18 thoughts on “ Hiding Executable Javascript In Images That Pass Validation ” okowsc says: November 15, 2014 at 7:26 am Interesting method, has a few applications. Report ...

V8 and Nitro would convert JavaScript into pieces of executable code that the CPU could run directly, improving performance by a factor of three or more. Mozilla and Microsoft followed suit.

Once opened in a browser, the code decrypts a secondary payload using a static XOR key and then redirects the user to an ...