Test with Chkrootkit

Geoffrey Leach geoff at direcway.com
Sun Jul 25 22:26:41 UTC 2004


On 07.25 13:44, Gene Heskett wrote:
> On Sunday 25 July 2004 11:52, Norman Nunn wrote:
> >I got the following indicators:
> >
> >ls INFECTED
> >22 process hidden for readdir command
> >22 process hidden for ps command
> >Warning: Possible LKM Trojan installed
> 
> Yup, you've been rooted, pull the network cable and see if you can
> reboot to the distribution and refresh the other tools, like ls, top,
> and a bunch of others.  You may have to get aquainted with a command
> called chattr because these jerks tend to set the immutable bit on
> their replacement versions.
>

> >On Sun, 2004-07-25 at 08:43, Scot L. Harris wrote:
> >> On Sun, 2004-07-25 at 11:36, Norman Nunn wrote:
> >> > In checking the chkrootkit website, I noticed that chkrootkit
> >> > had not been tested (or completed testing) with the 2.6 kernel.
> >> > Is it reliable for FC2?  I have some indicator that may prompt
> >> > me to do a fresh reinstall and would appreciate input before I
> >> > go to that effort. Clamscan did not pickup anything for me.

To further analyze the problem, run ./chkproc -v to get a list of the  
hidden processes, then run cat /proc/<pid>/cmd to see the processes  
that are hidden.

BTW, I'm using version 0.43 on a 2.6 kernel.  Works fine, as far as I  
can tell.





More information about the fedora-list mailing list