Experts Uncover New ‘CosmicStrand’ UEFI Firmware Rootkit Used by Chinese Hackers

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An unknown Chinese-speaking threat actor has been attributed to a new kind of sophisticated Unified Extensible Firmware Interface (UEFI) firmware rootkit called CosmicStrand.
“The rootkit is located in the firmware images of Gigabyte or ASUS motherboards, and we noticed that all these images are related to designs using the H81 chipset,” Kaspersky researchers said in a new report published today