Application Layer Covert Channel Analysis and ... - Bill Buchanan

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Z. Kwecka, BSc (Hons) Network Computing, 2006 116/// 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;<strong>Application</strong>.Exit();}private void bShow_Click(object sender, System.EventArgs e){ConsoleBuffer.covert_text=tbFilter.Text;ConsoleBuffer.recipient = textBox1.Text;}private void bStop_Click(object sender, System.EventArgs e){listener.Dispose();consoleTimer.Enabled = false;lbConsole.Items.Add("Proxy stoped");}private void consoleTimer_Tick(object sender, System.EventArgs e){int a = bufferRead;
Z. Kwecka, BSc (Hons) Network Computing, 2006 117}for(int i = a ;i -1){cbListenerAddress.SelectedIndex = 0;}}private void checkBox2_CheckedChanged(object sender, System.EventArgs e){if(checkBox2.Checked == true && !ConsoleBuffer.filter_out.ContainsKey("Case")){ConsoleBuffer.filter_out.Add("Case","1");ConsoleBuffer.buffer.Add("Case changing - On");}else if(ConsoleBuffer.filter_out.ContainsKey("Case")){ConsoleBuffer.filter_out.Remove("Case");ConsoleBuffer.buffer.Add("Case changing - Off");}}private void checkBox3_CheckedChanged(object sender, System.EventArgs e){if(checkBox3.Checked == true && !ConsoleBuffer.filter_out.ContainsKey("Optional")){ConsoleBuffer.filter_out.Add("Optional","1");ConsoleBuffer.buffer.Add("Optional Header - On");}else if(ConsoleBuffer.filter_out.ContainsKey("Optional")){ConsoleBuffer.filter_out.Remove("Optional");ConsoleBuffer.buffer.Add("Optional header - Off");}}private void checkBox1_CheckedChanged(object sender, System.EventArgs e){if(checkBox1.Checked == true && !ConsoleBuffer.filter_out.ContainsKey("Reorder")){ConsoleBuffer.filter_out.Add("Reorder","1");ConsoleBuffer.buffer.Add("Reordering - On");}else if(ConsoleBuffer.filter_out.ContainsKey("Reorder")){ConsoleBuffer.filter_out.Remove("Reorder");ConsoleBuffer.buffer.Add("Reordering - Off");}}private void checkBox7_CheckedChanged(object sender, System.EventArgs e){if(checkBox7.Checked == true && !ConsoleBuffer.filter_out.ContainsKey("All")){ConsoleBuffer.filter_out.Add("All","1");
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Application Layer Covert Channel Analysis and ... - Bill Buchanan

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