Re: [Full-Disclosure] weird worm ?
From: Kare Presttun (Kare_at_Presttun.org)
To: Joris De Donder <email@example.com> Date: Tue, 30 Dec 2003 16:22:34 +0100
At 30.12.2003 15:25 +0100, Joris De Donder wrote:
>> highest bailiff nomad father advise heir
>> oxygen honorarium allegro reveal wronskian indentation coachmen
>> deficient tribute arcturus mitigate bypath
>> Anyone got a clue what this is? There are no attachments to these
>> they keep coming in at a rate of about 1-2 per day, from different sources,
>> nobody I know really.
>Could be an attempt to 'poison' Bayesian filters. If people identify
>these messages as spam and use them to train their Bayesian filters,
>more and more 'good'/'normal' words will get a high spamvalue
>resulting in a higer rate of false positives.
>Or maybe it was an attempt to bypass Bayesian filters and the spammer
>just forgot to include an url.
I have looked at a few of them and they include an image (at least
the ones I have got) with the actual spam message and a URL
behind the image itself to take you to a web site. I have got some
for cable TV bypass. I seems obvious that they attempt to poison
Bayesian filters. Some of them also used my e-mail as sender
address clearly to get around spam filters. I'm running SpamPal
and use it for outbound mail to train the whitelist to accept people
I'm sending mail to. I have also imported some of these messages
as spam into the Bayesian filter to train it. I also put my address
into the Exclusions for automatic whitelisting to avoid the mails
with my address in the sender field to slip through. Now all the shit
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