System Image Recovery, and UEFI Firmware Settings. Select UEFI Firmware Settings, and it will take to the BIOS. Every OEM has their way of implementing the options. Ayush has been a Windows ...

There are three general phases: Security (SEC), Pre-EFI Initialization (PEI), and Drive Execution Environment (DXE). Each is a mini operating system. Because Intel is the one who started EFI and ...

If you have ever heard about EFI or seen an EFI System Partition (ESP) in Windows and wonder what it is, then this post will help you understand. We will talk about EFI, how you can identify the ...

ESET researchers uncover 'Bootkitty', a first-of-its-kind UEFI bootkit for Linux Bootkitty seems to be in early stages of development, but could pose a major risk Linux users warned to be on their ...

By rooting themselves so deep into a system, UEFI bootkits are often very hard to detect or remove. The variant ESET’s researchers found is called ‘Bootkitty’, and given its state ...

Upon analysis, ESET confirmed that this was the first case of a Linux UEFI bootkit to bypass kernel signature verification and preload malicious components during the system boot process.

If the user confirms this action, the next time the system starts, a shim bootloader digitally signed by Microsoft will attempt to execute the rogue grubx64.efi injected by the attackers on the ...

exploitable by malicious images or logos planted on the EFI System Partition (ESP). "When these images are parsed during boot, the vulnerability can be triggered and an attacker-controlled payload ...

Compared to many Windows UEFI bootkits, Bootkitty is still relatively ... code or data at these hardcoded offsets, thus crashing the system instead of compromising it,” ESET researchers explained.

Eset analysts recently discovered the bootkit in a previously unknown UEFI application (bootkit.efi ... infect the startup phase of the operating system. They conceal their presence and ...