get system firmware table

rule:
  meta:
    name: get system firmware table
    namespace: host-interaction/hardware/firmware
    authors:
      - michael.hunhoff@mandiant.com
    scopes:
      static: function
      dynamic: call
    att&ck:
      - Reconnaissance::Gather Victim Host Information::Firmware [T1592.003]
    references:
      - https://github.com/LordNoteworthy/al-khaser/blob/master/al-khaser/Shared/Utils.cpp#L854
    examples:
      - dc7cb53c5dc2e756822328a7144c29318cb871890727eff9c8da64a01e8e782d:0x180001BD0
  features:
    - and:
      - api: kernel32.GetSystemFirmwareTable
      - optional:
        - or:
          - number: 0x41435049 = "ACPI"
          - number: 0x4649524d = "FIRM"
          - number: 0x52534D42 = "RSMB"