Tiny text only spam (semi OT)
Alessandro Bianchi
alex at skynet-srl.com
Sat Jul 4 18:19:54 IST 2009
>
> I believe that I have also been greatly troubled by the same
> messages. The common thread to these messages is what I call an
> obfucated URL where the URL has spaces in multiple places. I created
> a cf file in /etc/mail/spmassassin directory and wrote my first
> spamassassin rule. It might not be the best but it is working for
> me. Basically, the rule matches a URL that starts with www. followed
> by a space followed by some text ending in a period like pill45.
> followed by another space then a TLD like com, net or org. I started
> with a small score for testing but have significantly raised the score
> to 4.5 now.
> # Rule to find URLs with spaces
> body ASDM_OBF_URL /www\.\s(.+?)\s[A-Za-z]{2,4}/i
> score ASDM_OBF_URL 4.5
> describe ASDM_OBF_URL URLs with spaces
> I haven't seen any false positives yet.
> Gary Faith
Gary
This one rocks!
Got them one hundred per cent
Thank you to all
Best regards
Alessandro Bianchi
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*SKYNET S.r.l.* - *Piazza XXV Aprile 14 - 28021 Borgomanero (No)*
*tel. +39 0322-836487/834765 - fax +39 0322-836608 - www.skynet-srl.com*
Autorizzazione Ministeriale n.197
Le informazioni contenute in questo messaggio sono riservate e
confidenziali ed è vietata la diffusione in qualunque modo eseguita.
Qualora Lei non fosse la persona a cui il presente messaggio è
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gentilmente comunicazione. Per qualsiasi informazione si prega di
contattare (e-mail dell'azienda). Rif. D.L. 196/2003
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