Malzilla is an advanced malware-hunting tool specialized for hunting web-based exploits, decode obfuscated JavaScripts etc. Web pages that contain exploits often use a series of redirects and obfuscated code to make it more difficult for somebody to follow.

Malzilla allows you to choose your own user agent and referrer, and has the capability to use proxies. It shows you the full source of webpages and all the HTTP headers. It gives you various decoders to try and deobfuscate javascript aswell.

The license of this software is Free, you can free download and free use this protocol analyzer software.