Re: [Snort-users] New snort rule for WORM_NETSKY.B yet

At 10:15 AM 2/18/2004, Snortty wrote:
>This one seems to be getting ready, or already spread
>like the last time, any rule to apply to detect it yet?

Hardly urgent, as nobody should be using snort as a first-line-of-defense
against mail worms.. That's what putting a virus scanner on your mailserver
is for.

However, it would be handy to have a signature for this things file-share
spread.

Details on the worm can be found here
http://us.mcafee.com/virusInfo/defau...virus_k=101034

The clamAV signature for this thing is:
Worm.SomeFool
(Clam)=ce366483cb540740032ca8bf6c9a2004f082736f6d6 574682bd446edb36973d
a6ff213b154df0b676f087719678ffd46fdef796f75fd65206 261640b747279fa61df5517737465616c1
f6665656cb0466da59e24739b13decaed5b1e726e206d44657 91a6174


Which is a rather long signature to be looking for in packets via snort,
but it's a start. (note that clamav signatures are just virusname=(hex
signature))

Note: the above signature is extracted from clamav daily.cvd version 134,
and thus is likely Copyrighted with GPL licensing like the rest of clamav.
You can obtain all of clamav, and it's source code from:
http://www.clamav.net/



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