{"id":244,"date":"2023-06-05T00:41:16","date_gmt":"2023-06-04T16:41:16","guid":{"rendered":"https:\/\/www.mistiny.com\/?p=244"},"modified":"2023-06-05T00:41:16","modified_gmt":"2023-06-04T16:41:16","slug":"%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e9%81%8f%e5%88%b6%e9%92%88%e5%af%b9%e9%80%9a%e8%be%be-oa-%e7%9a%84%e6%bc%8f%e6%b4%9e%e5%88%a9%e7%94%a8%e6%b4%bb%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.mistiny.com\/en\/2023\/06\/05\/244\/","title":{"rendered":"\u5982\u4f55\u6709\u6548\u904f\u5236\u9488\u5bf9\u901a\u8fbe OA \u7684\u6f0f\u6d1e\u5229\u7528\u6d3b\u52a8"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p>\u5047\u8bbe\u4f60\u662f\u7f51\u7edc\u5b89\u5168\u5efa\u8bbe\u6216\u9632\u5fa1\u8d1f\u8d23\u4eba\uff0c\u76f8\u4fe1\u9488\u5bf9\u901a\u8fbe OA \u7684\u6e17\u900f\u6d4b\u8bd5\u4e00\u5b9a\u662f\u4f7f\u4f60\u63d0\u5fc3\u540a\u80c6\u3001\u591c\u4e0d\u80fd\u5bd0\u4e14\u8f97\u8f6c\u53cd\u4fa7\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n<p>\u5728\u6b64\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u7ed9\u51fa\u53ef\u4ee5\u904f\u5236\u9488\u5bf9\u901a\u8fbe OA \u8fdb\u884c\u6f0f\u6d1e\u5229\u7528\u7684\u7b56\u7565\uff0c\u53ca\u65f6\u53d1\u73b0\u5e76\u964d\u4f4e\u5b83\u53ef\u80fd\u7ed9\u7ec8\u7aef\u5b89\u5168\u5e26\u6765\u7684\u98ce\u9669\u3002<\/p>\n<h2>\u5173\u4e8e\u901a\u8fbe OA<\/h2>\n<p>\u901a\u8fbe OA\uff08Office Anywhere\uff09\uff0c\u662f\u4e00\u6b3e\u9002\u7528\u4e8e\u4f01\u4e8b\u4e1a\u5355\u4f4d\u7684\u901a\u7528\u578b\u7f51\u7edc\u529e\u516c\u8f6f\u4ef6\uff0c\u662f\u5317\u4eac\u901a\u8fbe\u4fe1\u79d1\u79d1\u6280\u6709\u9650\u516c\u53f8\u65d7\u4e0b\u4ea7\u54c1\u4e4b\u4e00\u3002<\/p>\n<p>\u5317\u4eac\u901a\u8fbe\u4fe1\u79d1\u79d1\u6280\u6709\u9650\u516c\u53f8\u96b6\u5c5e\u4e8e\u4e2d\u56fd\u5175\u5668\u5de5\u4e1a\u4fe1\u606f\u4e2d\u5fc3\uff0c\u7b80\u79f0\u901a\u8fbe\u4fe1\u79d1\u3002\u662f\u4e00\u652f\u4ee5\u534f\u540c\u7ba1\u7406\u8f6f\u4ef6\u7814\u53d1\u4e0e\u5b9e\u65bd\u3001\u670d\u52a1\u4e0e\u54a8\u8be2\u4e3a\u4e3b\u8425\u4e1a\u52a1\u7684\u9ad8\u79d1\u6280\u56e2\u961f\uff0c\u662f\u56fd\u5185\u534f\u540c\u7ba1\u7406\u8f6f\u4ef6\u884c\u4e1a\u91cc\u4e00\u5bb6\u592e\u4f01\u5355\u4f4d\uff0c\u4e2d\u56fd\u534f\u540c\u7ba1\u7406\u8f6f\u4ef6\u7684\u9886\u519b\u4f01\u4e1a\u3002<\/p>\n<h2>\u6f0f\u6d1e\u516c\u5f00\u60c5\u51b5<\/h2>\n<p>\u4e3a\u4e86\u66f4\u597d\u4e86\u89e3\u4ea7\u54c1\u7684\u81ea\u8eab\u5b89\u5168\u95ee\u9898\uff0c\u901a\u8fc7\u5bf9\u767e\u5ea6\u641c\u7d22\u4fe1\u606f\u7684\u516c\u5f00\u68c0\u7d22\uff0c\u6211\u4eec\u8c03\u67e5\u4e86\u81ea 2020 \u5e74 1 \u6708\u5230 2023 \u5e74 6 \u6708\uff0c\u6709\u5173\u901a\u8fbe OA \u7684\u5168\u90e8\u6f0f\u6d1e\u516c\u5f00\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>2020 \u5e74 3 \u6708\n<ol>\n<li>\u672a\u6388\u6743\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e<\/li>\n<li>\u672a\u6388\u6743\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2020 \u5e74 4 \u6708\n<ol>\n<li>\u672a\u6388\u6743\u4efb\u610f\u7528\u6237\u4f2a\u9020\u6f0f\u6d1e\uff08CNVD-2020-25050\uff09<\/li>\n<\/ol>\n<\/li>\n<li>2020 \u5e74 8 \u6708\n<ol>\n<li>\u672a\u6388\u6743 SQL \u6ce8\u5165\u6f0f\u6d1e<\/li>\n<li>\u672a\u6388\u6743\u4efb\u610f\u6587\u4ef6\u5220\u9664\u6f0f\u6d1e\uff08CNVD-2021-14827\uff09<\/li>\n<\/ol>\n<\/li>\n<li>2020 \u5e74 9 \u6708\n<ol>\n<li>\u540e\u53f0\u4efb\u610f\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e\uff08CNVD-2020-57815\uff09<\/li>\n<li>\u540e\u53f0 SQL \u6ce8\u5165\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2021 \u5e74 3 \u6708\n<ol>\n<li>\u4efb\u610f\u5728\u7ebf\u7528\u6237\u767b\u5f55\u51ed\u636e\u7a83\u53d6\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2021 \u5e74 7 \u6708\n<ol>\n<li>\u540e\u53f0 SSRF \u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2022 \u5e74 2 \u6708\n<ol>\n<li>\u540e\u53f0 SQL \u6ce8\u5165\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2022 \u5e74 4 \u6708\n<ol>\n<li>\u672a\u6388\u6743\u4efb\u610f\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2022 \u5e74 7 \u6708\n<ol>\n<li>\u672a\u6388\u6743\u4efb\u610f\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e<\/li>\n<li>\u540e\u53f0\u4efb\u610f\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<li>2022 \u5e74 11 \u6708\n<ol>\n<li>\u4efb\u610f\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p><strong>\u4e0a\u8ff0 14 \u4e2a\u6f0f\u6d1e\u5747\u5141\u8bb8\u653b\u51fb\u8005\u5b8c\u5168\u7684\u63a7\u5236\u53d7\u5f71\u54cd\u76ee\u6807\u7cfb\u7edf\uff0c\u5168\u90e8\u4e3a\u9ad8\u5371\u6f0f\u6d1e\uff0c\u5f71\u54cd\u8303\u56f4\u6781\u5927\u3002<\/strong><\/p>\n<h2>\u5229\u7528\u65b9\u5f0f\u5206\u6790<\/h2>\n<p>\u901a\u8fbe OA \u5b89\u88c5\u65f6\uff0c\u4f1a\u4ee5 <strong>SYSTEM<\/strong> \u6743\u9650\u5411\u5bbf\u4e3b\u7cfb\u7edf\u90e8\u7f72\u5e76\u542f\u52a8\u4ee5\u4e0b\u4e3b\u8981\u7ec4\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>MySQL<\/strong>\uff1a\u63d0\u4f9b\u6570\u636e\u5b58\u50a8\u529f\u80fd<\/li>\n<li><strong>Redis<\/strong>\uff1a\u63d0\u4f9b\u7f13\u5b58\u529f\u80fd<\/li>\n<li><strong>Nginx<\/strong>\uff1a\u63d0\u4f9b\u7f51\u7ad9\u529f\u80fd<\/li>\n<li><strong>PHP-CGI<\/strong>\uff1a\u63d0\u4f9b PHP \u4ee3\u7801\u6267\u884c\u529f\u80fd<\/li>\n<\/ul>\n<p>\u4e3b\u8981\u7ec4\u4ef6\u8fd0\u884c\u5173\u7cfb\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/struct-1.png\" alt=\"\" \/><\/p>\n<p>\u7ed3\u5408\u5386\u53f2\u6f0f\u6d1e\u7c7b\u578b\u548c\u7ec4\u4ef6\u8fd0\u884c\u5173\u7cfb\uff0c\u6211\u4eec\u603b\u7ed3\u7684\u653b\u51fb\u8005\u901a\u7528\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5982\u679c\u53ef\u4ee5\u8fdb\u884c\u672a\u6388\u6743\u7684\u6587\u4ef6\u4e0a\u4f20\uff0c\u4e14\u4e0a\u4f20\u540e\u7684\u6587\u4ef6\u6269\u5c55\u540d\u53ef\u63a7\uff0c\u5219\u76f4\u63a5\u90e8\u7f72 PHP WebShell\u3002<\/li>\n<li>\u5982\u679c\u53ef\u4ee5\u8fdb\u884c\u672a\u6388\u6743\u7684\u6587\u4ef6\u4e0a\u4f20\uff0c\u4f46\u540e\u7f00\u540d\u88ab\u9650\u5236\u4e14\u65e0\u6cd5\u7ed5\u8fc7\uff0c\u5219\u4e0a\u4f20\u5e26\u6709\u540e\u95e8 PHP \u4ee3\u7801\u7684\u56fe\u7247\u6216\u5176\u4ed6\u6587\u4ef6\u3002<\/li>\n<li>\u5982\u679c\u53ef\u4ee5\u8fdb\u884c\u672a\u6388\u6743\u7684\u6587\u4ef6\u5305\u542b\uff08include\uff09\uff0c\u5219\u5305\u542b\u5e26\u6709\u540e\u95e8 PHP \u4ee3\u7801\u7684\u56fe\u7247\u6216\u5176\u4ed6\u6587\u4ef6\uff08\u5982\u65e5\u5fd7\u6587\u4ef6\uff09\uff0c\u7ee7\u800c\u90e8\u7f72 PHP WebShell\u3002<\/li>\n<li>\u5982\u679c\u53ef\u4ee5\u8fdb\u884c\u672a\u6388\u6743\u7684 SQL \u6ce8\u5165\u6f0f\u6d1e\u5229\u7528\uff0c\u5219\u5229\u7528 MySQL \u5728\u7f51\u7ad9\u76ee\u5f55\u4e2d\u90e8\u7f72 PHP WebShell \u6216\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u3002<\/li>\n<li>\u5982\u679c\u53ef\u4ee5\u5f97\u5230\u8ba4\u8bc1\u540e\u76f8\u5173 API \u7684\u8c03\u7528\u6743\u9650\uff08\u767b\u9646\u540e\uff09\uff0c\u5219\u5229\u7528\u767b\u9646\u540e\u76f8\u5173\u6f0f\u6d1e\u3002<\/li>\n<li>\u5982\u679c\u5b58\u5728\u540e\u53f0 SQL \u6f0f\u6d1e\uff0c\u5229\u7528\u65b9\u5f0f\u53c2\u8003 4\u3002<\/li>\n<li>\u5982\u679c\u5b58\u5728\u540e\u53f0\u6587\u4ef6\u4e0a\u4f20\u7c7b\u6f0f\u6d1e\uff0c\u5229\u7528\u65b9\u5f0f\u53c2\u8003 1\u30012\u30013\u3002<\/li>\n<li>\u5982\u679c\u540e\u53f0\u5b58\u5728 SSRF \u6f0f\u6d1e\uff0c\u5219\u5229\u7528 redis \u5728\u7f51\u7ad9\u76ee\u5f55\u4e2d\u90e8\u7f72 PHP WebShell\u3002<\/li>\n<\/ol>\n<p>\u7531\u4e8e\u901a\u8fbe OA \u7684\u4e3b\u8981\u7ec4\u4ef6\u9ed8\u8ba4\u4ee5 SYSTEM \u6743\u9650\u8fd0\u884c\uff0c\u6240\u4ee5\uff0c\u653b\u51fb\u8005\u5728\u83b7\u5f97 PHP \u4efb\u610f\u4ee3\u7801\u6267\u884c\u7684\u65b9\u5f0f\uff08\u5982 WebShell\uff09\u540e\uff0c\u76ee\u6807\u7cfb\u7edf\u5c31\u5df2\u7ecf\u5b8c\u5168\u6ca6\u9677\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u4ee5 SYSTEM \u6743\u9650\u8fdb\u884c\u4efb\u4f55\u540e\u7eed\u64cd\u4f5c\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u7cfb\u7edf\u547d\u4ee4\u6267\u884c\u3001\u53ef\u7591\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e0a\u4f20\/\u8fd0\u884c\u3001\u7a83\u53d6\u7cfb\u7edf\u654f\u611f\u51ed\u636e\u3001\u90e8\u7f72\u52d2\u7d22\u75c5\u6bd2\u3001\u642d\u5efa\u673a\u5bc6\u7f51\u7edc\u96a7\u9053\u548c\u4efb\u4f55\u9488\u5bf9\u5185\u90e8\u7f51\u7edc\u7684\u6076\u610f\u6d3b\u52a8\u3002<\/p>\n<p>\u4e0d\u8981\u8fc7\u4e8e\u62c5\u5fc3\uff0c\u867d\u7136\u8fd9\u4e9b\u6f0f\u6d1e\u5229\u7528\u548c\u540e\u7eed\u64cd\u4f5c\u770b\u8d77\u6765\u5f88\u53ef\u6015\uff0c\u4f46\u5b83\u4eec\u4ea7\u751f\u7684\u7cfb\u7edf\u884c\u4e3a\u7279\u5f81\u975e\u5e38\u660e\u663e\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u6240\u6709\u76f8\u5173\u884c\u4e3a\u62bd\u8c61\u6210\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<ol>\n<li>\u5199\u5165 PHP \u811a\u672c\u6587\u4ef6<\/li>\n<li>\u5199\u5165\u53ef\u6267\u884c\u6587\u4ef6<\/li>\n<li>\u6267\u884c\u4e86\u5e38\u7528\u9ed1\u5ba2\u547d\u4ee4<\/li>\n<li>\u4ea7\u751f\u4e86\u4e0d\u5bfb\u5e38\u7684\u7f51\u7edc\u8fde\u63a5<\/li>\n<\/ol>\n<p>\u76f8\u5173\u8fdb\u7a0b\u5305\u62ec\uff1aphp-cgi.exe\u3001mysqld.exe \u548c redis-server64.exe\u3002<\/p>\n<p>\u8fd9\u4e9b\u884c\u4e3a\u770b\u8d77\u6765\u4f3c\u4e4e\u4e0e\u901a\u8fbe OA \u4ea7\u54c1\u6ca1\u6709\u4efb\u4f55\u5173\u7cfb\uff0c\u56e0\u4e3a\u5b83\u4eec\u5b8c\u5168\u662f\u901a\u7528\u7684\u6e17\u900f\u6d4b\u8bd5\u884c\u4e3a\u3002<\/p>\n<h2>\u68c0\u6d4b\u4e0e\u9632\u5fa1<\/h2>\n<p>\u901a\u8fc7\u590d\u6742\u4e4b\u773c EDR \u63d0\u4f9b\u7684 MEQL \u8bed\u6cd5\uff0c\u6839\u636e\u4e0a\u8ff0\u884c\u4e3a\uff0c\u6211\u4eec\u7f16\u5199\u4e86\u4ee5\u4e0b\u793a\u4f8b\u7b56\u7565\uff1a<\/p>\n<pre><code class=\"language-meql\">(EventType IN (&quot;File Data Write&quot;, &quot;File Data Modification&quot;) AND\nFileExt IN (&quot;php&quot;, &quot;php5&quot;, &quot;phtml&quot;)\nOR\nEventType = &quot;Network Establish&quot; AND NetworkFlow = &quot;OUT&quot; AND\nNetworkRemotePort IN (&quot;445&quot;, &quot;135&quot;, &quot;139&quot;, &quot;3389&quot;, &quot;22&quot;, &quot;88&quot;)) AND\nProcessName IN (&quot;php-cgi.exe&quot;, &quot;mysqld.exe&quot;, &quot;redis-server64.exe&quot;)\nOR\nEventType = &quot;Process Creation&quot; AND\n(ProcessName IN (&quot;cmd.exe&quot;, &quot;powershell.exe&quot;, &quot;pwsh.exe&quot;) OR\nProcessName IN (&quot;whoami.exe&quot;, &quot;systeminfo.exe&quot;, &quot;ipconfig.exe&quot;,\n&quot;netstat.exe&quot;, &quot;certutil.exe&quot;)) AND\nProcessParentName IN (&quot;php-cgi.exe&quot;, &quot;mysqld.exe&quot;, &quot;redis-server64.exe&quot;)<\/code><\/pre>\n<p>\u4e3a\u4e86\u8bc1\u5b9e\u7b56\u7565\u7684\u6709\u6548\u6027\uff0c\u6211\u4eec\u5728\u4e00\u53f0 Windows Server 2019 \u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u4e86\u901a\u8fbe OA V11.2 \u4e0e\u590d\u6742\u4e4b\u773c EDR \u5ba2\u6237\u7aef\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA.png\" alt=\"\" \/><\/p>\n<p>\u90e8\u7f72\u5b8c\u6210\u540e\uff0c\u4f7f\u7528\u4e0a\u8ff0\u63d0\u5230\u7684 2020 \u5e74 4 \u6708\u516c\u5f00\u7684\u6f0f\u6d1e\uff0c\u6a21\u62df\u653b\u51fb\u8005\u5bf9\u8fd9\u4e2a\u670d\u52a1\u5668\u7cfb\u7edf\u8fdb\u884c\u6e17\u900f\u6d4b\u8bd5\u3002<\/p>\n<ol>\n<li>\n<p>\u4f7f\u7528\u516c\u5f00\u7684\u5229\u7528\u7a0b\u5e8f\u4e00\u952e\u4e0a\u4f20 PHP WebShell<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA-exploit.png\" alt=\"\" \/><\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7 PHP WebShell \u6267\u884c\u7cfb\u7edf\u547d\u4ee4\uff0c\u5982 ipconfig \u548c whoami \u7b49\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA-rce.png\" alt=\"\" \/><\/p>\n<\/li>\n<\/ol>\n<p>\u4ece\u6f0f\u6d1e\u5229\u7528\u7684\u7ed3\u679c\u6765\u770b\uff0c\u540d\u4e3a test.php \u7684 PHP WebShell \u88ab\u6210\u529f\u90e8\u7f72\uff0c\u4f46\u6ca1\u6709\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\uff0c\u8868\u660e\u7cfb\u7edf\u547d\u4ee4\u5e76\u6ca1\u6709\u6210\u529f\u6267\u884c\uff0c\u8fd9\u4f3c\u4e4e\u5bf9\u6e17\u900f\u6d4b\u8bd5\u4eba\u5458\u6765\u8bf4\u4e0d\u662f\u4e00\u4e2a\u597d\u8ff9\u8c61\u3002<\/p>\n<p>\u56de\u5230\u590d\u6742\u4e4b\u773c EDR \u540e\u53f0\uff0c\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230\u76ee\u6807\u7cfb\u7edf\u4ea7\u751f\u4e86\u8b66\u62a5\uff0c\u5e76\u5411\u5b89\u5168\u4eba\u5458\u53d1\u9001\u4e86\u90ae\u4ef6\u63d0\u9192\u3002<\/p>\n<ul>\n<li>\n<p>\u5b89\u5168\u8b66\u62a5\u90ae\u4ef6<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA-Warning-email-1.png\" alt=\"\" \/><\/p>\n<\/li>\n<li>\n<p>\u68c0\u6d4b\u4eea\u8868\u76d8<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA-Warning-1.png\" alt=\"\" \/><\/p>\n<\/li>\n<li>\n<p>\u5a01\u80c1\u7ec6\u8282<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA-Warning-detail.png\" alt=\"\" \/><\/p>\n<\/li>\n<li>\n<p>\u4e8b\u4ef6\u730e\u624b<br \/>\n\u901a\u8fc7\u524d\u9762\u5236\u5b9a\u7684\u7b56\u7565\uff0c\u6211\u4eec\u8fd8\u53d1\u73b0\u4e86 PHP WebShell \u90e8\u7f72\u7684\u5173\u952e\u6570\u5b57\u8bc1\u636e\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.mistiny.com\/wp-content\/uploads\/2023\/06\/TongdaOA-Warning-hunter.png\" alt=\"\" \/><\/p>\n<\/li>\n<\/ul>\n<p>\u6211\u4eec\u5e76\u6ca1\u6709\u9488\u5bf9\u901a\u8fbe OA \u8fdb\u884c\u7279\u5b9a\u7684\u7b56\u7565\u6307\u5b9a\uff0c\u800c\u8fd9\u573a\u6e38\u620f\u5374\u5df2\u7ecf\u7ed3\u675f\u4e86\u3002<\/p>\n<p>OA 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