MALWARE FAMILY

FinFisher RAT

Internal ID: win.finfisher

aliases

Last seen:Mar 17, 2026

Intelligence Profile

FinFisher is a commercial software used to steal information and spy on affected victims. It began with few functionalities which included password harvesting and information leakage, but now it is mostly known for its full Remote Access Trojan (RAT) capabilities. It is mostly known for being used in governmental targeted and lawful criminal investigations. It is well known for its anti-detection capabilities and use of VMProtect.

Threat Analysis

FinFisher RAT is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→http://www.msreverseengineering.com/blog/2018/1/23/a-walk-through-tutorial-with-code-on-statically-unpacking-the-finspy-vm-part-one-x86-deobfuscation

→https://artemonsecurity.blogspot.de/2017/01/finfisher-rootkit-analysis.html

→https://cloudblogs.microsoft.com/microsoftsecure/2018/03/01/finfisher-exposed-a-researchers-tale-of-defeating-traps-tricks-and-complex-virtual-machines/

→https://github.com/RolfRolles/FinSpyVM

→https://netzpolitik.org/2020/our-criminal-complaint-german-state-malware-company-finfisher-raided/

→https://netzpolitik.org/2022/nach-pfaendung-staatstrojaner-hersteller-finfisher-ist-geschlossen-und-bleibt-es-auch/

→https://securelist.com/apt-trends-report-q2-2019/91897/

→https://securelist.com/blackoasis-apt-and-new-targeted-attacks-leveraging-zero-day-exploit/82732/

→https://securelist.com/finspy-unseen-findings/104322/

→https://www.amnesty.org/en/latest/research/2020/09/german-made-finspy-spyware-found-in-egypt-and-mac-and-linux-versions-revealed/

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.finfisher

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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