{"id":678,"date":"2020-10-15T21:30:31","date_gmt":"2020-10-15T13:30:31","guid":{"rendered":"https:\/\/www.cxybj.com\/?p=678"},"modified":"2020-10-15T21:30:40","modified_gmt":"2020-10-15T13:30:40","slug":"centos%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%a2%ab%e6%94%bb%e5%87%bb%e5%a6%82%e4%bd%95%e6%89%be%e5%87%ba%e6%94%bb%e5%87%bb%e6%ba%90%e5%92%8c%e6%84%9f%e6%9f%93%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.cxybj.com\/?p=678","title":{"rendered":"centos\u670d\u52a1\u5668\u88ab\u653b\u51fb\u5982\u4f55\u627e\u51fa\u653b\u51fb\u6e90\u548c\u611f\u67d3\u6587\u4ef6"},"content":{"rendered":"<div id=\"wrapper\">\n<div id=\"container\">\n<div id=\"main\">\n<div id=\"article\">\n<p><strong>\u67e5\u8be2\u5f53\u524d\u767b\u5f55\u7684\u7528\u6237<br \/>\n<\/strong>who<br \/>\n<strong>\u67e5\u8be2\u7528\u6237\u767b\u5f55\u884c\u4e3a<br \/>\n<\/strong>w [\u7528\u6237\u540d]<br \/>\n<strong>\u67e5\u8be2\u7528\u6237\u767b\u5f55\u5386\u53f2<br \/>\n<\/strong>last [\u7528\u6237\u540d]<br \/>\n<strong>\u662f\u5426\u6709\u53ef\u7591\u767b\u5f55<\/strong><br \/>\n# \u6210\u529f\u767b\u5f55\u7684<br \/>\nmore \/var\/log\/secure |grep Accepted<\/p>\n<p><strong># \u767b\u5f55\u5931\u8d25\u7684<\/strong><br \/>\nmore \/var\/log\/secure |grep Failed<br \/>\n\u64cd\u4f5c\u5386\u53f2<br \/>\nls -l ~\/.bash_history<br \/>\n-rw&#8212;&#8212;- 1 jd jd 13829 Oct 10 17:06 \/home\/jd\/.bash_history<br \/>\n\u5982\u679c\u4f60\u770b\u5230\uff1a<br \/>\nlrwxrwxrwx 1 jd jd 9 Oct 10 19:40 \/home\/jd\/.bash_history -&gt; \/dev\/null<br \/>\n\u606d\u559c\u4f60\uff0c\u4e2d\u62db\u4e86\uff01<br \/>\n\u5982\u679c\u5386\u4e49\u64cd\u4f5c\u8bb0\u5f55\u88ab\u5b9a\u5411\u5230 \/dev\/null \u5c06\u67e5\u8be2\u4e0d\u5230\u64cd\u4f5c\u5386\u53f2\u3002<br \/>\nhistory | more<br \/>\n<strong>\u5bfb\u627e\u672a\u77e5\u7528\u6237\u8d26\u53f7<br \/>\n<\/strong>grep :x:0: \/etc\/passwd<br \/>\n<strong>\u67e5\u8be2\u6587\u4ef6\u4fee\u6539\u65f6\u95f4<br \/>\n<\/strong>ls -l \/etc\/passwd<br \/>\n<strong>iftop \u67e5\u8be2\u7f51\u7edc\u6d41\u91cf<\/strong><br \/>\n# \u4f60\u9700\u8981\u624b\u52a8\u7f16\u8bd1\u5b89\u88c5<br \/>\niftop<br \/>\n<strong>htop \u67e5\u8be2\u8fdb\u7a0b\u4fe1\u606f<\/strong><br \/>\n# \u4f60\u9700\u8981\u624b\u52a8\u7f16\u8bd1\u5b89\u88c5<br \/>\nhtop<\/p>\n<p><strong>\u5176\u4ed6\u67e5\u627e\u88ab\u9ed1\u6587\u4ef6\u65b9\u6cd5\uff1a<\/strong><br \/>\n\u6bd4\u5982php\u6587\u4ef6\u7684\u65f6\u95f4\uff0c\u5982\u679c\u6211\u4eec\u53ef\u4ee5\u67e5\u627e\u6700\u540e\u4e00\u6b21\u7f51\u7ad9\u4ee3\u7801\u66f4\u65b0\u4ee5\u540e\u7684\u6240\u6709php\u6587\u4ef6\uff0c<br \/>\n\u65b9\u6cd5\u5982\u4e0b\uff1a<br \/>\n\u5047\u8bbe\u6700\u540e\u66f4\u65b0\u662f10\u5929\u524d\uff0c\u6211\u4eec\u53ef\u4ee5\u67e5\u627e10\u5929\u5185\u751f\u6210\u7684\u53ef\u4ee5php\u6587\u4ef6\uff1a<br \/>\nfind \/var\/webroot -name \u201c*.php\u201d -mtime -10<br \/>\n\u547d\u4ee4\u89e3\u8bfb\uff1a<br \/>\n\/var\/webroot\u4e3a\u7f51\u7ad9\u6839\u76ee\u5f55<br \/>\n-name \u201c*.php\u201d\u4e3a\u67e5\u627e\u6240\u6709php\u6587\u4ef6<br \/>\n-time -10\u4e3a\u622a\u6b62\u5230\u73b0\u572810\u5929<\/p>\n<\/div>\n<\/div>\n<p><strong>Linux\u67e5\u770b\/var\/log\/wtmp\u6587\u4ef6\u67e5\u770b\u53ef\u7591IP\u767b\u9646<\/strong><br \/>\nlast -f \/var\/log\/wtmp<br \/>\n\u8be5\u65e5\u5fd7\u6587\u4ef6\u6c38\u4e45\u8bb0\u5f55\u6bcf\u4e2a\u7528\u6237\u767b\u5f55\u3001\u6ce8\u9500\u53ca\u7cfb\u7edf\u7684\u542f\u52a8\u3001\u505c\u673a\u7684\u4e8b\u4ef6\u3002\u56e0\u6b64\u968f\u7740\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u7684\u589e\u52a0\uff0c\u8be5\u6587\u4ef6\u7684\u5927\u5c0f\u4e5f\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c<br \/>\n\u589e\u52a0\u7684\u901f\u5ea6\u53d6\u51b3\u4e8e\u7cfb\u7edf\u7528\u6237\u767b\u5f55\u7684\u6b21\u6570\u3002\u8be5\u65e5\u5fd7\u6587\u4ef6\u53ef\u4ee5\u7528\u6765\u67e5\u770b\u7528\u6237\u7684\u767b\u5f55\u8bb0\u5f55\uff0c<br \/>\nlast\u547d\u4ee4\u5c31\u901a\u8fc7\u8bbf\u95ee\u8fd9\u4e2a\u6587\u4ef6\u83b7\u5f97\u8fd9\u4e9b\u4fe1\u606f\uff0c\u5e76\u4ee5\u53cd\u5e8f\u4ece\u540e\u5411\u524d\u663e\u793a\u7528\u6237\u7684\u767b\u5f55\u8bb0\u5f55\uff0clast\u4e5f\u80fd\u6839\u636e\u7528\u6237\u3001\u7ec8\u7aeftty\u6216\u65f6\u95f4\u663e\u793a\u76f8\u5e94\u7684\u8bb0\u5f55\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u67e5\u8be2\u5f53\u524d\u767b\u5f55\u7684\u7528\u6237 who \u67e5\u8be2\u7528\u6237\u767b\u5f55\u884c\u4e3a w [\u7528\u6237\u540d] &hellip; <a href=\"https:\/\/www.cxybj.com\/?p=678\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts\/678"}],"collection":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=678"}],"version-history":[{"count":1,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions"}],"predecessor-version":[{"id":679,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions\/679"}],"wp:attachment":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}