Application Layer Covert Channel Analysis and ... - Bill Buchanan
Application Layer Covert Channel Analysis and ... - Bill Buchanan
Application Layer Covert Channel Analysis and ... - Bill Buchanan
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Z. Kwecka, BSc (Hons) Network Computing, 2006 81listener.Start();lbConsole.Items.Add("Proxy started");lbConsole.Items.Add("Listening on" +construct.Replace(";int:",":").Replace("host:",": "));consoleTimer.Enabled = true;}catch{Console.WriteLine("Error while staring the Listener.\r\n(Perhaps the specifiedport is already in use?)");return;}}/// /// Creates a new Listener obejct from a given listener name <strong>and</strong> a given listenerparameter string./// /// The type of object to instantiate./// /// public Listener CreateListener(string type, string cpars){try{string [] parts = cpars.Split(';');object [] pars = new object[parts.Length];string oval = null, otype = null;int ret;// Start instantiating the objects to give to the constructorfor(int i = 0; i < parts.Length; i++){ret = parts[i].IndexOf(':');if (ret >= 0){otype = parts[i].Substring(0, ret);oval = parts[i].Substring(ret + 1);}else{otype = parts[i];}switch (otype.ToLower()){case "int":pars[i] = int.Parse(oval);break;case "host":pars[i] = Dns.Resolve(oval).AddressList[0];break;case "null":pars[i] = null;break;case "string":pars[i] = oval;break;case "ip":pars[i] = IPAddress.Parse(oval);break;default:pars[i] = null;break;}}return (Listener)Activator.CreateInstance(Type.GetType(type), pars);}catch{return null;}}private void bExit_Click(object sender, System.EventArgs e){if(listener != null)listener.Dispose();consoleTimer.Enabled = false;