BIOPASS is a Python Remote Access Trojan (RAT) that was spotted in attacks targeting online gambling companies in China. Attackers use OBS Studio's (obsproject.com) RTMP (Real-Time Messaging Protocol) streaming capabilities to record the user's screen & broadcast it to an attacker's control panel.

https://www.trendmicro.com/en_us/research/21/g/biopass-rat-new-malware-sniffs-victims-via-live-streaming.html