OTRA DE LAS HERRAMIENTAS DE APHEX PARA HACER INDECTECTABLE LOS TROYANOS
DOA Wrapper by Aphex
http://www.iamaphex.net
aphex@iamaphex.net

This program creates undetected executables that only run
on Windows NT, 2000, XP, 2003 and LongHorn.

Usage: doa -i <stub> <icon>
  Sets file icon for the stub. Must be standard ico format.

Usage: doa -f <stub> <file>
  Sets file that the stub will execute.

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A CUSTOM UNDETECTED VERSION WITH A LIFETIME GUARANTEE COSTS
ONLY $50 EACH PAYABLE BY E-GOLD. CONTACT APHEX@IAMAPHEX.NET
FOR MORE INFORMATION. SOURCE CODE INCLUDED.

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PARA BAJARLO ACA ESTA LA DIRECCION
http://www.iamaphex.net/downloads/doa.zip

no suena mal...

El programa viene con un stub (stub.exe) entonces su uso seria:
doa -f stub.exe miserver.exe

Y el archivo miserver.exe se modificaria kedando indetectable, claro que como ya he dicho la mayoria de AV's lo pillan.
Saludos.