It's specifically targeting Firefox 17 for Windows. Versions less than 17 seem to be targeted as well, but the resource (content_1.html) doesn't seem to have ev

It's specifically targeting Firefox 17 for Windows. Versions less than 17 seem to be targeted as well, but the resource (content_1.html) doesn't seem to have ever been available. It does not target anything above 17. http://pastebin.mozilla.org/2777139 http://pastebin.mozilla.org/2777139