InformationalSplunk security content Raven Tait +1

HTTP PUA User Agent

This Splunk query analyzes web logs to identify and categorize user agents, detecting various types of unwanted applications. This activity can signify possible compromised hosts on the network.

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: suricata

Known benign triggers

Noise and false positive can be seen if these programs are allowed to be used within corporate network. In this case, a filter is needed.

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
github.com/mthcht/awesome-lists/blob/main/Lists/suspicious_http_user_agents_list.csv	Tool	4

Detection rules

HTTP PUA User Agent

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules