A standalone version to demo the idea of DoppelgangerProxy.
It can transform tcp traffic into NTP/Minecraft protocol.
Transform TCP into NTP
python udp_server.py
python tcp_udp_forwarder_ntp.py
python tcp_client.py
Tranform TCP into Minecraft
python tcp_server.py
python tcp_forwarder_minecraft.py
python tcp_client.py
You can sniff the network traffic with Wireshark on interfact 'lo'.