打赏 jQuery火箭图标返回顶部代码</h3> <div> <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> </div> </section> </article> </div> <div class="bg" style="margin-top:15px;margin-bottom:15px;"> <!-- <b> 【推广】 <a href="/admin.php">云服务器低至0.95折 1核2G ECS云服务器8.1元/月</a> </b> <br/> --> <b> 【推广】 <a href="http://www.wjhsh.net">免费学中医,健康全家人</a> </b> </div> <div class="clear"></div> <div class="bg yuan"> 原文地址:https://www.cnblogs.com/liang-io/p/9617783.html </div> </div> <div class="right"> <ul> <li> <b>推荐文章</b> </li> <li class="one"> <a href="/yechanglv-p-6935599.html" target="_blank">python——网络编程</a> </li><li class="one"> <a href="/yechanglv-p-6931444.html" target="_blank">对 Servlet 的改进</a> </li><li class="one"> <a href="/boundless-sky-p-7083293.html" target="_blank">Linux tar压缩命令 排除某个目录 && 排除某种格式后缀文件</a> </li><li class="one"> <a href="/boundless-sky-p-7073052.html" target="_blank">sublime ctags跳转函数使用</a> </li><li class="one"> <a href="/boundless-sky-p-7068187.html" target="_blank">windows 下的常用工具</a> </li><li class="one"> <a href="/boundless-sky-p-7054414.html" target="_blank">nginx配置location总结及rewrite规则写法(2)</a> </li><li class="one"> <a href="/boundless-sky-p-7054020.html" target="_blank">nginx配置location总结及rewrite规则写法(1)</a> </li><li class="one"> <a href="/boundless-sky-p-7018211.html" target="_blank">PHP+Ajax点击加载更多内容</a> </li><li class="one"> <a href="/boundless-sky-p-6972867.html" target="_blank">PHP如何自定义PHP内置函数</a> </li><li class="one"> <a href="/boundless-sky-p-6972269.html" target="_blank">PHP命名空间</a> </li><li class="one"> <a href="/boundless-sky-p-6970972.html" target="_blank">PHP函数总结(个人版)</a> </li><li class="one"> <a href="/boundless-sky-p-6961457.html" target="_blank">自定义putty主题</a> </li><li class="one"> <a href="/xmai-p-3919494.html" target="_blank">Entity Framework(Fluent API)</a> </li><li class="one"> <a href="/xmai-p-6744950.html" target="_blank">Entity Framework Code First(概要)</a> </li><li class="one"> <a href="/xmai-p-6704987.html" target="_blank">EasyUI扩展——自定义列排序匹配字段</a> </li><li class="one"> <a href="/xmai-p-4305480.html" target="_blank">Quartz.NET开源作业调度架构</a> </li><li class="one"> <a href="/xmai-p-5311765.html" target="_blank">Photon开发实战(2)——开发框架、第一个Photon程序</a> </li><li class="one"> <a href="/xmai-p-5292211.html" target="_blank">Photon引擎开发实战(1)——Photon 简介</a> </li><li class="one"> <a href="/xmai-p-5288315.html" target="_blank">DisUnity——Unity3D反编译资源提取利刃</a> </li><li class="one"> <a href="/xmai-p-4797770.html" target="_blank">负载均衡:概述-四/七层负载</a> </li><li class="one"> <a href="/xmai-p-4402160.html" target="_blank">MongoDB</a> </li><li class="one"> <a href="/xmai-p-4437604.html" target="_blank">Redis:C#使用Redis</a> </li><li class="one"> <a href="/anruy-p-4919418.html" target="_blank">最大化 AIX 上的 Java 性能,第 4 部分: 监视流量</a> </li><li class="one"> <a href="/anruy-p-4919403.html" target="_blank">最大化 AIX 上的 Java 性能,第 3 部分: 更多就是更好</a> </li><li class="one"> <a href="/anruy-p-4919400.html" target="_blank">最大化 AIX 上的 Java 性能,第 2 部分: 速度需求</a> </li><li class="one"> <a href="/anruy-p-4919366.html" target="_blank">最大化 AIX 上的 Java 性能,第 1 部分: 基础</a> </li><li class="one"> <a href="/anruy-p-4917154.html" target="_blank">阿里面试重点总结</a> </li><li class="one"> <a href="/anruy-p-4910433.html" target="_blank">函数库学习入门指引</a> </li><li class="one"> <a href="/anruy-p-4910370.html" target="_blank">OracleAWR删除历史快照说明</a> </li><li class="one"> <a href="/anruy-p-4906616.html" target="_blank">ActiveMQ实现负载均衡+高可用部署方案(转)</a> </li> </ul> </div> <div class="clear"></div> <div class="bg center"> <footer> <p>Copyright 2008-2020 <a href="https://beian.miit.gov.cn/" target="_blank">©晋ICP备16003840号-1</a> </p> </footer> <!-- <div class="clear"></div> --> </div> </div> <!-- 百度自动推送js --> <script> (function(){ var bp = document.createElement('script'); 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