full-disclosure - RE: Possible new variant of Nachi

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From: pauls at utdallas.edu (Schmehl, Paul L)
Subject: RE: Possible new variant of Nachi

Working hypothesis is as follows:

Hosts were turned off previously so they didn't show up in routine
scanning.  Then they were turned on and got infected with Nachi.  Nachi
patched for MS03-026.  Then a scan showed them patched for MS03-026 but
not for MS03-039.  Then snort reported their infection.  So, it appears
to be a timing issue rather than something new.

Paul Schmehl (pauls@...allas.edu)
Adjunct Information Security Officer
The University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu/~pauls/