The SSHStalker Linux botnet has ensnared 7,000 systems, deploying various scanners and malware, an IRC bot, and multiple kernel exploits.
It's just as powerful and simple, but (if you want) it can be self-hosted for maximum privacy.
Did you know you can check the maximum speed of a USB port with one command?
My 5 favorite Linux distros that are ready to use out of the box (no setup required) ...