Detection rules › Sigma
Roles Are Not Being Used
Identifies when a user has been assigned a privilege role and are not using that role.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access | T1078 Valid Accounts |
| Persistence | T1078 Valid Accounts |
| Privilege Escalation | T1078 Valid Accounts |
| Stealth | T1078 Valid Accounts |
Rule body yaml
title: Roles Are Not Being Used
id: 8c6ec464-4ae4-43ac-936a-291da66ed13d
status: test
description: Identifies when a user has been assigned a privilege role and are not using that role.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#administrators-arent-using-their-privileged-roles
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'redundantAssignmentAlertIncident'
condition: selection
falsepositives:
- Investigate if potential generic account that cannot be removed.
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
riskEventType: 'redundantAssignmentAlertIncident'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
riskEventType | eq |
|