RE: [Full-Disclosure] New Worm Discovery - Potential Korgo Variant

["Michael Young" <mikeyoung@xxxxxxxxxxxxxxxxxxxxx>]

The worm clearly exploits the LSASS overflow and is not spreading through
the FTP dameon left by Sasser.

-----Original Message-----
From: Cedric Blancher [mailto:blancher@xxxxxxxxxxxxxxxxxx] 
Sent: Thursday, June 24, 2004 10:04 AM
To: Michael Young
Cc: full-disclosure@xxxxxxxxxxxxxxxx
Subject: Re: [Full-Disclosure] New Worm Discovery - Potential Korgo Variant

Le jeu 24/06/2004 à 14:57, Michael Young a écrit :
> Yesterday a large client of ours was taken down by what appears to be
> a Korgo variant, but I have been unable to locate any information on
> this worm.  From what we have discovered, the main process is
> ?VDisp.exe?.  It is spreading through unpatched systems vulnerable to
> the LSASS exploit, and propagates itself through a serious of randomly
> chosen ports.

Korgo exploits a buffer overflow within FTP daemon installed by Sasser.
That would mean your client systems were previously infected by
Sasser...

-- 
http://www.netexit.com/~sid/
PGP KeyID: 157E98EE FingerPrint: FA62226DA9E72FA8AECAA240008B480E157E98EE
>> Hi! I'm your friendly neighbourhood signature virus.
>> Copy me to your signature file and help me spread!

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