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Message-ID: <3F730248.8020401@onryou.com>
From: lists at onryou.com (Cael Abal)
Subject: RE: Probable new MS DCOM RPC worm for Windows
> I'm thinking that there *has* to be a variant of Nachi/Welchia in the
> wild. We have machines that were patched for MS03-026 (verified by
> scanning with multiple scanners) but not patched for MS03-039 (ditto)
> and they have been infected by something that triggers my Nachi rule in
> snort. This should *not* be possible with the "original" Nachi/Welchia,
> so my assumption is that either something new has been released or the
> worm has mutated somehow.
>
> Mind you, this is anecdotal and a very small incidence (only three
> machines so far), but it still bears watching IMHO. I've been surprised
> to not see any discussion on the lists about a new variant. Perhaps no
> one is looking?
Hi Paul,
Did you use a third-party tool to verify the patches were actually
successfully installed on the infected machines, before detecting the
infection?
Cael
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