Miroslav,

On Wed, Feb 20, 2013 at 4:15 AM, Miroslav Stampar
<miroslav.stam...@gmail.com> wrote:
> Hi.
>
> In theory this works, in practice it doesn't. We already overturned 2-3 guys
> proposing this. Today's pages are too dynamic (banners, promos, etc.).

But sqlmap already supports comparing pages with minor differences
(using difflib, correct?)

> Also,
> you would need a parameter value with a big covering range (lots of
> different values).

256 different rows for a table doesn't seem to be something difficult
to find; while not possible in all cases I agree.

> Also, whoever wrote this don't have a clue about this subject: ' The
> attacker would then take a checksum of the returned html data'. This is
> being done in kiddish scripts. Real SQLi tool knows that checksum is faaar
> from reliable.

See difflib above.

> Anyway, answer is no.

I think you're disregarding a good idea (if correctly implemented it
provides a 8-times performance improvement) way too fast.
Implementation is going to be difficult, but the benefits are great,

> Kind regards,
> Miroslav Stampar
>
> On Feb 20, 2013 2:11 AM, "Julius Kivimäki" <julius.kivim...@gmail.com>
> wrote:
>>
>> Should probably look into adding this,
>> http://www.blackhatlibrary.net/SQL_injection/Blind/Comparative_precomputation
>>
>> ------------------------------------------------------------------------------
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>
> ------------------------------------------------------------------------------
> Everyone hates slow websites. So do we.
> Make your web apps faster with AppDynamics
> Download AppDynamics Lite for free today:
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-- 
Andrés Riancho
Project Leader at w3af - http://w3af.org/
Web Application Attack and Audit Framework
Twitter: @w3af
GPG: 0x93C344F3

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