Antino Backdoor Hides Its Entire Command Channel Inside Microsoft 365
A China-linked espionage campaign has deployed a Rust backdoor whose native command-and-control workflow runs through Outlook and OneDrive. Cisco Talos found roughly 350 compromised endpoints across eight countries, showing why trusted cloud traffic needs identity-aware monitoring rather than blanket approval. The post Antino Backdoor Hides Its Entire Command Channel Inside Microsoft 365 appeared first on Secure Bulletin.
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