bugtraq - RE: Ruh-Roh SOBIG.G?

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Date: Fri, 26 Sep 2003 06:45:15 -0400
From: "Larry Seltzer" <larry@...ryseltzer.com>
To: <kruse@...lroad.dk>, "'Liviu Daia'" <Liviu.Daia@...r.ro>,
	<bugtraq@...urityfocus.com>
Subject: RE: Ruh-Roh SOBIG.G?

I thought it had expired on 9/10, and it did stop coming for a while. I'm seeing it
again too; actually, I'm seeing two different attachment sizes in the new ones, one
around 70K and the other around 100K. 

Did someone reissue Sobig.F with a new expiration date?

Larry Seltzer
Security Editor, eWEEK.com
http://security.eweek.com/
larryseltzer@...fdavis.com 

-----Original Message-----
From: Peter Kruse [mailto:kruse@...sesecurity.dk] 
Sent: Thursday, September 25, 2003 6:02 PM
To: 'Liviu Daia'; bugtraq@...urityfocus.com
Subject: SV: Ruh-Roh SOBIG.G?

Hi,

There is no new Sobig worm here. I just ran through samples received by the original
poster and I can confirm that these are all Sobig-F samples. The worm is known to be
polymorphic which by nature will change the size and content of the code. Nothing new
here.

Kind regards // Med venlig hilsen

Peter Kruse
CSIS / Kruse Security ApS
http://www.krusesecurity.dk