CTI · corroborated · 2026-09-15

Malicious Twitch Extension Exposes 30,000 Users OAuth Tokens to Russian Bot Service

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MITRE ATT&CK

• T1528 Steal Application Access Token Credential Access
• T1539 Steal Web Session Cookie Credential Access

Indicators

Observables tied to this case, from the curated feed. raw sidecar

• usher.ttvnw domain · expired

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://cyberpress.org/twitch-extension-oauth-token-exposure
• https://thehackernews.com/twitch-extension-malicious