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

Z. Kwecka, BSc (Hons) Network Computing, 2006 79Appendix 4 - Inline Filtering Agent - Code ListingClasses used by IFA:- Form1- ConsoleBuffer- Listener- HttpListener- Client- HttpClinetThe Listener, HttpListener and Client classes were taken form a Mentalis.org Proxy 13and were not modified in this project. Whilst Form1 and ConsoleBuffer weredeveloped specifically for the prototype, HttpClient class was rewritten fromMentalis.org Proxy, leaving only the basic request-response handling semantic fromthe original and introducing prototype’s logic.Form1 and ConsoleBuffer classes are specified within Proxy.cs file as follows:/** Autor: Zbigniew Kwecka* Matric: 03008457* Contact: z.kwecka@gmial.com* Napier University, Edinburgh*/using System;using System.Drawing;using System.Collections;using System.Collections.Specialized;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Net;using System.Text;namespace FilterProxy_GUI{/// /// GUI/// public class Form1 : System.Windows.Forms.Form{private System.Windows.Forms.Button bRun;private System.Windows.Forms.ListBox lbConsole;private System.Windows.Forms.Button bExit;private System.Windows.Forms.Button bShow;private System.Windows.Forms.Button bStop;private System.Windows.Forms.Timer consoleTimer;private System.Windows.Forms.TextBox tbFilter;private System.Windows.Forms.Button bSetFilter;private System.Windows.Forms.TextBox tbListenerPort;private System.Windows.Forms.ComboBox cbListenerAddress;private System.Windows.Forms.CheckBox checkBox1;private System.Windows.Forms.CheckBox checkBox2;private System.Windows.Forms.CheckBox checkBox3;private System.Windows.Forms.CheckBox checkBox4;private System.Windows.Forms.CheckBox checkBox5;private System.Windows.Forms.CheckBox checkBox6;private System.Windows.Forms.CheckBox checkBox7;private System.Windows.Forms.GroupBox groupBox1;private System.Windows.Forms.Button button1;private System.Windows.Forms.TextBox tbHeader;private System.ComponentModel.IContainer components;13 Autor: KPD-Team; Website: http://www.mentalis.org/soft/projects/Proxy/