sigmaDRL-1.1from SigmaHQ/sigma

Atypical Travel

Identifies two sign-ins originating from geographically distant locations, where at least one of the locations may also be atypical for the user, given past behavior.

Quality

100

FP risk

—

Forks

Views

ATT&CK techniques

T1078

Rule sourcerules/cloud/azure/identity_protection/azure_identity_protection_atypical_travel.yml

title: Atypical Travel
id: 1a41023f-1e70-4026-921a-4d9341a9038e
status: test
description: Identifies two sign-ins originating from geographically distant locations, where at least one of the locations may also be atypical for the user, given past behavior.
references:
    - https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#atypical-travel
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-03
tags:
    - attack.t1078
    - attack.persistence
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.initial-access
logsource:
    product: azure
    service: riskdetection
detection:
    selection:
        riskEventType: 'unlikelyTravel'
    condition: selection
falsepositives:
    - We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
level: high