[CentOS] an actual hacked machine, in a preserved state

Les Mikesell lesmikesell at gmail.com
Sun Jan 1 20:01:52 EST 2012


On Sun, Jan 1, 2012 at 4:23 PM, Bennett Haselton <bennett at peacefire.org> wrote:
>
> So, following people's suggestions, the machine is disconnected and hooked
> up to a KVM so I can still examine the files.  I've found this file:
> -rw-r--r-- 1 root root 1358 Oct 21 17:40 /home/file.pl
> which appears to be a copy of this exploit script:
> http://archive.cert.uni-stuttgart.de/bugtraq/2006/11/msg00302.html
> Note the last-mod date of October 21.

Did you do an rpm -Va to see if any installed files were modified
besides your own changes?  Even better if you have an old backup that
you can restore somewhere and run an rsync -avn against the old/new
instances.

>  Anywhere else that the logs would contain useful data?

/root/.bash_history might be interesting.  Obviously this would be
after the fact, but maybe they are trying to repeat the exploit with
this machine as a base.

-- 
  Les Mikesell
    lesmikesell at gmail.com


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