WindowsSecurity.com has an article by Massimiliano Romano, Simone Rosignoli and Ennio Giannini on “How Botnets work”.

It’s a very in-depth (and technical) article that will give you lots of gory details.

What you will learn…

  • what are bots, botnets, and how they work,
  • what features most popular bots offer,
  • how a host is infected and controlled,
  • what preventive measures are available and how to respond to bot infestation.

What you should know…

  • how malware works (trojans and worms in particular),
  • mechanisms used in DDoS attacks,
  • basics of TCP/IP, DNS and IRC.

Structure of a typical botnet.

Botnet hardening

Link here.

Alex Eckelberry