【信息安全系列】AIX主机安全检查脚本

#!/bin/ksh

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##  It was used for AIX OS Security configuration check ##
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##检查主机是否关闭了不必要的服务##
echo ‘###检查主机是否关闭了不必要的服务###‘
cat /etc/inetd.conf |sed ‘/^#/d‘|sed ‘/^$/d‘|egrep "uucp|bootps|finger|tftp|ntalk|discard|daytime|chargen|sendmail"
echo "result="`cat /etc/inetd.conf |sed ‘/^#/d‘|sed ‘/^$/d‘|egrep "uucp|bootps|finger|tftp|ntalk|discard|daytime|chargen|sendmail"|wc -l`
##检查用户口令策略是否符合安全要求##
echo ‘###检查用户口令策略是否符合安全要求###‘
lssec -f /etc/security/user -s default -a minlen -a minalpha -a mindiff -a minother -a pwdwarntime -a histexpire -a histsize -a loginretries
##检查FTP是否禁止匿名登录##
echo ‘###检查FTP是否禁止匿名登录###‘

##检查SNMP是否修改默认通讯字符串##
echo ‘###检查SNMP是否修改默认通讯字符串###‘
cat /etc/rc.tcpip|grep snmp
cat /etc/snmpd.conf|egrep "public|private"|grep -v "#"
##检查操作系统帐号是否存在弱口令。##
echo ‘###检查操作系统帐号是否存在弱口令。###‘
cat /etc/security/passwd
##检查系统是否启用信任主机方式，配置文件是否配置妥当；##
echo ‘###检查系统是否启用信任主机方式，配置文件是否配置妥当；###‘
cat /.rhosts|grep "++"
cat /etc/hosts.equiv|grep "++"
##设备安全事件审计##
echo ‘###设备安全事件审计###‘
        cat /etc/syslog.conf |sed ‘/^#/d‘|sed ‘/^$/d‘|awk ‘($2!~/\*/ && $2!~/-/) {printf $1"\t"$2"\n"}‘
##检测特定系统自带的与设备运行、维护等工作无关的账号是否被删除或锁定##
echo ‘###检测特定系统自带的与设备运行、维护等工作无关的账号是否被删除或锁定###‘
        lsuser -a login rlogin "ALL" |egrep "deamon|bin|sys|adm|uucp|nuucp|printq|guest|nobody|lpd"
##密码文件的访问权限##
echo ‘###密码文件的访问权限###‘
uname
ls -ld /etc/passwd /etc/group /etc/security | awk ‘{print $1":"$9}‘
##检查root是否可以直接登录##
echo ‘###检查root是否可以直接登录###‘
SSHSTATUS=`netstat -an|grep -i listen|grep -w "\*.22"|wc -l`
TELSTATUS=`netstat -an|grep -i listen|grep -w "\*.23"|wc -l`
if [ $SSHSTATUS != 0 ];
then echo "result_ssh="`cat /etc/ssh/sshd_config |sed ‘/^#/d‘|sed ‘/^$/d‘|grep "PermitRootLogin no"|wc -l`;
else echo "result_ssh=1";
fi
if [ $TELSTATUS != 0 ];
then echo "result_telnet="`lssec -f /etc/security/user -s root -a rlogin|grep "false"|wc -l`;
else echo "telnet not running ,result_telnet=1";
fi
unset SSHSTATUS TELSTATUS
##检查SSH安全配置##
echo ‘###检查SSH安全配置###‘
        grep "Protocol" /etc/ssh/sshd_config|grep -v ‘^#‘
##检查是否设置帐户定时自动登出##
echo ‘###检查是否设置帐户定时自动登出###‘
grep "^TMOUT" /etc/profile /etc/environment /etc/security/.profile
##检查补丁更新情况##
echo ‘###检查补丁更新情况###‘
oslevel -r
instfix -i|grep `oslevel -r`|grep ML