Security Incidents mailing list archives

RE: nimda tries to send mail after reboot


From: "Lists" <lists () acros si>
Date: Wed, 19 Sep 2001 21:40:38 +0200

Brett,

Sadly, the copies of the worm we're receiving are coming from
companies whose employees we'd expect to know better than to
leave machines unprotected -- such as V-One and SCO.

It was noted before by someone, and witnessed by myself, that Nimda employs
spoofing of sender's address. Yesterday I received a Nimda copy that was *sent
by myself* (which of course raised my suspicion). A few minutes later I got a
reply from McAfee ASAP Support which is an auto-replying mailbox - apparently
Nimda sent itself to at least two addresses (but I'll assume there were more),
pretending to be me. So let's not assume someone has a badly secured machine
just because he/she is the apparent sender - more likely it means that someone
with the apparent sender's address in address book is a little behind on
security.

Regards,

Mitja Kolsek

ACROS, d.o.o.
Stantetova 4, SI - 2000 Maribor, Slovenia
web: http://www.acros.si
e-mail: mitja.kolsek () acros si


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