Elastic Security Detection Rules

M365 Identity Login from Impossible Travel Location

Last updated 2 months ago on 2025-10-30
Created a year ago on 2024-09-04

About

Detects successful Microsoft 365 portal logins from impossible travel locations. Impossible travel locations are defined as two different countries within a short time frame. This behavior may indicate an adversary attempting to access a Microsoft 365 account from a compromised account or a malicious actor attempting to access a Microsoft 365 account from a different location.
Tags
Domain: CloudDomain: IdentityData Source: Microsoft 365Data Source: Microsoft 365 Audit LogsUse Case: Threat DetectionUse Case: Identity and Access AuditTactic: Initial AccessLanguage: kuery
Severity
medium
Risk Score
47
MITRE ATT&CK™

Initial Access (TA0001)(external, opens in a new tab or window)

↳ Valid Accounts (T1078)(external, opens in a new tab or window)

False Positive Examples
False positives may occur when users are using a VPN or when users are traveling to different locations for legitimate purposes.
License
Elastic License v2(external, opens in a new tab or window)

Definition

Rule Type
Threshold Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
logs-o365.audit-*
Related Integrations

o365(external, opens in a new tab or window)

Query
text code block:
event.dataset:o365.audit and
    event.provider:AzureActiveDirectory and
    event.action:UserLoggedIn and
    event.outcome:success and
    o365.audit.Target.Type:(0 or 10 or 2 or 3 or 5 or 6) and
    o365.audit.UserId:(* and not "Not Available") and
    source.geo.region_iso_code:* and
    not o365.audit.ApplicationId:(
        29d9ed98-a469-4536-ade2-f981bc1d605e or
        38aa3b87-a06d-4817-b275-7a316988d93b or
        a809996b-059e-42e2-9866-db24b99a9782
    ) and not o365.audit.ExtendedProperties.RequestType:(
        "Cmsi:Cmsi" or
        "Consent:Set" or
        "Login:reprocess" or
        "Login:resume" or
        "MessagePrompt:MessagePrompt" or
        "SAS:EndAuth"
    )

Install detection rules in Elastic Security

Detect M365 Identity Login from Impossible Travel Location in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).