Anomaly in SMB Traffic(ASIM Network Session schema)

This detection detects abnormal SMB traffic, a file-sharing protocol. By calculating the average deviation of SMB connections over last 14 days, flagging sources exceeding 50 average deviations.

Detection logic

Detection requirements

Platform: ESXi IaaS Linux macOS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.

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Detection rules

Anomaly in SMB Traffic(ASIM Network Session schema)

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules