Re: 3127/tcp by Doomjuice (Kaspersky) - MyDoom takeover?

[Nick FitzGerald <nick () virus-l demon co uk>]

"Erik van Straten" <emvs.fd.3FB4D11C () cpo 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

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