Antino: A Stealthy Backdoor That Hides in Outlook and OneDrive
A new espionage campaign tracked by Cisco Talos has exposed a sophisticated Windows backdoor, nicknamed Antino, that uses Microsoft 365 services as its covert communications channel. Targeting government and policy organizations across Asia — including Taiwan, India, the Philippines, Cambodia, Pakistan, Thailand, and Myanmar — the activity centers on highly tailored spear‑phishing lures and a multi-stage infection chain that culminates in a Rust-compiled implant communicating through Outlook and OneDrive. The…
