HTTP Request With Empty User Agent

Detects a potentially suspicious empty user agent strings in proxy log. Could potentially indicate an uncommon request method.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Network Devices Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source category: proxy

Known benign triggers

Unknown

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
twitter.com/Carlos_Perez/status/883455096645931008	Social post	Only this detection cites it

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Detection rules

HTTP Request With Empty User Agent

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules