Having seen a few of these, I wonder whether there's any reason not to write a
rule to catch them all at once.  That is, could someone with access to a mass
check try out the rule

uri URI_REDIRECT        /.https?:\/\//i
describe URI_REDIRECT   URI redirect
score URI_REDIRECT      1.5

(that is, if someone is pointing you to ANY redirector, what are the odds that
they're up to any good?)

On Fri, 9 Jan 2004, Mike Kuentz (2) wrote:

> Dave, thanks for this.  Yet another redirector to sigh about. :(  I was
> poking around and some variations of this apply, but don't hit your
> rule.
>
> Such as:
>
> SSL sites:
> http://www.google.com/url?q=https://www.etrade.com
>
> No www:
> http://google.com/url?q=http://cardtraffic.com
>
> Apparently any of Google's sub domains (Except labs.google.com)
> http://groups.google.com/url?q=http://cardtraffic.com
> http://images.google.com/url?q=http://cardtraffic.com
>
> IE will gladly take a \ and use it after the .com
> http://images.google.com\url?q=http://cardtraffic.com
>
> or after the http part
> http:\\images.google.com\url?q=http://cardtraffic.com
>
>
> White space after the q will be taken
> <http://images.google.com/url?q=       http://cardtraffic.com>
>
>
> If you changed the rule to:
>
> /http:(?:\/|\\)(?:\/|\\).{0,10}\.google\.com(?:\/|\\)url\?q=\s?https?:/i
>
> It should match all of these variations.  Also, I think your question
> mark that comes after url and before q needed to be escaped.
>
>
> I have a question about URI tests that hopefully some could answer.  Are
> they decoded, or is it possible to decode them?
>
> For example would:
> http://images.google.com\url?%71=http://cardtraffic.com
> Now will the rule above or below fail since the q is represented by it's
> hex code in the URL?  Or is the hex code translated to q for the uri
> test?
>
> Mike
>
>
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of David B Funk
> > Sent: Friday, January 09, 2004 1:32 AM
> > To: [EMAIL PROTECTED]
> > Subject: [SAtalk] Oh Joy, another abusable URI redirector
> >
> >
> > Oh Joy, another abusable URI redirector. Saw this in a
> > recent spam:
> >
>   http://www.google.com/url?q=http://cardtraffic.com
>
> Proposed rule:
>
> uri L_URI_REDIR3        /http:\/\/www\.google\.com\/url?q=http:/i
> describe L_URI_REDIR3   open URI redirector #3
> score L_URI_REDIR3      1.5
>
> Dave
>
>

-- 
Adam Lopresto
http://cec.wustl.edu/~adam/

The box said "Requires Windows 95 or better."  I can't understand why
it won't work on my Linux computer.


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