OTX Threat: China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor

A China-nexus threat cluster designated UAT-11587 has been targeting government and policy organizations across eight Asian countries since September 2025, delivering a previously undocumented Rust-compiled backdoor called Antino. The campaign primarily affected Taiwan, India, Philippines, Cambodia, Pakistan, Thailand, Myanmar, and Syria through sophisticated spear-phishing operations using tailor Sectors: Defense, Government, Education