[MoustachedBouncer](https://attack.mitre.org/groups/G1019) is a cyberespionage group that has been active since at least 2014 targeting foreign embassies in Belarus.(Citation: MoustachedBouncer ESET August 2023)
MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.