CTI · reported · 2026-09-15

China-Linked UNC3569 Exploited Sogou Input Method to Deploy GRAYRABBIT Backdoor

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MITRE ATT&CK

• T1204 User Execution Execution
• T1059 Command and Scripting Interpreter Execution
• T1027 Obfuscated Files or Information Stealth

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/unc3569-sogou-input-method-exploit
• https://gbhackers.com/grayrabbit-backdoor-sogou