AIR admin remediation action events

Operation	Description	Sample	Rule
any	Catch-all for M365-AirAdminActionInvestigation rules matching the RecordType but no specific Operation.	N	Y

any: AIR admin remediation action events (catch-all)

RecordType: AirAdminActionInvestigation

Description

Catch-all for M365-AirAdminActionInvestigation rules matching the RecordType but no specific Operation.

Detection Rules #

Full rule details for this event, including ATT&CK technique mappings and native queries →

Elastic #

M365 AIR Investigation Signal source low: Identifies Microsoft 365 Automated Investigation and Response (AIR) events including automated investigations, manual investigations, and admin-initiated actions. These events track Microsoft's automated threat response activities and can indicate active threats being remediated. This building block rule generates security events for correlation, threat hunting, and telemetry collection to provide visibility into automated response actions.T1204, T1566

References #

M365 audit records use different field names on each surface #

The same Unified Audit Log record uses different field names on each surface. A query built for one surface can silently miss on another. These pages document the Management Activity API JSON names, the same names Search-UnifiedAuditLog and the Office 365 Management Activity API return.

Purview CSV export flattens each record to four columns (CreationDate, UserIds, Operations, AuditData). The API field names live only inside the AuditData JSON blob. Expand it with ConvertFrom-Json. The wrapper columns are renamed too: CreationDate not CreationTime, UserIds not UserId, Operations not Operation.
Sentinel's OfficeActivity table renames several fields and turns two integer enum columns into strings. The table below maps them.

API JSON (event pages)	OfficeActivity column	Note
`Id`	`OfficeId`	Renamed.
`Workload`	`OfficeWorkload`	Renamed.
`ObjectId`	`OfficeObjectId`	Renamed.
`CreationTime`	`TimeGenerated`	Renamed. OfficeActivity has no `CreationTime` column.
`SiteUrl`	`Site_Url`	Renamed (SharePoint family).
`RecordType`	`RecordType`	Same name; the Int32 enum becomes its string enum name.
`UserType`	`UserType`	Same name; the Int32 enum becomes a string.
`ClientIP`	`ClientIP`, `Client_IPAddress`	Both columns present on OfficeActivity.
`Scope`	(none)	No OfficeActivity equivalent under any name. Recover it from the API JSON or the Purview `AuditData` blob.
`Operation`, `UserId`, `ResultStatus`, `UserKey`, `AppAccessContext`, `OrganizationId`	same names	Unchanged. No `_s` / `_d` suffixes (a native table, not a custom log).