CTI · corroborated · 2026-09-01

Chinese Fire Ant APT Plants GRE Tunnels on Cisco IOS XR Routers for Persistent Espionage

Full story & timeline

MITRE ATT&CK

• T1090 Proxy Command and Control
• T1572 Protocol Tunneling Command and Control
• T1071 Application Layer Protocol Command and Control
• T1562 Impair Defenses Stealth
• T1543 Create or Modify System Process Persistence

Indicators

No curated indicators tied to this case.

Detections

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

References

• https://bleepingcomputer.com
• https://gbhackers.com
• https://cyberpress.org