RDP protocol TCP/RDP port 3389

Remote Desktop Protocol (RDP)
RDP is a proprietary protocol developed by Microsoft for their Terminal Server services.

SSL (TLS 1.0): The SSL method requires the use of TLS 1.0 to authenticate the RD Session Host server.

Wireshark decode encapsulated traffic and decode SSL

https://docs.microsoft.com/en-us/troubleshoot/windows-server/remote/understanding-remote-desktop-protocol

https://wiki.wireshark.org/RDP

Good information on this one:

https://www.golinuxcloud.com/decrypt-rdp-traffic-wireshark-frida/