Suspicious Azure Tenant Root Elevation via elevateAccess

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1098.005Device Registration
Priv Esc
- T1098.005Device Registration
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the Microsoft.Authorization elevateAccess action that grants a Global Administrator root access over all Azure subscriptions. Microsoft observed Storm-0501 abusing this to seize control of the cloud estate before ransomware impact. Tenant-wide elevation is a rare, high-privilege operation, so this action should be verified against expected administrative change.

Reporting behind it

Related detections6 linkedT1098.005 — drag to rearrange

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Suspicious Azure Tenant Root Elevation via elevateAccess

Pivot detection · T1098.005 · 6 related

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

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