Callisto
Also known as COLDRIVER, SEABORGIUM, TA446, GOSSAMER BEAR, BlueCharlie, Star Blizzard, TAG-53, IRON FRONTIER, UNC4057, Blue Callisto, COLD RELIC, Callisto Group
The Callisto Group is an advanced threat actor whose known targets include military personnel, government officials, think tanks, and journalists in Europe and the South Caucasus. Their primary interest appears to be gathering intelligence related to foreign and security policy in the Eastern Europe and South Caucasus regions.
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.
ATT&CK techniques
Recent activity
No posts or advisories have named this actor recently.
References
- https://web.archive.org/web/20170417102235/https://www.f-secure.com/documents/996508/1030745/callisto-group
- https://blog.google/threat-analysis-group/tracking-cyber-activity-eastern-europe
- https://blog.google/threat-analysis-group/update-on-cyber-activity-in-eastern-europe
- https://blog.google/threat-analysis-group/continued-cyber-activity-in-eastern-europe-observed-by-tag
- https://www.microsoft.com/security/blog/2022/08/15/disrupting-seaborgiums-ongoing-phishing-operations
- https://blog.sekoia.io/calisto-continues-its-credential-harvesting-campaign
- https://services.google.com/fh/files/blogs/google_fog_of_war_research_report.pdf
- https://www.recordedfuture.com/research/bluecharlie-previously-tracked-as-tag-53-continues-to-deploy-new-infrastructure-in-2023
- https://www.microsoft.com/en-us/security/blog/2023/12/07/star-blizzard-increases-sophistication-and-evasion-in-ongoing-attacks/
- https://go.recordedfuture.com/hubfs/reports/cta-2022-1205.pdf
- https://www.pwc.com/gx/en/issues/cybersecurity/cyber-threat-intelligence/blue-callisto-orbits-around-us.html
- https://www.ncsc.gov.uk/files/Advisory-Russian-FSB-cyber-actor-star-blizzard-continues-worldwide-spear-sphishing-campaigns.pdf
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.