Added Unhook module. Fixes issue #525.

modules/browser/unhook/command.js

@@ -0,0 +1,39 @@
+//
+//   Copyright 2012 Wade Alcorn wade@bindshell.net
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//
+beef.execute(function() {
+
+	beef.net.send("<%= @command_url %>", <%= @command_id %>, "result=sent unhook request");
+
+	// remove script tag(s)
+	try {
+		var scripts = document.getElementsByTagName("script");
+		for (var i=0; i<scripts.length; i++) {
+			if (scripts[i].src.match(/https?:\/\/[^\/]+\/hook\.js/)) {
+				scripts[i].parentNode.removeChild(scripts[i]);
+			}
+		}
+	} catch (e) { }
+
+	// attempt to clean up DOM
+	try {
+		delete beef;
+		delete BEEFHOOK;
+		beef_init=null;
+		BeefJS=null;
+	} catch (e) { }
+
+});
+