Designing BSD Rootkits arms you with the knowledge you need to write offensive rootkits, defend against evil, and to explore the FreeBSD kernel and operating system in the process. Compiled as a tutorial, Designing BSD Rootkits will teach you the basics of programming and developing rootkits under the FreeBSD operating system. Includes: The basics of the FreeBSD kernel module programming Using call hooking to subvert the FreeBSD kernel directly manipulating kernel objects depend on the population registry to an internal kernel patch code in main memory, in other words, changing the logic of the kernel while it is still running How to defend against the attack described Hack the FreeBSD kernel for yourself!