Intrusion setG1019

MoustachedBouncer

MoustachedBouncer is a cyberespionage group that has been active since at least 2014 targeting foreign embassies in Belarus.

Documented techniques
8
Assessed motivation
Espionage
First seen
2014
Basis
MITRE ATT&CK

How they break in

Techniques MITRE has documented this group using, grouped by the stage of an attack they belong to. This is the actionable half: each one is a behaviour you can look for in your own logs, and a control you can test.

Malware

Families MITRE records this group deploying. Detection names for these are a reasonable place to start.

DiscoNightClubSharpDisco
Source: MITRE ATT&CK View the original record · Last synchronised 2026-09-09 · Origin and motivation are read from MITRE’s own description and are not structured fields in ATT&CK. Where the text does not attribute a group, this page leaves them blank rather than guessing.