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Re: Strange cookies

Subject: Re: Strange cookies
Date: Thu, 24 Apr 2008 10:16:08 +0200 (ora solare Europa occidentale)
Dirk,

On Wed, 23 Apr 2008, Dirk Reimers wrote:

Hi all,

[snip]

Does anybody of you guys have some experiences in testing the randomness of cookies? Maybe any tools like n-gram analysis that work with a bounch of numbers?

You may want to try these free tools:

http://portswigger.net/sequencer/
http://lcamtuf.coredump.cx/stompy.tgz
http://www.owasp.org/index.php/Category:OWASP_WebScarab_Project

Futhermore, most commercial web application testing suites also include their own tool for analyzing the degree of randomness in session tokens, AFAIK.

Some other useful resources on this subject:

http://blog.portswigger.net/2007/10/introducing-burp-sequencer.html
http://seclists.org/bugtraq/2007/Jan/0626.html
http://www.owasp.org/index.php/Testing_for_Session_Management_Schema
http://www.xs4all.nl/~scusi/SessionID-release/www/index.html
https://addons.mozilla.org/it/firefox/addon/573

Hope this helps. Cheers,

--
Marco Ivaldi, OPST
Red Team Coordinator      Data Security Division
@ Mediaservice.net Srl    http://mediaservice.net/


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