5b89\u5168\u7f16\u7801\u539f\u5219 <\/h3>\n<h4> 7.1.1 \u8f93\u5165\u9a8c\u8bc1\u4e0e\u8fc7\u6ee4\u7684\u91cd\u8981\u6027 <\/h4>\n<p> \u4e3a\u9632\u6b62SQL\u6ce8\u5165\u653b\u51fb&#xff0c;\u9996\u5148\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801\u5c42\u9762\u505a\u597d\u9632\u5fa1\u3002\u8f93\u5165\u9a8c\u8bc1\u662f\u9632\u6b62SQL\u6ce8\u5165\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5f00\u53d1\u8005\u5e94\u5f53\u5bf9\u6240\u6709\u7528\u6237\u8f93\u5165\u8fdb\u884c\u4e25\u683c\u7684\u9a8c\u8bc1&#xff0c;\u786e\u4fdd\u8f93\u5165\u6570\u636e\u7b26\u5408\u9884\u671f\u7684\u683c\u5f0f&#xff0c;\u4e0d\u5305\u542b\u4efb\u4f55\u53ef\u80fd\u7528\u4e8e\u6784\u9020\u6076\u610fSQL\u8bed\u53e5\u7684\u5b57\u7b26\u3002 <\/p>\n<p> \u6b64\u5916&#xff0c;\u8fc7\u6ee4\u8f93\u5165\u6570\u636e\u4e5f\u662f\u540c\u7b49\u91cd\u8981\u7684\u3002\u5f00\u53d1\u8005\u5e94\u5f53\u5728\u6570\u636e\u8f93\u5165\u5230SQL\u8bed\u53e5\u4e4b\u524d&#xff0c;\u5bf9\u7279\u6b8a\u5b57\u7b26\u8fdb\u884c\u8f6c\u4e49\u5904\u7406\u3002\u8fd9\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u5185\u7f6e\u51fd\u6570\u5b9e\u73b0&#xff0c;\u6bd4\u5982\u5728MySQL\u4e2d\u4f7f\u7528  mysqli_real_escape_string  \u51fd\u6570&#xff0c;\u6216\u8005\u5728SQL Server\u4e2d\u4f7f\u7528  QUOTENAME  \u51fd\u6570\u3002 <\/p>\n<h4> 7.1.2 \u5b89\u5168\u7684\u7f16\u7a0b\u5b9e\u8df5\u548c\u4ee3\u7801\u793a\u4f8b <\/h4>\n<p> \u4e00\u4e2a\u7b80\u5355\u7684\u5b89\u5168\u7f16\u7a0b\u5b9e\u8df5\u662f\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2&#xff0c;\u800c\u4e0d\u662f\u62fc\u63a5SQL\u8bed\u53e5\u3002\u53c2\u6570\u5316\u67e5\u8be2\u80fd\u591f\u786e\u4fdd\u8f93\u5165\u6570\u636e\u88ab\u6570\u636e\u5e93\u89e3\u91ca\u4e3a\u6570\u636e&#xff0c;\u800c\u975eSQL\u547d\u4ee4\u7684\u4e00\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\u7684\u4e00\u4e2a\u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p># \u5047\u8bbe\u6211\u4eec\u4f7f\u7528Python\u7684sqlite3\u5e93<br \/>\nimport sqlite3<\/p>\n<p># \u5b89\u5168\u7684\u6267\u884c\u53c2\u6570\u5316\u67e5\u8be2<br \/>\nconn &#061; sqlite3.connect(&#039;example.db&#039;)<br \/>\nc &#061; conn.cursor()<br \/>\nuserInput &#061; &#039;user_input_here&#039;<\/p>\n<p># \u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2<br \/>\nc.execute(&#034;SELECT * FROM users WHERE username &#061; ?&#034;, (userInput,))<\/p>\n<p># \u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<br \/>\nresults &#061; c.fetchall()<br \/>\nconn.close()<\/p>\n<h3> 7.2 \u5b89\u5168\u9632\u62a4\u63aa\u65bd <\/h3>\n<h4> 7.2.1 Web\u5e94\u7528\u9632\u706b\u5899(WAF)\u7684\u90e8\u7f72\u4e0e\u914d\u7f6e <\/h4>\n<p> Web\u5e94\u7528\u9632\u706b\u5899(WAF)\u662f\u4e13\u95e8\u7528\u6765\u4fdd\u62a4Web\u5e94\u7528\u7684\u5b89\u5168\u8bbe\u5907&#xff0c;\u5b83\u80fd\u591f\u8bc6\u522b\u5e76\u62e6\u622a\u9488\u5bf9Web\u5e94\u7528\u7684\u6076\u610f\u653b\u51fb&#xff0c;\u5305\u62ecSQL\u6ce8\u5165\u653b\u51fb\u3002\u90e8\u7f72WAF\u65f6&#xff0c;\u5e94\u5f53\u914d\u7f6e\u5176\u89c4\u5219\u96c6\u4ee5\u5339\u914d\u5e94\u7528\u7a0b\u5e8f\u7684\u5177\u4f53\u60c5\u51b5\u3002\u6bd4\u5982&#xff0c;\u53ef\u4ee5\u8bbe\u7f6e\u89c4\u5219\u4ee5\u963b\u6b62\u5bf9\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u53ef\u7591\u8bbf\u95ee&#xff0c;\u6216\u8005\u963b\u6b62\u5305\u542bSQL\u6ce8\u5165\u5178\u578b\u6a21\u5f0f\u7684\u8bf7\u6c42\u3002 <\/p>\n<h4> 7.2.2 \u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\u548c\u6f0f\u6d1e\u7ba1\u7406\u6d41\u7a0b <\/h4>\n<p> \u5b9a\u671f\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1\u548c\u6f0f\u6d1e\u626b\u63cf\u662f\u7ef4\u62a4\u5e94\u7528\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u901a\u8fc7\u5bf9\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u5b9a\u671f\u7684\u5b89\u5168\u5ba1\u8ba1&#xff0c;\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u548c\u4fee\u590d\u6f5c\u5728\u7684SQL\u6ce8\u5165\u6f0f\u6d1e\u3002\u540c\u65f6&#xff0c;\u5efa\u7acb\u4e00\u4e2a\u6709\u6548\u7684\u6f0f\u6d1e\u7ba1\u7406\u6d41\u7a0b&#xff0c;\u786e\u4fdd\u53d1\u73b0\u6f0f\u6d1e\u540e\u80fd\u591f\u53ca\u65f6\u8fdb\u884c\u4fee\u8865\u6216\u91c7\u53d6\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\u3002 <\/p>\n<h3> 7.3 \u5e94\u6025\u54cd\u5e94\u7b56\u7565 <\/h3>\n<h4> 7.3.1 \u906d\u9047SQL\u6ce8\u5165\u653b\u51fb\u540e\u7684\u5e94\u5bf9\u63aa\u65bd <\/h4>\n<p> \u4e00\u65e6\u906d\u9047SQL\u6ce8\u5165\u653b\u51fb&#xff0c;\u5e94\u7acb\u5373\u91c7\u53d6\u4e00\u7cfb\u5217\u5e94\u5bf9\u63aa\u65bd\u3002\u9996\u5148&#xff0c;\u5e94\u5f53\u505c\u6b62\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c&#xff0c;\u9632\u6b62\u653b\u51fb\u8005\u8fdb\u4e00\u6b65\u5229\u7528\u6f0f\u6d1e\u3002\u5176\u6b21&#xff0c;\u8fc5\u901f\u786e\u5b9a\u6f0f\u6d1e\u7684\u6765\u6e90\u548c\u653b\u51fb\u8005\u7684\u5165\u4fb5\u70b9&#xff0c;\u5e76\u7acb\u5373\u4fee\u8865\u8be5\u6f0f\u6d1e\u3002\u540c\u65f6&#xff0c;\u4e5f\u9700\u8981\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u5176\u4ed6\u90e8\u5206\u8fdb\u884c\u68c0\u67e5&#xff0c;\u770b\u662f\u5426\u5b58\u5728\u7c7b\u4f3c\u7684\u5b89\u5168\u6f0f\u6d1e\u3002 <\/p>\n<h4> 7.3.2 \u6062\u590d\u4e0e\u91cd\u5efa\u5b89\u5168\u73af\u5883\u7684\u6b65\u9aa4 <\/h4>\n<p> 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