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This C script is a simple tool for brute-forcing URLs and subdomains. It was developed as a way to practice the C programming language and to create a simpler version of Gobuster.

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Features

• URL Fuzzer
• DNS Fuzzer
• Security Headers Check
• Github email address recovery
• Recursive mode for URL and DNS Fuzzer
• Verbose mode
• User Interface to launch attacks

Usage

Install the curl library for Linux and MacOS:

apt-get install libcurl4-openssl-dev  # 4 Linux
brew install curl                     # 4 OSX

To compile the script, use the gcc compiler:

gcc -o csearch csearch.c -lcurl

This will create an executable file called csearch that you can run with the ./csearch command.

Note that you may need to install the gcc compiler and the curl development package (usually called libcurl-dev or libcurl-devel) on your system in order to compile the script.

To use the script, follow the examples below.

To brute force an URL :
    ./csearch -u http://example.com/

To brute force subdomains :
    ./csearch dns -u example.com -w /usr/share/wordlists/dirb/common.txt

Fuzzing mode :
    ./csearch fuzz -u https://docs.fuzz.com/ -w /usr/share/wordlists/dirb/common.txt

To check security headers from an URL
	./csearch -sh http://example.com/

To use UI :
    ./csearch -ui -u google.com -w lists/test.txt

To find email address from Github username
	./csearch -ge username

To track someone on internet with a username
	./csearch -n username

The script will then try each word in the list as a URL extension and report whether the page exists or not.

DIR Mode

DNS Mode

FUZZ Mode

RECURSIVE Mode

VERBOSE Mode

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Dependencies

The script requires the cURL library to be installed on your system.

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HELP

 ➜ ./csearch -h



===============================================================
	CSearch v1.4
	by Fastiraz
===============================================================

FLAGS:
	-u : URL
	-w : Path to a custom wordlist
	-v : Verbose output (errors)
	-r : Enable recurcive mode
	-h : Display this content
	-ui: Enable the user interface

KEYWORDS:
	dir : Directory mode (default)
	dns : Subdomain mode
	fuzz : Uses fuzzing mode. Replaces the keyword FUZZ in the URL, Headers and the request body

EXAMPLES:
	Usage :	./csearch -u http://example.com/
	Usage :	./csearch dns -u http://example.com/ -w /usr/share/wordlist/dirb/big.txt -v
  Usage : ./csearch fuzz -u https://docs.fuzz.com/ -w /usr/share/wordlists/dirb/common.txt