• 打赏 jQuery火箭图标返回顶部代码</h1> <hr> <span class="pre-scrollable"><div id="cnblogs_post_body" class="blogpost-body"> <blockquote> <p><span style="font-family: 'Microsoft YaHei';">  工作中我们常常遇到,有的员工不安于被分配的权限,老是想sudo echo "ziji" /usr/bin/visudo NOPASSWD:ALL来进行提权,造成误删了数据库某条重要的数据,或者执行了一条命令对线上生产造成了严重的影响,部门老大又苦于找不到造成这种现象的操作者,CTO对你们部门直接扣除绩效,这样你们集体成了背锅侠。。。为了记录员工做的违规操作行为,所以就有了以下的方案。</span><br /><span style="font-family: 'Microsoft YaHei';">  我们今天要学习的是:sudo日志审计,专门对使用sudo命令的系统用户记录其执行的命令相关信息,所谓日志审计,就是记录所有系统及相关用户行为的信息,并且可以自动分析,处理,展示(包括文本或着录像)</span></p> </blockquote> <h2><span style="font-family: 'Microsoft YaHei';"><span style="font-size: 14px;">一)生产环境日志审计解决方案: </span> </span></h2> <blockquote> <p><span style="font-family: 'Microsoft YaHei';">通过环境变量命令及syslog服务进行全部日志审计(信息太大,不推荐)</span></p> <p><span style="font-family: 'Microsoft YaHei';">sudo配合syslog服务,进行日志审计(信息较少,效果不错)</span></p> <p><span style="font-family: 'Microsoft YaHei';">在bash解释器程序里嵌入一个监视器,让所有被审计的系统用户使用修改过的增加了监视器的特殊bash程序作为解释程序。</span></p> <p><span style="font-family: 'Microsoft YaHei';">齐治的堡垒机:商业产品</span></p> </blockquote> <h2><span style="font-family: 'Microsoft YaHei'; font-size: 14px;">二)配置sudo日志审计</span></h2> <p><span style="font-family: 'Microsoft YaHei';">说明:所谓sudo命令日志审计,并不记录普通用户的普通操作,而是记录,那些执行sudo命令的用户的操作。</span></p> <h3><span style="font-family: 'Microsoft YaHei'; font-size: 13px;">1、安装sudo命令,rsyslog服务</span></h3> <div class="cnblogs_code"> <pre><span style="font-family: 'Microsoft YaHei';"><span style="color: #008080;user-select:none;">1</span> [root@s-<span style="color: #800080;">28</span> /]# rpm -qa|grep sudo #要是没安装执行yum install sudo -<span style="color: #000000;">y </span><span style="color: #008080;user-select:none;">2</span> sudo-<span style="color: #800080;">1.8</span>.19p2-<span style="color: #800080;">13</span><span style="color: #000000;">.el7.x86_64 </span><span style="color: #008080;user-select:none;">3</span> [root@s-<span style="color: #800080;">28</span> /]# rpm -qa|grep rsyslog #要是没安装执行yum install rsyslog -<span style="color: #000000;">y </span><span style="color: #008080;user-select:none;">4</span> rsyslog-<span style="color: #800080;">8.24</span>.<span style="color: #800080;">0</span>-<span style="color: #800080;">16</span><span style="color: #000000;">.el7.x86_64 </span><span style="color: #008080;user-select:none;">5</span> [root@s-<span style="color: #800080;">28</span> /]# </span></pre> </div> <h3><span style="font-family: 'Microsoft YaHei'; font-size: 13px;">2、配置服务</span></h3> <p><span style="font-family: 'Microsoft YaHei'; font-size: 13px;">2.1配置系统日志/etc/rsyslog.conf,增加配置local.debug到/etc/rsyslog.conf中</span></p> <div class="cnblogs_code"> <pre><span style="color: #008080;user-select:none;">1</span> [root@s-<span style="color: #800080;">28</span> /]# cat /<span style="color: #0000ff;">var</span>/log/ #查看日志文件是否存在没有就创建mkdir -p /<span style="color: #0000ff;">var</span>/<span style="color: #000000;">log </span><span style="color: #008080;user-select:none;">2</span> cat: /<span style="color: #0000ff;">var</span>/log/<span style="color: #000000;">: Is a directory </span><span style="color: #008080;user-select:none;">3</span> [root@s-<span style="color: #800080;">28</span> /]# cat /etc/redhat-<span style="color: #000000;">release </span><span style="color: #008080;user-select:none;">4</span> CentOS Linux release <span style="color: #800080;">7.5</span>.<span style="color: #800080;">1804</span><span style="color: #000000;"> (Core) </span><span style="color: #008080;user-select:none;">5</span> [root@s-<span style="color: #800080;">28</span> /]# uname -<span style="color: #000000;">r </span><span style="color: #008080;user-select:none;">6</span> <span style="color: #800080;">3.10</span>.<span style="color: #800080;">0</span>-<span style="color: #800080;">862</span><span style="color: #000000;">.el7.x86_64 </span><span style="color: #008080;user-select:none;">7</span> [root@s-<span style="color: #800080;">28</span> /]# tail -<span style="color: #800080;">1</span> /etc/rsyslog.conf #没有就执行echo <span style="color: #800000;">"</span><span style="color: #800000;">local.debug /var/log/sudo.log</span><span style="color: #800000;">"</span>>>/etc/<span style="color: #000000;">rsyslog.conf </span><span style="color: #008080;user-select:none;">8</span> local.debug /<span style="color: #0000ff;">var</span>/log/<span style="color: #000000;">sudo.log </span><span style="color: #008080;user-select:none;">9</span> [root@s-<span style="color: #800080;">28</span> /]# </pre> </div> <p>2.2配置/etc/sudoers,<span style="font-family: 'Microsoft YaHei';">增加配置 “Defaults        logfile=/var/log/sudo.log” 到/etc/sudoers中,注意:不包含引号。</span></p> <div class="cnblogs_code"> <pre><span style="color: #008080;user-select:none;">1</span> [root@s-<span style="color: #800080;">28</span> /]# echo <span style="color: #800000;">"</span><span style="color: #800000;">Defaults logfile=/var/log/sudo.log</span><span style="color: #800000;">"</span>>>/etc/<span style="color: #000000;">sudoers </span><span style="color: #008080;user-select:none;">2</span> [root@s-<span style="color: #800080;">28</span> /]# tail -<span style="color: #800080;">1</span> /etc/<span style="color: #000000;">sudoers </span><span style="color: #008080;user-select:none;">3</span> Defaults logfile=/<span style="color: #0000ff;">var</span>/log/<span style="color: #000000;">sudo.log </span><span style="color: #008080;user-select:none;">4</span> [root@s-<span style="color: #800080;">28</span> /]# visudo -<span style="color: #000000;">c </span><span style="color: #008080;user-select:none;">5</span> /etc/<span style="color: #000000;">sudoers: parsed OK </span><span style="color: #008080;user-select:none;">6</span> [root@s-<span style="color: #800080;">28</span> /]# </pre> </div> <h3><span style="font-family: 'Microsoft YaHei'; font-size: 13px;"> 3、重启syslog内核日志记录器(简单来说就是重启服务了)</span></h3> <div class="cnblogs_code"> <pre><span style="color: #008080;user-select:none;">1</span> [root@s-<span style="color: #800080;">28</span> /<span style="color: #000000;">]# systemctl restart rsyslog </span><span style="color: #008080;user-select:none;">2</span> [root@s-<span style="color: #800080;">28</span> /]# </pre> </div> <p><span style="font-family: 'Microsoft YaHei';"> 说到审计,有时候需要自定义审计规则,想了解的请参考下文哦:</span></p> <p class="col-article-title J-articleTitle">CentOS 7上编写自定义系统审计规则</p> </div> </span> </li> <li class="list-group-item ul-li"> <b>相关阅读:</b><br> <nobr> <a href="niaobulashi-p-16225431.html" target="_blank">NFS服务端和客户端的配置 </a> <br/><a href="hanzg-p-16210353.html" target="_blank">Linux下安装配置openjdk </a> <br/><a href="hanzg-p-16194686.html" target="_blank">fontawesome图标显示不出来 </a> <br/><a href="hanzg-p-16210198.html" target="_blank">linux修改/etc/profile文件 保存时提示文件是只读类型无法保存 </a> <br/><a href="alannxu-p-16198011.html" target="_blank">正则表达式入门(一) </a> <br/><a href="heyt-p-16227666.html" target="_blank">Windows安装mysql </a> <br/><a href="lyjun-p-16217572.html" target="_blank">千锋Flask学习笔记 </a> <br/><a href="ziwang520-p-16245532.html" target="_blank">java解析EasyExcel工具的使用 </a> <br/><a href="ziwang520-p-16220978.html" target="_blank">阿里云oss </a> <br/><a href="ziwang520-p-16224898.html" target="_blank">Nginx 请求转发 </a> <br/> </nobr> </li> <li class="list-group-item from-a mb-2"> 原文地址:https://www.cnblogs.com/liang-io/p/9617783.html </li> </ul> </div> <!-- 右侧开始 --> <div class="col-lg-4 col-sm-12"> <ul class="list-group" style="word-break:break-all;"> <li class="list-group-item ul-li-bg" aria-current="true"> 最新文章 </li> <li class="list-group-item ul-li"> <nobr> <a href="mutudou-p-16202511.html" target="_blank">使用 John the Ripper 破解 Windows 密码 </a> <br/><a href="mutudou-p-16202495.html" target="_blank">渗透测试之简单本地提权 </a> <br/><a href="mutudou-p-16202490.html" target="_blank">漏洞利用:Windows本地提权漏洞(CVE20211732) </a> <br/><a href="mutudou-p-16202498.html" target="_blank">破解 HTTP 密码 </a> <br/><a href="jankie1122-p-16207585.html" target="_blank">WebService 服务程序发布时报错:System.IO.FileLoadException: 未能加载文件或程序集“file:///F:\XXX”或它的某一个依赖项。拒绝访问。 </a> <br/><a href="zdyang-p-16199508.html" target="_blank">oracle、mysql、sqlserver相关 </a> <br/><a href="ljknlb-p-16229430.html" target="_blank">JavaSet集合的使用(上) </a> <br/><a href="ljknlb-p-16228941.html" target="_blank">JavaCollections类的使用 </a> <br/><a href="ljknlb-p-16242743.html" target="_blank">JavaMap集合的使用(下) </a> <br/><a href="ljknlb-p-16228406.html" target="_blank">JavaLinkedList集合的使用 </a> <br/> </nobr> </li> </ul> <ul class="list-group pt-2" style="word-break:break-all;"> <li class="list-group-item ul-li-bg" aria-current="true"> 热门文章 </li> <li class="list-group-item ul-li"> <nobr> <a href="ljknlb-p-16217829.html" target="_blank">JavaList集合的使用 </a> <br/><a href="ljknlb-p-16229717.html" target="_blank">JavaSet集合的使用(下) </a> <br/><a href="ljknlb-p-16213644.html" target="_blank">JavaCollection集合的Iterator </a> <br/><a href="ljknlb-p-16242644.html" target="_blank">JavaMap集合的使用(上) </a> <br/><a href="ljknlb-p-16224073.html" target="_blank">JavaListIterator的使用 </a> <br/><a href="ljknlb-p-16213551.html" target="_blank">JavaCollection接口的使用 </a> <br/><a href="BillBlog-p-16252362.html" target="_blank">SQL批量修改数据 </a> <br/><a href="polong-p-16247365.html" target="_blank">Apache Sedona 流数据处理入门 </a> <br/><a href="polong-p-16201638.html" target="_blank">MAPTALKS加载I3S </a> <br/><a href="niaobulashi-p-16223961.html" target="_blank">怀孕初期hcg正常值参考范围是多少 </a> <br/> </nobr> </li> </ul> </div> </div> </div> <!-- 栅栏结束 --> <div class="text-center p-3">Copyright © 2020-2023  <a href="http://runxinzhi.com" target="_blank">润新知</a> <!-- 引入底部 --> <!-- 底部开始 --> <!-- 百度自动推送js --> <script> (function(){ var bp = document.createElement('script'); 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