BlackByte Ransomware Abuses Vulnerable Windows Driver to Disable Security Solutions


BlackByte Ransomware

n yet another case of bring your own vulnerable driver (BYOVD) attack, the operators of the BlackByte ransomware are leveraging a flaw in a legitimate Windows driver to bypass security solutions.

“The evasion technique supports disabling a whopping list of over 1,000 drivers on which security products rely to provide protection,” Sophos threat researcher Andreas Klopsch said in a new technical write-up.

BYOVD is an attack technique that involves threat actors abusing vulnerabilities in legitimate, signed drivers to achieve successful kernel-mode exploitation and seize control of compromised machines.

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