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I need to recover a PW for an Excel 2013 workbook. I am using Kali. When I try to run the workbook or any individual tab through Office2John, I get "Invalid OLE file". So I renamed to .zip, extracted files, and found the hash value and salt value in the XML. I cannot for the life of me figure out how to get JtR to read this information so that I can recover the password. Am I missing something simple? Is there a specific format I need to create in the hash.txt file for JtR to read? Any help is very much appreciated!

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Yes, you have to convert the hash into a format that the password-cracking suite is expecting.

The best collection of such tools is from the John the Ripper project, and the one that is probably what you're looking for is office2john.

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    Downvoting without leaving a comment makes it hard to improve my answer. Unless there's context that's not included in the question, my answer above is indeed exactly how you would extract a JtR-ready hash. Dec 30, 2017 at 3:43

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