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Validation disclaimer: TTP overlap, actor similarity, generated summaries, and coverage findings are investigation leads, not attribution proof or operational validation without analyst review.

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G1019 · 8 ATT&CK techniques · 0 correlated reports

MoustachedBouncer

Aliases: None listed

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

Open interactive actor investigation

ATT&CK techniques

T1059.001
PowerShellT1059.007
JavaScriptT1027.002
Software PackingT1113
Screen CaptureT1090
ProxyT1068
Exploitation for Privilege EscalationT1074.002
Remote Data StagingT1659
Content Injection

Correlated CTI and IR reports

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Cyber Knowledge routes

These contextual routes explain behaviors associated with this ATT&CK group record. They support learning and investigation planning; they do not add attribution evidence.

Module 4 — Detection engineering and detection as code
Blue Team & Defensive Security · explicit-idModule 5 — Threat hunting
Blue Team & Defensive Security · explicit-nameWindows endpoint and identity forensics
Digital Forensics & Incident Response (DFIR) · explicit-nameMobile and Android vulnerability research
Vulnerability Research & Exploit Development · explicit-nameModule 7 — Privilege, lateral movement, and controlled impact
Red Team & Offensive Security · explicit-nameModule 3 — Vulnerability discovery and validation
Red Team & Offensive Security · topic-matchPrompt injection, instruction hierarchy, and secure output handling
AI Security · topic-matchMemory-safety and low-level weakness classes
Vulnerability Research & Exploit Development · topic-matchExploitability validation and laboratory exploit engineering
Vulnerability Research & Exploit Development · topic-matchInfrastructure as code, CI/CD, artifact provenance, and policy as code
Cloud Security · topic-matchModule 13 — AI-assisted defense, RAG, agents, and MCP
Blue Team & Defensive Security · topic-matchBrowser, frontend, and cross-origin security
Secure Code & Application Security · topic-match