(gb)[2023-03-15]msi_jack.zip -

The "jack" in the filename suggests an exploit or "hijacking" mechanism. Once a system's firmware is compromised:

This filename likely refers to a or a specific technical exploit involving MSI (Micro-Star International) hardware or software, documented around March 2023. (GB)[2023-03-15]MSI_jack.zip

The malware lives in the motherboard's SPI flash memory. The "jack" in the filename suggests an exploit