Anonymous released their own Operating system . Anonymous-OS Live is an ubuntu-based distribution and created under Ubuntu 11.10 and uses Mate desktop. Developer claimed this OS is for created for educational purposes, to checking the security of web pages.
Anonymous-os has pre-installed the following application: Anonymous HOIC, ParolaPass password Generator, Ddosim, Havij,sqlmap and more tools.
A tweet from @AnonOps says “The Anon OS is fake it is wrapped in trojans,” and another from @YourAnonNews says “Seeing lots of news about just-released purported “Anonymous OS.” BE CAREFUL! Remember the Zeus Trojan incident w/Slowloris recently!”
The OS is not from any genuine source, it might be backdoored OS by hacker or some others. You better stay away from anything related Anonymous.