Re: rootkit entertainment

From: Alex Brock (alexbrockat_private)
Date: Tue Jun 05 2001 - 15:26:54 PDT

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    Alvin Oga wrote:
    > 
    > hi ya
    > 
    > i've been checking my tripwire logs more carefully
    > due to the other rootkit in my lan...
    > 
    > found another rootkit in another dns server at a different
    > domain/building/isp
    > - they installed cyberkit.tgz into /etc/named/
    > 
    > - i dont think they did anything... no other files found
    > ( that server does not have tar installed :-)
    > 
    > - it is a rh-6.0 that was patched to bind-8.2.3-REL
    > but looks like the rpm patch failed ???
    > 
    > ==>> dont trust that rpm finished properly ?? ===
    > 
    > - i reinstalled the bind patch again...
    > 
    > - for now... thats where i'm pointing the finger...
    > ( that its an oops...on patch installs across the net/lan
    > 
    > - there is also one ftp connect entry for that time
    > about 3 minute before the time stamp for cyberkit.tgz
    > ( wu-2.6.0(1) )
    > - time to patch that anonymous ftpd one ...
    > 
    > by now...
    > i think they've figured out that they need to bring along 
    > a statically linked tar separately to unpack their kit...
    > 
    > have fun
    > alvin
    > http://www.Linux-Sec.net
    > 
    > 
    > 
    > my local copy:
    > http://Lsec.Linux-Consulting.com/Hacker_Tools_Found/
    > 
    > - the contents of cyberkit.tgz ( not listed at packetstrom either )
    > tar ztvf cyberkit.tgz
    > 
    > drwxr-xr-x 834/xfs           0 2001-05-22 23:03 CyberRK/
    > drwxr-xr-x 834/xfs           0 2000-09-13 02:50 CyberRK/dev/
    > -rw-r--r-- 834/xfs          26 2001-05-22 23:03 CyberRK/dev/.1addr
    > -rw-r--r-- 834/xfs          21 1999-09-09 08:48 CyberRK/dev/.1logz
    > -rw-r--r-- 834/xfs          60 2001-02-28 21:22 CyberRK/dev/.1proc
    > -rw-r--r-- 834/xfs          72 2000-06-16 21:55 CyberRK/dev/.1file
    > -rwxr-xr-x 834/xfs       57452 1999-03-29 14:05 CyberRK/find
    > -rwxr-xr-x 834/xfs          18 2001-04-16 11:21 CyberRK/hack
    > -rwxr-xr-x 834/xfs       53364 2001-04-11 00:15 CyberRK/netstat
    > -rwxr-xr-x 834/xfs        4568 2000-09-13 03:43 CyberRK/pg
    > -rwxr-xr-x 834/xfs       13184 2000-08-22 11:28 CyberRK/pstree
    > -rw-r--r-- 834/xfs      100424 2000-08-23 07:47 CyberRK/ssh.tgz
    > -rwxr-xr-x 834/xfs        1382 2000-07-24 23:07 CyberRK/sz
    > -rwxr-xr-x 834/xfs        7724 2001-05-22 23:03 CyberRK/t0rn
    > -rwxr-xr-x 834/xfs      266140 1999-04-03 10:09 CyberRK/top
    > -rwx------ 834/xfs        7165 1998-08-06 03:36 CyberRK/linsniffer
    > -rwx------ 834/xfs          75 1999-10-28 14:11 CyberRK/logclear
    > -rwxr-xr-x 834/xfs        4060 1999-03-05 06:59 CyberRK/sense
    > -rwx------ qmaill/502     8268 1999-10-16 06:13 CyberRK/sl3
    > drwxr-xr-x 711/users         0 2001-05-22 23:03 CyberRK/.t0rn/
    > .. end of list ...
    > 
    
    I recently found the same thing on one of my machines.
    
    drwxr-xr-x   4 834      xfs          1024 May 23 06:03 CyberRK
    drwxr-xr-x   2 834      xfs          1024 Sep 13  2000 dev
    -rwxr-xr-x   1 834      xfs         57452 Mar 29  1999 find
    -rwxr-xr-x   1 834      xfs            18 Apr 16 18:21 hack
    -rwx------   1 834      xfs          7165 Aug  6  1998 linsniffer
    -rwx------   1 834      xfs            75 Oct 28  1999 logclear
    -rwxr-xr-x   1 834      xfs         53364 Apr 11 07:15 netstat
    -rwxr-xr-x   1 834      xfs          4568 Sep 13  2000 pg
    -rwxr-xr-x   1 834      xfs         13184 Aug 22  2000 pstree
    -rwxr-xr-x   1 834      xfs          4060 Mar  5  1999 sense
    -rwx------   1 qmaill   502          8268 Oct 16  1999 sl3
    -rw-r--r--   1 834      xfs        100424 Aug 23  2000 ssh.tgz
    -rwxr-xr-x   1 834      xfs          1382 Jul 25  2000 sz
    -rwxr-xr-x   1 834      xfs          7724 May 23 06:03 t0rn
    -rwxr-xr-x   1 834      xfs        266140 Apr  3  1999 top
    



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