Bootkit
New Microsoft script updates Windows media with bootkit malware fixes
Microsoft has released a PowerShell script to help Windows users and admins update bootable media so it utilizes the new “Windows UEFI CA 2023” certificate before the mitigations of the BlackLotus UEFI bootkit are enforced later this year. BlackLotus is a UEFI bootkit that can bypass Secure Boot and gain control over the operating system’s boot process. Once […]
New UEFI Secure Boot flaw exposes systems to bootkits, patch now
A new UEFI Secure Boot bypass vulnerability tracked as CVE-2024-7344 that affects a Microsoft-signed application could be exploited to deploy bootkits even if Secure Boot protection is active. The vulnerable UEFI application is present in multiple real-time system recovery tools from several third-party software developers. Bootkits represent a critical security threat that is difficult to detect because […]
BootKitty UEFI malware exploits LogoFAIL to infect Linux systems
Update added below about this bootkit being created by students in Korea’s Best of the Best (BoB) cybersecurity training program. The recently uncovered ‘Bootkitty’ Linux UEFI bootkit exploits the LogoFAIL flaw, tracked as CVE-2023-40238, to target computers running on vulnerable firmware. This is confirmed by firmware security firm Binarly, which discovered LogoFAIL in November 2023 […]