{"id":3345,"date":"2024-03-24T04:57:16","date_gmt":"2024-03-23T20:57:16","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=3345"},"modified":"2024-03-24T04:57:16","modified_gmt":"2024-03-23T20:57:16","slug":"kerberos%e5%8d%8f%e8%ae%ae%e6%8e%a2%e7%b4%a2%e7%b3%bb%e5%88%97%e4%b9%8b%e6%89%ab%e6%8f%8f%e4%b8%8e%e7%88%86%e7%a0%b44993","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/24\/kerberos%e5%8d%8f%e8%ae%ae%e6%8e%a2%e7%b4%a2%e7%b3%bb%e5%88%97%e4%b9%8b%e6%89%ab%e6%8f%8f%e4%b8%8e%e7%88%86%e7%a0%b44993\/","title":{"rendered":"Kerberos\u534f\u8bae\u63a2\u7d22\u7cfb\u5217\u4e4b\u626b\u63cf\u4e0e\u7206\u7834\u7bc7"},"content":{"rendered":"
\n

\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 \u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n

\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n

\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n

\"hashcat\u4f7f\u7528\u8bf4\u660e\"\"hashcat\u4f7f\u7528\u8bf4\u660e\"<\/p>\n

0x00 \u5f15\u8a00 Kerberos\u662f\u4e00\u79cd\u7f51\u7edc\u8eab\u4efd\u9a8c\u8bc1\u534f\u8bae\uff0c\u7531MIT\uff08\u9ebb\u7701\u7406\u5de5\u5927\u5b66\uff09\u63d0\u51fa\u3002\u5b83\u65e8\u5728\u4e3a\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5f3a\u8eab\u4efd\u9a8c\u8bc1\uff0c\u901a\u8fc7\u4f7f\u7528\u5bc6\u94a5\u52a0\u5bc6\u6280\u672f\u3002\u7136\u800c\uff0c\u5728\u4e86\u89e3Kerberos\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u53d1\u73b0\u8bb8\u591a\u76f8\u5173\u6587\u7ae0\u90fd\u662f\u673a\u5668\u76f4\u63a5\u7ffb\u8bd1\u7684\uff0c\u6709\u4e9b\u5199\u5f97\u5f88\u597d\uff0c\u4f46\u5b9e\u9645\u64cd\u4f5c\u6027\u8f83\u5f31\uff0c\u53ef\u80fd\u4f1a\u8ba9\u521d\u6b21\u63a5\u89e6Kerberos\u7684\u4eba\u611f\u5230\u65e0\u4ece\u4e0b\u624b\u3002\u56e0\u6b64\uff0c\u672c\u6587\u65e8\u5728\u901a\u8fc7\u8be6\u7ec6\u7684\u5b9e\u9a8c\u7ed3\u5408\u539f\u7406\uff0c\u4ecb\u7ecd\u4e0eKerberos\u76f8\u5173\u7684\u4e00\u4e9b\u653b\u51fb\u6280\u672f\u3002\u672c\u6587\u5c06\u5206\u4e3a\u4e09\u7bc7\u3002\u7b2c\u4e00\u7bc7\u5c06\u4ecb\u7ecd\u57df\u73af\u5883\u548cKerberos\u534f\u8bae\u7684\u8bf4\u660e\uff0c\u4ee5\u53caKerberoasting\u653b\u51fb\u6280\u672f\u3002\u7b2c\u4e8c\u7bc7\u5c06\u4ecb\u7ecdMS14068\u6f0f\u6d1e\u548cKerberos\u7968\u636e\u7684\u5229\u7528\u3002\u7b2c\u4e09\u7bc7\u5c06\u4ecb\u7ecdKerberos\u59d4\u6d3e\u7684\u653b\u51fb\u6280\u672f\u548c\u539f\u7406\u3002<\/p>\n

\"hashcat\u4f7f\u7528\u8bf4\u660e\"<\/p>\n

0x01 \u57df\u73af\u5883 \u5728\u4ecb\u7ecdKerberos\u4e4b\u524d\uff0c\u5148\u4e86\u89e3\u4e00\u4e9b\u57df\u73af\u5883\u7684\u6982\u5ff5\u3002\u57df\u7684\u4ea7\u751f\u662f\u4e3a\u4e86\u89e3\u51b3\u4f01\u4e1a\u5185\u90e8\u7684\u8d44\u6e90\u7ba1\u7406\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u516c\u53f8\u53ef\u4ee5\u5728\u7f51\u7edc\u4e2d\u5efa\u7acb\u4e00\u4e2a\u57df\u73af\u5883\uff0c\u4ee5\u4fbf\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u5185\u90e8\u8d44\u6e90\u3002\u5728\u4e00\u4e2a\u57df\u4e2d\uff0c\u6709\u57df\u63a7\u3001\u57df\u7ba1\u7406\u5458\u3001\u666e\u901a\u7528\u6237\u3001\u4e3b\u673a\u7b49\u5404\u79cd\u8d44\u6e90\u3002\u5728\u4e0b\u56fe\u4e2d\uff0cYUNYING.LAB\u662f\u5176\u4ed6\u4e24\u4e2a\u57df\u7684\u6839\u57df\uff0cNEWS.YUNYING.LAB\u548cDEV.YUNYING.LAB\u662fYUNYING.LAB\u7684\u5b50\u57df\uff0c\u8fd9\u4e09\u4e2a\u57df\u7ec4\u6210\u4e86\u4e00\u4e2a\u57df\u6811\u3002\u5b50\u57df\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u96c6\u56e2\u5728\u4e0d\u540c\u4e1a\u52a1\u4e0a\u7684\u5206\u516c\u53f8\uff0c\u5b83\u4eec\u6709\u4e00\u4e9b\u4e1a\u52a1\u91cd\u5408\u7684\u70b9\uff0c\u4f46\u90fd\u5c5e\u4e8eYUNYING.LAB\u8fd9\u4e2a\u6839\u57df\uff0c\u540c\u65f6\u53c8\u72ec\u7acb\u8fd0\u4f5c\u3002TEST.COM\u4e5f\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u57df\u6811\uff0cYUNYING.LAB\u548cTEST.COM\u7ec4\u5408\u8d77\u6765\u88ab\u79f0\u4e3a\u4e00\u4e2a\u57df\u6797\u3002<\/p>\n

\"hashcat\u4f7f\u7528\u8bf4\u660e\"<\/p>\n

\u672c\u6587\u4ee5\u6839\u57df\u4e3aYUNYING.LAB\u7684\u57df\u4e3a\u4f8b\u8fdb\u884c\u6f14\u793a\u3002YUNYING.LAB\u7684\u57df\u63a7\u662fDC.YUNYING.LAB\uff0c\u5b50\u57dfNEWS.YUNYING.LAB\u548cDEV.YUNYING.LAB\u7684\u57df\u63a7\u5206\u522b\u662fNEWSDC.NEWS.YUNYING.LAB\u548cDEVDC.DEV.YUNYING.LAB\u3002\u4e0a\u9762\u63d0\u5230\u7684\u90fd\u662fFQDN\uff08Fully Qualified Domain Name\uff0c\u5168\u9650\u5b9a\u57df\u540d\uff09\uff0c\u5373\u540c\u65f6\u5305\u542b\u4e3b\u673a\u540d\u548c\u57df\u540d\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff0cDC.YUNYING.LAB\u4e2d\u7684DC\u662f\u4e3b\u673a\u540d\uff0c\u57df\u540d\u662fYUNYING.LAB\uff0c\u6240\u4ee5\u5b83\u7684FQDN\u540d\u79f0\u662fDC.YUNYING.LAB\u3002<\/p>\n

\"hashcat\u4f7f\u7528\u8bf4\u660e\"<\/p>\n

\u5982\u679c\u60f3\u4e86\u89e3\u5982\u4f55\u642d\u5efa\u57df\u73af\u5883\u548c\u5efa\u7acb\u5b50\u57df\uff0c\u53ef\u4ee5\u53c2\u8003\u4e00\u4e9b\u5728\u7ebf\u8bf4\u660e\u3002\u672c\u6587\u4e2d\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u662fWindows Server 2008 R2+Windows 7\u3002<\/p>\n

0x02 Kerberos\u7b80\u4ecb \u5728Kerberos\u8ba4\u8bc1\u4e2d\uff0c\u6700\u4e3b\u8981\u7684\u95ee\u9898\u662f\u5982\u4f55\u8bc1\u660e\u201c\u4f60\u662f\u4f60\u201d\u7684\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u5f53\u4e00\u4e2aClient\u60f3\u8981\u8bbf\u95eeServer\u670d\u52a1\u5668\u4e0a\u7684\u67d0\u4e2a\u670d\u52a1\u65f6\uff0cServer\u5982\u4f55\u5224\u65adClient\u662f\u5426\u6709\u6743\u9650\u8bbf\u95ee\u81ea\u5df1\u4e3b\u673a\u4e0a\u7684\u670d\u52a1\uff0c\u5e76\u786e\u4fdd\u5373\u4f7f\u901a\u4fe1\u5185\u5bb9\u88ab\u62e6\u622a\u6216\u7be1\u6539\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002\u8fd9\u6b63\u662fKerberos\u6240\u89e3\u51b3\u7684\u95ee\u9898\u3002\u5728\u57df\u6e17\u900f\u8fc7\u7a0b\u4e2d\uff0cKerberos\u534f\u8bae\u7684\u653b\u9632\u4e5f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

1 Kerberos\u534f\u8bae\u6846\u67b6 Kerberos\u534f\u8bae\u4e2d\u4e3b\u8981\u6d89\u53ca\u4e09\u4e2a\u89d2\u8272\uff1a\u8bbf\u95ee\u670d\u52a1\u7684Client\u3001\u63d0\u4f9b\u670d\u52a1\u7684Server\u548cKDC\uff08Key Distribution Center\uff0c\u5bc6\u94a5\u5206\u53d1\u4e2d\u5fc3\uff09\u3002<\/p>\n

\u5176\u4e2d\uff0cKDC\u670d\u52a1\u901a\u5e38\u5b89\u88c5\u5728\u57df\u7684\u57df\u63a7\u4e2d\uff0c\u800cClient\u548cServer\u662f\u57df\u5185\u7684\u7528\u6237\u6216\u670d\u52a1\uff0c\u4f8b\u5982HTTP\u670d\u52a1\u3001SQL\u670d\u52a1\u3002\u5728Kerberos\u4e2d\uff0cClient\u662f\u5426\u6709\u6743\u9650\u8bbf\u95eeServer\u7aef\u7684\u670d\u52a1\u7531KDC\u53d1\u653e\u7684\u7968\u636e\u51b3\u5b9a\u3002<\/p>\n

\u5982\u679c\u5c06Kerberos\u4e2d\u7684\u7968\u636e\u7c7b\u6bd4\u4e3a\u4e00\u5f20\u706b\u8f66\u7968\uff0c\u90a3\u4e48Client\u7aef\u5c31\u662f\u4e58\u5ba2\uff0cServer\u7aef\u5c31\u662f\u706b\u8f66\uff0c\u800cKDC\u5c31\u662f\u8f66\u7ad9\u7684\u8ba4\u8bc1\u7cfb\u7edf\u3002\u53ea\u6709\u5f53Client\u7aef\u7684\u7968\u636e\u662f\u5408\u6cd5\u7684\uff08\u7531\u4e58\u5ba2\u672c\u4eba\u8d2d\u4e70\u5e76\u6301\u6709\u7684\u8eab\u4efd\u8bc1\u660e\uff09\u4e14\u5177\u6709\u8bbf\u95eeServer\u7aef\u670d\u52a1\u7684\u6743\u9650\uff08\u8f66\u7968\u5bf9\u5e94\u6b63\u786e\u7684\u8f66\u6b21\uff09\uff0c\u4e58\u5ba2\u624d\u80fd\u4e0a\u8f66\u3002\u4e0d\u540c\u4e8e\u706b\u8f66\u7968\u7684\u662f\uff0cKerberos\u4e2d\u5b58\u5728\u4e24\u5f20\u7968\uff0c\u800c\u706b\u8f66\u7968\u53ea\u6709\u4e00\u5f20\u3002<\/p>\n

KDC\u670d\u52a1\u6846\u67b6\u4e2d\u5305\u542b\u4e00\u4e2aKRBTGT\u8d26\u6237\uff0c\u5b83\u662f\u5728\u521b\u5efa\u57df\u65f6\u7cfb\u7edf\u81ea\u52a8\u521b\u5efa\u7684\u4e00\u4e2a\u8d26\u53f7\uff0c\u53ef\u4ee5\u6682\u65f6\u7406\u89e3\u4e3a\u4e00\u4e2a\u65e0\u6cd5\u767b\u5f55\u7684\u8d26\u53f7\u3002<\/p>\n

2 Kerberos\u8ba4\u8bc1\u6d41\u7a0b \u5f53Client\u60f3\u8981\u8bbf\u95eeServer\u4e0a\u7684\u67d0\u4e2a\u670d\u52a1\u65f6\uff0c\u9700\u8981\u5148\u5411AS\u8bc1\u660e\u81ea\u5df1\u7684\u8eab\u4efd\uff0c\u7136\u540e\u901a\u8fc7AS\u53d1\u653e\u7684TGT\u5411Server\u53d1\u8d77\u8ba4\u8bc1\u8bf7\u6c42\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5206\u4e3a\u4e09\u4e2a\u9636\u6bb5\uff1a<\/p>\n

(1) The Authentication Service Exchange\uff1aClient\u4e0eAS\u7684\u4ea4\u4e92
\nClient\u9996\u5148\u5411KDC\u7684AS\u53d1\u9001Authenticator1\uff0c\u5176\u4e2d\u5305\u542b\u901a\u8fc7Client\u5bc6\u7801\u52a0\u5bc6\u7684\u65f6\u95f4\u6233\u3001Client ID\u3001\u7f51\u7edc\u5730\u5740\u548c\u52a0\u5bc6\u7c7b\u578b\u7b49\u5185\u5bb9\u3002<\/p>\n

AS\u63a5\u6536\u5230Client\u7684\u8bf7\u6c42\u540e\uff0c\u6839\u636eKDC\u4e2d\u5b58\u50a8\u7684\u5bc6\u7801\u6765\u89e3\u5bc6Authenticator1\u3002\u5982\u679c\u89e3\u5bc6\u6210\u529f\u5e76\u9a8c\u8bc1\u4fe1\u606f\u65e0\u8bef\uff0cAS\u4f1a\u8fd4\u56de\u7531Client\u5bc6\u7801\u52a0\u5bc6\u7684sessionkey-as\u548cTGT\uff08\u7531KRBTGT\u5bc6\u7801\u52a0\u5bc6\u7684sessionkey-as\u548c\u65f6\u95f4\u6233\u7b49\u4fe1\u606f\uff09\u7ed9Client\u3002<\/p>\n

(2) The Ticket-Granting Service (TGS) Exchange\uff1aClient\u4e0eTGS\u7684\u4ea4\u4e92
\nClient\u6536\u5230\u52a0\u5bc6\u540e\u7684sessionkey-as\u548cTGT\u540e\uff0c\u4f7f\u7528\u81ea\u8eab\u5bc6\u7801\u89e3\u5bc6\u5f97\u5230sessionkey-as\uff0c\u4f46\u65e0\u6cd5\u89e3\u5bc6TGT\u3002\u7136\u540e\uff0cClient\u4f7f\u7528sessionkey-as\u52a0\u5bc6\u65f6\u95f4\u6233\u548cTGT\uff0c\u5411KDC\u4e2d\u7684TGS\uff08Ticket Granting Server\uff0c\u7968\u636e\u6388\u6743\u670d\u52a1\u5668\uff09\u53d1\u8d77\u8bf7\u6c42\uff0c\u4ee5\u83b7\u53d6\u8bbf\u95eeServer\u7684\u7968\u636e\u3002<\/p>\n

TGS\u6536\u5230Client\u53d1\u9001\u7684TGT\u548csessionkey-as\u52a0\u5bc6\u7684\u65f6\u95f4\u6233\u540e\uff0c\u9996\u5148\u68c0\u67e5\u81ea\u8eab\u662f\u5426\u5b58\u5728Client\u6240\u8bf7\u6c42\u7684\u670d\u52a1\u3002\u5982\u679c\u670d\u52a1\u5b58\u5728\uff0c\u5219\u4f7f\u7528KRBTGT\u5bc6\u7801\u89e3\u5bc6TGT\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cTGS\u4f1a\u68c0\u67e5TGT\u4e2d\u7684\u65f6\u95f4\u6233\uff0c\u4ee5\u67e5\u770bTGT\u662f\u5426\u8fc7\u671f\uff0c\u5e76\u9a8c\u8bc1\u539f\u59cb\u5730\u5740\u662f\u5426\u4e0eTGT\u4e2d\u4fdd\u5b58\u7684\u5730\u5740\u76f8\u540c\u3002\u9a8c\u8bc1\u6210\u529f\u540e\uff0cTGS\u5c06\u4f7f\u7528sessionkey-as\u52a0\u5bc6\u7684sessionkey-tgs\u548cServer\u5bc6\u7801\u52a0\u5bc6\u7684sessionkey-tgs\u53d1\u9001\u7ed9Client\u3002<\/p>\n

(3) The Client\/Server Authentication Exchange\uff1aClient\u4e0eServer\u7684\u4ea4\u4e92
\nClient\u6536\u5230sessionkey-as\u52a0\u5bc6\u7684sessionkey-tgs\u548cServer\u5bc6\u7801\u52a0\u5bc6\u7684sessionkey-tgs\u540e\uff0c\u4f7f\u7528sessionkey-as\u89e3\u5bc6\u5f97\u5230sessionkey-tgs\uff0c\u5e76\u5c06sessionkey-tgs\u52a0\u5bc6\u7684\u65f6\u95f4\u6233\u548cST\u4e00\u8d77\u53d1\u9001\u7ed9Server\u3002<\/p>\n

Server\u901a\u8fc7\u81ea\u8eab\u5bc6\u7801\u89e3\u5bc6ST\uff0c\u5f97\u5230sessionkey-tgs\uff0c\u5e76\u4f7f\u7528sessionkey-tgs\u89e3\u5bc6Authenticator3\u4ee5\u83b7\u53d6\u65f6\u95f4\u6233\u3002\u5982\u679c\u9a8c\u8bc1\u6b63\u786e\uff0cServer\u8fd4\u56de\u9a8c\u8bc1\u6210\u529f\u7684\u6d88\u606f\u3002<\/p>\n

\u8fd9\u5c31\u662fKerberos\u8ba4\u8bc1\u7684\u6d41\u7a0b\uff0c\u7531\u4e8e\u7bc7\u5e45\u9650\u5236\uff0c\u4e0a\u8ff0\u8fc7\u7a0b\u8fdb\u884c\u4e86\u7b80\u5316\u8bf4\u660e\u3002\u5982\u9700\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003\u4e0b\u9762\u7684\u94fe\u63a5\u3002<\/p>\n

3 PAC \u5728Kerberos\u4e2d\uff0c\u9664\u4e86\u8bc1\u660eClient\u7684\u8eab\u4efd\u5916\uff0c\u8fd8\u9700\u8981\u786e\u5b9aClient\u662f\u5426\u5177\u6709\u8bbf\u95eeServer\u670d\u52a1\u7684\u6743\u9650\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5fae\u8f6f\u5728Kerberos\u5b9e\u73b0\u4e2d\u5f15\u5165\u4e86PAC\uff08Privilege Attribute Certificate\uff0c\u7279\u6743\u5c5e\u6027\u8bc1\u4e66\uff09\u7684\u6982\u5ff5\u3002\u53ef\u4ee5\u5c06PAC\u7406\u89e3\u4e3a\u4e00\u79cd\u6821\u9a8c\u4fe1\u606f\uff0c\u7c7b\u4f3c\u4e8e\u706b\u8f66\u7968\u7684\u4e00\u7b49\u5ea7\u548c\u4e8c\u7b49\u5ea7\uff0c\u7528\u4e8e\u533a\u5206\u4e0d\u540c\u6743\u9650\u7684\u65b9\u5f0f\u3002<\/p>\n

(1) PAC\u7684\u5b9e\u73b0
\n\u5f53\u7528\u6237\u4e0eKDC\u5b8c\u6210\u8ba4\u8bc1\u8fc7\u7a0b\u540e\uff0cClient\u5728\u8bbf\u95eeServer\u63d0\u4f9b\u7684\u670d\u52a1\u65f6\uff0cServer\u9700\u8981\u5c06Client\u7684User SID\u7b49\u4fe1\u606f\u4f20\u9012\u7ed9KDC\u3002KDC\u6839\u636eSID\u5224\u65ad\u7528\u6237\u7684\u7528\u6237\u7ec4\u4fe1\u606f\u548c\u7528\u6237\u6743\u9650\uff0c\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9Server\u3002Server\u5c06\u6b64\u4fe1\u606f\u4e0e\u7528\u6237\u6240\u8bf7\u6c42\u7684\u8d44\u6e90\u7684ACL\u8fdb\u884c\u6bd4\u8f83\uff0c\u6700\u7ec8\u51b3\u5b9a\u662f\u5426\u63d0\u4f9b\u76f8\u5e94\u7684\u670d\u52a1\u3002<\/p>\n

PAC\u901a\u5e38\u5b58\u50a8\u5728KRBAS<\/em>REP\u4e2d\u7684TGT\u4e2d\uff0c\u5e76\u7531KDC\u5bc6\u7801\u52a0\u5bc6\u3002\u540c\u65f6\uff0cPAC\u4e2d\u5305\u542b\u4e24\u4e2a\u6570\u5b57\u7b7e\u540d\uff1aPACSERVER<\/em>CHECKSUM\u548cPACPRIVSVR<\/em>CHECKSUM\uff0c\u5206\u522b\u7531Server\u7aef\u5bc6\u7801\u548cKDC\u7684\u5bc6\u7801\u52a0\u5bc6\u3002<\/p>\n

TGS\u5728\u89e3\u5bc6TGT\u5e76\u9a8c\u8bc1\u7b7e\u540d\u6b63\u786e\u540e\uff0c\u91cd\u65b0\u6784\u9020\u5305\u542b\u65b0PAC\u7684ST\u8fd4\u56de\u7ed9Client\u3002Client\u5c06ST\u53d1\u9001\u7ed9Server\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n

(2) Server\u4e0eKDC
\nPAC\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e32\u6821\u9a8c\u4fe1\u606f\uff0c\u4e3a\u9632\u6b62\u4f2a\u9020\u548c\u7be1\u6539\uff0c\u901a\u5e38\u5b58\u50a8\u5728TGT\u4e2d\uff0c\u5e76\u7531KDC\u5bc6\u7801\u52a0\u5bc6\u3002\u5c3e\u90e8\u8fd8\u6709\u4e24\u4e2a\u6570\u5b57\u7b7e\u540d\uff0c\u5206\u522b\u7531KDC\u5bc6\u7801\u548cServer\u5bc6\u7801\u52a0\u5bc6\uff0c\u4ee5\u9632\u6b62\u6570\u5b57\u7b7e\u540d\u5185\u5bb9\u88ab\u7be1\u6539\u3002<\/p>\n

0x03 Kerberos\u4e0eSPN
\n1 SPN\u7b80\u4ecb
\nSPN\uff08Service Principal Names\uff0c\u670d\u52a1\u4e3b\u4f53\u540d\u79f0\uff09\u662f\u670d\u52a1\u5b9e\u4f8b\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002Kerberos\u8eab\u4efd\u9a8c\u8bc1\u4f7f\u7528SPN\u5c06\u670d\u52a1\u5b9e\u4f8b\u4e0e\u670d\u52a1\u767b\u5f55\u5e10\u6237\u76f8\u5173\u8054\u3002\u5982\u679c\u5728\u6574\u4e2a\u6797\u6216\u57df\u4e2d\u7684\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u4e86\u591a\u4e2a\u670d\u52a1\u5b9e\u4f8b\uff0c\u5219\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u5fc5\u987b\u5177\u6709\u81ea\u5df1\u7684SPN\u3002\u5982\u679c\u5ba2\u6237\u7aef\u53ef\u80fd\u4f7f\u7528\u591a\u4e2a\u540d\u79f0\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u5219\u7ed9\u5b9a\u670d\u52a1\u5b9e\u4f8b\u53ef\u4ee5\u5177\u6709\u591a\u4e2aSPN\u3002SPN\u59cb\u7ec8\u5305\u542b\u8fd0\u884c\u670d\u52a1\u5b9e\u4f8b\u7684\u4e3b\u673a\u7684\u540d\u79f0\uff0c\u56e0\u6b64\u670d\u52a1\u5b9e\u4f8b\u53ef\u4ee5\u4e3a\u5176\u4e3b\u673a\u7684\u6bcf\u4e2a\u540d\u79f0\u6216\u522b\u540d\u6ce8\u518cSPN\u3002<\/p>\n

\u5982\u679c\u60f3\u8981\u4f7f\u7528Kerberos\u534f\u8bae\u8fdb\u884c\u670d\u52a1\u8ba4\u8bc1\uff0c\u5c31\u5fc5\u987b\u6b63\u786e\u914d\u7f6eSPN\u3002<\/p>\n

2 SPN\u683c\u5f0f\u4e0e\u914d\u7f6e
\n\u5728SPN\u7684\u8bed\u6cd5\u4e2d\uff0c\u6709\u56db\u4e2a\u5143\u7d20\uff0c\u5176\u4e2d\u4e24\u4e2a\u662f\u5fc5\u9700\u7684\uff0c\u53e6\u5916\u4e24\u4e2a\u662f\u53ef\u9009\u7684\uff1a<\/p>\n

\/: \uff1a\u6807\u8bc6\u670d\u52a1\u7c7b\u7684\u5b57\u7b26\u4e32
\n\uff1a\u670d\u52a1\u6240\u5728\u4e3b\u673a\u540d\u79f0
\n\uff1a\u670d\u52a1\u7aef\u53e3
\n\uff1a\u670d\u52a1\u540d\u79f0<\/p>\n

\u4f8b\u5982\uff0c\u5982\u679c\u8981\u5c06\u57df\u4e2d\u4e00\u53f0\u540d\u4e3aS2\u7684\u4e3b\u673a\u4e0a\u7684MSSQL\u670d\u52a1\u6ce8\u518c\u5230SPN\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1aSetspn -A MSSQLSvc\/s2.yunying.lab:1433 tsvc<\/p>\n

\u6ce8\u518c\u6210\u529f\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4setspn -T yunying.lab \u2013q \/<\/em>\u6216setspn \u2013q \/<\/em>\u6765\u67e5\u770b\u5df2\u6ce8\u518c\u7684SPN\u3002SPN\u5728\u5176\u6ce8\u518c\u7684\u6797\u4e2d\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002\u5982\u679c\u4e0d\u552f\u4e00\uff0c\u8eab\u4efd\u9a8c\u8bc1\u5c06\u5931\u8d25\u3002<\/p>\n

\u5728\u6ce8\u518cSPN\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528NetBIOS\u540d\u79f0\uff08\u5982s2\uff09\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528FQDN\uff08\u5982s2.yunying.lab\uff09\u3002\u5982\u679c\u53d1\u73b0\u67d0\u79cd\u540d\u79f0\u6ce8\u518c\u7684SPN\u65e0\u6cd5\u6210\u529f\u8bbf\u95ee\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528\u5176\u4ed6\u540d\u79f0\u3002<\/p>\n

3 SPN\u626b\u63cf
\n\u5728\u4e86\u89e3\u4e86Kerberos\u548cSPN\u4e4b\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7SPN\u6765\u83b7\u53d6\u6240\u9700\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u60f3\u77e5\u9053\u57df\u5185\u54ea\u4e9b\u4e3b\u673a\u5b89\u88c5\u4e86\u4ec0\u4e48\u670d\u52a1\uff0c\u5c31\u4e0d\u9700\u8981\u8fdb\u884c\u6279\u91cf\u7684\u7f51\u7edc\u7aef\u53e3\u626b\u63cf\u3002\u76f8\u6bd4\u4f20\u7edf\u7684\u7f51\u7edc\u7aef\u53e3\u626b\u63cf\uff0cSPN\u626b\u63cf\u5177\u6709\u66f4\u9ad8\u7684\u9690\u853d\u6027\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u76f4\u63a5\u4e0e\u670d\u52a1\u4e3b\u673a\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n

(1) \u626b\u63cf\u5de5\u5177
\n\u6709\u591a\u79cd\u626b\u63cf\u5de5\u5177\u53ef\u4f9b\u9009\u62e9\uff0c\u4e0b\u9762\u4ecb\u7ecd\u51e0\u79cd\u5e38\u89c1\u7684\u5de5\u5177\uff1a<\/p>\n

Discover-PSMSSQLServers\uff1aDiscover-PSMSSQLServers\u662fPowershell-AD-Recon\u5de5\u5177\u96c6\u4e2d\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u7528\u4e8e\u67e5\u8be2\u5df2\u6ce8\u518c\u7684MSSQL\u7c7b\u578b\u7684SPN\u3002<\/p>\n

GetUserSPNs\uff1aGetUserSPNs\u662fKerberoast\u5de5\u5177\u96c6\u4e2d\u7684\u4e00\u4e2aPowershell\u811a\u672c\uff0c\u7528\u4e8e\u67e5\u8be2\u57df\u5185\u6ce8\u518c\u7684SPN\u3002<\/p>\n

PowerView\uff1aPowerView\u662f\u7531Will Schroeder\u5f00\u53d1\u7684Powershell\u811a\u672c\uff0c\u5df2\u96c6\u6210\u5728Powersploit\u548cEmpire\u5de5\u5177\u4e2d\u3002PowerView\u76f8\u5bf9\u4e8e\u5176\u4ed6\u5de5\u5177\u66f4\u8be6\u7ec6\u5730\u8fd4\u56de\u4e0e\u4e0d\u540c\u7528\u6237\u7684objectsid\u76f8\u5173\u7684\u4fe1\u606f\u3002<\/p>\n

\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u811a\u672c\uff0c\u4f7f\u7528\u65b9\u6cd5\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u3002\u5927\u591a\u6570\u5de5\u5177\u90fd\u53ef\u4ee5\u5728GitHub\u4e0a\u627e\u5230\u4e0b\u8f7d\u94fe\u63a5\u3002<\/p>\n

(2) \u539f\u7406\u8bf4\u660e
\n\u5728SPN\u626b\u63cf\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u811a\u672c\u3001\u547d\u4ee4\u76f4\u63a5\u67e5\u8be2\u5185\u7f51\u5df2\u6ce8\u518c\u7684SPN\u5185\u5bb9\u3002\u90a3\u4e48\uff0c\u60f3\u4e86\u89e3\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff0c\u5c31\u9700\u8981\u63d0\u5230LDAP\u534f\u8bae\u3002<\/p>\n

LDAP\u534f\u8bae\u5168\u79f0\u4e3aLightweight Directory Access Protocol\uff0c\u662f\u4e00\u79cd\u7528\u4e8e\u67e5\u8be2\u548c\u66f4\u65b0Active Directory\u7684\u76ee\u5f55\u670d\u52a1\u901a\u4fe1\u534f\u8bae\u3002AD\u57df\u670d\u52a1\u5229\u7528LDAP\u547d\u540d\u8def\u5f84\uff08LDAP naming path\uff09\u6765\u8868\u793a\u5bf9\u8c61\u5728AD\u5185\u7684\u4f4d\u7f6e\uff0c\u4ee5\u4fbf\u7528\u4e8e\u8bbf\u95eeAD\u5185\u7684\u5bf9\u8c61\u3002<\/p>\n

LDAP\u6570\u636e\u7684\u7ec4\u7ec7\u65b9\u5f0f\u53ef\u4ee5\u7c7b\u6bd4\u4e3a\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u5176\u4e2d\u5b58\u50a8\u4e86\u57df\u5185\u4e3b\u673a\u7684\u5404\u79cd\u914d\u7f6e\u4fe1\u606f\u3002\u5728\u57df\u63a7\u4e2d\uff0c\u9ed8\u8ba4\u5b89\u88c5\u4e86ADSI\u7f16\u8f91\u5668\uff08Active Directory Service Interfaces Editor\uff09\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u57df\u63a7\u4e2d\u8fd0\u884cadsiedit.msc\u6765\u6253\u5f00\uff08\u53ea\u6709\u57df\u63a7\u4e2d\u624d\u6709\u6574\u4e2a\u57df\u5185\u7684\u914d\u7f6e\u4fe1\u606f\uff09\u3002<\/p>\n

\u901a\u8fc7adsiedit.msc\uff0c\u53ef\u4ee5\u4fee\u6539\u548c\u7f16\u8f91LDAP\u3002\u5728SPN\u67e5\u8be2\u65f6\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u67e5\u8be2LDAP\u4e2d\u5b58\u50a8\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u5728\u5b9e\u9a8c\u73af\u5883\u57dfYUNYING.LAB\u4e2d\uff0c\u5b58\u5728\u540d\u4e3asvcserver\u7684OU\uff08Organization Unit\uff0c\u7ec4\u7ec7\u5355\u4f4d\uff0c\u7c7b\u4f3c\u4e8e\u90e8\u95e8\uff0c\u5982\u5f00\u53d1\u90e8\u3001\u8d22\u52a1\u90e8\u7b49\uff09\uff0c\u5176\u4e2d\u5305\u542b\u4e86tsvc\u8fd9\u4e2a\u7528\u6237\u3002\u4ece\u7528\u6237\u5c5e\u6027\u4e2d\u53ef\u4ee5\u770b\u5230tsvc\u6ce8\u518c\u8fc7\u7684SPN\u5185\u5bb9\u3002<\/p>\n

\u5f53\u5728\u4e00\u53f0\u4e3b\u673a\u4e0a\u6267\u884csetspn -T yunying.lab -q \/<\/em>\u547d\u4ee4\u67e5\u8be2\u57df\u5185SPN\u65f6\uff0c\u901a\u8fc7\u6293\u5305\u53ef\u4ee5\u770b\u5230\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7LDAP\u534f\u8bae\u5411\u57df\u63a7\u4e2d\u5b89\u88c5\u7684LDAP\u670d\u52a1\u67e5\u8be2SPN\u7684\u5185\u5bb9\u3002<\/p>\n

\u56e0\u6b64\uff0c\u8fd9\u4e9bPowershell\u811a\u672c\u5b9e\u9645\u4e0a\u4e3b\u8981\u662f\u901a\u8fc7\u67e5\u8be2LDAP\u7684\u5185\u5bb9\uff0c\u5e76\u5bf9\u8fd4\u56de\u7ed3\u679c\u8fdb\u884c\u8fc7\u6ee4\u548c\u5c55\u793a\u3002<\/p>\n

0x04 Kerberoasting
\n\u5728\u524d\u9762\u4ecb\u7ecdKerberos\u7684\u8ba4\u8bc1\u6d41\u7a0b\u65f6\u63d0\u5230\uff0c\u5728KRBTGS<\/em>REP\u4e2d\uff0cTGS\u4f1a\u8fd4\u56de\u7ed9Client\u4e00\u5f20\u7968\u636eST\uff0c\u800cST\u662f\u7531Client\u8bf7\u6c42\u7684Server\u7aef\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\u7684\u3002\u5f53Kerberos\u534f\u8bae\u8bbe\u7f6e\u7968\u636e\u4e3aRC4\u65b9\u5f0f\u52a0\u5bc6\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7206\u7834\u5728Client\u7aef\u83b7\u53d6\u7684\u7968\u636eST\uff0c\u4ece\u800c\u83b7\u5f97Server\u7aef\u7684\u5bc6\u7801\u3002<\/p>\n

\u4e0b\u56fe\u663e\u793a\u4e86\u5982\u4f55\u8bbe\u7f6eKerberos\u7684\u52a0\u5bc6\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u57df\u63a7\u7684\u201c\u7ec4\u7b56\u7565\u7ba1\u7406\u201d\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n

\u8bbe\u7f6e\u5b8c\u6210\u540e\uff0c\u8fd0\u884cgpupdate\u547d\u4ee4\u5237\u65b0\u7ec4\u7b56\u7565\uff0c\u4f7f\u5176\u751f\u6548\u3002<\/p>\n

1 \u65e9\u671f\u7684Kerberoasting
\nKerberoasting\u8fd9\u79cd\u653b\u51fb\u65b9\u5f0f\u6700\u521d\u662f\u7531Tim Medin\u63d0\u51fa\u7684\u3002\u4e0b\u9762\u901a\u8fc7\u5b9e\u9a8c\u8fdb\u884c\u6f14\u793a\u3002<\/p>\n

\u5b9e\u9a8c\u73af\u5883\uff1a
\n\u57df\uff1aYUNYING.LAB
\n\u57df\u63a7\uff1aWindows Server 2008 R2 x64\uff08DC\uff09
\n\u57df\u5185\u4e3b\u673a\uff1aWindows 7 x64\uff08s1\uff09\uff0c\u7528\u6237ts1
\n\u57df\u5185\u4e3b\u673a\uff1aWindows Server 2008 R2 x64\uff08s2\uff09\uff0c\u7528\u6237tsvc
\n\u6240\u9700\u5de5\u5177\uff1a
\nKerberoast\u5de5\u5177\u5305
\nMimikatz
\n\u653b\u51fb\u6d41\u7a0b\uff1a<\/p>\n

\"hashcat\u4f7f\u7528\u8bf4\u660e\"<\/p>\n

\u4f7f\u7528Mimikatz\u5bfc\u51fa\u7968\u636e\u3002<\/p>\n

\u4f7f\u7528Kerberoast\u5de5\u5177\u5305\u4e2d\u7684tgsrepcrack.py\u5de5\u5177\u8fdb\u884c\u79bb\u7ebf\u7206\u7834\uff0c\u6210\u529f\u83b7\u53d6tsvc\u8d26\u53f7\u7684\u5bc6\u7801admin1234!<\/p>\n

2 Kerberoasting\u7684\u201c\u65b0\u59ff\u52bf\u201d
\n\u5b9e\u9a8c\u73af\u5883\uff1a
\n\u57df\uff1aYUNYING.LAB
\n\u57df\u63a7\uff1aWindows Server 2008 R2 x64\uff08DC\uff09
\n\u57df\u5185\u4e3b\u673a\uff1aWindows 7 x64\uff08s1\uff09\uff0c\u7528\u6237ts1
\n\u57df\u5185\u4e3b\u673a\uff1aWindows Server 2008 R2 x64\uff08s2\uff09\uff0c\u7528\u6237tsvc
\n\u6240\u9700\u5de5\u5177\uff1a
\nInvoke-Kerberoast.ps1
\nHashCat
\n\u653b\u51fb\u6d41\u7a0b\uff1a
\n\u5728\u4e4b\u524d\u7684Kerberoasting\u4e2d\uff0c\u9700\u8981\u901a\u8fc7Mimikatz\u4ece\u5185\u5b58\u4e2d\u5bfc\u51fa\u7968\u636e\u3002\u800c\u4f7f\u7528Invoke-Kerberoast\uff0c\u53ef\u4ee5\u63d0\u53d6\u7968\u636e\u4f20\u8f93\u65f6\u7684\u539f\u59cb\u5b57\u8282\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aHashCat\u6216John the Ripper\u53ef\u4ee5\u76f4\u63a5\u7206\u7834\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n

\u73af\u5883\u4e0d\u53d8\uff0c\u5728s1\u4e3b\u673a\u4e0a\u4f7f\u7528Invoke-Kerberoast\u811a\u672c\uff08\u8fd9\u91cc\u4f7f\u7528Empire\u4e2d\u7684Invoke-Kerberoast.ps1\uff09\u3002<\/p>\n

Invoke-Kerberoast -Outputformat Hashcat | fl<\/p>\n

\u901a\u8fc7\u6293\u5305\u53ef\u4ee5\u770b\u5230Invoke-Kerberoast\u8f93\u51fa\u7684Hash\u503c\u5c31\u662fTGS-REP\u4e2d\u8fd4\u56de\u7684\u7968\u636e\u5185\u5bb9\uff0c\u7136\u540e\u5c06\u5176\u62fc\u63a5\u6210HashCat\u53ef\u4ee5\u76f4\u63a5\u7206\u7834\u7684\u683c\u5f0f\uff08\u4ee5$krb5tgs$23*\u5f00\u5934\u7684\uff09\u3002<\/p>\n

\u5c06\u5185\u5bb9\u4fdd\u5b58\u5230\u6587\u6863\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u91cd\u5b9a\u5411\u5230TXT\u6587\u4ef6\uff1a<\/p>\n

Invoke-Kerberoast -Outputformat Hashcat | fl > test1.txt<\/p>\n

\u4f7f\u7528HashCat\u5de5\u5177\u8fdb\u884c\u7834\u89e3\uff1a<\/p>\n

hashcat64.exe \u2013m 13100 test1.txt password.list \u2013force<\/p>\n

\u53ef\u4ee5\u770b\u5230\u79bb\u7ebf\u7834\u89e3\u6210\u529f\uff0c\u8f93\u51fa\u4e86s2\u7684\u5bc6\u7801admin1234!\u3002\u8fd9\u91cc\u7684-m\u53c2\u6570\u8868\u793a\u9009\u62e9\u4e0d\u540c\u7684\u52a0\u5bc6\u7c7b\u578b\uff0c\u5176\u4e2d13100\u5bf9\u5e94Kerberos 5 TGS-REP\u7c7b\u578b\u7684\u5bc6\u6587\u3002<\/p>\n

\u66f4\u591aHashCat\u7c7b\u578b\u7684\u4fe1\u606f\u53ef\u4ee5\u53c2\u8003\uff1a<\/p>\n

3 Invoke-Kerberoast\u7684\u5b9e\u73b0
\n\u6700\u521d\u8fdb\u884c\u5b9e\u9a8c\u65f6\uff0c\u6211\u5728GitHub\u4e0a\u641c\u7d22\u4e86Invoke-Kerberoast\uff0c\u4e0b\u8f7d\u4e86\u4e00\u4e2a\u5730\u5740\u7684\u5de5\u5177\uff0c\u4f46\u4e0b\u8f7d\u540e\u53d1\u73b0\u65e0\u6cd5\u6b63\u5e38\u4f7f\u7528\u3002\u67e5\u770b\u4ee3\u7801\u540e\u53d1\u73b0\uff0c\u5728\u5b57\u7b26\u4e32\u62fc\u63a5\u65f6\u5b58\u5728\u683c\u5f0f\u95ee\u9898\uff0c\u8f93\u51fa\u7684\u5185\u5bb9\u4e0d\u7b26\u5408HashCat\u7684\u683c\u5f0f\u8981\u6c42\u3002\u56e0\u6b64\uff0c\u6211\u76f4\u63a5\u4f7f\u7528\u4e86Empire\u4e2d\u7684Invoke-Kerberoast.ps1\u811a\u672c\uff08\u4e0b\u8f7d\u5730\u5740\uff1a\uff09\u3002\u4e0b\u9762\u4ee5\u8be5\u811a\u672c\u4e3a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n

\u5728Invoke-Kerberoast\u51fd\u6570\u4e2d\uff0c\u901a\u8fc7Get-DomainUser\u51fd\u6570\u67e5\u8be2\u7ec4\u5185\u6240\u6709\u7528\u6237\u7684LDAP\u5e93\u4e2d\u5b58\u50a8\u7684\u5185\u5bb9\uff0c\u5e76\u901a\u8fc7\u7ba1\u9053\u4f20\u9012\u7ed9Get-DomainSPNTicket\u51fd\u6570\u3002<\/p>\n

Get-DomainUser\u7684\u8f93\u51fa\u7ed3\u679c\uff08\u4f7f\u7528-erroraction “Silentlycontinue”\u6d88\u9664Powershell\u4e2d\u7684\u7ea2\u8272\u8b66\u544a\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u53bb\u6389\uff09\uff1a<\/p>\n

\"hashcat\u4f7f\u7528\u8bf4\u660e\"<\/p>\n

Get-DomainSPNTicket\u51fd\u6570\u5728\u63a5\u6536\u5230Get-DomainUser\u7684\u8f93\u51fa\u7ed3\u679c\u540e\uff0c\u63d0\u53d6SPN\u5b57\u6bb5\u7684\u503c\uff0c\u5e76\u5c06\u7b2c\u4e00\u4e2a\u503c\u8d4b\u7ed9\u53d8\u91cfUserSPN\u3002\u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0echo\u8bed\u53e5\u540e\u6267\u884c\uff0c\u53ef\u4ee5\u770b\u5230\u672c\u6b21\u7ed3\u679c\u9009\u62e9\u4e86SPN\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u9879MSSQLSvc\/s2:SQLEXPRESS\u3002<\/p>\n

\u901a\u8fc7KerberosRequestorSecurityToken\u7c7b\u7684GetRequest()\u51fd\u6570\u53d1\u8d77Kerberos\u8bf7\u6c42\uff0c\u5e76\u901a\u8fc7\u5339\u914d\u8fd4\u56de\u503c\u63d0\u53d6\u7968\u636e\u5185\u5bb9\u3002<\/p>\n

\u5c06\u63d0\u53d6\u7684\u7968\u636e\u5185\u5bb9\u7ec4\u5408\u6210HashCat\u8981\u6c42\u7684\u683c\u5f0f\uff0c\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cfHashFormat\uff0c\u5373\u6700\u7ec8\u53ef\u4ee5\u7528HashCat\u6216John the Ripper\u8fdb\u884c\u7206\u7834\u7684\u503c\u3002<\/p>\n

\u540c\u6837\uff0c\u4e0a\u56fe\u6846\u4e2d\u7684\u53d8\u91cf$Etype\u7684\u503c\u662f23\uff0c\u5b9e\u9645\u4e0a\u662fRC4\u52a0\u5bc6\u7b97\u6cd5\u7684\u4ee3\u53f7\u3002<\/p>\n

Kerberoasting\u7684\u672c\u8d28\u662f\u901a\u8fc7\u7834\u89e3KRBTGS<\/em>REP\u8fc7\u7a0b\u4e2dTGS\u8fd4\u56de\u7ed9Client\u7684\u7968\u636e\u5185\u5bb9\u6765\u83b7\u53d6\u5bc6\u7801\u3002\u5728\u5927\u578b\u57df\u4e2d\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5177\u6709\u4e00\u5b9a\u7684\u5229\u7528\u4ef7\u503c\uff0c\u5e76\u4e14\u662f\u4e00\u79cd\u79bb\u7ebf\u7206\u7834\u65b9\u5f0f\uff0c\u8f83\u4e3a\u9690\u853d\u3002<\/p>\n

0x05 \u5c0f\u7ed3
\n\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e86Kerberos\u7684\u57fa\u672c\u539f\u7406\u548cSPN\u626b\u63cf\u7684\u5185\u5bb9\uff0c\u4ee5\u53caKerberoasting\u653b\u51fb\u6280\u672f\u3002Kerberos\u7684\u539f\u7406\u8f83\u4e3a\u590d\u6742\uff0c\u4f46\u6df1\u5165\u7406\u89e3\u5bf9\u4e8e\u4e86\u89e3\u5176\u4ed6Kerberos\u653b\u51fb\u6280\u672f\u975e\u5e38\u6709\u5e2e\u52a9\u3002\u540c\u65f6\uff0cKerberos\u5728Windows\u7684\u5b9e\u73b0\u4e2d\u4e0e\u5176\u4ed6\u534f\u8bae\u4e5f\u6709\u4e00\u4e9b\u76f8\u5173\u6027\uff0c\u56e0\u6b64\u4e86\u89e3\u5176\u4ed6\u534f\u8bae\u4e5f\u662f\u5fc5\u8981\u7684\u3002\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5c06\u63a2\u8ba8MS14068\u6f0f\u6d1e\u548c\u94f6\u7968\u636e\u91d1\u7968\u636e\u7684\u5229\u7528\u548c\u539f\u7406\u3002\u611f\u8c22\u9605\u8bfb\u3002<\/p>\n

\u5b9e\u9a8c\u5de5\u5177\uff1a
\n\u53c2\u8003\u94fe\u63a5\uff1a<\/p>\n","protected":false},"excerpt":{"rendered":"

Kerberos\u534f\u8bae\u63a2\u7d22\u7cfb\u5217\u4e4b\u626b\u63cf\u4e0e\u7206\u7834\u7bc70x00 \u524d\u8a00Kerberos\u662f\u4e00\u79cd\u7531MIT\uff08\u9ebb\u7701\u7406\u5de5\u5927\u5b66\uff09\u63d0\u51fa\u7684\u4e00\u79cd\u7f51\u7edc\u8eab\u4efd\u9a8c\u8bc1\u534f\u8bae\u3002\u5b83\u65e8\u5728\u901a\u8fc7\u4f7f\u7528\u5bc6\u94a5\u52a0\u5bc6\u6280\u672f\u4e3a\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5f3a\u8eab\u4efd\u9a8c\u8bc1\u3002\u5728\u4e86\u89e3Kerberos\u7684\u8fc7\u7a0b\u4e2d<\/p>\n","protected":false},"author":1,"featured_media":3346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-3345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/3345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=3345"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/3345\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media\/3346"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=3345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=3345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=3345"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=3345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}