[Esd-l] Klez@ worm/virus

John D. Hardin jhardin at impsec.org
Fri Apr 19 06:22:03 PDT 2002

On Fri, 19 Apr 2002, Peter Hanecak wrote:

> Later, for a month or so, I'm stripping .exe files instead of
> poisoning them - it saves me time. Just users get what they did
> not get before - messages without attachments with security notice
> - mostly automaticaly sended worms, thus it was confusing them at
> the begining ("why is this unknown person sending me nothing?").
> But again, it is not that hard to explain ("ignore what's not
> plain and what you do not know").

That actually might be better propaganda: "See? The policy blocked
another worm..."

> Of course sometimes it's not quite ... well effective. Example:
> Someone sending to us 20MB of photos in self extracting ZIP
> archive with, of course, .exe extension.

That's why you put reasonable size limits on your MTA. Email is not a
replacement for FTP...

 John Hardin KA7OHZ    ICQ#15735746    http://www.impsec.org/~jhardin/
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