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Posted to users@spamassassin.apache.org by Vicki Brown <vl...@cfcl.com> on 2005/03/16 04:13:04 UTC

Blacklisting embedded URLs

I've been going through a bunch of spam and blacklisting domains. However,
some of the more frequent offenders are in the body of the message. For
example, today I found about half a dozen porno spams that contained a
reference to
    http://www.a123s.biz/...

I can do a body match rule.
Is there anything else I can do?

Is there something useful that could be added to SpamAssassin for
blacklisting URLs within the body of a message?

I have something like this for my weblog; I use Movable Type with
MT-Blacklist. It goes through a spam comment and grabs all the URLs it finds
and adds those to the internal blacklist. Very handy for Texas Hold-em Poker
spamments.
-- 
Vicki Brown          ZZZ
Journeyman Sourceror:  zz  |\     _,,,---,,_     Code, Docs, Process,
Scripts & Philtres      zz /,`.-'`'    -.  ;-;;,_   Perl, WWW, Mac OS X
http://cfcl.com/vlb       |,4-  ) )-,_. ,\ ( `'-'   SF Bay Area, CA  USA
_______________________  '---''(_/--'  `-'\_)  ___________________________

Re: [SPAM-TAG] SpamAssassin, running on "mail.dailyhills.com" ...

Posted by Jeff Chan <je...@surbl.org>.
On Tuesday, March 15, 2005, 9:27:50 PM, Vicki Brown wrote:
> Does anyone else find this just too absurdly silly for words?

> Although I guess it surely does prove the point Jeff Chan made for URIDNSBL
> and SURBL - most eloquently in fact :-)

>>SpamAssassin, running on "mail.dailyhills.com", has identified this incoming
>>email as possible spam.  The original message has been attached to this
>>email so you can view it (if it isn't spam).
>>If you have any questions, contact postmaster@dailyhills.com for details.

Yes, but it's a broken configuration on Dave Hill's mail
server...

Jeff C.
-- 
Jeff Chan
mailto:jeffc@surbl.org
http://www.surbl.org/


SpamAssassin, running on "mail.dailyhills.com" ...

Posted by Vicki Brown <vl...@cfcl.com>.
Does anyone else find this just too absurdly silly for words?

Although I guess it surely does prove the point Jeff Chan made for URIDNSBL
and SURBL - most eloquently in fact :-)

>SpamAssassin, running on "mail.dailyhills.com", has identified this incoming
>email as possible spam.  The original message has been attached to this
>email so you can view it (if it isn't spam).
>If you have any questions, contact postmaster@dailyhills.com for details.
>
>Content preview:  I've been going through a bunch of spam and
>  blacklisting domains. However, some of the more frequent offenders are
>  in the body of the message. For example, today I found about half a
>  dozen porno spams that contained a reference to
>  http://www.a123s.biz/... [...]
>
>Content analysis details:   (6.2 points, 5.0 required)
>
> pts rule name              description
>---- ----------------------
>--------------------------------------------------
>-0.0 SPF_PASS               SPF: sender matches SPF record
> 2.3 BIZ_TLD                URI: Contains an URL in the BIZ top-level domain
> 2.5 RAZOR2_CF_RANGE_51_100 BODY: Razor2 gives confidence level above 50%
>                            [cf: 100]
>-2.6 BAYES_00               BODY: Bayesian spam probability is 0 to 1%
>                            [score: 0.0000]
> 2.5 RAZOR2_CHECK           Listed in Razor2 (http://razor.sf.net/)
> 1.0 URIBL_SBL              Contains an URL listed in the SBL blocklist
>                            [URIs: a123s.biz]
> 0.4 URIBL_AB_SURBL         Contains an URL listed in the AB SURBL blocklist
>                            [URIs: a123s.biz]
> 1.5 URIBL_WS_SURBL         Contains an URL listed in the WS SURBL blocklist
>                            [URIs: a123s.biz]
> 3.2 URIBL_OB_SURBL         Contains an URL listed in the OB SURBL blocklist
>                            [URIs: a123s.biz]
> 4.3 URIBL_SC_SURBL         Contains an URL listed in the SC SURBL blocklist
>                            [URIs: a123s.biz]
>-8.8 AWL                    AWL: From: address is in the auto white-list
>
>---- ----------------------
>--------------------------------------------------
>
>
>
>Return-Path:
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>X-Spam-Status: SpamAssassin failed demos
>Received: from mail.apache.org ([209.237.227.199] verified)
>  by daypicnic.com (CommuniGate Pro SMTP 4.2.8)
>  with SMTP id 287354 for daveh@dailyhills.com; Tue, 15 Mar 2005 19:25:19
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>	tests=BIZ_TLD,FORGED_RCVD_HELO,URIBL_AB_SURBL,URIBL_OB_SURBL,URIBL_SBL,URIBL_SC_SURBL,URIBL_WS_SURBL
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>X-Mailer: Eudora for Macintosh!
>Date: Tue, 15 Mar 2005 19:13:04 -0800
>To: users@spamassassin.apache.org
>From: Vicki Brown <vl...@cfcl.com>
>Subject: Blacklisting embedded URLs
>Content-Type: text/plain; charset="us-ascii"
>X-Virus-Checked: Checked
>
>I've been going through a bunch of spam and blacklisting domains. However,
>some of the more frequent offenders are in the body of the message. For
>example, today I found about half a dozen porno spams that contained a
>reference to
>    http://www.a123s.biz/...
>
>I can do a body match rule.
>Is there anything else I can do?
>
>Is there something useful that could be added to SpamAssassin for
>blacklisting URLs within the body of a message?
>
>I have something like this for my weblog; I use Movable Type with
>MT-Blacklist. It goes through a spam comment and grabs all the URLs it finds
>and adds those to the internal blacklist. Very handy for Texas Hold-em Poker
>spamments.
>--
>Vicki Brown          ZZZ
>Journeyman Sourceror:  zz  |\     _,,,---,,_     Code, Docs, Process,
>Scripts & Philtres      zz /,`.-'`'    -.  ;-;;,_   Perl, WWW, Mac OS X
>http://cfcl.com/vlb       |,4-  ) )-,_. ,\ ( `'-'   SF Bay Area, CA  USA
>_______________________  '---''(_/--'  `-'\_)  ___________________________

-- 
Vicki Brown          ZZZ
Journeyman Sourceror:  zz  |\     _,,,---,,_     Code, Docs, Process,
Scripts & Philtres      zz /,`.-'`'    -.  ;-;;,_   Perl, WWW, Mac OS X
http://cfcl.com/vlb       |,4-  ) )-,_. ,\ ( `'-'   SF Bay Area, CA  USA
_______________________  '---''(_/--'  `-'\_)  ___________________________

Re: [SPAM-TAG] Blacklisting embedded URLs

Posted by Jeff Chan <je...@surbl.org>.
On Tuesday, March 15, 2005, 7:13:04 PM, Vicki Brown wrote:
> I've been going through a bunch of spam and blacklisting domains. However,
> some of the more frequent offenders are in the body of the message. For
> example, today I found about half a dozen porno spams that contained a
> reference to
>     http://www.a123s.biz/...

> I can do a body match rule.
> Is there anything else I can do?

> Is there something useful that could be added to SpamAssassin for
> blacklisting URLs within the body of a message?

Yes, please see URIDNSBL and SURBL:

  http://spamassassin.apache.org/full/3.0.x/dist/lib/Mail/SpamAssassin/Plugin/URIDNSBL.pm
  http://www.surbl.org/

which are built into SpamAssassin 3 and enabled by default if
network tests are enabled.

Jeff C.
-- 
Jeff Chan
mailto:jeffc@surbl.org
http://www.surbl.org/