base64 decode + binary decode

brixelCTF{robocop}

Original writeup (https://md.darknebu.la/4cDzvoArTDCD-hpjSmVTwQ?view#s%CC%B8%CD%A0%CC%BE%CD%80%CD%8A%CD%96h%CC%B8%CC%92%CC%9Ci%CC%B7%CC%88%CD%9B%CD%92%CC%8B%CC%B2%CD%99%CC%A7%CC%AD%CC%A4t%CC%B7%CC%91%CC%B2%CC%A2%CD%9A%).