brute force ssh attack

[Jan Schaefer]

Hi,

> My question is:  They did not guess the root password, 
> how did they manipulate files which are only writable 
> by root???

The following articles at wikipedia should give you an idea what was
going on on your maschine:

http://en.wikipedia.org/wiki/Exploit_%28computer_security%29
http://en.wikipedia.org/wiki/Rootkit

Hope that helps,

Jan

P.S. I would recommend an clean re-install. You never know what things
are sleeping and hiding on your maschine now...
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