Not sure if this would work also for connectionless protocols such as UDP. That is, if I open a socket and send some datagrams to an external address:port to ex

Not sure if this would work also for connectionless protocols such as UDP. That is, if I open a socket and send some datagrams to an external address:port to exfiltrate users data, then close the socket and exit, I don't think it would be able to tell which program did that, unless it detects it live.