Re: Steps on how to handle an infected computers ( in forensicsperspective)

[Ansgar Wiechers <bugtraq () planetcobalt net>]

On 2010-07-27 Rivest, Philippe wrote:
> My expertise in forensic is really limited, but i believe that pulling
> the power cord at that step is unwise as you will basically be
> throwing out the window a lot of data and information's.

You may want to re-read the part of my reply between "remove from the
net" and "pull the cord".

> Shouldn't he get access to the memory b4 flushing the power cord?

Indeed. I meant to suggest taking an image of the RAM in case FireWire
DMA is enabled, but somehow it slipped my mind.

> Also, I get that unpluggin the system from the network is wise to
> protect both the system & the network. But wont you effectively change
> the state of a machine when you want to capture the machine in the
> "bad state". Shouldn't he pull the power cord b4 the network cable?

Depends. If he knows what to do (and has his toolbox at hand) I think it
would be better to examine the system first, and then pull the plug. If
he needs to do some research first, I'd give protecting the network the
higher priority.

Regards
Ansgar Wiechers
-- 
"All vulnerabilities deserve a public fear period prior to patches
becoming available."
--Jason Coombs on Bugtraq

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