Micro-Star International Signing Key Stolen

Micro-Star International—aka MSI—had its UEFI signing key stolen last month.

This raises the possibility that the leaked key could push out updates that would infect a computer’s most nether regions without triggering a warning. To make matters worse, Matrosov said, MSI doesn’t have an automated patching process the way Dell, HP, and many larger hardware makers do. Consequently, MSI doesn’t provide the same kind of key revocation capabilities.

Delivering a signed payload isn’t as easy as all that. “Gaining the kind of control required to compromise a software build system is generally a non-trivial event that requires a great deal of skill and possibly some luck.” But it just got a whole lot easier…

May 15, 2023
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Leaked source code of Babuk ransomware used by 10 different ransomware families targeting VMware ESXi

The leak of the source code of the Babuk ransomware allowed 9 ransomware gangs to create their own ransomware targeting VMware ESXi systems. SentinelLabs researchers have identified 10 ransomware families using VMware ESXi lockers based on the source code of the Babuk ransomware that was leaked in 2021. The experts pointed out that these ransomware […]

The post Leaked source code of Babuk ransomware used by 10 different ransomware families targeting VMware ESXi appeared first on Security Affairs.

May 12, 2023
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