{"id":3237,"date":"2026-10-23T16:45:56","date_gmt":"2026-10-23T08:45:56","guid":{"rendered":"https:\/\/www.ygcloud.com\/knowledge\/?p=3237"},"modified":"2026-10-23T16:45:56","modified_gmt":"2026-10-23T08:45:56","slug":"server-intrusion-response-guide","status":"publish","type":"post","link":"https:\/\/www.ygcloud.com\/knowledge\/3237\/","title":{"rendered":"\u670d\u52a1\u5668\u88ab\u5165\u4fb5\u600e\u4e48\u529e\uff1f\u6316\u77ff\u3001webshell \u4e0e\u540e\u95e8\u7684\u6392\u67e5\u987a\u5e8f"},"content":{"rendered":"<p>\u5148\u8bf4\u7ed3\u8bba\uff1a\u53d1\u73b0\u670d\u52a1\u5668\u88ab\u5165\u4fb5\uff0c\u7b2c\u4e00\u4ef6\u4e8b\u4e0d\u662f\u5220\u6587\u4ef6\uff0c\u4e5f\u4e0d\u662f\u6025\u7740\u91cd\u88c5\u3002\u5148\u9694\u79bb\u3001\u7559\u8bc1\u636e\u3001\u627e\u5165\u53e3\uff0c\u518d\u51b3\u5b9a\u6e05\u7406\u8fd8\u662f\u91cd\u88c5\u3002\u987a\u5e8f\u53cd\u4e86\uff0c\u4f60\u4f1a\u4e22\u6389\u5224\u65ad\u4f9d\u636e\uff0c\u91cd\u88c5\u540e\u7167\u6837\u88ab\u540c\u4e00\u5165\u53e3\u6253\u8fdb\u6765\u3002<\/p>\n<p>\u4e0b\u9762\u8fd9\u5957\u987a\u5e8f\u9002\u7528\u4e8e\u5e38\u89c1\u7684\u6316\u77ff\u3001webshell\u3001SSH \u7206\u7834\u548c\u9762\u677f\u5165\u4fb5\u3002\u547d\u4ee4\u4ee5\u53ea\u8bfb\u68c0\u67e5\u4e3a\u4e3b\uff0c\u6267\u884c\u524d\u5148\u7ed9\u673a\u5668\u6253\u5feb\u7167\uff1b\u5982\u679c\u4e1a\u52a1\u8fd8\u5728\u8dd1\uff0c\u5148\u8bc4\u4f30\u9694\u79bb\u5bf9\u7528\u6237\u7684\u5f71\u54cd\u3002<\/p>\n<h2 id=\"\u5148\u786e\u8ba4\u662f\u4e0d\u662f\u771f\u7684\u88ab\u5165\u4fb5\">\u5148\u786e\u8ba4\u662f\u4e0d\u662f\u771f\u7684\u88ab\u5165\u4fb5<\/h2>\n<p>\u4e0b\u9762\u8fd9\u4e9b\u4fe1\u53f7\uff0c\u5355\u72ec\u51fa\u73b0\u4e0d\u4e00\u5b9a\u6709\u4e8b\uff0c\u540c\u65f6\u51fa\u73b0\u4e24\u4e09\u4e2a\u5c31\u8981\u9ad8\u5ea6\u8b66\u60d5\uff1a<\/p>\n<ul>\n<li>CPU \u6216\u5185\u5b58\u957f\u671f\u6253\u6ee1\uff0c\u4f46\u4e1a\u52a1\u91cf\u6ca1\u53d8\uff0c\u8d1f\u8f7d\u91cc\u6709\u4e00\u4e2a\u964c\u751f\u8fdb\u7a0b<\/li>\n<li>\u51fa\u7ad9\u8fde\u63a5\u5f02\u5e38\uff1a\u8fde\u7740\u964c\u751f IP\u3001\u77ff\u6c60\u7aef\u53e3\u3001\u5927\u91cf 22\/445\/3389 \u626b\u63cf<\/li>\n<li>\u51fa\u73b0\u964c\u751f\u8d26\u53f7\u3001\u964c\u751f SSH \u516c\u94a5\u3001\u6ca1\u5199\u8fc7\u7684\u5b9a\u65f6\u4efb\u52a1<\/li>\n<li>\u9996\u9875\u88ab\u6539\u3001\u88ab\u8df3\u8f6c\u3001\u51fa\u73b0\u5927\u91cf SEO \u5783\u573e\u9875\uff0c\u6216\u8005\u76ee\u5f55\u91cc\u591a\u4e86\u6ca1\u89c1\u8fc7\u7684 PHP \u6587\u4ef6<\/li>\n<li>SSH \u767b\u5f55\u5931\u8d25\u66b4\u589e\uff0c\u6216\u8005\u6709\u964c\u751f IP \u767b\u5f55\u6210\u529f<\/li>\n<li>\u4e91\u5382\u5546\u3001CDN \u6216\u76d1\u7ba1\u53d1\u6765\u544a\u8b66\uff0c\u8bf4\u4f60\u7684 IP \u5728\u5bf9\u5916\u653b\u51fb\u6216\u53d1\u5783\u573e\u90ae\u4ef6<\/li>\n<\/ul>\n<p>\u5148\u522b\u6025\u7740\u4e0b\u7ed3\u8bba\u3002\u5907\u4efd\u4efb\u52a1\u3001\u76d1\u63a7 agent\u3001CI \u90e8\u7f72\u3001\u5b9a\u65f6\u722c\u866b\u4e5f\u4f1a\u5236\u9020\u9ad8 CPU \u548c\u964c\u751f\u8fde\u63a5\u3002\u5224\u65ad\u7684\u5173\u952e\u662f\u201c\u8fd9\u4e2a\u4e1c\u897f\u662f\u4e0d\u662f\u6211\u88c5\u7684\u3001\u6709\u6ca1\u6709\u8bb0\u5f55\u3001\u80fd\u4e0d\u80fd\u89e3\u91ca\u201d\u3002<\/p>\n<h2 id=\"\u7b2c\u4e00\u6b65\u9694\u79bb\u4f46\u4e0d\u8981\u5173\u673a\">\u7b2c\u4e00\u6b65\uff1a\u9694\u79bb\uff0c\u4f46\u4e0d\u8981\u5173\u673a<\/h2>\n<p>\u786e\u8ba4\u5f02\u5e38\u540e\uff0c\u5148\u63a7\u5236\u5f71\u54cd\u9762\uff0c\u540c\u65f6\u4fdd\u4f4f\u73b0\u573a\uff1a<\/p>\n<ol>\n<li><strong>\u6253\u5feb\u7167<\/strong>\uff1a\u5728\u4e91\u63a7\u5236\u53f0\u7ed9\u7cfb\u7edf\u76d8\u548c\u6570\u636e\u76d8\u5404\u6253\u4e00\u4e2a\u5feb\u7167\uff0c\u547d\u540d\u5e26\u65f6\u95f4\u548c\u201c\u7591\u4f3c\u5165\u4fb5\u201d\u3002<\/li>\n<li><strong>\u65ad\u516c\u7f51\uff0c\u7559\u7ba1\u7406\u901a\u9053<\/strong>\uff1a\u5b89\u5168\u7ec4\u53ea\u653e\u884c\u4f60\u7684\u7ba1\u7406 IP\uff0c\u6216\u8005\u628a\u673a\u5668\u5207\u5230\u9694\u79bb\u7f51\u7edc\u3002\u4e0d\u8981\u76f4\u63a5\u5173\u673a\uff0c\u5185\u5b58\u91cc\u7684\u8fdb\u7a0b\u3001\u8fde\u63a5\u548c\u4e34\u65f6\u6587\u4ef6\u4f1a\u4e22\u3002<\/li>\n<li><strong>\u4fdd\u7559\u73b0\u573a<\/strong>\uff1a\u8fdb\u7a0b\u5217\u8868\u3001\u7f51\u7edc\u8fde\u63a5\u3001\u767b\u5f55\u8bb0\u5f55\u3001Web \u65e5\u5fd7\u3001\u5b9a\u65f6\u4efb\u52a1\u3001\u8d26\u53f7\u5217\u8868\u3001\u6700\u8fd1\u4fee\u6539\u7684\u6587\u4ef6\uff0c\u5404\u5b58\u4e00\u4efd\u3002<\/li>\n<li><strong>\u590d\u5236\u5230\u673a\u5668\u5916<\/strong>\uff1a\u628a\u65e5\u5fd7\u548c\u68c0\u67e5\u7ed3\u679c\u6253\u5305\u4f20\u5230\u53e6\u4e00\u53f0\u673a\u5668\u6216\u5bf9\u8c61\u5b58\u50a8\uff0c\u522b\u7559\u5728\u88ab\u5165\u4fb5\u7684\u673a\u5668\u4e0a\u3002<\/li>\n<li><strong>\u8bb0\u65f6\u95f4\u7ebf<\/strong>\uff1a\u4ec0\u4e48\u65f6\u5019\u53d1\u73b0\u3001\u505a\u4e86\u4ec0\u4e48\u64cd\u4f5c\u3001\u8c01\u5728\u5904\u7406\u3002\u540e\u9762\u590d\u76d8\u548c\u5bf9\u5916\u6c9f\u901a\u90fd\u8981\u7528\u3002<\/li>\n<\/ol>\n<p>\u5982\u679c\u4e1a\u52a1\u4e0d\u80fd\u65ad\uff0c\u81f3\u5c11\u5148\u628a\u653b\u51fb\u6765\u6e90 IP \u5c01\u6389\u3001\u628a\u5f02\u5e38\u8fdb\u7a0b\u7684\u7f51\u7edc\u6743\u9650\u65ad\u6389\uff0c\u518d\u6309\u4e0b\u9762\u7684\u987a\u5e8f\u67e5\u3002\u4e0d\u8981\u4e00\u8fb9\u67e5\u4e00\u8fb9\u8ba9\u673a\u5668\u7ee7\u7eed\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img width=\"1280\" height=\"720\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/4f20e7713b7abdc.jpg\" alt=\"\u670d\u52a1\u5668\u88ab\u653e\u5728\u900f\u660e\u9694\u79bb\u7f69\u91cc\uff0c\u7f51\u7edc\u7ebf\u7f06\u65ad\u5f00\" class=\"wp-image-3234\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/4f20e7713b7abdc.jpg 1280w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/4f20e7713b7abdc-300x169.jpg 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/4f20e7713b7abdc-1024x576.jpg 1024w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/4f20e7713b7abdc-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption>\u5148\u9694\u79bb\u518d\u53d6\u8bc1\uff1a\u65ad\u516c\u7f51\u3001\u7559\u7ba1\u7406\u901a\u9053\u3001\u6253\u5feb\u7167\uff0c\u522b\u6025\u7740\u91cd\u88c5\u3002<\/figcaption><\/figure>\n<h2 id=\"\u7b2c\u4e8c\u6b65\u770b\u8fdb\u7a0b\u548c\u7f51\u7edc\">\u7b2c\u4e8c\u6b65\uff1a\u770b\u8fdb\u7a0b\u548c\u7f51\u7edc<\/h2>\n<pre><code>ps aux --sort=-%cpu | head -20\nss -lntup\nlsof -i -P -n\nls -l \/proc\/&lt;pid&gt;\/exe\ntr '\\0' ' ' &lt; \/proc\/&lt;pid&gt;\/cmdline; echo<\/code><\/pre>\n<p>\u91cd\u70b9\u770b\u51e0\u7c7b\u7279\u5f81\uff1a\u8fdb\u7a0b\u8def\u5f84\u5728 <code>\/tmp<\/code>\u3001<code>\/dev\/shm<\/code>\u3001<code>\/var\/tmp<\/code>\uff1b\u53ef\u6267\u884c\u6587\u4ef6\u663e\u793a <code>(deleted)<\/code>\uff1b\u8fdb\u7a0b\u540d\u4f2a\u88c5\u6210 <code>kworker<\/code>\u3001<code>sshd<\/code>\u3001<code>mysql<\/code> \u4f46\u8def\u5f84\u4e0d\u5bf9\uff1b\u76d1\u542c\u7aef\u53e3\u662f\u4f60\u6ca1\u5f00\u8fc7\u7684\uff1b\u51fa\u7ad9\u8fde\u63a5\u6307\u5411\u964c\u751f\u56fd\u5bb6\u7684 IP\u3002<\/p>\n<p>\u6316\u77ff\u8fdb\u7a0b\u901a\u5e38\u4f1a\u6539 CPU \u5360\u7528\u3001\u8fde\u77ff\u6c60\u3001\u5e26\u770b\u95e8\u72d7\u3002\u4f60\u6740\u6389\u4e00\u4e2a\uff0c\u53e6\u4e00\u4e2a\u4f1a\u628a\u5b83\u62c9\u8d77\u6765\u3002\u6240\u4ee5\u770b\u5230\u6316\u77ff\uff0c\u4e0d\u8981\u53ea kill\uff0c\u5148\u627e\u5b83\u7684\u7236\u8fdb\u7a0b\u3001\u5b9a\u65f6\u4efb\u52a1\u548c\u542f\u52a8\u811a\u672c\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img width=\"1280\" height=\"720\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/1e283a4b7f76222.jpg\" alt=\"\u653e\u5927\u955c\u68c0\u67e5\u670d\u52a1\u5668\u8fde\u63a5\u7ebf\u4e0a\u7684\u4e00\u4e2a\u7ea2\u8272\u5f02\u5e38\u8282\u70b9\" class=\"wp-image-3235\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/1e283a4b7f76222.jpg 1280w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/1e283a4b7f76222-300x169.jpg 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/1e283a4b7f76222-1024x576.jpg 1024w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/1e283a4b7f76222-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption>\u5f02\u5e38\u8fdb\u7a0b\u3001\u964c\u751f\u7aef\u53e3\u3001\u53ef\u7591\u5916\u8054\uff0c\u4e09\u6761\u7ebf\u4ea4\u53c9\u770b\uff0c\u6bd4\u5355\u4e2a\u544a\u8b66\u53ef\u9760\u3002<\/figcaption><\/figure>\n<h2 id=\"\u7b2c\u4e09\u6b65\u67e5\u6301\u4e45\u5316\">\u7b2c\u4e09\u6b65\uff1a\u67e5\u6301\u4e45\u5316<\/h2>\n<p>\u653b\u51fb\u8005\u8981\u957f\u671f\u5f85\u7740\uff0c\u901a\u5e38\u4f1a\u7559\u4e0b\u5f00\u673a\u542f\u52a8\u6216\u5b9a\u65f6\u6267\u884c\u7684\u4e1c\u897f\u3002\u9010\u4e2a\u67e5\uff1a<\/p>\n<pre><code>crontab -l\nfor u in $(cut -d: -f1 \/etc\/passwd); do echo \"== $u\"; crontab -l -u \"$u\" 2&gt;\/dev\/null; done\nls -la \/etc\/cron.* \/etc\/crontab\nsystemctl list-unit-files --state=enabled\ncat \/etc\/ld.so.preload\ncat \/etc\/rc.local 2&gt;\/dev\/null<\/code><\/pre>\n<p>\u8fd8\u8981\u770b\u8fd9\u4e9b\u4f4d\u7f6e\uff1a<code>\/etc\/profile.d\/<\/code>\u3001<code>~\/.bashrc<\/code>\u3001<code>~\/.config\/systemd\/user\/<\/code>\u3001<code>\/etc\/init.d\/<\/code>\u3001\u5404\u7528\u6237\u7684 <code>authorized_keys<\/code>\u3002SSH \u516c\u94a5\u662f\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u540e\u95e8\uff0c\u5c24\u5176\u662f root \u548c Web \u7528\u6237\u7684\u3002<\/p>\n<pre><code>find \/ -name authorized_keys -type f 2&gt;\/dev\/null -exec ls -l {} \\;<\/code><\/pre>\n<p><code>\/etc\/ld.so.preload<\/code> \u91cc\u5982\u679c\u6709\u4e00\u884c\u964c\u751f\u8def\u5f84\uff0c\u8bf4\u660e\u6709\u4eba\u5728\u7528\u52a8\u6001\u94fe\u63a5\u5e93\u52ab\u6301\u7cfb\u7edf\u547d\u4ee4\uff0c\u8fd9\u79cd\u901a\u5e38\u8981\u91cd\u88c5\u3002<\/p>\n<h2 id=\"\u7b2c\u56db\u6b65\u67e5-web-\u5165\u53e3\">\u7b2c\u56db\u6b65\uff1a\u67e5 Web \u5165\u53e3<\/h2>\n<p>\u5927\u591a\u6570\u670d\u52a1\u5668\u88ab\u5165\u4fb5\uff0c\u5165\u53e3\u5728 Web\u3002\u5148\u770b\u8bbf\u95ee\u65e5\u5fd7\u91cc\u6709\u6ca1\u6709\u5f02\u5e38\u8bf7\u6c42\uff0c\u518d\u627e webshell\uff1a<\/p>\n<pre><code>tail -n 5000 \/var\/log\/nginx\/access.log | awk '{print $1, $7, $9}' | sort | uniq -c | sort -rn | head -30\ngrep -rIl --include=*.php -E 'eval\\(|base64_decode\\(|assert\\(|system\\(|shell_exec\\(|passthru\\(' \/var\/www 2&gt;\/dev\/null\nfind \/var\/www -type f -mtime -7 -printf '%TY-%Tm-%Td %TH:%TM %p\\n' | sort<\/code><\/pre>\n<p>\u7b2c\u4e00\u6761\u770b\u8c01\u5728\u6253\u4ec0\u4e48\u8def\u5f84\u3001\u8fd4\u56de\u4ec0\u4e48\u72b6\u6001\u7801\uff1b\u7b2c\u4e8c\u6761\u627e\u53ef\u7591\u51fd\u6570\uff0c\u8bef\u62a5\u4f1a\u5f88\u591a\uff0c\u8981\u7ed3\u5408\u6587\u4ef6\u65f6\u95f4\u548c\u4e1a\u52a1\u4ee3\u7801\u5224\u65ad\uff1b\u7b2c\u4e09\u6761\u627e\u6700\u8fd1\u88ab\u6539\u52a8\u7684\u6587\u4ef6\uff0c\u91cd\u70b9\u770b\u4e0a\u4f20\u76ee\u5f55\u3001\u7f13\u5b58\u76ee\u5f55\u3001\u4e3b\u9898\u63d2\u4ef6\u76ee\u5f55\u548c\u6839\u76ee\u5f55\u4e0b\u591a\u51fa\u6765\u7684 PHP \u6587\u4ef6\u3002<\/p>\n<p>\u540c\u65f6\u6838\u5bf9\u5e94\u7528\u7248\u672c\uff1aCMS\u3001\u6846\u67b6\u3001\u63d2\u4ef6\u3001\u4e3b\u9898\u662f\u4e0d\u662f\u6709\u5df2\u77e5\u6f0f\u6d1e\uff0c\u6700\u8fd1\u6709\u6ca1\u6709\u53d1\u8fc7\u5b89\u5168\u66f4\u65b0\u3002\u5982\u679c\u5165\u53e3\u662f\u67d0\u4e2a\u6f0f\u6d1e\uff0c\u5149\u5220 webshell \u6ca1\u7528\uff0c\u8865\u4e01\u4e0d\u6253\uff0c\u4e0b\u6b21\u8fd8\u4f1a\u88ab\u4e0a\u4f20\u3002<\/p>\n<h2 id=\"\u7b2c\u4e94\u6b65\u67e5\u8d26\u53f7\u548c\u6743\u9650\">\u7b2c\u4e94\u6b65\uff1a\u67e5\u8d26\u53f7\u548c\u6743\u9650<\/h2>\n<pre><code>awk -F: '$3==0 {print}' \/etc\/passwd\ngrep -rE 'NOPASSWD|ALL' \/etc\/sudoers \/etc\/sudoers.d\/ 2&gt;\/dev\/null\nlast -a | head -20\nlastb | head -20\ngrep -i 'Accepted' \/var\/log\/auth.log 2&gt;\/dev\/null | tail -20<\/code><\/pre>\n<p>\u770b\u6709\u6ca1\u6709\u591a\u4f59\u7684 UID 0 \u8d26\u53f7\u3001\u964c\u751f sudo \u89c4\u5219\u3001\u5f02\u5e38\u767b\u5f55\u8bb0\u5f55\u3002\u653b\u51fb\u8005\u5e38\u628a\u540e\u95e8\u8d26\u53f7\u4f2a\u88c5\u6210\u7cfb\u7edf\u8d26\u53f7\uff0c\u6216\u8005\u76f4\u63a5\u5f80 <code>authorized_keys<\/code> \u91cc\u585e\u516c\u94a5\uff0c\u540e\u8005\u6bd4\u65b0\u5efa\u8d26\u53f7\u66f4\u9690\u853d\u3002<\/p>\n<p>\u5982\u679c\u786e\u8ba4\u6709\u964c\u751f\u8d26\u53f7\u6216\u516c\u94a5\uff0c\u5148\u7981\u7528\u800c\u4e0d\u662f\u7acb\u523b\u5220\u9664\uff0c\u4fdd\u7559\u8bc1\u636e\u3002\u7b49\u53d6\u8bc1\u5b8c\u6210\u518d\u6e05\u7406\u3002<\/p>\n<h2 id=\"\u7b2c\u516d\u6b65\u67e5\u6587\u4ef6\u5b8c\u6574\u6027\u548c-rootkit\">\u7b2c\u516d\u6b65\uff1a\u67e5\u6587\u4ef6\u5b8c\u6574\u6027\u548c rootkit<\/h2>\n<pre><code>debsums -c 2&gt;\/dev\/null | head -30      # Debian \/ Ubuntu\nrpm -Va 2&gt;\/dev\/null | head -30          # RHEL \/ CentOS\nrkhunter --check --sk 2&gt;\/dev\/null\nchkrootkit 2&gt;\/dev\/null | grep -i infected<\/code><\/pre>\n<p>\u8fd9\u4e9b\u5de5\u5177\u80fd\u7ed9\u7ebf\u7d22\uff0c\u4f46\u4e0d\u80fd\u8bc1\u660e\u673a\u5668\u5e72\u51c0\u3002\u9ad8\u7ea7 rootkit \u53ef\u4ee5\u9690\u85cf\u8fdb\u7a0b\u3001\u6587\u4ef6\u548c\u8fde\u63a5\uff0c\u626b\u63cf\u7ed3\u679c\u5168\u90e8\u6b63\u5e38\u4e5f\u4e0d\u4ee3\u8868\u6ca1\u88ab\u5165\u4fb5\u3002\u5224\u65ad\u8981\u770b\u201c\u5165\u53e3\u662f\u5426\u660e\u786e\u3001\u6301\u4e45\u5316\u662f\u5426\u6e05\u5e72\u51c0\u3001\u6709\u6ca1\u6709\u6570\u636e\u5916\u6cc4\u8ff9\u8c61\u201d\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u626b\u63cf\u8f93\u51fa\u3002<\/p>\n<h2 id=\"\u6e05\u7406\u8fd8\u662f\u91cd\u88c5\">\u6e05\u7406\u8fd8\u662f\u91cd\u88c5<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u60c5\u51b5<\/th>\n<th>\u5efa\u8bae<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u786e\u8ba4\u62ff\u5230 root\u3001\u53d1\u73b0\u540e\u95e8\u6216\u6570\u636e\u5916\u6cc4<\/td>\n<td>\u91cd\u88c5\uff0c\u4e0d\u8981\u6e05\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u5165\u53e3\u4e0d\u660e\uff0c\u6301\u4e45\u5316\u673a\u5236\u6ca1\u67e5\u6e05<\/td>\n<td>\u91cd\u88c5<\/td>\n<\/tr>\n<tr>\n<td>\u6d4b\u8bd5\u673a\u3001\u4f4e\u4ef7\u503c\u8fb9\u7f18\u8282\u70b9<\/td>\n<td>\u91cd\u88c5\u66f4\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u5165\u53e3\u660e\u786e\u3001\u65e0\u63d0\u6743\u548c\u6301\u4e45\u5316\u3001\u9694\u79bb\u89c2\u5bdf\u901a\u8fc7<\/td>\n<td>\u53ef\u6e05\u7406\uff0c\u4f46\u5fc5\u987b\u6301\u7eed\u76d1\u63a7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u751f\u4ea7\u73af\u5883\u7684\u539f\u5219\u5f88\u7b80\u5355\uff1a\u53ea\u8981\u653b\u51fb\u8005\u62ff\u5230\u8fc7 root\uff0c\u6216\u8005\u4f60\u65e0\u6cd5\u8bc1\u660e\u4ed6\u6ca1\u62ff\u5230\uff0c\u5c31\u91cd\u88c5\u3002\u6e05\u7406\u770b\u8d77\u6765\u5feb\uff0c\u5b9e\u9645\u4e0a\u4f60\u5f88\u96be\u8bc1\u660e\u201c\u5df2\u7ecf\u6e05\u5e72\u51c0\u201d\uff0c\u540e\u9762\u6bcf\u6b21\u544a\u8b66\u90fd\u4f1a\u6000\u7591\u81ea\u5df1\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img width=\"1280\" height=\"720\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/600935400df6a3d.jpg\" alt=\"\u5206\u53c9\u7684\u9053\u8def\uff0c\u4e00\u8fb9\u901a\u5411\u5e26\u5237\u65b0\u7bad\u5934\u7684\u76fe\u724c\uff0c\u4e00\u8fb9\u901a\u5411\u6273\u624b\u548c\u7834\u635f\u7684\u670d\u52a1\u5668\" class=\"wp-image-3236\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/600935400df6a3d.jpg 1280w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/600935400df6a3d-300x169.jpg 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/600935400df6a3d-1024x576.jpg 1024w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/10\/600935400df6a3d-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption>\u62ff\u5230\u8fc7 root \u6216\u5165\u53e3\u4e0d\u660e\u65f6\uff0c\u91cd\u88c5\u901a\u5e38\u6bd4\u6e05\u7406\u66f4\u7701\u603b\u6210\u672c\u3002<\/figcaption><\/figure>\n<h2 id=\"\u91cd\u88c5\u548c\u6062\u590d\u600e\u4e48\u505a\">\u91cd\u88c5\u548c\u6062\u590d\u600e\u4e48\u505a<\/h2>\n<ol>\n<li>\u4fdd\u7559\u5feb\u7167\u548c\u53d6\u8bc1\u5305\uff0c\u522b\u6025\u7740\u91ca\u653e\u65e7\u673a\u5668\u3002<\/li>\n<li>\u7528\u53ef\u4fe1\u955c\u50cf\u91cd\u88c5\uff0c\u88c5\u5b8c\u5148\u6253\u8865\u4e01\u3001\u914d\u9632\u706b\u5899\u3001\u7981\u7528\u5bc6\u7801\u767b\u5f55\uff0c\u518d\u66b4\u9732\u5230\u516c\u7f51\u3002<\/li>\n<li>\u6570\u636e\u4ece\u201c\u5df2\u77e5\u5e72\u51c0\u201d\u7684\u5907\u4efd\u6062\u590d\uff0c\u6062\u590d\u524d\u626b\u63cf\uff1b\u4e0d\u8981\u628a\u65e7\u673a\u5668\u7684\u4e8c\u8fdb\u5236\u3001\u9762\u677f\u63d2\u4ef6\u3001\u4e3b\u9898\u5305\u76f4\u63a5\u62f7\u56de\u6765\u3002<\/li>\n<li>\u8f6e\u6362\u6240\u6709\u51ed\u636e\uff1aSSH \u5bc6\u94a5\u3001\u6570\u636e\u5e93\u5bc6\u7801\u3001API Key\u3001\u9762\u677f\u5bc6\u7801\u3001\u4e91\u5382\u5546 AccessKey\u3001CDN \u548c DNS \u7684 Token\u3002<\/li>\n<li>\u68c0\u67e5 DNS\u3001CDN\u3001\u5bf9\u8c61\u5b58\u50a8\u3001\u90ae\u4ef6\u914d\u7f6e\u6709\u6ca1\u6709\u88ab\u6539\uff0c\u653b\u51fb\u8005\u5e38\u5728\u8fd9\u4e9b\u5730\u65b9\u7559\u540e\u624b\u3002<\/li>\n<li>\u6062\u590d\u540e\u76ef\u4e24\u5468\uff1a\u767b\u5f55\u5931\u8d25\u3001\u51fa\u7ad9\u8fde\u63a5\u3001CPU\u3001\u6587\u4ef6\u53d8\u66f4\u3001Web \u8bbf\u95ee\u5f02\u5e38\u3002<\/li>\n<\/ol>\n<h2 id=\"\u52a0\u56fa\u6e05\u5355\">\u52a0\u56fa\u6e05\u5355<\/h2>\n<ul>\n<li>\u7cfb\u7edf\u548c\u5e94\u7528\u8865\u4e01\u56fa\u5b9a\u7a97\u53e3\uff0c\u80fd\u5f00\u81ea\u52a8\u5b89\u5168\u66f4\u65b0\u5c31\u5f00<\/li>\n<li>SSH \u53ea\u5141\u8bb8\u5bc6\u94a5\u767b\u5f55\uff0c\u7981\u7528 root \u5bc6\u7801\u767b\u5f55\uff0c\u6309\u9700\u9650\u5236\u6765\u6e90 IP<\/li>\n<li>\u9632\u706b\u5899\u9ed8\u8ba4\u62d2\u7edd\uff0c\u53ea\u5f00\u653e\u5fc5\u8981\u7aef\u53e3\uff1b\u9762\u677f\u3001\u6570\u636e\u5e93\u3001Redis \u4e0d\u5bf9\u516c\u7f51<\/li>\n<li>Web \u5c42\u52a0 WAF \u6216 CDN \u9632\u62a4\uff0c\u4e0a\u4f20\u76ee\u5f55\u7981\u6b62\u6267\u884c\u811a\u672c<\/li>\n<li>\u6bcf\u4e2a\u7ad9\u70b9\u72ec\u7acb\u7cfb\u7edf\u7528\u6237\u548c PHP-FPM pool\uff0c\u522b\u7528 root \u8dd1\u5e94\u7528<\/li>\n<li>\u9762\u677f\u548c SSH \u5f00 2FA\uff0c\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u5371\u9669\u51fd\u6570\u548c\u8c03\u8bd5\u63a5\u53e3<\/li>\n<li>\u65e5\u5fd7\u96c6\u4e2d\u6536\u96c6\uff0c\u4fdd\u7559\u65f6\u95f4\u8db3\u591f\u957f\uff1b\u5173\u952e\u76ee\u5f55\u5f00\u6587\u4ef6\u5b8c\u6574\u6027\u76d1\u63a7<\/li>\n<li>\u5907\u4efd\u79bb\u7ebf\u4fdd\u5b58\uff0c\u5b9a\u671f\u505a\u6062\u590d\u6f14\u7ec3\uff1b\u5907\u4efd\u8d26\u53f7\u548c production \u6743\u9650\u5206\u79bb<\/li>\n<li>\u51c6\u5907\u5e94\u6025\u8054\u7cfb\u4eba\uff1a\u4e91\u5382\u5546\u3001DNS\u3001CDN\u3001\u652f\u4ed8\u3001\u6cd5\u52a1\uff0c\u51fa\u4e8b\u65f6\u4e0d\u7528\u73b0\u627e<\/li>\n<\/ul>\n<h2 id=\"\u5e38\u89c1\u95ee\u9898-faq\">\u5e38\u89c1\u95ee\u9898 FAQ<\/h2>\n<p><strong>Q1\uff1a\u628a\u6316\u77ff\u8fdb\u7a0b\u6740\u6389\u5c31\u884c\u4e86\u5417\uff1f<\/strong><\/p>\n<p>\u4e0d\u884c\u3002\u6316\u77ff\u901a\u5e38\u6709\u5b88\u62a4\u8fdb\u7a0b\u3001\u5b9a\u65f6\u4efb\u52a1\u6216\u542f\u52a8\u811a\u672c\uff0c\u6740\u4e00\u4e2a\u4f1a\u88ab\u62c9\u8d77\u6765\u3002\u5148\u627e\u7236\u8fdb\u7a0b\u548c\u6301\u4e45\u5316\uff0c\u518d\u51b3\u5b9a\u6e05\u7406\u8fd8\u662f\u91cd\u88c5\u3002<\/p>\n<p><strong>Q2\uff1a\u4e00\u5b9a\u8981\u91cd\u88c5\u5417\uff1f<\/strong><\/p>\n<p>\u62ff\u5230 root\u3001\u53d1\u73b0\u540e\u95e8\u3001\u5165\u53e3\u4e0d\u660e\u3001\u6709\u6570\u636e\u5916\u6cc4\u8ff9\u8c61\uff0c\u5efa\u8bae\u91cd\u88c5\u3002\u6e05\u7406\u53ea\u9002\u5408\u5165\u53e3\u660e\u786e\u3001\u6ca1\u6709\u63d0\u6743\u3001\u9694\u79bb\u89c2\u5bdf\u901a\u8fc7\u7684\u4f4e\u98ce\u9669\u573a\u666f\uff0c\u800c\u4e14\u8981\u7ee7\u7eed\u76d1\u63a7\u3002<\/p>\n<p><strong>Q3\uff1a\u65e7\u5907\u4efd\u8fd8\u80fd\u7528\u5417\uff1f<\/strong><\/p>\n<p>\u53ea\u7528\u786e\u8ba4\u5e72\u51c0\u7684\u5907\u4efd\u3002\u548c\u88ab\u5165\u4fb5\u673a\u5668\u540c\u6e90\u3001\u540c\u8d26\u53f7\u3001\u540c\u6302\u8f7d\u7684\u5907\u4efd\uff0c\u9ed8\u8ba4\u6309\u4e0d\u53ef\u4fe1\u5904\u7406\uff1b\u6062\u590d\u524d\u626b\u63cf\uff0c\u6062\u590d\u540e\u7ee7\u7eed\u89c2\u5bdf\u3002<\/p>\n<p><strong>Q4\uff1a\u600e\u4e48\u627e\u5230\u5165\u4fb5\u5165\u53e3\uff1f<\/strong><\/p>\n<p>\u4ece Web \u8bbf\u95ee\u65e5\u5fd7\u3001\u5e94\u7528\u7248\u672c\u3001\u6587\u4ef6\u4fee\u6539\u65f6\u95f4\u3001\u8d26\u53f7\u767b\u5f55\u8bb0\u5f55\u56db\u6761\u7ebf\u4ea4\u53c9\u6bd4\u5bf9\u3002\u627e\u5230\u5165\u53e3\u540e\u5148\u8865\u6f0f\u6d1e\uff0c\u518d\u8c08\u6e05\u7406\uff0c\u5426\u5219\u91cd\u88c5\u4e5f\u4f1a\u518d\u4e2d\u4e00\u6b21\u3002<\/p>\n<p><strong>Q5\uff1a\u5b9d\u5854\u9762\u677f\u88ab\u5165\u4fb5\u600e\u4e48\u529e\uff1f<\/strong><\/p>\n<p>\u9762\u677f\u901a\u5e38\u4ee5 root \u8fd0\u884c\uff0c\u9762\u677f\u88ab\u5165\u4fb5\u7b49\u540c\u4e8e\u670d\u52a1\u5668\u88ab\u63d0\u6743\u3002\u6309 root \u5931\u5b88\u5904\u7406\uff0c\u5efa\u8bae\u91cd\u88c5\uff0c\u5e76\u68c0\u67e5\u9762\u677f\u7248\u672c\u3001\u5f31\u5bc6\u7801\u3001\u5f00\u653e\u7aef\u53e3\u548c\u63d2\u4ef6\u6765\u6e90\u3002<\/p>\n<p><strong>Q6\uff1a\u8981\u4e0d\u8981\u62a5\u8b66\u6216\u901a\u77e5\u5ba2\u6237\uff1f<\/strong><\/p>\n<p>\u5982\u679c\u6d89\u53ca\u4e2a\u4eba\u4fe1\u606f\u3001\u652f\u4ed8\u6570\u636e\u6216\u4e1a\u52a1\u4e2d\u65ad\uff0c\u6309\u5f53\u5730\u6cd5\u89c4\u548c\u5408\u540c\u5904\u7406\uff0c\u4fdd\u7559\u8bc1\u636e\u5e76\u54a8\u8be2\u6cd5\u52a1\u3002\u4e0d\u8981\u4e3a\u4e86\u201c\u5148\u6062\u590d\u201d\u628a\u65e5\u5fd7\u548c\u5feb\u7167\u5220\u6389\u3002<\/p>\n<h2 id=\"\u53c2\u8003\u6765\u6e90\">\u53c2\u8003\u6765\u6e90<\/h2>\n<ul>\n<li><a href=\"https:\/\/csrc.nist.gov\/pubs\/sp\/800\/61\/r3\/final\">NIST SP 800-61r3\uff1aIncident Response Recommendations and Considerations<\/a><\/li>\n<li><a href=\"https:\/\/www.cisa.gov\/stopransomware\">CISA\uff1aStopRansomware Guide<\/a><\/li>\n<li><a href=\"https:\/\/ubuntu.com\/security\">Ubuntu Security\uff1a\u6f0f\u6d1e\u4e0e\u5b89\u5168\u516c\u544a<\/a><\/li>\n<\/ul>\n<h2 id=\"\u603b\u7ed3\">\u603b\u7ed3<\/h2>\n<p>\u88ab\u5165\u4fb5\u540e\u7684\u6b63\u786e\u987a\u5e8f\u662f\uff1a\u9694\u79bb\u53d6\u8bc1\u3001\u770b\u8fdb\u7a0b\u548c\u7f51\u7edc\u3001\u67e5\u6301\u4e45\u5316\u3001\u67e5 Web 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href=\"https:\/\/www.ygcloud.com\/knowledge\/888\/\">VPS \u5b89\u5168\u8bbe\u7f6e\u6307\u5357\uff1a\u65b0\u670d\u52a1\u5668\u4e0a\u7ebf\u524d\u7684 12 \u9879\u68c0\u67e5<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/279\/\">VPS \u5e38\u7528\u7aef\u53e3\u6709\u54ea\u4e9b\uff1f\u9ed8\u8ba4\u7aef\u53e3\u3001\u5b89\u5168\u7ec4\u4e0e\u5f00\u653e\u539f\u5219<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/3183\/\">Cloudflare \u914d\u7f6e\u5b9e\u6218\uff1aDNS + CDN + WAF + DDoS \u4e00\u4f53\u5316<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/1380\/\">\u7ad9\u70b9\u76d1\u63a7\u600e\u4e48\u505a\uff1fHTTP\u3001\u5e94\u7528\u3001\u4e3b\u673a\u4e0e\u5907\u4efd\u76d1\u63a7\u6307\u5357<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/1368\/\">\u670d\u52a1\u5668\u7aef\u53e3\u4e0d\u901a\u600e\u4e48\u529e\uff1f\u5b89\u5168\u7ec4\u3001\u9632\u706b\u5899\u4e0e\u76d1\u542c\u6392\u67e5<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u8bf4\u7ed3\u8bba\uff1a\u53d1\u73b0\u670d\u52a1\u5668\u88ab\u5165\u4fb5\uff0c\u7b2c\u4e00\u4ef6\u4e8b\u4e0d\u662f\u5220\u6587\u4ef6\uff0c\u4e5f\u4e0d\u662f\u6025\u7740\u91cd\u88c5\u3002\u5148\u9694\u79bb\u3001\u7559\u8bc1\u636e\u3001\u627e\u5165\u53e3\uff0c\u518d\u51b3\u5b9a\u6e05\u7406\u8fd8\u662f\u91cd\u88c5\u3002\u987a\u5e8f\u53cd\u4e86\uff0c\u4f60\u4f1a\u4e22\u6389\u5224\u65ad\u4f9d\u636e\uff0c\u91cd\u88c5\u540e\u7167\u6837\u88ab\u540c\u4e00\u5165\u53e3\u6253\u8fdb\u6765\u3002 \u4e0b\u9762\u8fd9\u5957\u987a\u5e8f\u9002\u7528\u4e8e\u5e38\u89c1\u7684\u6316\u77ff\u3001webshell\u3001SSH 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