PUA - Tailcat Saved Key Generation - Windows

Rule Info

Name
PUA - Tailcat Saved Key Generation - Windows
Author
Marius Benthin (Nextron Systems), Christian Burkard (Nextron Systems)
Description
Detects the generation of Tailcat saved keys that persist the secret between multiple sessions. Using Tailcat persistently is unusual in corporate environments.
Reference
https://github.com/tailscale/tailcat
Date
2026-09-02 00:00:00
Modified
None
Id
8cf72ac9-31c1-4467-bd70-e942967a8dd8
Tags
attack.defense-impairment attack.t1599
Type
Nextron Sigma feed only (private)

Rule History

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  Nextron Systems 2022