MAC OS-X rootkit that has a lot of standard tools included, adds a TCP backdoor via inetd, does data recon, and more.
You can download it from the following link: https://packetstormsecurity.com/files/download/34317/osxrk-0.2.1.tbz
Source: https://packetstormsecurity.com/files/34317/osxrk-0.2.1.tbz.html