{"id":212487,"date":"2021-02-28T08:23:18","date_gmt":"2021-02-28T00:23:18","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=212487"},"modified":"2021-02-26T10:25:52","modified_gmt":"2021-02-26T02:25:52","slug":"linux-ssh-login-alert","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/linux-ssh-login-alert.html","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e0a\u4e3aSSH\u767b\u5f55\u8bbe\u7f6e\u7535\u5b50\u90ae\u4ef6\u63d0\u9192"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u5728\u672c\u6587\u4e2d\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e0a\u4e3assh\u767b\u5f55\u8bbe\u7f6e\u7535\u5b50\u90ae\u4ef6\u63d0\u9192\u3002\u4ee5\u63a5\u6536\u6709\u5173\u5bf9root\u7528\u6237\u7684\u672a\u7ecf\u6388\u6743\u6216\u975e\u6cd5\u767b\u5f55\u8bbf\u95ee\u7684\u8b66\u62a5\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>.bashrc\u6587\u4ef6\u662f\u505a\u4ec0\u4e48\u7684\uff1f<\/strong><\/div>\n<p><code>.bashrc<\/code>\u6587\u4ef6\u662f\u4e00\u4e2a\u811a\u672c\uff0c\u6bcf\u5f53\u4ee5\u4ea4\u4e92\u65b9\u5f0f\u542f\u52a8\u65b0\u7684\u7ec8\u7aef\u4f1a\u8bdd\u65f6\uff0c\u4fbf\u4f1a\u6267\u884c\u8be5\u811a\u672c\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>1\uff09\u5982\u4f55\u4e3aroot\u7528\u6237\u542f\u7528\u7535\u5b50\u90ae\u4ef6\u8b66\u62a5<\/strong><\/div>\n<p>\u4ee5root\u7528\u6237\u8eab\u4efd\u767b\u5f55\uff0c\u7136\u540e\u5c06\u4ee5\u4e0b\u4e00\u884c\u811a\u672c\u6dfb\u52a0\u5230root\u7528\u6237\u201c .bashrc\u201d\u6587\u4ef6\u4e2d\u4ee5\u5b9e\u73b0\u6b64\u76ee\u7684\uff1a<\/p>\n<pre>\r\n[root@localhost ~]# vim \/root\/.bashrc \r\n\r\necho 'ALERT - SSH root shell access found on '$HOSTNAME' on:' `date` `who` | mail -s \"Alert: SSH root shell access\"  root@localhost\r\n<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image1-2.png\" alt=\"\" width=\"867\" height=\"288\" class=\"alignnone size-full wp-image-212489\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image1-2.png 867w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image1-2-300x100.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image1-2-768x255.png 768w\" sizes=\"auto, (max-width: 867px) 100vw, 867px\" \/><br \/>\n\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4f7f\u547d\u4ee4\u751f\u6548\uff1a<\/p>\n<pre>\r\n[root@localhost ~]# source .bashrc \r\n<\/pre>\n<p>\u5b8c\u6210\u540e\uff0c\u4ee5root\u7528\u6237\u8eab\u4efd\u767b\u5f55\u3002\u5c06\u6536\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u5185\u5bb9\u7684\u90ae\u4ef6\u8b66\u62a5\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image2-2.png\" alt=\"\" width=\"872\" height=\"265\" class=\"alignnone size-full wp-image-212490\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image2-2.png 872w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image2-2-300x91.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image2-2-768x233.png 768w\" sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><br \/>\n\u5c06\u4ee3\u7801\u4e2d\u7684<code>root@localhost<\/code>\u6539\u4e3a\u81ea\u5df1\u7528\u6765\u63a5\u6536\u90ae\u4ef6\u7684\u90ae\u7bb1\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>2\uff09\u5982\u4f55\u4e3a\u7279\u5b9a\u7528\u6237\u542f\u7528\u7535\u5b50\u90ae\u4ef6\u8b66\u62a5<\/strong><\/div>\n<p>\u9700\u8981\u5c06\u4ee5\u4e0b\u811a\u672c\u6dfb\u52a0\u5230\u6307\u5b9a\u7528\u6237\u7684<code>.bashrc<\/code>\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre>\r\n[root@localhost ~]# vim \/home\/bob\/.bashrc \r\n\r\necho 'ALERT - '$USER' shell access found on '$HOSTNAME' on:' `date` `who` | mail -s \"Alert: User shell access\" root@localhost\r\n<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image3-1.png\" alt=\"\" width=\"876\" height=\"368\" class=\"alignnone size-full wp-image-212491\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image3-1.png 876w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image3-1-300x126.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image3-1-768x323.png 768w\" sizes=\"auto, (max-width: 876px) 100vw, 876px\" \/><br \/>\n\u5c06\u4ee3\u7801\u4e2d\u7684<code>root@localhost<\/code>\u6539\u4e3a\u81ea\u5df1\u7528\u6765\u63a5\u6536\u90ae\u4ef6\u7684\u90ae\u7bb1\u3002<\/p>\n<p>\u767b\u5f55\u540e\u7684\u63d0\u793a\u5982\u4e0b\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image4.png\" alt=\"\" width=\"875\" height=\"264\" class=\"alignnone size-full wp-image-212492\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image4.png 875w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image4-300x91.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image4-768x232.png 768w\" sizes=\"auto, (max-width: 875px) 100vw, 875px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>3\uff09\u5982\u4f55\u4e3a\u6240\u6709\u7528\u6237\u542f\u7528\u7535\u5b50\u90ae\u4ef6\u8b66\u62a5<\/strong><\/div>\n<p>\u4e3a\u6240\u6709\u7528\u6237\u542f\u7528\u7535\u5b50\u90ae\u4ef6\u62a5\u8b66\u548c\u4e0a\u9762\u7684\u914d\u7f6e\u7c7b\u4f3c\u3002\u4f46\u662f\u9700\u8981\u5c06\u4ee5\u4e0b\u811a\u672c\u6dfb\u52a0\u5230<code>\/etc\/bashrc<\/code>\u6587\u4ef6\u6700\u540e\u4e00\u884c\u4e2d\uff1a<\/p>\n<pre>\r\n[root@localhost ~]# vim \/etc\/bashrc \r\n\r\necho 'ALERT - '$USER' shell access found on '$HOSTNAME' on:' `date` `who` | mail -s \"Alert: User shell access\"  root@localhost\r\n<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image5.png\" alt=\"\" width=\"870\" height=\"217\" class=\"alignnone size-full wp-image-212493\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image5.png 870w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image5-300x75.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2021\/02\/image5-768x192.png 768w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u603b\u7ed3<\/strong><\/div>\n<p>\u5728\u672c\u6587\u4e2d\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e0a\u4e3assh\u767b\u5f55\u8bbe\u7f6e\u7535\u5b50\u90ae\u4ef6\u63d0\u9192\u3002\u4ee5\u63a5\u6536\u6709\u5173\u5bf9root\u7528\u6237\u7684\u672a\u7ecf\u6388\u6743\u6216\u975e\u6cd5\u767b\u5f55\u8bbf\u95ee\u7684\u8b66\u62a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>.bashrc\u6587\u4ef6\u662f\u4e00\u4e2a\u811a\u672c\uff0c\u6bcf\u5f53\u4ee5\u4ea4\u4e92\u65b9\u5f0f\u542f\u52a8\u65b0\u7684\u7ec8\u7aef\u4f1a\u8bdd\u65f6\uff0c\u4fbf\u4f1a\u6267\u884c\u8be5\u811a\u672c\u3002 \u4ee5root\u7528\u6237\u8eab\u4efd\u767b\u5f55\uff0c\u7136\u540e [&hellip;]<\/p>\n","protected":false},"author":309,"featured_media":212488,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-212487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/212487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/309"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=212487"}],"version-history":[{"count":1,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/212487\/revisions"}],"predecessor-version":[{"id":212494,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/212487\/revisions\/212494"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/212488"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=212487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=212487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=212487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}