It's a TriStation Protocol Dissector, yo.
It's more crude than #tubular, but here's a basic Wireshark LUA dissector for TriStation.
Ref pcap: https://packettotal.com/app/analysis?id=0e55d9467f138d148c9635617bc8fd83
stvemillertime/TriStation-Wireshark-Dissector
Basic Wireshark LUA dissector for TriStation Protocol
Lua