Suspicious Password Reset By User Account (via auditlogs)

This rule detects when a user has reset their password in Azure AD

SigmamediumCloudv1
sigma
title: Suspicious Password Reset By User Account (via auditlogs)
id: 344cec4b-d7b9-5a21-9232-98eed5487240
status: stable
description: This rule detects when a user has reset their password in Azure AD
references:
    - https://attack.mitre.org/techniques/T1078/004/
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts
author: Huntrule Team
date: 2026-07-05
tags:
    - attack.privilege-escalation
    - attack.initial-access
    - attack.persistence
    - attack.credential-access
    - attack.stealth
    - attack.t1078.004
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        Category: 'UserManagement'
        Status: 'Success'
        Initiatedby: 'UPN'
    filter:
        Target|contains: 'UPN'
        ActivityType|contains: 'Password reset'
    condition: selection and filter
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

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