full-disclosure - MyDoom bios infection

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From: frank at knobbe.us (Frank Knobbe)
Subject: MyDoom bios infection

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

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