Identifies 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
Risk score: 47
Runs every: 5m
Maximum alerts per execution: 100
- Microsoft 365
- Continuous Monitoring
- Configuration Audit
Rule license: Elastic License v2
## Config The Office 365 Logs Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
event.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