Suspicious OAuth Application Consent in Microsoft Entra

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1528Steal Application Access Token
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a Consent to application event in Microsoft Entra which the CoPhish technique relies on to trick a user into granting a malicious Copilot Studio hosted OAuth application access to their tokens for account takeover.

Reporting behind it

Related detections9 linkedT1528 — drag to rearrange

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Suspicious GAM OAuth Token Enumeration via Process Creation

Suspicious Entra ID Device Code Flow Authentication

Suspicious Delegated Permission Grant to Entra Agent Access Scope via Azure Audit Logs

Suspicious OAuth Application Registration with Localhost Reply URL via Azure AD

Malicious PRT Token Forging via AADInternals (via ps_script)

Possible VMware Workspace ONE SSRF via instanceHealth hostName At-Injection (via webserver)

Suspicious Entra Device Code Authentication with Office Client and Automated User Agent

Suspicious Access to Kubernetes Service Account Token via Curl or Wget (via process_creation)

Suspicious OAuth Application Consent in Microsoft Entra

Pivot detection · T1528 · 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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