https://blog.faceutil.com/2022/10/21/%ed%95%98%eb%93%9c%eb%94%94%ec%8a%a4%ed%81%ac-%eb%b0%b0%eb%93%9c%ec%84%b9%ed%84%b0-%ea%b2%80%ec%82%ac-gmhddscan-%ef%bf%a1/