Tycoon2FA PHaaS User Agent Detection
Detects user agents associated with Tycoon2FA phishing-as-a-service (PHaaS) campaigns, specifically targeting credential relay (axios/1.13.x) and device code phishing (node/undici) variants. The rule identifies sign-in attempts from unmanaged and non-compliant devices using these specific user agents during a device code flow authentication.
Cortex XDR
