As you probably know there isn't going to be a package to emulate any old service. The closest you will get are probably:

* FakeNet-NG (dev has been suspended indefinitely) [0]

* INetSim [1]

Reverse engineering, and malware analysis skills will transfer to this task directly.

[0]: https://github.com/mandiant/flare-fakenet-ng

[1]: https://www.inetsim.org/downloads.html