UEFI threats moving to the ESP: Introducing ESPecter bootkit
ESET researchers discover and analyze ESPecter, a previously undocumented UEFI bootkit with roots that go back all the way to at least 2012.
Kaspersky Finspy Rootkit Especter Hacking Team Vector Windows Driver Signature Enforcement Unified Extensible Firmware Interface Windows Boot Manager
Source: welivesecurity.com