Security Incidents mailing list archives

Re: Microsoft Windows ME and TCP/5000


From: George Bakos <alpinista () BIGFOOT COM>
Date: Thu, 1 Mar 2001 11:29:37 -0500

Go get yourself tdimon from Sysinternals and listen for what
crosses the Transport Driver Interface while you telnet to port 5000.
 Of course, this will only work if the beastie uses normal winsock
calls.

On 28 Feb 01, at 16:55, Eric Fagan wrote:

Hello,
  I've seen only a handful of unanswered questions when researching
  this
subject on Google, but I've found what seems to be a webserver running
on port 5000 of my WinME box.  A "netstat -a" shows UDP/1900 listening
and TCP/5000 listening.  ICS is not installed, F/P Sharing is not
enabled.

On this box I have installed Halflife & QIII Arena off OEM CD's, and
LimeWire (a gnutella type client).  The Limewire has since been
removed and no references seem to appear for it the registry.
Telnetting to port 5000 and trying a properly formatted http GET
command (or using a web browser) returns HTTP 1.1/400 Bad Request.
I've seen references indicated UDP/1900 is normal for ME (something to
do with IP multicast & PnP detection), but TCP/5000?  I'm bringing
home my Network Associates VirusScan software from work today.
(Shame on me, running w/out protection for two weeks -- what was I
thinking!)   I was just curious if anyone knew of a Trojan that camps
an HTTP server on TCP/5000.  Perhaps I caught something...

--Eric



George Bakos - Security Engineer
Electronic Warfare Associates
Information & Infrastructure Technologies
http://www.ewa.com


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