File · Callisto · Unknown · assessed origin Russia · misp-galaxy + mitre-attack · refreshed 2026-10-06
Callisto
- COLDRIVER
- SEABORGIUM
- TA446
- GOSSAMER BEAR
- BlueCharlie
- Star Blizzard
- TAG-53
- IRON FRONTIER
attack rose · 20 techniques across 8 tactics
Last 30 days
last seen 17 d agoWhat changed
ledger · newest first- —17 d agoresurfacedback on the wire — nothing in the previous 30 days
Analyst brief
misp-galaxy + mitre-attackThe 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.
Observed targets (as stated by the sources)
0 countries · 4 sectorsassessed origin · Russiaobserved targets · 0
sectors · 4
- Government Administration
- Military
- Think Tanks
- Journalist
as stated by MISP galaxy / ransomware.live — not inferred
Kill chain
MITRE ATT&CK Enterprise · tap a technique20 techniques · 8 of 15 tactics
Reconnaissance
4 techniquesResource development
7 techniquesInitial access
1 techniqueExecution
2 techniquesStealth
2 techniquesCredential access
1 techniqueLateral movement
1 techniqueCollection
2 techniques
select a technique
Arsenal
1 malware| Malware · 1 | ATT&CK |
|---|---|
| Spica | S1140 ↗ |
as stated by MITRE ATT&CK · “shared by” counts roster dossiers citing the same S-id
Take it with you
keyless · no signupReferences
33 sources- 1.web.archive.org/web/20170417102235/https://www.f-secure.com/documents/…
- 2.blog.google/threat-analysis-group/tracking-cyber-activity-eastern-…
- 3.blog.google/threat-analysis-group/update-on-cyber-activity-in-east…
- 4.blog.google/threat-analysis-group/continued-cyber-activity-in-east…
- 5.microsoft.com/security/blog/2022/08/15/disrupting-seaborgiums-ongoin…
- 6.blog.sekoia.io/calisto-continues-its-credential-harvesting-campaign
- 7.services.google.com/fh/files/blogs/google_fog_of_war_research_report.pdf
- 8.recordedfuture.com/research/bluecharlie-previously-tracked-as-tag-53-cont…
- 9.microsoft.com/en-us/security/blog/2023/12/07/star-blizzard-increases…
- 10.go.recordedfuture.com/hubfs/reports/cta-2022-1205.pdf
- +23 more in the JSON record
Track Callisto on the wire.
This dossier is already data: the keyless actor API and a STIX 2.1 bundle. Mentions on the wire reach Telegram and RSS as they land.
Check your stack
Paste what you run: the CVEs exploited in the wild against it, and who is cited as exploiting them, with the report.
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