{"id":2923,"date":"2024-03-23T02:13:47","date_gmt":"2024-03-22T18:13:47","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=2923"},"modified":"2024-03-23T02:13:47","modified_gmt":"2024-03-22T18:13:47","slug":"%e5%9f%9f%e6%b8%97%e9%80%8fkerberos%e8%ae%a4%e8%af%81%e5%ad%a6%e4%b9%a0%e4%b8%8eker6791","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/23\/%e5%9f%9f%e6%b8%97%e9%80%8fkerberos%e8%ae%a4%e8%af%81%e5%ad%a6%e4%b9%a0%e4%b8%8eker6791\/","title":{"rendered":"\u57df\u6e17\u900f\uff1aKerberos\u8ba4\u8bc1\u5b66\u4e60\u4e0eKerberoasting\u653b\u51fb\u8def\u5f84\u7684\u6f14\u793a"},"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

impacket-getTGT scrm.local\/ksimpson:ksimpson\n<\/code><\/pre>\n
KDC\uff08Key Distribution Center\uff09\u662fKerberos\u7684\u4e3b\u8981\u670d\u52a1\uff0c\u5b89\u88c5\u5728\u57df\u63a7\u5236\u5668\uff08DC\uff09\u4e0a\uff0c\u8d1f\u8d23\u53d1\u884c\u7968\u636e\u3002\u5b83\u5305\u542bAS\u8ba4\u8bc1\u670d\u52a1\u548cTGS\u670d\u52a1\uff0c\u7528\u4e8eKerberos\u8ba4\u8bc1\u7684\u7b2c\u4e00\u6b65\u548c\u7b2c\u4e8c\u6b65\u3002KDC\u4e5f\u88ab\u79f0\u4e3a\u5bc6\u94a5\u5206\u53d1\u4e2d\u5fc3\u3002Kerberos\u8ba4\u8bc1\u7684\u7b2c\u4e00\u6b65\u89e3\u51b3\u7684\u95ee\u9898\u662f\u9a8c\u8bc1\u7528\u6237\u8eab\u4efd\u3002\u7528\u6237\u5c06\u8d26\u6237\u548c\u5bc6\u7801\u53d1\u9001\u81f3KDC\u4e0a\u7684AS\uff0cAS\u786e\u8ba4\u65e0\u8bef\u540e\u8fd4\u56de\u4e00\u5f20TGT\uff08Ticket Granting Ticket\uff09\u7968\u636e\uff0c\u76f8\u5f53\u4e8e\u8eab\u4efd\u8bc1\uff0c\u786e\u8ba4\u4e86\u7528\u6237\u7684\u8eab\u4efd\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u8fd9\u5f20\u7968\u636e\u53bb\u7533\u8bf7\u8bbf\u95ee\u5176\u4ed6\u670d\u52a1\u3002TGT\u7ffb\u8bd1\u4e3a\u4e2d\u6587\u540e\u662f\u201c\u7968\u636e\u6388\u4e88\u7968\u636e\u201d\uff0c\u5728\u7b2c\u4e8c\u6b65\u7684\u670d\u52a1\u7533\u8bf7\u4e2d\u8d77\u5230\u91cd\u8981\u4f5c\u7528\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4f7f\u7528\u7f51\u7edc\u5305\u5206\u6790\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u534f\u8bae\u7684\u8fd0\u4f5c\u8fc7\u7a0b\u3002\u4e3a\u4e86\u751f\u6210\u5305\uff0c\u53ef\u4ee5\u4f7f\u7528impacket\u5305\u4e2d\u7684getTGT.py\u5de5\u5177\uff0c\u8be5\u5de5\u5177\u5185\u7f6e\u5728kali\u4e2d\u3002<\/p>\n
kerbrute userenum -d scrm.local --dc dc1.scrm.local A-ZSurnames.txt\nkerbrute passwordspray -d scrm.local --dc dc1.scrm.local users.txt ksimpson\n<\/code><\/pre>\n
\u547d\u4ee4\u7684\u5185\u5bb9\u662f\u4f7f\u7528Ksimpson\u4f5c\u4e3a\u8d26\u6237\uff0cKsimpson\u4f5c\u4e3a\u5bc6\u7801\uff0c\u5411scrm.local\u7533\u8bf7TGT\u7968\u636e\u3002scrm.local\u662f\u9776\u673a\u7684\u57df\u540d\uff0c\u653b\u51fb\u673a\u80fd\u591f\u8bc6\u522b\u57df\u540d\u5e76\u8fde\u63a5\u5230\u9776\u673a\u662f\u56e0\u4e3a\u5728\/etc\/hosts\u6587\u4ef6\u4e2d\u63d0\u524d\u5199\u5165\u4e86\u9776\u673a\u7684IP\u5730\u5740\u3002Ksimpson:ksimpson\u662f\u8d26\u6237\u548c\u5bc6\u7801\uff0c\u4f7f\u7528\u5192\u53f7\u5206\u9694\u3002\u8fd9\u5bf9\u8d26\u6237\u548c\u5bc6\u7801\u7684\u83b7\u53d6\u5b9e\u9645\u4e0a\u5229\u7528\u4e86Kerberos\u7684\u4e00\u4e2a\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5c06\u5728\u540e\u7eed\u7684\u5305\u5206\u6790\u4e2d\u8be6\u7ec6\u8bf4\u660e\u3002\u83b7\u53d6\u7684ksimpson.ccache\u6587\u4ef6\u5305\u542b\u4e86TGT\u548c\u4e00\u4e2a\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u751f\u6210\u8fd9\u4e9b\u5305\u7684\u8fc7\u7a0b\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\u603b\u5171\u751f\u6210\u4e86\u56db\u4e2a\u5305\u3002\u7b2c\u4e00\u4e2a\u5305\u662fAS-REQ\uff0c\u4f46\u8fd4\u56de\u4e86\u9519\u8bef\u4fe1\u606f\uff0c\u5bfc\u81f4\u7b2c\u4e8c\u6b21\u53d1\u9001AS-REQ\u624d\u6210\u529f\u8fd4\u56deAS-REP\u3002\u90a3\u4e48\u8fd9\u4e24\u4e2a\u5305\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f\u7b2c\u4e00\u4e2aAS-REQ\u5305\u6ca1\u6709\u5305\u542b\u65f6\u95f4\u6233\u4fe1\u606f\uff0c\u56e0\u6b64AS\u670d\u52a1\u5668\u4e0d\u4e88\u901a\u8fc7\u8ba4\u8bc1\uff0c\u5e76\u544a\u77e5\u653b\u51fb\u673a\u9700\u8981\u6ee1\u8db3\u9884\u8ba4\u8bc1\u8981\u6c42\uff0c\u4e8e\u662f\u653b\u51fb\u673a\u53d1\u9001\u4e86\u7b2c\u4e8c\u4e2a\u5305AS-REQ\uff0c\u5e76\u5305\u542b\u4e86\u65f6\u95f4\u6233\u4fe1\u606f\u7528\u4e8e\u9884\u8ba4\u8bc1\u3002\u56e0\u6b64\uff0c\u5728AS-REQ\u9636\u6bb5\uff0c\u6838\u5fc3\u4fe1\u606f\u662f\u52a0\u5bc6\u540e\u7684\u65f6\u95f4\u6233\u3002\u53ea\u8981\u65f6\u95f4\u6233\u4fe1\u606f\u6ee1\u8db3\u8981\u6c42\uff0c\u5c31\u80fd\u901a\u8fc7\u8ba4\u8bc1\u3002\u65f6\u95f4\u6233\u7684\u503c\u662f\u5982\u4f55\u52a0\u5bc6\u7684\u5462\uff1f\u6211\u4eec\u5df2\u7ecf\u80fd\u591f\u770b\u5230\u52a0\u5bc6\u7c7b\u578b\u548c\u5bc6\u94a5\uff0c\u5b9e\u9645\u4e0a\u503c\u7684\u751f\u6210\u8fd8\u9700\u8981\u4e00\u4e2a\u989d\u5916\u7684\u8f93\u5165\uff1a\u7528\u6237\u5bc6\u7801\u7684NTLMHASH\u3002NTLM<\/em>HASH\u7b97\u6cd5\u5df2\u7ecf\u516c\u5f00\uff0cgetTGT.py\u4f1a\u81ea\u52a8\u5c06\u6211\u4eec\u8f93\u5165\u7684\u5bc6\u7801\u8f6c\u6362\u4e3aNTLM_HASH\u683c\u5f0f\uff0c\u5e76\u4f7f\u7528\u5b83\u548c\u5bc6\u94a5\u5bf9\u5f53\u524d\u65f6\u95f4\u6233\u8fdb\u884c\u52a0\u5bc6\u3002\u5bf9\u4e8eAS\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u7531\u4e8eAS\u670d\u52a1\u8fd0\u884c\u5728\u57df\u63a7\u4e0a\uff0c\u800c\u57df\u63a7\u4fdd\u5b58\u4e86\u6240\u6709\u7528\u6237\u7684NTLM-HASH\u503c\uff0c\u56e0\u6b64\u53ea\u8981AS\u670d\u52a1\u5668\u80fd\u591f\u6210\u529f\u4f7f\u7528\u8be5\u7528\u6237\u7684NTLM-HASH\u503c\u89e3\u5bc6\uff0c\u5e76\u4e14\u89e3\u5bc6\u51fa\u7684\u65f6\u95f4\u6233\u5728\u5408\u7406\u8303\u56f4\u5185\uff0c\u5c31\u4f1a\u901a\u8fc7\u9884\u8ba4\u8bc1\uff0c\u5411\u8be5\u7528\u6237\u53d1\u653eTGT\u3002AS-REP\u5305\u7684\u5185\u5bb9\u5982\u4e0b\uff1a\u8fd4\u56de\u5305\u5305\u542b\u4e24\u4e2a\u4e3b\u8981\u4fe1\u606f\uff1aticket\u548cenc-part\u3002ticket\u5305\u542b\u4e86TGT\uff0c\u800cTGT\u5c31\u662fticket\u5206\u7c7b\u4e0b\u7684enc-part\u3002\u6b64\u90e8\u5206enc-part\u5185\u5bb9\u662f\u7531\u57df\u63a7\u7684NTLM-HASH\u52a0\u5bc6\u7684\uff0c\u53ea\u6709\u57df\u63a7\u4e0a\u7684KDC\u80fd\u591f\u89e3\u5bc6\uff0c\u7528\u4e8e\u4e0b\u4e00\u6b65\u7684\u51ed\u8bc1\u3002TGT\u4e2d\u5305\u542b\u4e86\u4e00\u4e2a\u5173\u952e\u4fe1\u606f\uff1a\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u3002\u72ec\u7acb\u51fa\u6765\u7684\u53e6\u4e00\u4e2aenc-part\u5305\u542b\u7528\u6237hash\u52a0\u5bc6\u540e\u7684\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u3002\u7528\u6237\u89e3\u5bc6\u8be5\u90e8\u5206\u540e\u53ef\u4ee5\u83b7\u5f97\u539f\u59cb\u7684\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u3002\u4e3a\u4ec0\u4e48\u9700\u8981\u4e00\u4e2a\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\uff0c\u4e14\u7528\u6237\u548cKDC\u90fd\u8981\u77e5\u6653\u5462\uff1f\u4e00\u4e2a\u5355\u7eaf\u7684TGT\u7968\u636e\u80fd\u5426\u5728\u4e0b\u4e00\u6b65\u4e2d\u9a8c\u8bc1\u7528\u6237\u7684\u8eab\u4efd\uff1f\u5b9e\u9645\u4e0a\uff0c\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u673a\u5236\u5c31\u662f\u4e3a\u4e86\u9632\u6b62\u4e2d\u95f4\u4eba\u7a83\u53d6\u4e86AS-REP\u5305\u62ff\u5230\u4e86TGT\uff0c\u4ece\u800c\u5728\u4e0b\u4e00\u6b65\u4e2d\u9a97\u53d6\u670d\u52a1\u5668\u7684\u4fe1\u4efb\u3002\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u5c06\u5728\u4e0b\u4e00\u6b65\u4e0eTGT\u4e00\u8d77\u4f7f\u7528\u3002\u56e0\u4e3a\u53ea\u6709\u7528\u6237\u80fd\u591f\u89e3\u5bc6\u5e76\u83b7\u5f97\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\uff0c\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u4e2d\u95f4\u4eba\u5192\u5145\u7528\u6237\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6709\u4ec0\u4e48\u6f0f\u6d1e\u5462\uff1f\u5b9e\u9645\u4e0a\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6240\u4ecb\u7ecd\u7684\u5185\u5bb9\u6ca1\u6709\u6f0f\u6d1e\u3002\u4f46\u662f\uff0c\u5982\u679c\u6211\u4f7f\u7528\u9519\u8bef\u7684\u7528\u6237\u540d\u548c\u9519\u8bef\u7684\u5bc6\u7801\uff0c\u6216\u8005\u4f7f\u7528\u6b63\u786e\u7684\u7528\u6237\u540d\u548c\u9519\u8bef\u7684\u5bc6\u7801\u53d1\u9001getTGT\u8bf7\u6c42\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u5462\uff1f\u5f53\u4f7f\u7528\u9519\u8bef\u7684\u7528\u6237\u540d\u65f6\uff0c\u8fd4\u56de\u5305\u4f1a\u663e\u793aUNKNOWN\uff0c\u8868\u793a\u65e0\u6cd5\u8bc6\u522b\u7528\u6237\u3002\u5f53\u4f7f\u7528\u6b63\u786e\u7684\u7528\u6237\u540d\u548c\u9519\u8bef\u7684\u5bc6\u7801\u65f6\uff0c\u4ecd\u7136\u4f1a\u751f\u6210\u56db\u4e2a\u6570\u636e\u5305\uff0c\u4f46\u7b2c\u4e00\u4e2a\u56de\u5305\u4e0e\u7528\u6237\u540d\u5bc6\u7801\u6b63\u786e\u65f6\u7684\u56de\u5305\u76f8\u540c\uff0c\u90fd\u9700\u8981\u8fdb\u884c\u9884\u8ba4\u8bc1\uff0c\u800c\u7b2c\u4e8c\u4e2a\u56de\u5305\u663e\u793a\u9884\u8ba4\u8bc1\u5931\u8d25\u3002<\/p>\n
export KRB5CCNAME=ksimpson.ccache  \npython3 GetUserSPNs.py scrm.local\/ksimpson -k -no-pass -dc-host dc1.scrm.local\n<\/code><\/pre>\n
\u7b2c\u4e8c\u6761\u6307\u4ee4\u662f\u5bc6\u7801\u55b7\u5c04\uff0c\u6307\u5b9a\u7528\u6237\u5bc6\u7801\u8fdb\u884c\u7206\u7834\u7528\u6237\u540d\u3002\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u6307\u5b9a\u7528\u6237\u540d\u8fdb\u884c\u5bc6\u7801\u7206\u7834\u5462\uff1f\u56e0\u4e3aKerberos\u5185\u7f6e\u4e86\u5b89\u5168\u673a\u5236\uff0c\u5931\u8d25\u6b21\u6570\u8fc7\u591a\u4f1a\u9501\u5b9a\u8d26\u6237\u3002\u7531\u4e8e\u8be5\u9776\u673a\u5728\u5176\u4ed6\u5730\u65b9\u63d0\u793a\u4e86\u7528\u6237\u540d\u548c\u5bc6\u7801\u76f8\u540c\uff0c\u6240\u4ee5\u53ef\u4ee5\u6839\u636e\u7206\u7834\u7684\u7528\u6237\u540d\u4f5c\u4e3a\u5bc6\u7801\u8fdb\u884c\u7206\u7834\u3002<\/p>\n
python3 GetUserSPNs.py -request scrm.local\/ksimpson -k -no-pass -dc-host dc1.scrm.local\n<\/code><\/pre>\n
\u7b2c\u4e00\u6761\u6307\u4ee4\u5148\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3002ksimpson.ccache\u6587\u4ef6\u662f\u4e0a\u4e00\u6b65\u4e2d\u6267\u884cgetTGT\u547d\u4ee4\u751f\u6210\u7684\uff0c\u5305\u542b\u4e86\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u548cTGT\u3002\u524d\u9762\u5df2\u7ecf\u89e3\u91ca\u8fc7\uff0cTGT\u662f\u7531\u57df\u63a7NTLM-HASH\u52a0\u5bc6\u7684\uff0c\u5305\u542b\u4e86\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u548c\u4e00\u4e9b\u7528\u6237\u548c\u57df\u7684\u4fe1\u606f\u3002\u7b2c\u4e8c\u6761\u6307\u4ee4\u662f\u4f7f\u7528TGT\u548c\u767b\u5f55\u4f1a\u8bdd\u5bc6\u94a5\u67e5\u8be2SPN\u3002\u4e0d\u4f7f\u7528kali\u5185\u7f6e\u7684impacket-getUserSPNs\u7684\u539f\u56e0\u662f\uff0c\u5185\u7f6e\u7248\u672c\u4e0d\u652f\u6301-dc-host\u53c2\u6570\uff0c\u53ea\u652f\u6301-dc-ip\u53c2\u6570\u3002\u5728\u8fd9\u4e2a\u73af\u5883\u4e2d\u4f7f\u7528-dc-ip\u4f1a\u51fa\u73b0\u95ee\u9898\u3002\u800c\u4eceGitHub\u4e0a\u4e0b\u8f7d\u7684\u6700\u65b0\u7248\u672c\u5df2\u7ecf\u652f\u6301\u8be5\u53c2\u6570\uff0c\u6240\u4ee5\u6211\u4e0b\u8f7d\u4e86\u6700\u65b0\u7684\u5305\uff0c\u5e76\u4f7f\u7528\u5176\u4e2d\u7684Python\u6587\u4ef6\u3002<\/p>\n
\"hashcat\u9519\u8bef\u7c7b\u578b\"<\/p>\n
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