It contains a javascript file and a php file that would embedd a keylogger in XSS Reflected point.... First of all put your both .js file and .php file on a server.... Then just edit your .js file and remove http://127.0.0.1/keylogger/keylogger.php?c= to your keylogger.php path with ?c= Then open script file and use the script.... Go back to your server and you'll find a keylog.txt file containing the keylogs....