NanoCore
Please use Nanocore in a Virtual Machine or another safe environment and disable your anti-virus.
Nanocore download for those who want to do malware analysis on it and study it's behavior as well as play around with its features.
Please DO NOT use this software to harm others and whatever actions you take is not my responsability.
There is no secret backdoor in this Nanocore and you can also submit it to Virustotal to confirm this.