Detection rules › Sigma
Password Reset By User Account
Detect when a user has reset their password in Azure AD
Known false positives
- If this was approved by System Administrator or confirmed user action.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access | |
| Persistence | |
| Privilege Escalation | |
| Stealth |
Telemetry coverage
| Platform | Record / event type |
|---|---|
| Azure | any: Entra ID audit event (any operation) |
Rules detecting the same action
These rules filter on the same operation.
- [Entra ID] Authentication Method Changed for Privileged Account (Kusto)
- Account Created and Deleted in Short Timeframe (Kusto)
- Account Created And Deleted Within A Close Time Frame (Sigma)
- Account created from non-approved sources (Kusto)
- Account created or deleted by non-approved user (Kusto)
- Addition of a Temporary Access Pass to a Privileged Account (Kusto)
- Authentication Method Changed for Privileged Account (Kusto)
- Authentication Methods Changed for Privileged Account (Kusto)
Rule body
title: Password Reset By User Account
id: 340ee172-4b67-4fb4-832f-f961bdc1f3aa
status: test
description: Detect when a user has reset their password in Azure AD
references:
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts
author: YochanaHenderson, '@Yochana-H'
date: 2022-08-03
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:
- If this was approved by System Administrator or confirmed user action.
level: medium
Stages and Predicates
Stage 0: condition
selection and filterStage 1: selection
selection:
Category: 'UserManagement'
Status: 'Success'
Initiatedby: 'UPN'
Stage 2: filter
filter:
Target|contains: 'UPN'
ActivityType|contains: 'Password reset'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ActivityType | match |
| field:"ActivityType" kind:match value:"Password reset" |
Category | eq |
| field:"Category" kind:eq value:"UserManagement" |
Initiatedby | eq |
| field:"Initiatedby" kind:eq value:"UPN" |
Status | eq |
| field:"Status" kind:eq value:"Success" |
Target | match |
| field:"Target" kind:match value:"UPN" |