Cisco ASA - Possible Data Exfiltration Detection

Detects potential data exfiltration when an internal source IP sends a large amount of outbound data to the internet, especially when the volume is significantly higher than its normal behavior.

Detection logic

Detection requirements

Platform: ESXi IaaS Linux macOS Network Devices Office Suite SaaS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: ciscoasaama
Log source service: commonsecuritylog

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Detection rules

Cisco ASA - Possible Data Exfiltration Detection

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules