I noticed this on an AV vendor’s site, about some Linux-centric (?) ACPI malware. Wish there was more info on it. If you have more details, please leave a Comment on this blog, thanks!
Linux/Acpi.A!tr
ID 7546097
Released Oct 26, 2017
Linux/Acpi.A!tr is classified as a trojan.
A trojan is a type of malware that performs activites without the user’s knowledge. These activities commonly include establishing remote access connections, capturing keyboard input, collecting system information, downloading/uploading files, dropping other malware into the infected system, performing denial-of-service (DoS) attacks, and running/terminating processes. The Fortinet Antivirus Analyst Team is constantly updating our descriptions. Please check the FortiGuard Encyclopedia regularly for updates.
Firmware Security 