Pupy is an open source, cross-platform (Windows, Linux, OSX, Android) remote administration and post-exploitation tool. (Citation: GitHub Pupy) It is written in Python and can be generated as a payload in several different ways (Windows exe, Python file, PowerShell oneliner/file, Linux elf, APK, Rubber Ducky, etc.). (Citation: GitHub Pupy) Pupy is publicly available on GitHub. (Citation: GitHub Pupy)