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parameth

This tool can be used to brute discover GET and POST parameters

Often when you are busting a directory for common files, you can identify scripts (for example test.php) that look like they need to be passed an unknown parameter. This hopefully can help find them.

example scan

The -off flag allows you to specify an offset (helps with dynamic pages) so for example, if you were getting alternating response sizes of 4444 and 4448, set the offset to 5 and it will only show the stuff outside the norm

Installation

virtualenv venv
. ./venv/bin/activate
pip install -u -r requirements.txt

Usage

usage: parameth.py [-h] [-v] [-u URL] [-p PARAMS] [-H HEADER] [-a AGENT]
                   [-t THREADS] [-off VARIANCE] [-diff DIFFERENCE] [-o OUT]
                   [-P PROXY] [-x IGNORE] [-s SIZEIGNORE] [-d DATA]
                   [-i IGMETH] [-c COOKIE] [-T TIMEOUT]

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         Version Information
  -u URL, --url URL     Target URL
  -p PARAMS, --params PARAMS
                        Provide a list of parameters to scan for
  -H HEADER, --header HEADER
                        Add headers in format a:b c:d
  -a AGENT, --agent AGENT
                        Specify a user agent
  -t THREADS, --threads THREADS
                        Specify the number of threads.
  -off VARIANCE, --variance VARIANCE
                        The offset in difference to ignore (if dynamic pages)
  -diff DIFFERENCE, --difference DIFFERENCE
                        Percentage difference in response (recommended 95)
  -o OUT, --out OUT     Specify output file
  -P PROXY, --proxy PROXY
                        Specify a proxy in the form http|s://[IP]:[PORT]
  -x IGNORE, --ignore IGNORE
                        Specify a status to ignore eg. 404,302...
  -s SIZEIGNORE, --sizeignore SIZEIGNORE
                        Ignore responses of specified size
  -d DATA, --data DATA  Provide default post data (also taken from provided
                        url after ?)
  -i IGMETH, --igmeth IGMETH
                        Ignore GET or POST method. Specify g or p
  -c COOKIE, --cookie COOKIE
                        Specify Cookies
  -T TIMEOUT, --timeout TIMEOUT
                        Specify a timeout in seconds to wait between each
                        request

Adding new params from source:

The following regexes might be useful to parse $_GET or $_POST parameters from source:

$> grep -rioP '$_POST[\s*["']\s*\w+\s*["']\s*]' PHPSOURCE | grep -oP '$_POST[\s*["']\s*\w+\s*["']\s*]' | sed -e "s/$_POST[\s*["']//g" -e "s/\s*['"]\s*]//g" | sort -u > /tmp/outfile.txt

$> grep -rioP '$_GET[\s*["']\s*\w+\s*["']\s*]' PHPSOURCE | grep -oP '$_GET[\s*["']\s*\w+\s*["']\s*]' | sed -e "s/$_GET[\s*["']//g" -e "s/\s*['"]\s*]//g" | sort -u > /tmp/outfile.txt