Designing BSD Rootkits: An Introduction to Kernel Hacking | Joseph Kong
"Designing BSD Rootkits" introduces the fundamentals of programming and developing rootkits under the FreeBSD operating system. Written in a friendly, accessible style and sprinkled with geek humor and pop culture references, the author favors a "learn by example" approach that assumes no prior kernel hacking experience.
Designing BSD Rootkits: An Introduction to Kernel Hacking | 
