Full Disclosure mailing list archives

Re: MyDoom bios infection


From: Ben Nelson <lists () venom600 org>
Date: Thu, 29 Jan 2004 11:09:38 -0700

Frank Knobbe wrote:
On Thu, 2004-01-29 at 03:14, Ferris, Robin wrote:

It was also unknown that the virus infects the BIOS of the computer it
infects by injecting a 624bytes backdoor written in FORTH which will open
port tcp when Mydoom will be executed AFTER febuary 12.


Although code in BIOS could interact with your network card, it would
require the correct driver routines for your particular card. Does the
virus come with network card drivers for a variety of cards? No? Then
BIOS code won't open a TCP port.

Regards,
Frank

It would need a TCP stack too, would it not?

--Ben

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