Case study

hbkit: reconstructing Synology Hyper Backup archives

hbkit reconstructs the Synology Hyper Backup .hbk archive format and implements a Python file-recovery tool. Its specification separates layouts established by file reconstruction from those read from HyperBackupExplorer disassembly or inferred from observations. The CLI and terminal interface browse, extract and check archived files against stored MD5 and CRC32 values.

Targets: App
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-08

Stars: 75
Last commit: 2026-11-09
Language: Python
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Python 3.10 or newer and liblz4 for extraction.
Prerequisites: A .hbk archive; encrypted archives require a password.
Limits: The format study began with DSM 7 Hyper Backup 4.1.2-4039 archives, and some variants remain based on disassembly alone.
License: MIT license.

Cite

BibTeX

@misc{hbkit-hyper-backup-format-case,
  title = {{hbkit: reconstructing Synology Hyper Backup archives}},
  howpublished = {\url{https://github.com/YordiLorenzo/hbkit}},
  url = {https://github.com/YordiLorenzo/hbkit},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/hbkit-hyper-backup-format-case/}}
}

Plain text

hbkit: reconstructing Synology Hyper Backup archives. https://github.com/YordiLorenzo/hbkit (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/hbkit-hyper-backup-format-case/

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About this entry

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Primary sources

FORMAT.md GitHub · YordiLorenzo/hbkit · Revision db587c8
README.md GitHub · YordiLorenzo/hbkit · Revision db587c8
pyproject.toml GitHub · YordiLorenzo/hbkit · Revision db587c8