Chinese Hackers Targeting European Entities with New MQsTTang Backdoor

The China-aligned Mustang Panda actor has been observed using a hitherto unseen custom backdoor called MQsTTang as part of an ongoing social engineering campaign that commenced in January 2023.
“Unlike most of the group’s malware, MQsTTang doesn’t seem to be based on existing families or publicly available projects,” ESET researcher Alexandre Côté Cyr said in a new report.
Attack chains