full-disclosure - Quick Analysis of Netsky-B

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Message-ID: <BAY12-F100BEr8pkpLk00002f9e@hotmail.com>
From: randnut at hotmail.com (first last)
Subject: Quick Analysis of Netsky-B 

>The Viruswriter seems to be from Germany
>
>The string skynet@...net.de
>AdmSkynetJklS003
>can be found inside the virus code
>the IP 217.5.100.1 is a dial up from the german Telekom: DTAG-DIAL13
>one of the attatchment names refers to a german explicit "movie star"

It's very easy to fake that kind of stuff, but most virus writers don't seem 
to do that so yes he (yes, I assume it's a guy) is probably german or at 
least knows some german.

>Nothing new as I can see,

When people realize that you can make lots of money with a successful virus, 
you're going to see more advanced viruses written by professionals.

>packed with upx, UDP packet sender, SMTP Routine,
>tries to install itself as a service, tries to infect network shares and
>file sharing ... business as usual.
>the only not so harmless function is: Kernel32.DeleteFilaA

That function is used to delete a temporary file, namely the zip file it 
emails to a random email address it finds on the hd.

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