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Script obfuscation, filter evasion, IDS/IPS/WAF bypassing... this is where it should live. Because this topic is too big to live anywhere else. Phj33r! 
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YAUC Palindromes!
Date: June 08, 2010 05:10AM

Isn't it time for another contest? I suggest palindromes! The challenge is simple, create a palindrome that executes alert (or some other interesting action).

The longer and more complicated the better!

Here's a sample:

_:(_=alert)(_)?(_)(trela=_):_

----------------34----------------
_=/.+?('['_='+_(_)]+).+/,'_='+_(_)

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Re: YAUC Palindromes!
Posted by: thornmaker
Date: June 08, 2010 09:17AM

[trela=this]-1||(alert)(trela)||1-[siht=alert]

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Re: YAUC Palindromes!
Posted by: thornmaker
Date: June 08, 2010 03:54PM

Actually, I don't think either of these are true palindromes since they get the brackets/parenthesis backwards. Here's a "true" one, though not as clever/pretty:

'//)0(trela;';alert(0)//'



Edited 1 time(s). Last edit at 06/08/2010 03:56PM by thornmaker.

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Re: YAUC Palindromes!
Posted by: Gareth Heyes
Date: June 08, 2010 04:38PM

alert(1)//)1(trela

------------------------------------------------------------------------------------------------------------
"People who say it cannot be done should not interrupt those who are doing it.";
labs : [www.businessinfo.co.uk]
blog : [www.thespanner.co.uk]
Hackvertor : [hackvertor.co.uk]

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