Tailscale Premium: New src->dst node pairs (lateral movement candidates)

Identifies tailnet src->dst pairs observed in the last 24h that were NOT observed in the prior 7-day baseline. Useful for spotting lateral movement to nodes that don't usually talk.

Detection logic

Detection requirements

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

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Detection rules

Tailscale Premium: New src->dst node pairs (lateral movement candidates)

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules