HellHounds
Hellhounds is an APT group targeting organizations in Russia, using a modified version of Pupy RAT called Decoy Dog. They gain initial access through vulnerable web services and trusted relationships, with a focus on the public sector and IT companies. The group has been active since at least 2019, maintaining covert presence inside compromised organizations by modifying open-source projects to evade detection. Hellhounds have successfully targeted at least 48 victims, including a telecom operator where they disrupted services.
CVEs in recent coverage
No CVEs named alongside this actor in the last 90 days.
Recent victims
No leak-site posts on record for this group.
Recent activity
No posts or advisories have named this actor recently.
References
- https://www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/hellhounds-operation-lahat-part-2/
- https://ics-cert.kaspersky.com/publications/reports/2024/04/02/apt-and-financial-attacks-on-industrial-organizations-in-h2-2023/
From the MISP threat-actor galaxy, MITRE ATT&CK and RansomLook (CC BY 4.0). Activity is any post or advisory Watch Floor collected that names the actor or one of its aliases.