any tool for extract or find OA3 key in bios dump bin file, help

[relax79]

Hello friends, I am work on notebook repair bussiness and I am mostly dump bioses with programmer then find official or someone elses bios file for programming eeprom but I am not always find in OA3 win 8 or later activation key or MSDM header in raw .bin file for manualy patch original notebook key back in bios file . Is there any tool for finding XXXXX-XXXXX-XXXXX-XXXXX-XXXXX pattern or acpi msdm in dump file. Sorr for my poor English, thanks