Sunturai
Threat report

www.microsoft.com/en-us/security/blog/2025/05/27/new-russia-affiliated-actor-void-blizzard-targets-critical-sectors-for-espionage

https://www.microsoft.com/en-us/security/blog/2025/05/27/new-russia-affiliated-actor-void-blizzard-targets-critical-sectors-for-espionage/
Published on
www.microsoft.com

ATT&CK techniques those detections carry

  • T1110Brute Force
  • T1110.003Password Spraying
  • T1071Application Layer Protocol
  • T1078Valid Accounts
  • T1078.004Cloud Accounts
  • T1087Account Discovery
  • T1110.001Password Guessing
  • T1110.004Credential Stuffing
  • +37 more
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7 published detections cite this

Citing it, not covering it: each of these was written with this as evidence, and carries the source it came from and the licence it was published under.

Detections citing this reference
DetectionSeverity
Potential PowerShell HackTool Script by Function NamesMedium
M365 Exchange Mailbox Items Accessed ExcessivelyMedium
Entra ID Protection - Risk Detection - User RiskHigh
Entra ID Protection - Risk Detection - Sign-in RiskHigh
Entra ID Sign-in BloodHound Suite User-Agent DetectedHigh
Entra ID Excessive Account Lockouts DetectedHigh
Entra ID User Sign-in Brute Force AttemptedMedium

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