End User Consent Blocked — Sigma Rule

Rule metadata and linked tags

Author: Bailey Bercik '@baileybercik', Mark Morowczynski '@markmorow'. Source status: test; severity: medium. Source dates: 2022-07-10 / not supplied.

{
  "product": "azure",
  "service": "auditlogs"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: e1c92ee48a25d94f476b7ac4a812b2d016567e4cff00f7b610312385e3ba8eda

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: End User Consent Blocked
id: 7091372f-623c-4293-bc37-20c32b3492be
status: test
description: Detects when end user consent is blocked due to risk-based consent.
references:
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#end-user-stopped-due-to-risk-based-consent
author: Bailey Bercik '@baileybercik', Mark Morowczynski '@markmorow'
date: 2022-07-10
tags:
    - attack.credential-access
    - attack.t1528
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        failure_status_reason: 'Microsoft.online.Security.userConsentBlockedForRiskyAppsExceptions'
    condition: selection
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#end-user-stopped-due-to-risk-based-consent