On Fri, Feb 6, 2009 at 6:06 PM, Dake K. Odzangba <odzangba@xxxxxxxxx> wrote:
> Hello, my system logs contain some pretty suspicious entries:
> Feb 6 09:57:20 mal-zeth nullmailer: Starting delivery: protocol: smtp
> host: mail. file: 1232786107.30076
> Feb 6 09:57:26 mal-zeth nullmailer: smtp: Failed: Connect failed
> Feb 6 09:57:26 mal-zeth nullmailer: Sending failed: Host not found
> Feb 6 09:57:26 mal-zeth nullmailer: Delivery complete, 5 message(s)
> I have no idea what it's trying to send out and the same sequence repeats
> itself every two minutes or so. I'm freaking out here... has my system been
First of all it fails to send whatever, so, at least less risk.
Second, do: last
It will list all login activities, see if you see suspicious.
locate one of the file: locate 1232786107.30076
Try what file it is and the content.
Last, if you don't need nullmailer, uninstall it.
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