full-disclosure - Microsoft Update Loader msrtwd.exe

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From: jan.muenther at nruns.com (Jan Muenther)
Subject: Microsoft Update Loader msrtwd.exe

> google came back with a forum to do with sdbot; however, the file was
> listed as "Morphine".

Morphine is not a virus or malware in itself, it's a tool for PE binary en-
cryption, self-decrypting on execution. It actually places the whole 
source image into the .data section of a newly produced file. 
Basically, this should hinder your virus scanner from recognizing what this 
binary really is, since it only matches on the pattern for the Morphine engine
itself. 

See http://rootkit.host.sk

Regards,

J.