Detection rules › Sigma
Azure AD Threat Intelligence
Indicates user activity that is unusual for the user or consistent with known attack patterns.
Known false positives
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access | |
| Persistence | |
| Privilege Escalation | |
| Stealth |
Rule body
title: Azure AD Threat Intelligence
id: a2cb56ff-4f46-437a-a0fa-ffa4d1303cba
status: test
description: Indicates user activity that is unusual for the user or consistent with known attack patterns.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#azure-ad-threat-intelligence-sign-in
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#azure-ad-threat-intelligence-user
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-07
tags:
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
- attack.initial-access
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'investigationsThreatIntelligence'
condition: selection
falsepositives:
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
riskEventType: 'investigationsThreatIntelligence'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
riskEventType | eq |
| field:"azure_ad::risk_event_types" kind:eq value:"investigationsThreatIntelligence" |