CTI · reviewed · 2026-10-04

Cisco Talos details Antino backdoor used by China-nexus actor against Taiwan government orgs

Full story & timeline

MITRE ATT&CK

• T1566 Phishing Initial Access
• T1071 Application Layer Protocol Command and Control
• T1567 Exfiltration Over Web Service Exfiltration

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://thehackernews.com/2026/10/antino-backdoor-uses-outlook-and.html
• https://intel.threadlinqs.com/threat/TL-2026-2848
• https://digitalescapetools.com/2026/10/antino-backdoor-outlook-onedrive-dmarc-spoofing.html