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BackTrack 5 Cookbook by David De Smet, Willie Pritchett

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Cracking a Windows password using John the Ripper

In this recipe, we will utilize John the Ripper to crack a Windows Security Accounts Manager (SAM) file. The SAM file stores the username and password hashes of users of the target Windows system. For security reasons, the SAM file is protected from unauthorized access by not being able to be opened manually or copied while the Windows system is in operation.

Getting ready

The following requirements need to be fulfilled:

  • You will need access to a SAM file
  • For this recipe, we will assume that you have gained access to a Windows host machine

How to do it...

Let's begin the process of cracking a Windows SAM file using John the Ripper. We are assuming that you have accessed the Windows machine via either ...

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