Re: Re: Strange mail with number in subject line and body
Christine Kronberg <[email protected]> Wed, 7 Jun 2006 15:47:36 +0200 (CEST)
| Newsgroups | gmane.comp.security.incidents |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 7 Jun 2006, [email protected] wrote: > > They are not from any particular IP. 3 that I looked at came from a > Bell South IP, an IP in RIPE, and an IP in APNIC. Seems to be a bot network. > > 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. Cheers, Christine Kronberg. ------------------------------------------------------------------------------ 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 ------------------------------------------------------------------------------