https://www.bleepingcomputer.com/news/security/trickbots-new-module-aims-to-infect-your-uefi-firmware/

The developers of TrickBot have created a new module that probes for UEFI vulnerabilities, demonstrating the actor’s effort to take attacks at a level that would give them ultimate control over infected machines.

With access to UEFI firmware, a threat actor would establish on the compromised machine persistence that resists operating system reinstalls or replacing of storage drives.