S3 Bucket outbound Data transfer anomaly
Identifies S3 data transfer spikes using GetObject API, BytesTransferredOut, and KQL anomaly detection. Investigate sudden action frequency increases. Adjust scorethreshold to 3+ to reduce noise.
Detection logic
Detection requirements
- Platform
- LinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- 0ef8dee1-eb94-44c8-b59b-2eb096a4b983
- Tagged by the source as
- Exfiltration
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Aug 29, 2026
- Version
- 1