IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Microsoft 365 Teams Custom Application Interaction Allowed
editMicrosoft 365 Teams Custom Application Interaction Allowed
editIdentifies when custom applications are allowed in Microsoft Teams. If an organization requires applications other than those available in the Teams app store, custom applications can be developed as packages and uploaded. An adversary may abuse this behavior to establish persistence in an environment.
Rule type: query
Rule indices:
- filebeat-*
- logs-o365*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-30m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Cloud
- Data Source: Microsoft 365
- Use Case: Configuration Audit
- Tactic: Persistence
Version: 102
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editevent.dataset:o365.audit and event.provider:MicrosoftTeams and event.category:web and event.action:TeamsTenantSettingChanged and o365.audit.Name:"Allow sideloading and interaction of custom apps" and o365.audit.NewValue:True and event.outcome:success
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/