Tag Archives: bootkit

Found in the wild: The world’s first unkillable UEFI bootkit for Linux

Over the past decade, a new class of infections has threatened Windows users. By infecting the firmware that runs immediately before the operating system loads, these UEFI bootkits continue to run even when the hard drive is replaced or reformatted. Now the same type of chip-dwelling malware has been found in the wild for backdooring… Read More: Found in the wild: The world’s first unkillable UEFI bootkit… »

Microsoft will take nearly a year to finish patching new 0-day Secure Boot bug

reader comments 21 with Earlier this week, Microsoft released a patch to fix a Secure Boot bypass bug used by the BlackLotus bootkit we reported on in March. The original vulnerability, CVE-2022-21894, was patched in January, but the new patch for CVE-2023-24932 addresses another actively exploited workaround for systems running Windows 10 and 11 and… Read More: Microsoft will take nearly a year to finish patching new… »

Discovery of new UEFI rootkit exposes an ugly truth: The attacks are invisible to us

Enlarge (credit: Getty Images) Researchers have unpacked a major cybersecurity find—a malicious UEFI-based rootkit used in the wild since 2016 to ensure computers remained infected even if an operating system is reinstalled or a hard drive is completely replaced. The firmware compromises the UEFI, the low-level and highly opaque chain of firmware required to boot up… Read More: Discovery of new UEFI rootkit exposes an ugly truth: The… »