full-disclosure - 3127/tcp by Doomjuice (Kaspersky)

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Message-ID: <40289D83.7402.1F3DE570@localhost>
From: nick at virus-l.demon.co.uk (Nick FitzGerald)
Subject: 3127/tcp by Doomjuice (Kaspersky) - MyDoom
 takeover?

"Erik van Straten" <emvs.fd.3FB4D11C@....tn.tudelft.nl> wrote:

> I've observed a rapid increase in 3127/tcp scans from seemingly
> random IP's. They're sequentially scanning our IP's, bottom-up.

As have many others:

   http://www.dshield.org/port_report.php?port=3127

> These seem to match Kasperky's Doomjuice (published ~ 3 hours ago):
> http://www.viruslist.com/eng/alert.html?id=930701
> 
> Details, incl. address generation algorithm:
> http://www.viruslist.com/eng/viruslist.html?id=930677
> 
> Supposedly it also causes a DDoS agains Microsoft.
> 
> Note that this one seems to differ from Symantec's Deadhat:
> http://sarc.com/avcenter/venc/data/w32.hllw.deadhat.html
> 
> According to Symantec's description, Deadhat scans 3127/tcp, 3128/tcp
> and 1080/tcp (I've seen one or two of those).

Yes -- Deadhat (more correctly known as Vesser) was found late Friday 
or early Saturday (depending on your TZ) but this new one, DoomJuice, 
(incorrectly originally classified as a Mydoom variant and thus called 
Mydoom.C by some) has only been isolated and analysed in the last few 
hours...

-- 
Nick FitzGerald
Computer Virus Consulting Ltd.
Ph/FAX: +64 3 3529854