New RustDoor macOS malware impersonates Visual Studio update


A new Rust-based macOS malware spreading as a Visual Studio update to provide backdoor access to compromised systems uses infrastructure linked to the infamous ALPHV/BlackCat ransomware gang.

The campaign delivering the backdoor started since at least November 2023 and is still underway distributing newer variants of the malware.

Written in Rust, the malware can run on Intel-based (x86_64) and ARM (Apple Silicon) architectures, say researchers at cybersecurity company Bitdefender, who are tracking it as RustDoor.

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