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MediumSigmaHQNasreddine Bencherchali (Nextron Systems)

Cloudflared Tunnel Connections Cleanup

Detects execution of the "cloudflared" tool with the tunnel "cleanup" flag in order to cleanup tunnel connections.

Detection logic

Detection requirements

Platform
ESXiLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Log source product
windows
Log source category
process_creation

Known benign triggers

  • Legitimate usage of Cloudflared.

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