How to find out the name or ip address of an attacker on a local network?

Question

C++ / C#

Let's imagine that there are 3 PCs in the room and one of them decided to joke and prescribe shutdown, but the program blocks its action, this is very good, and then the question arises, how to get the name or ip address on the local network of the one who decided to play a joke on you, to immediately understand who mows

Answer 1

https://www.tenforums.com/tutorials/78335-read-shu...