bugtraq - RE: Router Worm?

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Message-ID: <A8ED8823644C614280ACAC1A4D3E93FB2595EB@icptex02.corp.icpt.net>
Date: Thu, 20 Nov 2003 16:10:11 -0500
From: "BugTrap" <bugtrap@...ercept.net>
To: <bugtraq@...urityfocus.com>
Subject: RE: Router Worm?

I am now seeing these as well, I believe this is something new as I have
not seen this on my network until now and I've had infected welchia
infected pc's. 

Michael

-----Original Message-----
From: David Gillett [mailto:gillettdavid@...a.edu] 
Posted At: Thursday, November 20, 2003 12:14 PM
Posted To: BugTrap
Conversation: Router Worm?
Subject: RE: Router Worm?

  I've never seen it do that, in the about 50 or so instances
I've encountered.  Does it only do it occasionally?  Does it
attack the same host against which 135/tcp failed, or some
random third party?
  (Does it, perhaps, distinguish between 135/tcp "failed to 
connect" and 135/tcp "connected, but target was patched and
so could not be infected"?)

David Gillett

> -----Original Message-----
> From: Jose Nazario [mailto:jose@...key.org]
> Sent: November 19, 2003 17:06
> To: Jay D. Dyson
> Cc: Bugtraq
> Subject: Re: Router Worm?
> 
> 
> its welchia/nachi. when it can't connect via 135/tcp, it will 
> attempt an
> exploit against a webdav server (see MS03-007).
> 
> i've seen an uptick in this in the past couple of days, too, 
> visible on a
> few httpd servers i track. and i, too, was caught off guard 
> until someone
> pointed out it was nachi to me. digging into the tech details 
> showed that
> i (and many of us) had been overlooking a secondary attack.
> 
> ___________________________
> jose nazario, ph.d.			jose@...key.org
> 					http://monkey.org/~jose/
>