S0262 · tool · ATT&CK software
QuasarRAT
7 actors on record using it
Every mark is an actor ATT&CK records using this software. Red ones also exploit a CVE in CISA KEV.
Open S0262 on attack.mitre.orgQuasarRAT is an open-source, remote access tool that has been publicly available on GitHub since at least 2014. QuasarRAT is developed in the C# language.
Source: MITRE ATT&CK, S0262. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.
- Also known as
- xRAT
Every one of the 7 is a mark on the map. Named now: 1 to 7, most on record first.
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-15 · CISA KEV checked 2026-11-15. Sources: MITRE ATT&CK (© The MITRE Corporation, reproduced and distributed with its permission), the MISP Galaxy (CC0), and CyberSIXT's own coverage.