Malware Script Detector v.01 [ requires GreaseMonkey Addon ]

I just received this from a friend of mine.here is the description:-
"Detect & Alert Malicious JavaScript : XSSProxy, XSS-Shell, AttackAPI, Beef. But No guarantee for full prevention of XSS-Injection threats. Many ways to bypass it such as via iframes but I'm sure it protects you from casual attackers."

you can get it here:-
Click Here to Download