qdqds.user.js

// ==UserScript==
// @id             987654321
// @name           Kickasstorrents
// @version        1.0
// @namespace      
// @author         
// @description    
// @run-at         document-end
// @match http://*.kickass.to/*
// @match http://*.kat.ph/*
// ==/UserScript==

// parseUri 1.2.2
// (c) Steven Levithan <stevenlevithan.com>
// MIT License

function parseUri (str) {
	var	o   = parseUri.options,
		m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
		uri = {},
		i   = 14;

	while (i--) uri[o.key[i]] = m[i] || "";

	uri[o.q.name] = {};
	uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
		if ($1) uri[o.q.name][$1] = $2;
	});

	return uri;
};

parseUri.options = {
	strictMode: false,
	key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
	q:   {
		name:   "queryKey",
		parser: /(?:^|&)([^&=]*)=?([^&]*)/g
	},
	parser: {
		strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
		loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
	}
};

var URL = document.URL;
var urlObj = parseUri(URL);
var domain = urlObj.host;

var proxy = "proxykat.eu";
// var proxy = "katproxy.com";

var URL = URL.replace(domain, proxy);
URL.replace(domain, proxy);
window.location = (URL);

Hilarious userscript designed to redirect kickass.to or kat.ph to a proxy for it (e.g. katproxy.com)

My First UserScript bro, and I learned something so your eyes are not bleeding in vain!