SharePointFileOperation via previously unseen IPs

Shows SharePoint upload/download volume by IPs with high-risk ASNs. New IPs with volume spikes may be unauthorized and exfiltrating documents.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: azureactivedirectory office365
Log source service: officeactivity_sharepoint signinlogs

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Detection rules

SharePointFileOperation via previously unseen IPs

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules