Encrypted backups have an extended header and use RC4 cipher with a SHA1-derived key:
Repacking refers to the workflow of:
One of the most practically useful features of the toolset is the ability to reset a backup file's password to the default (empty password) without knowing the original password:
But in practice, a modern encrypted MikroTik backup is not feasible without MikroTik’s internal tools or deep access to the original hardware.
Once you've repacked the backup file, you can restore it to your Mikrotik device: open mikrotik backup file repack
Once you have successfully generated the final_repacked.backup file, upload and restore it to your MikroTik router. Open and connect to your MikroTik device. Navigate to the Files menu in the sidebar.
Before you open or repack a backup file, you should first ask yourself whether you truly need to work with a .backup file at all. RouterOS offers two completely different approaches to configuration management:
If successful, the tool generates a folder containing:
Such as HxD or ImHex, for manual inspection of binary headers. Step-by-Step Guide to Extract and Open a .backup File Encrypted backups have an extended header and use
And then you can import modifications:
Go to the menu, find full_config.rsc , and drag it to your desktop.
The ability to unpack, modify, and repack MikroTik backup files underscores critical security considerations for network administrators.
python unpack_mikrotik.py -i router_config.backup -o ./extracted_config/ Use code with caution. Navigate to the Files menu in the sidebar
By following this comprehensive guide, you'll be able to open, modify, and repack Mikrotik backup files with confidence. Happy networking!
Created via terminal using /export file=config . This is a human-readable text file containing command-line commands. This is the file type you should use for modifications.
Never modify your only copy of a backup file. Always work on a duplicate copy so you can safely revert if the repacked version causes a boot failure.