full-disclosure - Re: Linux - Indicators of compromise

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Message-ID: <CADYtyvK+A2yUE4frDF4aDkd7Q42406-eASYC6BTo2Lj2xA7x+g@mail.gmail.com>
Date: Tue, 17 Jul 2012 13:58:22 -0400
From: Григорий Братислава <musntlive@...il.com>
To: Giles Coochey <giles@...chey.net>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Linux - Indicators of compromise

On Mon, Jul 16, 2012 at 10:35 AM, Giles Coochey <giles@...chey.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

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