Zydra is a file password recovery tool and Linux shadow file cracker. It uses the dictionary search or Brute force method for cracking passwords.


  • Cracking files password using two methods: 1. dictionary method 2. brute force method
  • In the brute force method, you can specify the min length and max length of the passwords.
  • In the brute force method, you can specify the type of characters that may be used in the password.
  • There is a percent progress bar showing how much of the process has been performed.
  • Error handling.
  • One of the most important features of Zydra is the multiprocessing feature that speeds up the program. For example if you have 8 CPU cores, Zydra will use all of them for processing at the same time.
  • Tool requirments

  • Python 3.3 or higher
  • qpdf and unrar packages
  • debian-based linux distro, preferably Kali linux 2
  • Installation

    git clone https://github.com/hamedA2/Zydra.git


    To get a list of all options and learn how to use this app, enter the following command:

    $ python3 Zydra.py -h


    Hamed Hosseini



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