Title: MosaicRegressor: Lurking in the Shadows of UEFI

Published:  Mon, 05 Oct 2020 10:00:45 +0000

Description: We found a compromised UEFI firmware image that contained a malicious implant. To the best of our knowledge, this is the second known public case where malicious UEFI firmware in use by a threat actor was found in the wild.

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