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John the Ripper is a cyber security tool that is used to crack hashes and find weak passwords. Here's how to use it. First you type in John to call the tool. Then you do dash dash format followed by the format of the hash that you were trying to crack. Now if you don't know the format, you can take this out and John can try to guess the format, but it's not always 100% accurate. Then you use dash dash word list equals to point to the password dictionary that you will be using. I'm just going to use the basic rock you dot txt word list. And then lastly, put the file containing the hashed password. As you can see, I have a file here with a hash inside of it. A lot of the time websites store user passwords in a hash format like this for an extra layer of protection. So that's why this tool exists in the first place. Anyways, if we press enter, it'll try to brute force. And as you can already see, the password is right here. So in other words, I just cracked the hash. Make sure to save this video for later and follow for more.