IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [8.15] ›Downloadable rule update v8.15.6

Microsoft 365 Portal Logins from Impossible Travel Locations

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Microsoft 365 Portal Logins from Impossible Travel Locations

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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.

Rule type: threshold

Rule indices:

  • filebeat-*
  • logs-o365.audit-*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-15m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Cloud
  • Data Source: Microsoft 365
  • Use Case: Threat Detection
  • Tactic: Initial Access

Version: 2

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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event.dataset: "o365.audit"
    and event.provider: "AzureActiveDirectory"
    and event.action: "UserLoggedIn"
    and event.outcome: "success"
    and not o365.audit.UserId: "Not Available"
    and o365.audit.Target.Type: ("0" or "2" or "3" or "5" or "6" or "10")

Framework: MITRE ATT&CKTM

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