From d50b07ac5605af6d2cace42d6027aef3960c5a6c Mon Sep 17 00:00:00 2001
From: bcoles <bcoles@gmail.com>
Date: Sat, 18 Feb 2012 19:10:02 +1030
Subject: [PATCH] Added Unhook module. Fixes issue #525.

---
 modules/browser/unhook/command.js  | 39 ++++++++++++++++++++++++++++++
 modules/browser/unhook/config.yaml | 25 +++++++++++++++++++
 modules/browser/unhook/module.rb   | 24 ++++++++++++++++++
 3 files changed, 88 insertions(+)
 create mode 100644 modules/browser/unhook/command.js
 create mode 100644 modules/browser/unhook/config.yaml
 create mode 100644 modules/browser/unhook/module.rb

diff --git a/modules/browser/unhook/command.js b/modules/browser/unhook/command.js
new file mode 100644
index 000000000..8ab5edce1
--- /dev/null
+++ b/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) { }
+
+});
+
diff --git a/modules/browser/unhook/config.yaml b/modules/browser/unhook/config.yaml
new file mode 100644
index 000000000..70885f341
--- /dev/null
+++ b/modules/browser/unhook/config.yaml
@@ -0,0 +1,25 @@
+#
+#   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:
+    module:
+        unhook:
+            enable: true
+            category: "Browser"
+            name: "Unhook"
+            description: "This module removes the BeEF hook from the hooked page."
+            authors: ["bcoles"]
+            target:
+                 working: ["All"]
diff --git a/modules/browser/unhook/module.rb b/modules/browser/unhook/module.rb
new file mode 100644
index 000000000..63f5c8df1
--- /dev/null
+++ b/modules/browser/unhook/module.rb
@@ -0,0 +1,24 @@
+#
+#   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.
+#
+class Unhook < BeEF::Core::Command
+
+	def post_execute 
+		content = {}
+		content["result"] = @datastore["result"] if not @datastore["result"].nil?
+		save content
+	end
+
+end