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SURBL Question

Printed From: LogSat Software
Category: Spam Filter ISP
Forum Name: Spam Filter ISP Support
Forum Description: General support for Spam Filter ISP
URL: https://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=5190
Printed Date: 09 May 2025 at 8:50pm


Topic: SURBL Question
Posted By: Desperado
Subject: SURBL Question
Date Posted: 24 May 2005 at 6:44pm

Roberto,

Will the SURBL pick up a URL that is obfuscated as:

http://ePronAR=2Ecom - http://eProNAR=2Ecom

I am seeing a lot of urls and address formed this way.  I have a filter, for now, that looks like: ((?i)http://.*=2ecom)  But it seems to me that there is a good chance of false positives with this RegEx.

Regards,

 



-------------
The Desperado
Dan Seligmann.
Work: http://www.mags.net
Personal: http://www.desperado.com




Replies:
Posted By: LogSat
Date Posted: 24 May 2005 at 10:37pm
Is that the actual syntax (=2E) rather than the period? Yes or no, SpamFilter won't catch it, we're looking for URI separators that don't include the "=". We're definetly going to try to catch these as well in the near future.

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Roberto Franceschetti

http://www.logsat.com" rel="nofollow - LogSat Software

http://www.logsat.com/sfi-spam-filter.asp" rel="nofollow - Spam Filter ISP


Posted By: Desperado
Date Posted: 24 May 2005 at 10:41pm

Originally posted by LogSat LogSat wrote:

Is that the actual syntax (=2E) rather than the period? Yes or no, SpamFilter won't catch it, we're looking for URI separators that don't include the "=". We're definetly going to try to catch these as well in the near future.

YES!  They are using the =2E to "make" a period.  Sneaky So in Sos!



-------------
The Desperado
Dan Seligmann.
Work: http://www.mags.net
Personal: http://www.desperado.com



Posted By: LogSat
Date Posted: 24 May 2005 at 11:03pm
That's why I was asking... the =2E *should* not work, as it's %2e that translates to the period. But it's late and I *am* falling asleep... so could very well be already dreaming.

-------------
Roberto Franceschetti

http://www.logsat.com" rel="nofollow - LogSat Software

http://www.logsat.com/sfi-spam-filter.asp" rel="nofollow - Spam Filter ISP


Posted By: Desperado
Date Posted: 25 May 2005 at 1:18pm

Roberto,

Sending a source message by email.

Regards,



-------------
The Desperado
Dan Seligmann.
Work: http://www.mags.net
Personal: http://www.desperado.com



Posted By: LogSat
Date Posted: 25 May 2005 at 4:05pm
Got it, working on it to see if there's anything that can be done (and trying to see why the "=" works as you say...!

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Roberto Franceschetti

http://www.logsat.com" rel="nofollow - LogSat Software

http://www.logsat.com/sfi-spam-filter.asp" rel="nofollow - Spam Filter ISP


Posted By: Desperado
Date Posted: 25 May 2005 at 4:21pm

Originally posted by LogSat LogSat wrote:

Got it, working on it to see if there's anything that can be done (and trying to see why the "=" works as you say...!

Roberto,

When you figure our why it works ... let me know!  Just weird.
Regards, 



-------------
The Desperado
Dan Seligmann.
Work: http://www.mags.net
Personal: http://www.desperado.com




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