On 08/06/06, Christine Kronberg <[EMAIL PROTECTED]> wrote:
On Wed, 7 Jun 2006, [EMAIL PROTECTED] wrote:
> My best guess is that this is meant to poison the statistics of bayesian mail
filters and trick them into letting spam through.
Do you really think a few mails with just a number in it will have
a noticeable effect on the filters? To me it seems more likely that
someone uses a bot net for address verification and list washing.
Indeed - most Bayesian techniques I have seen will only look at the n
most 'useful' words in determining whether it's spam or not spam. I
just can't see any feasible way to poison this sort of scheme.
cheers,
Jamie
--
Jamie Riden / [EMAIL PROTECTED] / [EMAIL PROTECTED]
NZ Honeynet project - http://www.nz-honeynet.org/
------------------------------------------------------------------------------
This List Sponsored by: Black Hat
Attend the Black Hat Briefings & Training USA, July 29. August 3 in Las Vegas.
World renowned security experts reveal tomorrow.s threats today. Free of
vendor pitches, the Briefings are designed to be pragmatic regardless of your
security environment. Featuring 36 hands-on training courses and 10 conference
tracks, networking opportunities with over 2,500 delegates from 40+ nations.
http://www.blackhat.com
------------------------------------------------------------------------------