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Re: NT4 worm
From: David Taylor <ltr () isc upenn edu>
Date: Thu, 31 Aug 2006 07:31:12 -0400

The SANS Internet Storm Center is reporting a large increase in port 139
scans. Not much information on the spike yet.

<http://isc.sans.org/diary.php?storyid=1654>


On 8/30/06 10:08 AM, "Geo." <geoincidents () nls net> wrote:

Has anyone seen a writeup on this new NT4 worm that's spreading via port 139
MS06-040 yet? I'm seeing customers getting hit by it but I haven't seen any
real mention of it anywhere yet. It appears to run two CMD.EXE hidden
windows and sucks up all the cpu in the infected systems trying to spread.
I've also seen one customer who found csrsc.exe on the machine after the
worm hit them.

I did manage to find out once it exploits a machine it uses ftp.exe to
connect back to the infecting host and transfer something but I've not had
time to really dig into this thing. Hoping someone else has already. Looks
like it's spreading pretty quick

http://isc.incidents.org/port_details.php?port=139&repax=1&tarax=2&srcax=2&p
ercent=N&days=40


Geo.

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==================================================
David Taylor //Sr. Information Security Specialist
University of Pennsylvania Information Security
Philadelphia PA USA
(215) 898-1236
http://www.upenn.edu/computing/security/
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