Re: Anybody recognize this Solaris compromise?

["Matthew T. Fata" <matt () credibleinstitution org>]

David,

It sounds like you have network monitoring on the host - that's good, 
because if you were compromised by the telnetd vulnerability Jamie 
linked to, then it may have spread to other hosts on your network - 
unless of course you meant this is your only Solaris box when you say 
that you aren't heavy users.  Even so, the solaris telnetd vulnerability 
might not be the only thing it knows how to exploit.

Jamie Riden wrote:
> Hi David,
>
> Were you/they running telnetd as a service in February? See
> http://www.kb.cert.org/vuls/id/881872
>
> On 13/04/07, David Gillett <gillettdavid () fhda edu> wrote:
> >   I've got a Solaris machine on my network that has acquired
> > an unauthorized behaviour of unknown origin.  Every night,
> > from 1:10:30am until 6:00:30am, it tries to establish outbound
> > telnet connections to addresses all over the Internet.
> <snip>
> >   The machine is running the SIRSI library application; it's possible
> > that the vulnerability is associated with that and not generically with
> > Solaris.  We're not heavy Solaris users here, and so IT doesn't support
> > that machine -- I'm trying to help our SIRSI admin pin down what's going
> > on so they can determine how to identify and remove the culprit.
>
> Reformat and re-install? It's the only way to be sure you've cleaned
> it properly. Probably cheaper than a thorough forensic examination as
> well.
>
> cheers,
> Jamie


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