前言
由于没有相关自动化安全检查基线设备,为了方便自己工作,写了个shell脚本,批量登陆、执行、提取远程服务器数据。
脚本说明
1.将本目录所有文件都放入到一台自己的本地linux主机同一目录下
2.将服务器IP、普通账号、普通账号密码、root密码依次按以下格式写入到hosts.txt中(注意“~”作为hosts.txt的分隔符):
192.168.1.81~user~123456~nothing
192.168.1.10~user~123456~nothing
192.168.1.11~user~123456~nothing
3.执行sh login.sh,脚本将自动批量上传checklinux.sh到服务器/tmp目录下,并且自动执行和自动上传结果到本地linux主机上
4.最后将服务器上传的脚本和结果自动删除
(注意:本脚本适用于linux系统)
主脚本login.sh(用于批量调用put.exp、sh.exp、get.exp、del.exp无交互脚本)
#!/bin/bash #version 2.0 #author by 網菔務卐 cat <<EOF ************************************************************************************* *****使用说明: ** ***** 1.由于安全方面root可能无法远程登陆,所以本程序是先登陆普通用户在su到root用户 最后使用root执行login.sh脚本实现无交互批量登陆 ** ***** 2.使用普通用户上传须可对/tmp目录读写执行权限 ** ***** 3.远程服务器执行检查脚本和输出结果都在/tmp目录下面 ** ***** 4.远程服务器执行完脚本后将会上传到本地/tmp目录下 ** ***** 5.远程服务器将会自动删除checklinux.sh和输出结果 ** ************************************************************************************* EOF for i in `cat hosts.txt` do #远程IP地址 ipadd=`echo $i | awk -F "[~]" '{print $1}'` #普通用户 username=`echo $i | awk -F "[~]" '{print $2}'` #普通用户密码 userpasswd=`echo $i | awk -F "[~]" '{print $3}'` #root用户密码 rootpasswd=`echo $i | awk -F "[~]" '{print $4}'` #传checklinux expect put.exp $ipadd $username $userpasswd #登陆执行checklinux expect sh.exp $ipadd $username $userpasswd $rootpasswd #从远程拿取结果 expect get.exp $ipadd $username $userpasswd #删除远程结果和脚本 expect del.exp $ipadd $username $userpasswd $rootpasswd done
checklinux.sh安全检查脚本
#!/bin/bash #version 2.0 #author by 網菔務卐 cat <<EOF ************************************************************************************* ***** linux基线检查脚本 ***** ************************************************************************************* ***** linux基线配置规范设计 ***** ***** 输出结果/tmp/${ipadd}_out.txt ***** ************************************************************************************* EOF echo "***************************" echo "账号策略检查中..." echo "***************************" ipadd=`ifconfig -a | grep Bcast | awk -F "[ :]+" '{print $4}'` passmax=`cat /etc/login.defs | grep PASS_MAX_DAYS | grep -v ^# | awk '{print $2}'` passmin=`cat /etc/login.defs | grep PASS_MIN_DAYS | grep -v ^# | awk '{print $2}'` passlen=`cat /etc/login.defs | grep PASS_MIN_LEN | grep -v ^# | awk '{print $2}'` passage=`cat /etc/login.defs | grep PASS_WARN_AGE | grep -v ^# | awk '{print $2}'` if [ $passmax -le 90 -a $passmax -gt 0];then echo "口令生存周期为${passmax}天,符合要求" >> /tmp/${ipadd}_out.txt else echo "口令生存周期为${passmax}天,不符合要求,建议设置不大于90天" >> /tmp/${ipadd}_out.txt fi if [ $passmin -ge 6 ];then echo "口令更改最小时间间隔为${passmin}天,符合要求" >> /tmp/${ipadd}_out.txt else echo "口令更改最小时间间隔为${passmin}天,不符合要求,建议设置大于等于6天" >> /tmp/${ipadd}_out.txt fi if [ $passlen -ge 8 ];then echo "口令最小长度为${passlen},符合要求" >> /tmp/${ipadd}_out.txt else echo "口令最小长度为${passlen},不符合要求,建议设置最小长度大于等于8" >> /tmp/${ipadd}_out.txt fi if [ $passage -ge 30 -a $passage -lt $passmax ];then echo "口令过期警告时间天数为${passage},符合要求" >> /tmp/${ipadd}_out.txt else echo "口令过期警告时间天数为${passage},不符合要求,建议设置大于等于30并小于口令生存周期" >> /tmp/${ipadd}_out.txt fi echo "***************************" echo "账号是否会主动注销检查中..." echo "***************************" cat /etc/profile | grep TMOUT | awk -F[=] '{print $2}' if [ $? -eq 0 ];then TMOUT=`cat /etc/profile | grep TMOUT | awk -F[=] '{print $2}'` if [ $TMOUT -le 600 -a $TMOUT -ge 10 ];then echo "账号超时时间${TMOUT}秒,符合要求" >> /tmp/${ipadd}_out.txt else echo "账号超时时间${TMOUT}秒,不符合要求,建议设置小于600秒" >> /tmp/${ipadd}_out.txt fi else echo "账号超时不存在自动注销,不符合要求,建议设置小于600秒" >> /tmp/${ipadd}_out.txt fi #grub和lilo密码是否设置检查 cat /etc/grub.conf | grep password 2> /dev/null if [ $? -eq 0 ];then echo "已设置grub密码,符合要求" >> /tmp/${ipadd}_out.txt else echo "没有设置grub密码,不符合要求,建议设置grub密码" >> /tmp/${ipadd}_out.txt fi cat /etc/lilo.conf | grep password 2> /dev/null if [ $? -eq 0 ];then echo "已设置lilo密码,符合要求" >> /tmp/${ipadd}_out.txt else echo "没有设置lilo密码,不符合要求,建议设置lilo密码" >> /tmp/${ipadd}_out.txt fi #查找非root账号UID为0的账号 UIDS=`awk -F[:] 'NR!=1{print $3}' /etc/passwd` flag=0 for i in $UIDS do if [ $i = 0 ];then echo "存在非root账号的账号UID为0,不符合要求" >> /tmp/${ipadd}_out.txt else flag=1 fi done if [ $flag = 1 ];then echo "不存在非root账号的账号UID为0,符合要求" >> /tmp/${ipadd}_out.txt fi #检查umask设置 umask1=`cat /etc/profile | grep umask | grep -v ^# | awk '{print $2}'` umask2=`cat /etc/csh.cshrc | grep umask | grep -v ^# | awk '{print $2}'` umask3=`cat /etc/bashrc | grep umask | grep -v ^# | awk 'NR!=1{print $2}'` flags=0 for i in $umask1 do if [ $i = "027" ];then echo "/etc/profile文件中所设置的umask为${i},符合要求" >> /tmp/${ipadd}_out.txt else flags=1 fi done if [ $flags = 1 ];then echo "/etc/profile文件中所所设置的umask为${i},不符合要求,建议设置为027" >> /tmp/${ipadd}_out.txt fi flags=0 for i in $umask2 do if [ $i = "027" ];then echo "/etc/csh.cshrc文件中所设置的umask为${i},符合要求" >> /tmp/${ipadd}_out.txt else flags=1 fi done if [ $flags = 1 ];then echo "/etc/csh.cshrc文件中所所设置的umask为${i},不符合要求,建议设置为027" >> /tmp/${ipadd}_out.txt fi flags=0 for i in $umask3 do if [ $i = "027" ];then echo "/etc/bashrc文件中所设置的umask为${i},符合要求" >> /tmp/${ipadd}_out.txt else flags=1 fi done if [ $flags = 1 ];then echo "/etc/bashrc文件中所设置的umask为${i},不符合要求,建议设置为027" >> /tmp/${ipadd}_out.txt fi echo "***************************" echo "检查重要文件权限中..." echo "***************************" file1=`ls -l /etc/passwd | awk '{print $1}'` file2=`ls -l /etc/shadow | awk '{print $1}'` file3=`ls -l /etc/group | awk '{print $1}'` file4=`ls -l /etc/securetty | awk '{print $1}'` file5=`ls -l /etc/services | awk '{print $1}'` file6=`ls -l /etc/xinetd.conf | awk '{print $1}'` file7=`ls -l /etc/grub.conf | awk '{print $1}'` file8=`ls -l /etc/lilo.conf | awk '{print $1}'` if [ $file1 = "-rw-r--r--" ];then echo "/etc/passwd文件权限为644,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/passwd文件权限不为644,不符合要求,建议设置权限为644" >> /tmp/${ipadd}_out.txt fi if [ $file2 = "-r--------" ];then echo "/etc/shadow文件权限为400,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/shadow文件权限不为400,不符合要求,建议设置权限为400" >> /tmp/${ipadd}_out.txt fi if [ $file3 = "-rw-r--r--" ];then echo "/etc/group文件权限为644,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/group文件权限不为644,不符合要求,建议设置权限为644" >> /tmp/${ipadd}_out.txt fi if [ $file4 = "-rw-------" ];then echo "/etc/security文件权限为600,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/security文件权限不为600,不符合要求,建议设置权限为600" >> /tmp/${ipadd}_out.txt fi if [ $file5 = "-rw-r--r--" ];then echo "/etc/services文件权限为644,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/services文件权限不为644,不符合要求,建议设置权限为644" >> /tmp/${ipadd}_out.txt fi if [ $file6 = "-rw-------" ];then echo "/etc/xinetd.conf文件权限为600,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/xinetd.conf文件权限不为600,不符合要求,建议设置权限为600" >> /tmp/${ipadd}_out.txt fi if [ $file7 = "-rw-------" ];then echo "/etc/grub.conf文件权限为600,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/grub.conf文件权限不为600,不符合要求,建议设置权限为600" >> /tmp/${ipadd}_out.txt fi if [ -f /etc/lilo.conf ];then if [ $file8 = "-rw-------" ];then echo "/etc/lilo.conf文件权限为600,符合要求" >> /tmp/${ipadd}_out.txt else echo "/etc/lilo.conf文件权限不为600,不符合要求,建议设置权限为600" >> /tmp/${ipadd}_out.txt fi else echo "/etc/lilo.conf文件夹不存在" fi cat /etc/security/limits.conf | grep -V ^# | grep core if [ $? -eq 0 ];then soft=`cat /etc/security/limits.conf | grep -V ^# | grep core | awk {print $2}` for i in $soft do if [ $i = "soft" ];then echo "* soft core 0 已经设置" >> /tmp/${ipadd}_out.txt fi if [ $i = "hard" ];then echo "* hard core 0 已经设置" >> /tmp/${ipadd}_out.txt fi done else echo "没有设置core,建议在/etc/security/limits.conf中添加* soft core 0和* hard core 0" >> /tmp/${ipadd}_out.txt fi echo "***************************" echo "检查ssh配置文件中..." echo "***************************" cat /etc/ssh/sshd_config | grep -v ^# |grep "PermitRootLogin no" if [ $? -eq 0 ];then echo "已经设置远程root不能登陆,符合要求" >> /tmp/${ipadd}_out.txt else echo "不已经设置远程root不能登陆,不符合要求,建议/etc/ssh/sshd_config添加PermitRootLogin no" >> /tmp/${ipadd}_out.txt fi #检查telnet是否开启 telnetd=`cat /etc/xinetd.d/telnet | grep disable | awk '{print $3}'` if [ $telnetd = "yes" ];then echo "检测到telnet服务开启,不符合要求,建议关闭telnet" >> /tmp/${ipadd}_out.txt fi Protocol=`cat /etc/ssh/sshd_config | grep -v ^# | grep Protocol | awk '{print $2}'` if [ $Protocol = 2 ];then echo "openssh使用ssh2协议,符合要求" >> /tmp/${ipadd}_out.txt fi if [ $Protocol = 1 ];then echo "openssh使用ssh1协议,不符合要求" >> /tmp/${ipadd}_out.txt fi #检查保留历时命令条数 HISTSIZE=`cat /etc/profile|grep HISTSIZE|head -1|awk -F[=] '{print $2}'` if [ $HISTSIZE -eq 5 ];then echo "保留历时命令条数为$HISTSIZE,符合要求" >> /tmp/${ipadd}_out.txt else echo "保留历时命令条数为$HISTSIZE,不符合要求,建议/etc/profile的HISTSIZE设置为5" >> /tmp/${ipadd}_out.txt fi #检查重要文件的属性 flag=0 for ((x=1;x<=15;x++)) do apend=`lsattr /etc/passwd | cut -c $x` if [ $apend = "i" ];then echo "/etc/passwd文件存在i安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi if [ $apend = "a" ];then echo "/etc/passwd文件存在a安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi done if [ $flag = 0 ];then echo "/etc/passwd文件不存在相关安全属性,建议使用chattr +i或chattr +a防止/etc/passwd被删除或修改" >> /tmp/${ipadd}_out.txt fi flag=0 for ((x=1;x<=15;x++)) do apend=`lsattr /etc/shadow | cut -c $x` if [ $apend = "i" ];then echo "/etc/shadow文件存在i安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi if [ $apend = "a" ];then echo "/etc/shadow文件存在a安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi done if [ $flag = 0 ];then echo "/etc/shadow文件不存在相关安全属性,建议使用chattr +i或chattr +a防止/etc/shadow被删除或修改" >> /tmp/${ipadd}_out.txt fi flag=0 for ((x=1;x<=15;x++)) do apend=`lsattr /etc/gshadow | cut -c $x` if [ $apend = "i" ];then echo "/etc/gshadow文件存在i安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi if [ $apend = "a" ];then echo "/etc/gshadow文件存在a安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi done if [ $flag = 0 ];then echo "/etc/gshadow文件不存在相关安全属性,建议使用chattr +i或chattr +a防止/etc/gshadow被删除或修改" >> /tmp/${ipadd}_out.txt fi flag=0 for ((x=1;x<=15;x++)) do apend=`lsattr /etc/group | cut -c $x` if [ $apend = "i" ];then echo "/etc/group文件存在i安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi if [ $apend = "a" ];then echo "/etc/group文件存在a安全属性" >> /tmp/${ipadd}_out.txt flag=1 fi done if [ $flag = 0 ];then echo "/etc/group文件不存在相关安全属性,建议使用chattr +i或chattr +a防止/etc/group被删除或修改" >> /tmp/${ipadd}_out.txt fi #检查snmp默认团体口令public、private if [ -f /etc/snmp/snmpd.conf ];then public=`cat /etc/snmp/snmpd.conf | grep public | grep -v ^# | awk '{print $4}'` private=`cat /etc/snmp/snmpd.conf | grep private | grep -v ^# | awk '{print $4}'` if [ $public = "public" ];then echo "发现snmp服务存在默认团体名public,不符合要求" >> /tmp/${ipadd}_out.txt fi if [[ $private = "private" ]];then echo "发现snmp服务存在默认团体名private,不符合要求" >> /tmp/${ipadd}_out.txt fi else echo "snmp服务配置文件不存在,可能没有运行snmp服务" fi #检查主机信任关系 rhosts=`find / -name .rhosts` rhosts2=`find / -name hosts.equiv` for i in $rhosts do if [ -f $i ];then echo "找到信任主机关系,请查看${i}文件,请自行判断是否属于正常业务需求,建议删除信任IP" >> /tmp/${ipadd}_out.txt fi done #检查日志审核功能是否开启 service auditd status if [ $? = 0 ];then echo "系统日志审核功能已开启,符合要求" >> /tmp/${ipadd}_out.txt fi if [ $? = 3 ];then echo "系统日志审核功能已关闭,不符合要求,建议service auditd start开启" >> /tmp/${ipadd}_out.txt fi #检查磁盘动态空间,是否大于等于80% space=`df -h | awk -F "[ %]+" 'NR!=1{print $5}'` for i in $space do if [ $i -ge 80 ];then echo "警告!磁盘存储容量大于80%,建议扩充磁盘容量或者删除垃圾文件" >> /tmp/${ipadd}_out.txt fi done echo "***************************" echo "*** 检查完毕 ***" echo "***************************"
put.exp上传checklinux.sh脚本到远程服务器/tmp目录下
#!/usr/bin/expect set ipadd [lindex $argv 0] set username [lindex $argv 1] set userpasswd [lindex $argv 2] set timeout 10 spawn scp checklinux.sh $username@$ipadd:/tmp/ expect { "yes/no" {send "yes/r";exp_continue} "password" {send "$userpasswd/r"} } expect eof
sh.exp 批量远程登陆和执行,将结果放到/tmp目录下
#!/usr/bin/expect set ipaddr [lindex $argv 0] set username [lindex $argv 1] set userpasswd [lindex $argv 2] set rootpasswd [lindex $argv 3] set timeout 10 spawn ssh $username@$ipaddr expect { "yse/no" {send "yes/r";exp_continue} "*password*" {send "$userpasswd/r";exp_continue} "*from*" {send "su - root/r"} } expect "Password" send "$rootpasswd/r" expect "*]#" send "chmod 777 /tmp/checklinux.sh/r" send "sh /tmp/checklinux.sh/r" send "exit/r" send "exit/r" interact
get.exp批量获取远程结果放到本地/tmp目录
#!/usr/bin/expect set ipadd [lindex $argv 0] set username [lindex $argv 1] set userpasswd [lindex $argv 2] set timeout 10 spawn scp $username@$ipadd:/tmp/*${ipadd}* /tmp/ expect { "password" {send "$userpasswd/r"} } expect eof
del.exp批量远程删除上传的脚本和结果
#!/usr/bin/expect set ipadd [lindex $argv 0] set username [lindex $argv 1] set userpasswd [lindex $argv 2] set rootpasswd [lindex $argv 3] set timeout 10 spawn ssh $username@$ipadd expect { "password" {send "$userpasswd/r";exp_continue} "*from*" {send "su - root/r";exp_continue} "*assword*" {send "$rootpasswd/r";exp_continue} "*]#" {send "rm -f /tmp/*${ipadd}*.txt /tmp/checklinux.sh/r"} } expect eof
下载链接:https://pan.baidu.com/s/1midiPfE
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/55265.html