TOKYOCORE Boot File Corruption Targeting bootmgr/winload.efi/BCD
Detects unauthorized write or modification access to core Windows boot-related files such as bootmgr, winload.efi, and the BCD store. This activity is indicative of destructive wiper malware attempting to render the operating system unbootable to prevent recovery, a technique observed in the TOKYOCORE wiper campaign.
Sigma
