LiveActive security incident?Get immediate response
MITRE ATT&CK® Group

G1033: Star Blizzard

Star Blizzard is a cyber espionage and influence group originating in Russia that has been active since at least 2019. Star Blizzard campaigns align closely with Russian state interests and have included persistent phishing and credential theft against academic, defense, government, NGO, and think tank organizations in NATO countries, particularly the US and the UK.[1][2][3][4]

EnterpriseG1033GroupObject v2.0Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

G1033: Star Blizzard describes [Star Blizzard](https://attack.mitre.org/groups/G1033) is a cyber espionage and influence group originating in Russia that has been active since at least 2019. [Star Blizzard](https://attack.mitre.org/groups/G1033) campaigns align closely with Russian state interests and have included persistent phishing and credential theft against academic, defense, government, NGO, and think tank organizations in NATO countries, particularly the US and the UK.(Citation: Microsoft Star Blizzard August 2022)(Citation: CISA Star Bl...

Executive priority

G1033: Star Blizzard is an official MITRE ATT&CK group. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.

Technical view

Security teams should validate G1033: Star Blizzard by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (the platforms named in the official object), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata

Detection direction

  • Validate whether G1033: Star Blizzard appears in your detection coverage and tabletop scenarios.
  • Use the object to align executive risk language with SOC, incident response, and detection engineering work.
  • Do not treat ATT&CK relationship context as attribution without corroborating evidence.

Mitigation priorities

  • Map the object to existing controls and identify missing telemetry or response ownership.
  • Prioritize mitigations that reduce exposure on the listed platforms and tactics.
  • Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits

Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.

This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

Star Blizzard

Star Blizzard is a cyber espionage and influence group originating in Russia that has been active since at least 2019. Star Blizzard campaigns align closely with Russian state interests and have included persistent phishing and credential theft against academic, defense, government, NGO, and think tank organizations in NATO countries, particularly the US and the UK.[1][2][3][4]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

20 rows
DomainIDNameRelationship / procedure
EnterpriseT1684.001ImpersonationSub-technique

Star Blizzard has registered impersonation email accounts to spoof experts in a particular field or individuals and organizations affiliated with the intended target.[1][2][4]

EnterpriseT1583.001DomainsSub-technique

Star Blizzard has registered domains using randomized words and with names resembling legitimate organizations.[2][3]

EnterpriseT1114.002Remote Email CollectionSub-technique

Star Blizzard has remotely accessed victims' email accounts to steal messages and attachments.[2]

EnterpriseT1550.004Web Session CookieSub-technique

Star Blizzard has bypassed multi-factor authentication on victim email accounts by using session cookies stolen using EvilGinx.[2]

EnterpriseT1204.002Malicious FileSub-technique

Star Blizzard has lured targets into opening malicious .pdf files to deliver malware.[4]

EnterpriseT1608.001Upload MalwareSub-technique

Star Blizzard has uploaded malicious payloads to cloud storage sites.[4]

EnterpriseT1539Steal Web Session Cookie

Star Blizzard has used EvilGinx to steal the session cookies of victims directed to phishing domains.[2]

EnterpriseT1589Gather Victim Identity Information

Star Blizzard has identified ways to engage targets by researching potential victims' interests and social or professional contacts.[2]

EnterpriseT1585.002Email AccountsSub-technique

Star Blizzard has registered impersonation email accounts to spoof experts in a particular field or individuals and organizations affiliated with the intended target.[1][2][4]

EnterpriseT1566.001Spearphishing AttachmentSub-technique

Star Blizzard has sent emails with malicious .pdf files to spread malware.[4]

EnterpriseT1598.002Spearphishing AttachmentSub-technique

Star Blizzard has sent emails to establish rapport with targets eventually sending messages with attachments containing links to credential-stealing sites.[1][2][3][4]

EnterpriseT1598.003Spearphishing LinkSub-technique

Star Blizzard has sent emails to establish rapport with targets eventually sending messages with links to credential-stealing sites.[1][2][3][4]

EnterpriseT1588.002ToolSub-technique

Star Blizzard has incorporated the open-source EvilGinx framework into their spearphishing activity.[2][3]

EnterpriseT1583Acquire Infrastructure

Star Blizzard has used HubSpot and MailerLite marketing platform services to hide the true sender of phishing emails.[3]

EnterpriseT1114.003Email Forwarding RuleSub-technique

Star Blizzard has abused email forwarding rules to monitor the activities of a victim, steal information, and maintain persistent access after compromised credentials are reset.[1][2]

EnterpriseT1585.001Social Media AccountsSub-technique

Star Blizzard has established fraudulent profiles on professional networking sites to conduct reconnaissance.[1][2]

EnterpriseT1078Valid Accounts

Star Blizzard has used stolen credentials to sign into victim email accounts.[1][2]

EnterpriseT1586.002Email AccountsSub-technique

Star Blizzard has used compromised email accounts to conduct spearphishing against contacts of the original victim.[2]

EnterpriseT1059.007JavaScriptSub-technique

Star Blizzard has used JavaScript to redirect victim traffic from an adversary controlled server to a server hosting the Evilginx phishing framework.[3]

EnterpriseT1593Search Open Websites/Domains

Star Blizzard has used open-source research to identify information about victims to use in targeting.[1][2]

Associated objects

Groups, software, and campaigns

Relationship explorer

All related ATT&CK context

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.2
Object version
2.0
Created
Modified
Raw hash
d0958baf5323ef1b...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.22.0Current bundled0958baf5323…
19.12.0Older bundle05ac3aa0f07c…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Microsoft Star Blizzard August 2022

    Microsoft Threat Intelligence. (2022, August 15). Disrupting SEABORGIUM’s ongoing phishing operations. Retrieved June 13, 2024.

    Open source URL
  2. [2]
    CISA Star Blizzard Advisory December 2023

    CISA, et al. (2023, December 7). Russian FSB Cyber Actor Star Blizzard Continues Worldwide Spear-phishing Campaigns. Retrieved June 13, 2024.

    Open source URL
  3. [3]
    StarBlizzard

    Microsoft Threat Intelligence. (2023, December 7). Star Blizzard increases sophistication and evasion in ongoing attacks. Retrieved February 13, 2024.

    Open source URL
  4. [4]
    Google TAG COLDRIVER January 2024

    Shields, W. (2024, January 18). Russian threat group COLDRIVER expands its targeting of Western officials to include the use of malware. Retrieved June 13, 2024.

    Open source URL
  5. [5]
    COLDRIVER

    (Citation: Google TAG COLDRIVER January 2024)

  6. [6]
    Callisto Group

    (Citation: CISA Star Blizzard Advisory December 2023)

  7. [7]
    SEABORGIUM

    (Citation: Microsoft Star Blizzard August 2022)

  8. [8]
    TA446

    (Citation: CISA Star Blizzard Advisory December 2023)

  9. [9]
    mitre-attackG1033
    Open source URL
Source and licensing

Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.