a javascript keylogger included in a gif file This is a PoC
The idea to inlcuding javascript in a .gif file came form Saumil Shah @therealsaumil
(site: http://www.net-square.com )
This technique he named "IMAJS"
The asm file for this, came form Ange Albertini @angealbertin ( site: http://code.google.com/p/corkami/ )
only for tests
more infos:
https://deepsec.net/docs/Slides/2012/DeepSec_2012_Saumil_Shah_-_Bad_Things_in_good_Packages.pdf
this is a basic PoC
no evasion nor bypass of JS Filters
For some more fun with obf. JS visit https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet