Re: Linux - Indicators of compromise

[Giles Coochey <giles () coochey net>]

On 17/07/2012 18:58, Григорий Братислава wrote:
> On Mon, Jul 16, 2012 at 10:35 AM, Giles Coochey <giles () coochey net> wrote:
> > On 16/07/2012 14:48, Gary Baribault wrote:
> >
> > I suggest one of the first answers was the good one, intercept the traffic
> > routed to the internet with TCPDump. Filter out the normal traffic and see
> > what's left. All compromised systems talk to the Internet to dump data or
> > route spam. Be patient, some systems talk all the time, some once an hour ..
> > but you will find some unexplained traffic. Once you do find that you're
> > infected, don't bother cleaning up the system, format and restore the data!
> Is you have much more to worry than is ICMP/GRE tunnels. Is I send to
> Broadcast and I am is on your network, how do you is plan to pinpoint
> who I am when is everyone see broadcast
By your source MAC address

--
Regards,

Giles Coochey, CCNA, CCNAS
NetSecSpec Ltd
+44 (0) 7983 877438
http://www.coochey.net
http://www.netsecspec.co.uk
giles () coochey net

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