Xillen Killers
Xillen Killers is a cybercrime syndicate with a financial motive, tracked by Brandefense. It uses 4 MITRE ATT&CK techniques.
- Techniques
- 4
- Exploited CVEs
- No CVE data
- First seen
- Sep 17, 2025
- Last seen
- Sep 21, 2025
- Record updated
About Xillen Killers.
A group that brands themselves, develops malware (XillenStealer), and runs a broader underground marketplace offering DDoS services, exploit frameworks, and penetration testing tools.
Last updated Jul 24, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.