Malware
azazel
Azazel is a Linux user-mode rootkit based off of a technique from the Jynx rootkit (LD_PRELOAD technique).
azazel is a Linux malware family.
Background
Azazel is a userland rootkit for Linux that builds on the LD_PRELOAD approach pioneered by the Jynx rootkit. It is claimed to be sturdier than Jynx and ships with a considerably larger set of anti-analysis capabilities.
Source: Malpedia (Fraunhofer FKIE).