Files
blue-team-tools/rules/proxy/proxy_empty_ua.yml
T
Thomas Patzke 5c465129bd Fixed rules
* Replaced unspecified logsource attribute 'type' with 'category'
* Usage of service 'auth' for linux logs
2017-09-11 00:35:52 +02:00

18 lines
461 B
YAML

title: Empty User Agent
status: experimental
description: Detects suspicious empty user agent strings in proxy logs
reference:
- https://twitter.com/Carlos_Perez/status/883455096645931008
author: Florian Roth
logsource:
category: proxy
detection:
selection:
UserAgent:
# Empty string - as used by Powershell's (New-Object Net.WebClient).DownloadString
- ''
condition: selection
falsepositives:
- Unknown
level: medium