Pupy rat is an open source tool for cross-platform remote administration (Windows, Linux, OSX, Android are supported as “clients”) and subsequent exploitation (post-exploitation). Written mostly in Python.

Simply put, this program, which can create backdoors for different systems, perform actions for attaching to remote systems, perform exploits to collect data, increase the privileges of downloading and uploading files, capture the screen, capture keystrokes, etc. as well as other similar tools, also perfectly is suitable for legitimate remote administration of systems.