Identify “Magic Bytes” for Mikroitk Backup File

the “magic bytes” are the first few bytes of a file that can tell you what format the file is.

https://en.wikipedia.org/wiki/List_of_file_signatures

Mikrotik Backup file magic bytes

File typeMagic bytes
RC4 EncryptedEFA89172
AES EncryptedEFA89173
Not Encrypted88ACA1B1

Using the above list, we can view a Mikrotik .backup file in a hex editor like GHex or dump it with xxd.

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