APT29
G0016
RUSSIA
COZY BEAR
Threat IntelligenceAPTRussiaApril 06, 2025

APT29 Threat Profile

Russian SVR intelligence group responsible for the SolarWinds supply chain attack affecting 18,000+ organizations. One of the most sophisticated APTs globally.

Russian SVR intelligence group responsible for the SolarWinds supply chain attack affecting 18,000+ organizations. One of the most sophisticated APTs globally. This profile is mapped to MITRE ATT&CK G0016 and covers attribution, tooling, targeting, and defensive recommendations based on observed campaigns.

Overview & Attribution

APT29 (also tracked as Cozy Bear, Midnight Blizzard, The Dukes, NOBELIUM, UNC2452) is a threat group attributed to Russia. The group primarily targets Government, diplomatic, think tanks, healthcare for intelligence collection and operational objectives aligned with state interests.

MITRE ATT&CK Reference

This group is tracked as G0016 in the MITRE ATT&CK framework. All techniques referenced in this report are mapped to ATT&CK for consistent threat modeling and detection engineering.

Arsenal & Tools

Known tools and malware associated with APT29 include:

Targeting & Operations

APT29 operations focus on Government, diplomatic, think tanks, healthcare. The group typically gains initial access through spear-phishing, exploitation of public-facing applications, or strategic web compromises before deploying custom implants for persistent access and data exfiltration.

Targeting Advisory

Organizations in the Government sector should treat APT29 as a relevant threat and validate their detection coverage against the MITRE ATT&CK techniques listed below.

MITRE ATT&CK Mapping

Key techniques observed in APT29 operations:

Technique IDTechnique NameTactical Context
T1195.002T1195.002Observed in APT29 campaigns
T1078T1078Observed in APT29 campaigns
T1550.001T1550.001Observed in APT29 campaigns
T1071.001T1071.001Observed in APT29 campaigns
T1027T1027Observed in APT29 campaigns
T1059.001T1059.001Observed in APT29 campaigns

Full ATT&CK mapping: https://attack.mitre.org/groups/G0016/

Notable Campaigns

This threat group has been active in operations targeting Government, diplomatic, think tanks, healthcare. Security researchers have documented campaigns involving SUNBURST and other tools deployed against organizations in multiple countries. Attribution confidence varies by campaign, but consistent infrastructure and TTP overlap links activity to Russia-nexus operations.

Detection & Defense

Recommended defensive measures against APT29:

How Mjolnir Security Can Help

Defend Against APT29

Mjolnir Security provides tailored threat intelligence, detection engineering, and incident response services to help organizations defend against Russia-nexus threat actors.

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Contact us: mjolnirsecurity.com

Written by: Mjolnir Security  |  Published: April 06, 2025