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Steganography & Covert Channels

30 hours 6 Modules 15+ Labs Intermediate

Course Description​

Learn covert communication techniques used by adversaries to hide data and evade detection.

Course Structure​

Modules​

Module 1: Fundamentals (4h)​

  • Steganography concepts
  • Covert channel types
  • Historical techniques
  • Modern applications

Module 2: Image Steganography (6h)​

  • LSB embedding
  • DCT domain hiding
  • Steganalysis basics
  • Tool usage

Module 3: Audio/Video (5h)​

  • Audio steganography
  • Video hiding techniques
  • Document steganography
  • Multi-media covert channels

Module 4: Network Channels (6h)​

  • DNS tunneling
  • ICMP hiding
  • HTTP covert channels
  • TCP/IP manipulation

Module 5: Protocol Abuse (5h)​

  • Protocol field abuse
  • Timing channels
  • Storage channels
  • Encrypted tunnels

Module 6: Detection & Defense (4h)​

  • Steganalysis tools
  • Statistical analysis
  • Network detection
  • Forensic identification

Tools​

ToolPurpose
SteghideImage stego
OpenStegoMulti-format
dnscat2DNS tunneling
ptunnelICMP tunneling