Projects STRLCPY Forbidden-Buster Files
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Forbidden Buster is a tool designed to automate various techniques in order to bypass HTTP 401 and 403 response codes and gain access to unauthorized areas in the system. This code is made for security enthusiasts and professionals only. Use it at your own risk.


  • Probes HTTP 401 and 403 response codes to discover potential bypass techniques.
  • Utilizes various methods and headers to test and bypass access controls.
  • Customizable through command-line arguments.

Installation & Usage

Install requirements

pip3 install -r requirements.txt

Run the script

python3 -u


Forbidden Buster accepts the following arguments:

  -h, --help            show this help message and exit
  -u URL, --url URL     Full path to be used
  -m METHOD, --method METHOD
                        Method to be used. Default is GET
  -H HEADER, --header HEADER
                        Add a custom header
  -d DATA, --data DATA  Add data to requset body. JSON is supported with escaping
  -p PROXY, --proxy PROXY
                        Use Proxy
  --rate-limit RATE_LIMIT
                        Rate limit (calls per second)
  --include-unicode     Include Unicode fuzzing (stressful)
  --include-user-agent  Include User-Agent fuzzing (stressful)

Example Usage:

python3 --url "" --method POST --header "Authorization: Bearer XXX" --data '{\"key\":\"value\"}' --proxy "" --rate-limit 5 --include-unicode --include-user-agent


  • Hacktricks - Special thanks for providing valuable techniques and insights used in this tool.
  • SecLists - Credit to danielmiessler's SecLists for providing the wordlists.
  • kaimi - Credit to kaimi's "Possible IP Bypass HTTP Headers" wordlist.
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