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Posted to users@spamassassin.apache.org by "John D. Hardin" <jh...@impsec.org> on 2006/07/24 16:19:20 UTC

Re: [SPAM] Re: Google ad services redirector abuse

On Mon, 24 Jul 2006, Daryl C. W. O'Shea wrote:

> > <a target="_parent"
> > href="http://www.google.com/pagead/iclk?sa=l&ai=Br3ycNQz5Q-fXBJGSiQLU0eDSAueHkArnhtWZAu-FmQWgjlkQAxgFKAg4AEDKEUiFOVD-4r2f-P____8BoAGyqor_A8gBAZUCCapCCqkCxU7NLQH0sz4&num=5&adurl=http://1092229727:9999/https-www.paypal.com/webscrr/index.php">Click
> > here to cancel your new email 
> > address</a>
> 
> Being a simple visible redirector, SA actually does detect it:
> 
> [7375] dbg: uri: cleaned html uri, 
> http://1092229727:9999/https-www.paypal.com/webscrr/index.php
> [7375] dbg: uri: html domain, google.com

Ah, good.

I assume that means the redirector_pattern I suggested is not
necessary?

> The problem is that SA doesn't then go on to do checks on the IP
> 1092229727 (CPE-65-26-26-95.kc.res.rr.com [65.26.26.95]) like it
> would if it was in dotted-quad notation.  Thus the hit on Sorbs'
> DUHL is avoided.
> 
> This is definitely a bug.  Please open a bug report and attach a
> complete sample to the bug.

roger wilco.

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Re: [SPAM] Re: Google ad services redirector abuse

Posted by "Daryl C. W. O'Shea" <sp...@dostech.ca>.
John D. Hardin wrote:
> On Mon, 24 Jul 2006, Daryl C. W. O'Shea wrote:

> I assume that means the redirector_pattern I suggested is not
> necessary?

Right.  Anything that would match (https?:\/\/.*) is already taken care 
of by SA internally.


>> The problem is that SA doesn't then go on to do checks on the IP
>> 1092229727 (CPE-65-26-26-95.kc.res.rr.com [65.26.26.95]) like it
>> would if it was in dotted-quad notation.  Thus the hit on Sorbs'
>> DUHL is avoided.
>>
>> This is definitely a bug.  Please open a bug report and attach a
>> complete sample to the bug.
> 
> roger wilco.

Thanks.

http://issues.apache.org/SpamAssassin/show_bug.cgi?id=5006


Daryl