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First UEFI Bootkit for Linux Emerges, Raising Cross-Platform Threat Concerns

17 hours ago

First UEFI Bootkit for Linux Emerges, Raising Cross-Platform Threat Concerns
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7 Highlights

  • ESET finds first Linux-targeting UEFI bootkit named Bootkitty.
  • Bootkitty shows UEFI threat shifts from Windows to Linux.
    • Malware specifically attacks certain Ubuntu versions.
    • Bootkitty bypasses Secure Boot using UEFI and GRUB hooks.
    • Bootkitty in early stages; has kernel signature bypass issues.
    • The bootkit's flaws cause system crashes, limiting impact.
    • Experts urge stronger Linux defenses due to growing threats.
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