Suspicious Azure OpenAI Model Enumeration and Deployment Creation (via azure)

ATT&CK techniques

Initial Access → Discovery

Recon
Resource Dev
Initial Access
- T1078.004Cloud Accounts
Execution
Persistence
- T1078.004Cloud Accounts
Priv Esc
- T1078.004Cloud Accounts
Defense Evasion
- T1078.004Cloud Accounts
Cred Access
Discovery
- T1526Cloud Service Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the Azure OpenAI Models_List and Deployments_Create operations that Red Canary described adversaries using to enumerate available models and stand up new deployments after obtaining access to a resource. Reconnaissance of models followed by deployment creation can indicate an actor preparing to abuse a victim Azure OpenAI service for inference at the owner expense.

Reporting behind it

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Suspicious Azure OpenAI Model Enumeration and Deployment Creation (via azure)

Pivot detection · T1078.004 · 9 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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