Threat Actor

MoustachedBouncer

Also known as: MoustachedBouncer

[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)

8
Techniques
3
Software

Properties

stix_id
intrusion-set--7251b44b-6072-476c-b8d9-a6e32c355b28
signal_observed_at
2026-09-11T17:55:00+00:00
type
intrusion-set

MITRE ATT&CK Techniques (8)

Content Injection

Adversaries may gain access and continuously communicate with victims by injecting malicious content into systems through online network traffic. Rath

Exploitation for Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges. Exploitation of a software vulnerability occurs when an adversar

JavaScript

Adversaries may abuse various implementations of JavaScript for execution. JavaScript (JS) is a platform-independent scripting language (compiled just

PowerShell

Adversaries may abuse PowerShell commands and scripts for execution. PowerShell is a powerful interactive command-line interface and scripting environ

Proxy

Adversaries may use a connection proxy to direct network traffic between systems or act as an intermediary for network communications to a command and

Remote Data Staging

Adversaries may stage data collected from multiple systems in a central location or directory on one system prior to Exfiltration. Data may be kept in

Screen Capture

Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation. Screen capturing functionality m

Software Packing

Adversaries may perform software packing or virtual machine software protection to conceal their code. Software packing is a method of compressing or

Software & Tools (3)

Disco [malware]

[Disco](https://attack.mitre.org/software/S1088) is a custom implant that has been used by [MoustachedBouncer](https://attack.mitre.org/groups/G1019)

NightClub [malware]

[NightClub](https://attack.mitre.org/software/S1090) is a modular implant written in C++ that has been used by [MoustachedBouncer](https://attack.mitr

SharpDisco [malware]

[SharpDisco](https://attack.mitre.org/software/S1089) is a dropper developed in C# that has been used by [MoustachedBouncer](https://attack.mitre.org/

Explore this actor's full graph with Ninja Signal

MoustachedBouncer — Threat Actor Profile — Ninja Signal | Ninja Signal