Kbd v3.0 is a Linux loadable kernel module backdoor. Allows root access by modifying the SYS_utime and SYS_getuid32 system calls. Can be used in conjunction with cleaner.c from the adore root for stealth capability.
You can download it from the following link: https://packetstormsecurity.com/files/download/25027/kbdv3.c
Source: https://packetstormsecurity.com/files/25027/kbdv3.c.html