Linux之不同运维人员共用root账户权限审计

建站服务器

[root@open1~]#wgethttp://ftp.gnu.org/gnu/bash/bash-4.1.tar.gz[root@open1~]#tarxvfbash-4.1.tar.gz
[root@open1~]#cdbash-4.1

[root@open1bash-4.1]#vimconfig-top.c#defineSSH_SOURCE_BASHRC#defineSYSLOG_HISTORY

[root@open1bash-4.1]#vimbashhist.c
#...省略部分段落
void
bash_syslog_history(line)
constchar*line;
{chartrunc[SYSLOG_MAXLEN];
constchar*p;
p=getenv(NAME_OF_KEY);if(strlen(line)
[root@open1bash-4.1]#./configure--prefix=/usr/local/bash_new
[root@open1bash-4.1]#make&&makeinstall...iftestbash=gettext-tools;then\\
/bin/sh/root/bash-4.1/./support/mkinstalldirs/usr/local/bash_new/share/gettext/po;\\forfileinMakefile.in.inremove-potcdate.sinquot.sedboldquot.seden@quot.headeren@boldquot.headerinsert-header.sinRules-quotMakevars.template;do\\
/usr/bin/install-c-m644./$file\\
/usr/local/bash_new/share/gettext/po/$file;\\done;\\forfileinMakevars;do\\rm-f/usr/local/bash_new/share/gettext/po/$file;\\done;\\else\\
:;\\fimake[1]:Leavingdirectory`/root/bash-4.1/po\'
[root@open1bash-4.1]#echo/usr/local/bash_new/bin/bash>>/etc/shells
[root@open1bash-4.1]#cat/etc/shells
/bin/sh/bin/bash
/sbin/nologin
/bin/dash
/usr/local/bash_new/bin/bash
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[root@open1bash-4.1]#vim/etc/passwdroot:x:0:0:root:/root:/usr/local/bash_new/bin/bash
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-C 注释 （加上这个也是为了最后进行对服务器访问人员进行辨别的一个关键点）
[root@rsyslog~]#ssh-copy-id-i/root/.ssh/id_rsa.pubroot@192.168.30.72root@192.168.30.72\'spassword:Nowtryloggingintothemachine,withssh\'root@192.168.30.72\',andcheckin:

.ssh/authorized_keys

tomakesurewehaven\'taddedextrakeysthatyouweren\'texpecting.
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[root@swift3~]#ssh-copy-id-i/root/.ssh/id_rsa.pubroot@192.168.30.72Theauthenticityofhost\'192.168.30.72(192.168.30.72)\'can\'tbeestablished.RSAkeyfingerprintis8f:a7:1b:8d:e4:92:ad:ae:ea:1b:fb:67:0b:0b:7c:ac.
Areyousureyouwanttocontinueconnecting(yes/no)?yes
Warning:Permanentlyadded\'192.168.30.72\'(RSA)tothelistofknownhosts.
root@192.168.30.72\'spassword:Nowtryloggingintothemachine,withssh\'root@192.168.30.72\',andcheckin:

.ssh/authorized_keys

tomakesurewehaven\'taddedextrakeysthatyouweren\'texpecting.
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[root@open1~]#touch/var/log/keys
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[root@open1~]#echotest-f/etc/CheckUser.sh&&./etc/CheckUser.sh>>/etc/profile
[root@open1~]#tail-1f/etc/bashrc
test-z$BASH_EXECUTION_STRING||{test-f/etc/CheckUser.sh&&./etc/CheckUser.sh;logger-t-bash-sHISTORY$SSH_CLIENTUSER=$NAME_OF_KEYCMD=$BASH_EXECUTION_STRING>/dev/null2>&1;}
[root@open1~]#sed-i\'s/#LogLevelINFO/LogLevelDEBUG/g\'/etc/ssh/sshd_config
[root@open1~]#servicesshdrestart
Stoppingsshd:[OK]
Startingsshd:[OK]
            

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