Get the Whitepaper called Covert TCP/IP Network Channels Using Whitenoise Protocol.
You can download it from the following link: https://packetstormsecurity.com/files/download/81817/tcp_covert_channels_whitenoise.pdf
Source: https://packetstormsecurity.com/files/81817/Covert-TCP-IP-Network-Channels-Using-Whitenoise-Protocol.html