Suspicious Member Added to Privileged Directory Role in Entra ID

PremiumReviewedSigma · Medium · v1
Product
azure
Service
auditlogs
Author
HuntRule
Published
2026-05-04
Updated
2026-08-28

ATT&CK techniques

Persistence → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects Entra ID audit events adding a member to a directory role such as Global Administrator. Wiz Research observed Midnight Blizzard elevating principals into privileged roles to broaden access, so unexpected role membership changes can indicate an account manipulation and privilege escalation attempt.

Related detections9 linkedT1098.003 — drag to rearrange
Suspicious Service Principal Creation via Azure Audit Logs
Malicious IAM Group Creation for SES Abuse by JavaGhost (via cloudtrail)
Malicious Administrator Policy Attachment for Privilege Escalation in AWS
Suspicious Azure Contributor Role Assignment to Identity
Malicious GCP Service Account Backdoor via serviceAccountTokenCreator Grant
Suspicious GCP Service Account Impersonation via GenerateAccessToken
Malicious Azure Elevate Access to User Access Administrator
Suspicious Azure Policy Definition or Assignment Modification
Suspicious AWS IAM Role Creation With Cross-Account Trust Policy
Suspicious Member Added to Privileged Directory Role in Entra ID
Pivot detection · T1098.003 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.