Slides, Indicators of Compromise, YARA rules, and Python scripts for the Kaspersky TheSAS2021 talk "Learning to ChaCha with APT41".
Link to event description: https://securelist.com/sas-at-home-2021/104303/
Link to recording (via Kaspersky's website): https://securelist.com/webinars/sas-2021-learning-to-chacha-with-apt41/