On Tue, 12 Mar 2013 00:19:27 +0100
Sergey Spiridonov <s...@hurd.homeunix.org> wrote:

> Hi Debian
> 
> Just detected several modified binaries on one of my Debian Squeeze
> 32 bit, like /usr/bin/passwd, /bin/dash, /sbin/hdparm, /usr/bin/skype
> etc. Modified files are bigger in size, but debsums does not complain
> about them. I tried clamscan and avast on this binaries on another
> host, they did not find anything. I also tried chkrootkit and
> rkhunter (but I did not get possibility to boot from safe media yet).
> 
> You can find some good and binaries here [1]. This virus/rootkit
> seems to be clever enough to deceive debsums, so it is Debian-related.
> 
> 1. http://hurd.homeunix.org/~sena/bad-skype/
> 
> If I reinstall binaries, they become normal size, but become changed 
> again after reboot.
> 
> Any ideas? What else needs to be done? Currently I am going to
> reinstall Debian box.

No solution, but how did you find out about the changed size?


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