This is creating a beacon network through the use of the ICMP protocol The use case is a competition environment where some machines have ping check for scoring thus ping has to be allowed through the firewall. Since ping is a check, it makes for a good lateral movement point.
Server
pyhton3 server.pyClient
pyhton3 beacon.pyThere is the argument of -v to allow for a verbose output for whenever a cmd is run on both the client and the server