Types of covert channels
  We'll be discussing the following types of covert channels
  File-based Steganography
  Image, sound, and text files
  Network Packet Steganography
  Hiding data inside IP packets
  Protocol Encapsulation
  TCP over SSL 
  TCP over SSH (port forwarding)
  Application-layer Tunnelling
  TCP over HTTP / DNS / ICMP / etc

Copyright 2003, Bri Hatch of Onsight, Inc.

Presented at SecureWorld Expo, 2003.

Presentation created using vim and MagicPoint.