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#2 BleepingComputer general February 27, 2026 at 19:21 UTC

APT37 hackers use new malware to breach air-gapped networks

By Bill Toulas

AI Summary

North Korean APT37 (ScarCruft) deployed new tools including a backdoor using Zoho WorkDrive for C2 communications and USB-based malware to breach air-gapped networks and conduct covert surveillance. The Ruby Jumper campaign demonstrates advanced techniques for moving data between isolated and internet-connected systems via removable media.

Relevance score: 95.0/100

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