According to security researchers, Nvidia code-signing certificates that were extracted via a hack of the chip maker are being used for malware purposes.
Nvidia code-signing certificates that were extracted from a recent hack of the chip maker are being used for malware purposes, according to security researchers.
As reported by BleepingComputer, the compromised signing certificates expired in 2014 and 2018, respectively. However, Windows still enables drivers to be authorized with these certificates. As a result, malware can be masked by them in order to appear trustworthy, subsequently paving the way for harmful drivers to be opened in a Windows PC without being detected.
One individual was able to use one of the certificates to sign a Quasar remote access trojan. In another case, a Windows driver was signed by a certificate, which resulted in 26 security vendors flagging the file as malicious as of the time of thiswriting. Once a threat actor uncovers the method to integrate these stolen certificates, they can make programs that appear to be official Nvidia applications. Once opened, malicious drivers will then be loaded onto a Windows system.
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