In the recent Hack.LU 2014 conference Saumil Shah from net-square gave a talk on “Hacking with Pictures”. The basic idea behind this talk is hiding Javascipt inside a JPEG file.
more here...........http://hiddencodes.wordpress.com/2014/10/29/hide-javascript-inside-jpeg-file/
more here...........http://hiddencodes.wordpress.com/2014/10/29/hide-javascript-inside-jpeg-file/