Excessive NXDOMAIN DNS Queries

This creates an incident in the event a client generates excessive amounts of DNS queries for non-existent domains.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: syslogama

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Detection rules

Excessive NXDOMAIN DNS Queries

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules