Re: [gentoo-user] I've been hacked.

["Norman Rieß" <norman@smash-net.org>]

Am 05/11/10 08:54, schrieb Grant:
>>> I nmap'ed one of my remote Gentoo servers today and besides the
>>> expected open ports were these:
>>>
>>> 1080/tcp open  socks
>>> 3128/tcp open  squid-http
>>> 8080/tcp open  http-proxy
>>>
>>> I'm not running any sort of proxy software that I know of and I should
>>> be the only person whatsoever with access to the machine.  'netstat
>>> -l' doesn't show any info on those ports at all so I suppose it's been
>>> hacked as well?  I installed and ran 'rkhunter --check' (what happened
>>> to the chrootkit ebuild?) but it doesn't seem to be much use since I
>>> hadn't established a "file of stored file properties".
>>>
>>> What do you guys think is going on?  What should I do from here?
>>>        
>> What does lsof (I'd reinstall it afresh) show with regards to strange users?
>> What users the above services run under.  If indeed they are not legitimate
>> and you confirm that they are not being run as packages that you installed,
>> then I'm afraid the only sane option is to reinstall.
>>      
> Wow.  I'm actually seeing the same thing from other domains I nmap.
> Could my ISP have some kind of a weird environment set up that makes
> it look like there are ports such as these open on remote systems?
> Right now I'm on some kind of a shared connection where everyone has
> their own modem or router or whatever it is, but I think everyone's IP
> is the same.
>
> - Grant
>
>    
Hello,

looks like, your ISP has a Transparent Proxy Setup running.

Regards,
Norman