\u5728\u9999\u6e2f\u7e41\u5fd9\u7684\u6570\u5b57\u5316\u73af\u5883\u4e2d\uff0c\u670d\u52a1\u5668\u79df\u7528<\/a>\u548c\u670d\u52a1\u5668\u6258\u7ba1<\/a>\u670d\u52a1\u9700\u6c42\u65fa\u76db\uff0cSQL<\/a>\u6ce8\u5165\u7684\u5a01\u80c1\u65e5\u76ca\u4e25\u91cd\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8SQL\u6ce8\u5165\u653b\u51fb\u7684\u590d\u6742\u6027\uff0c\u5e76\u63d0\u4f9b\u9488\u5bf9\u9999\u6e2f\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\u7684\u5f3a\u5927\u9632\u5fa1\u7b56\u7565\u3002<\/p>\n SQL\u6ce8\u5165\u662f\u4e00\u79cd\u4ee3\u7801\u6ce8\u5165\u6280\u672f\uff0c\u5229\u7528\u6570\u636e\u5e93\u9a71\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u6f0f\u6d1e\u3002\u5f53\u6076\u610fSQL\u8bed\u53e5\u88ab\u63d2\u5165\u5230\u5e94\u7528\u7a0b\u5e8f\u67e5\u8be2\u4e2d\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u83b7\u5f97\u5bf9\u6570\u636e\u5e93\u7684\u672a\u6388\u6743\u8bbf\u95ee\u3002<\/p>\n \u8003\u8651\u8fd9\u6bb5\u6709\u6f0f\u6d1e\u7684PHP\u4ee3\u7801\uff1a<\/p>\n \u653b\u51fb\u8005\u53ef\u4ee5\u8f93\u5165\uff1a \u8fd9\u6837\u5c31\u53ef\u4ee5\u6709\u6548\u5730\u4ee5’admin’\u8eab\u4efd\u767b\u5f55\uff0c\u800c\u65e0\u9700\u5bc6\u7801\u3002<\/p>\n \u9999\u6e2f\u4f5c\u4e3a\u5168\u7403\u91d1\u878d\u4e2d\u5fc3\u7684\u5730\u4f4d\u4f7f\u5176\u670d\u52a1\u5668\u5bf9\u7f51\u7edc\u7f6a\u72af\u7279\u522b\u5177\u6709\u5438\u5f15\u529b\u3002\u91d1\u878d\u3001\u7535\u5b50\u5546\u52a1\u548c\u6280\u672f\u7b49\u9ad8\u4ef7\u503c\u76ee\u6807\u7684\u5bc6\u96c6\u96c6\u4e2d\uff0c\u653e\u5927\u4e86SQL\u6ce8\u5165\u653b\u51fb\u7684\u6f5c\u5728\u5f71\u54cd\u3002<\/p>\n \u4e3a\u4e86\u6d4b\u8bd5SQL\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5b89\u5168\u4e13\u4e1a\u4eba\u58eb\u7ecf\u5e38\u4f7f\u7528\u4ee5\u4e0b\u6280\u672f\uff1a<\/p>\n \u81ea\u52a8\u5316\u5de5\u5177\u5982sqlmap\u4e5f\u53ef\u7528\u4e8e\u5168\u9762\u7684\u6f0f\u6d1e\u8bc4\u4f30\u3002<\/p>\n 1. \u53c2\u6570\u5316\u67e5\u8be2\uff1a<\/strong>SQL\u6ce8\u5165\u9632\u8303\u7684\u9ec4\u91d1\u6807\u51c6\u3002<\/p>\n 2. \u8f93\u5165\u9a8c\u8bc1\uff1a<\/strong>\u5b9e\u65bd\u4e25\u683c\u7684\u8f93\u5165\u9a8c\u8bc1\u7a0b\u5e8f\u3002<\/p>\n 3. \u6700\u5c0f\u6743\u9650\u539f\u5219\uff1a<\/strong>\u5c06\u6570\u636e\u5e93\u7528\u6237\u6743\u9650\u9650\u5236\u5728\u5fc5\u8981\u7684\u6700\u4f4e\u9650\u5ea6\u3002<\/p>\n 4. \u5b58\u50a8\u8fc7\u7a0b\uff1a<\/strong>\u5c06SQL\u903b\u8f91\u5c01\u88c5\u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\uff0c\u4ee5\u589e\u52a0\u4e00\u5c42\u5b89\u5168\u6027\u3002<\/p>\n \u9999\u6e2f\u7684\u7f51\u7edc\u5b89\u5168\u73af\u5883\u7531\u5176\u72ec\u7279\u7684\u76d1\u7ba1\u73af\u5883\u5851\u9020\u3002\u300a\u4e2a\u4eba\u6570\u636e\uff08\u79c1\u9690\uff09\u6761\u4f8b\u300b\uff08PDPO\uff09\u5bf9\u6570\u636e\u4fdd\u62a4\u63d0\u51fa\u4e86\u4e25\u683c\u8981\u6c42\u3002\u5728\u5b9e\u65bd\u5f3a\u5927\u7684SQL\u6ce8\u5165\u9632\u5fa1\u7684\u540c\u65f6\u786e\u4fdd\u5408\u89c4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n 1. Web\u5e94\u7528\u9632\u706b\u5899\uff08WAF\uff09\uff1a<\/strong>\u90e8\u7f72WAF\u4ee5\u8fc7\u6ee4\u548c\u76d1\u63a7Web\u5e94\u7528\u7a0b\u5e8f\u4e0e\u4e92\u8054\u7f51\u4e4b\u95f4\u7684HTTP\u6d41\u91cf\u3002<\/p>\n 2. \u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff08IDS\uff09\uff1a<\/strong>\u5b9e\u65bd\u57fa\u4e8e\u7f51\u7edc\u7684IDS\u6765\u68c0\u6d4b\u548c\u8b66\u62a5\u53ef\u7591\u7684\u6570\u636e\u5e93\u67e5\u8be2\u3002<\/p>\n 3. \u6570\u636e\u5e93\u6d3b\u52a8\u76d1\u63a7\uff1a<\/strong>\u4f7f\u7528\u5de5\u5177\u5b9e\u65f6\u76d1\u63a7\u548c\u5206\u6790\u6570\u636e\u5e93\u6d41\u91cf\u3002<\/p>\n \u968f\u7740SQL\u6ce8\u5165\u6280\u672f\u7684\u6f14\u53d8\uff0c\u6211\u4eec\u7684\u9632\u5fa1\u4e5f\u5fc5\u987b\u4e0e\u65f6\u4ff1\u8fdb\u3002\u8003\u8651\u5b9e\u65bd\uff1a<\/p>\n \u8fd9\u4e9b\u5c16\u7aef\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u4e3a\u590d\u6742\u7684SQL\u6ce8\u5165\u5c1d\u8bd5\u63d0\u4f9b\u989d\u5916\u7684\u5b89\u5168\u5c42\u3002<\/p>\n \u5728\u9999\u6e2f\u4e0d\u65ad\u6f14\u53d8\u7684\u7f51\u7edc\u5b89\u5168\u73af\u5883\u4e2d\uff0c\u4fdd\u62a4\u60a8\u7684\u670d\u52a1\u5668\u514d\u53d7SQL\u6ce8\u5165\u653b\u51fb\u4e0d\u4ec5\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u66f4\u662f\u5fc5\u9700\u3002\u901a\u8fc7\u5b9e\u65bd\u672c\u6587\u6982\u8ff0\u7684\u7b56\u7565\uff0c\u4ece\u57fa\u672c\u7684\u8f93\u5165\u9a8c\u8bc1\u5230\u5148\u8fdb\u7684AI\u9a71\u52a8\u9632\u5fa1\uff0c\u60a8\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u670d\u52a1\u5668\u62b5\u5fa1SQL\u6ce8\u5165\u653b\u51fb\u7684\u80fd\u529b\u3002<\/p>\n \u8bf7\u8bb0\u4f4f\uff0c\u5728\u7f51\u7edc\u5b89\u5168\u4e16\u754c\u4e2d\uff0c\u81ea\u6ee1\u662f\u654c\u4eba\u3002\u4fdd\u6301\u8b66\u60d5\uff0c\u53ca\u65f6\u66f4\u65b0\u9632\u5fa1\u63aa\u65bd\uff0c\u6c38\u8fdc\u4e0d\u8981\u4f4e\u4f30\u6f5c\u5728\u653b\u51fb\u8005\u7684\u521b\u9020\u529b\u3002\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u2014\u2014\u4ee5\u53ca\u5176\u4e2d\u5305\u542b\u7684\u5b9d\u8d35\u6570\u636e\u2014\u2014\u53d6\u51b3\u4e8e\u60a8\u5bf9\u5b89\u5168\u7684\u4e3b\u52a8\u65b9\u6cd5\u3002<\/p>\n \u95ee\uff1a\u6211\u5e94\u8be5\u591a\u4e45\u5ba1\u6838\u4e00\u6b21\u9999\u6e2f\u670d\u52a1\u5668\u7684SQL\u6ce8\u5165\u6f0f\u6d1e\uff1f<\/strong> \u95ee\uff1a\u9999\u6e2f\u7684\u6570\u636e\u4fdd\u62a4\u6cd5\u4e0eSQL\u6ce8\u5165\u9632\u8303\u6709\u5173\u5417\uff1f<\/strong> \u95ee\uff1a\u57fa\u4e8e\u4e91\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u80fd\u9632\u6b62SQL\u6ce8\u5165\u5417\uff1f<\/strong> \u5728\u9999\u6e2f\u7e41\u5fd9\u7684\u6570\u5b57\u5316\u73af\u5883\u4e2d\uff0c\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u9700\u6c42\u65fa\u76db\uff0cSQL\u6ce8\u5165\u7684\u5a01\u80c1\u65e5\u76ca\u4e25\u91cd\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8SQL\u6ce8\u5165\u653b\u51fb\u7684\u590d\u6742\u6027\uff0c\u5e76\u63d0\u4f9b\u9488\u5bf9\u9999\u6e2f\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\u7684\u5f3a\u5927\u9632\u5fa1\u7b56\u7565\u3002 \u89e3\u6790SQL\u6ce8\u5165\uff1a\u65e0\u58f0\u7684\u5a01\u80c1 SQL\u6ce8\u5165\u662f\u4e00\u79cd\u4ee3\u7801\u6ce8\u5165\u6280\u672f\uff0c\u5229\u7528\u6570\u636e\u5e93\u9a71\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u6f0f\u6d1e\u3002\u5f53\u6076\u610fSQL\u8bed\u53e5\u88ab\u63d2\u5165\u5230\u5e94\u7528\u7a0b\u5e8f\u67e5\u8be2\u4e2d\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u83b7\u5f97\u5bf9\u6570\u636e\u5e93\u7684\u672a\u6388\u6743\u8bbf\u95ee\u3002 \u8003\u8651\u8fd9\u6bb5\u6709\u6f0f\u6d1e\u7684PHP\u4ee3\u7801\uff1a $username = $_POST[‘username’]; $query = “SELECT * FROM users WHERE username = ‘$username'”; $result = mysqli_query($connection, $query); \u653b\u51fb\u8005\u53ef\u4ee5\u8f93\u5165\uff1aadmin’ –\uff0c\u5c06\u67e5\u8be2\u8f6c\u53d8\u4e3a\uff1a SELECT * FROM users WHERE username = ‘admin’ –‘ \u8fd9\u6837\u5c31\u53ef\u4ee5\u6709\u6548\u5730\u4ee5’admin’\u8eab\u4efd\u767b\u5f55\uff0c\u800c\u65e0\u9700\u5bc6\u7801\u3002 \u9999\u6e2f\u670d\u52a1\u5668\u73af\u5883\uff1a\u4e3b\u8981\u76ee\u6807 \u9999\u6e2f\u4f5c\u4e3a\u5168\u7403\u91d1\u878d\u4e2d\u5fc3\u7684\u5730\u4f4d\u4f7f\u5176\u670d\u52a1\u5668\u5bf9\u7f51\u7edc\u7f6a\u72af\u7279\u522b\u5177\u6709\u5438\u5f15\u529b\u3002\u91d1\u878d\u3001\u7535\u5b50\u5546\u52a1\u548c\u6280\u672f\u7b49\u9ad8\u4ef7\u503c\u76ee\u6807\u7684\u5bc6\u96c6\u96c6\u4e2d\uff0c\u653e\u5927\u4e86SQL\u6ce8\u5165\u653b\u51fb\u7684\u6f5c\u5728\u5f71\u54cd\u3002 \u8bc6\u522bSQL\u6ce8\u5165\u6f0f\u6d1e \u4e3a\u4e86\u6d4b\u8bd5SQL\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5b89\u5168\u4e13\u4e1a\u4eba\u58eb\u7ecf\u5e38\u4f7f\u7528\u4ee5\u4e0b\u6280\u672f\uff1a \u8f93\u5165\u5355\u5f15\u53f7\uff08’\uff09\u4ee5\u89e6\u53d1\u8bed\u6cd5\u9519\u8bef \u4f7f\u7528\u5e03\u5c14\u6761\u4ef6\uff08AND 1=1, AND 1=2\uff09 \u91c7\u7528\u57fa\u4e8eUNION\u7684\u653b\u51fb\u6765\u68c0\u7d22\u989d\u5916\u6570\u636e \u81ea\u52a8\u5316\u5de5\u5177\u5982sqlmap\u4e5f\u53ef\u7528\u4e8e\u5168\u9762\u7684\u6f0f\u6d1e\u8bc4\u4f30\u3002 \u52a0\u5f3a\u9632\u5fa1\uff1a\u6700\u4f73\u5b9e\u8df5 1. \u53c2\u6570\u5316\u67e5\u8be2\uff1aSQL\u6ce8\u5165\u9632\u8303\u7684\u9ec4\u91d1\u6807\u51c6\u3002 $stmt = $pdo->prepare(‘SELECT * FROM users WHERE username […]<\/p>\n\u89e3\u6790SQL\u6ce8\u5165\uff1a\u65e0\u58f0\u7684\u5a01\u80c1<\/strong><\/h2>\n
\r\n$username = $_POST['username'];\r\n$query = \"SELECT * FROM users WHERE username = '$username'\";\r\n$result = mysqli_query($connection, $query);\r\n <\/code><\/pre>\nadmin' --<\/code>\uff0c\u5c06\u67e5\u8be2\u8f6c\u53d8\u4e3a\uff1a<\/p>\n\r\nSELECT * FROM users WHERE username = 'admin' --'\r\n <\/code><\/pre>\n\u9999\u6e2f\u670d\u52a1\u5668\u73af\u5883\uff1a\u4e3b\u8981\u76ee\u6807<\/strong><\/h2>\n
\u8bc6\u522bSQL\u6ce8\u5165\u6f0f\u6d1e<\/strong><\/h2>\n
\n
\u52a0\u5f3a\u9632\u5fa1\uff1a\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
\r\n$stmt = $pdo->prepare('SELECT * FROM users WHERE username = :username');\r\n$stmt->execute(['username' => $username]);\r\n <\/code><\/pre>\n\r\nfunction sanitizeInput($input) {\r\n return htmlspecialchars(strip_tags($input));\r\n}\r\n$username = sanitizeInput($_POST['username']);\r\n <\/code><\/pre>\n\u9999\u6e2f\u7279\u5b9a\u8003\u8651\u56e0\u7d20<\/strong><\/h2>\n
\u9ad8\u7ea7\u9632\u5fa1\u6b66\u5668\u5e93<\/strong><\/h2>\n
\u7a81\u7834\u754c\u9650\uff1a\u4e0b\u4e00\u4ee3\u9632\u5fa1<\/strong><\/h2>\n
\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff1aSQL\u6ce8\u5165\u548c\u9999\u6e2f\u670d\u52a1\u5668\u5b89\u5168<\/strong><\/h2>\n
\n \u7b54\uff1a\u81f3\u5c11\u6bcf\u5b63\u5ea6\u8fdb\u884c\u4e00\u6b21\u5f7b\u5e95\u5ba1\u6838\uff0c\u540c\u65f6\u4fdd\u6301\u6301\u7eed\u76d1\u63a7\u3002<\/p>\n
\n \u7b54\uff1a\u5f53\u7136\u6709\u5173\u3002PDPO\u8981\u6c42\u4e25\u683c\u7684\u6570\u636e\u4fdd\u62a4\u63aa\u65bd\uff0c\u4f7fSQL\u6ce8\u5165\u9632\u8303\u5bf9\u5408\u89c4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n
\n \u7b54\uff1a\u867d\u7136\u5b83\u4eec\u63d0\u4f9b\u4e00\u4e9b\u4fdd\u62a4\uff0c\u4f46\u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\u7684\u5b89\u5168\u6027\uff08\u5305\u62ecSQL\u6ce8\u5165\u9632\u8303\uff09\u7684\u6700\u7ec8\u8d23\u4efb\u901a\u5e38\u5728\u4e8e\u5ba2\u6237\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"