Wordlist Creation Tool With Python: A Tool for Cybersecurity


In the realm of cybersecurity, password cracking and vulnerability identification play pivotal roles. One of the foundational tools utilized in these processes is wordlists. Wordlists are files containing various combinations and character sets that potential passwords may include. Programming languages like Python offer handy tools for generating wordlists

Learning Objectives

  • Learn how to create wordlists using Python.
  • Understand the importance of wordlists in cybersecurity.
  • Develop a simple wordlist generator program.

The Role of Wordlists in Cybersecurity

Cyber attackers often use wordlists in password cracking attacks. These wordlists typically include common passwords, dictionaries, combinations, and even custom word sets. Password cracking attacks attempt to gain unauthorized access to user accounts using these wordlists. Therefore, cybersecurity experts encourage the use of strong and unique passwords while also implementing security measures to protect their systems against such attacks(John the Ripper Usage Cheat Sheet: A Quick Guide).

Let’s Start Writing Our Code

Let’s develop a simple wordlist generator program using Python. This program will generate all combinations of a specified character set for a given word length.

  1. Importing Libraries:
import itertools
import argparse

These lines import the necessary libraries for our code. The itertools module will be used to generate combinations, while the argparse module will handle command-line arguments.

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  1. Defining the WordListGenerator Class:
class WordListGenerator:
    def __init__(self, min_length=1, max_length=3, char_set='abc'):
        self.min_length = min_length
        self.max_length = max_length
        self.char_set = char_set

    def generate_word_list(self):
        word_list = []
        for length in range(self.min_length, self.max_length + 1):
            for combination in itertools.product(self.char_set, repeat=length):
                word = ''.join(combination)
        return word_list

In this section, we define a class called WordListGenerator. This class will be used to generate all combinations of a specified character set for a given word length. The __init__ method is the constructor of the class, which sets default minimum and maximum lengths and character sets. The generate_word_list method generates all combinations and prints them to the screen(Password Security with Machine Learning).

  1. Defining the main Function:
def main():
    parser = argparse.ArgumentParser(description="wordlist generator by DenizHalil")
    parser.add_argument("--min", dest="min", type=int, required=True, help="Enter minimum word length")
    parser.add_argument("--max", dest="max", type=int, required=True, help="Enter maximum word length")
    parser.add_argument("--charset", dest="char_set", default="abc", help="Character set (default: 'abc')")
    return parser.parse_args()

In this section, we define a function named main. This function processes command-line arguments and prompts the user to enter the minimum word length, maximum word length, and character set.

  1. Running the Main Code:
if __name__ == "__main__":
    args = main()
    generator = WordListGenerator(args.min, args.max, args.char_set)
    word_list = generator.generate_word_list()

In this section, we call the main function, create an instance of the WordListGenerator class with the arguments obtained from the user, and generate the wordlist using the generate_word_list method.

Wordlist creation with Python
Python wordlist creation
Generating wordlists using Python
Python tool for wordlist creation
Creating wordlists with Python program


In this article, we provided a general introduction to creating wordlists using Python. We understood the importance of wordlists in cybersecurity and developed a simple wordlist generator program. Such tools can support cybersecurity experts in their efforts to strengthen password security while also helping to prevent potential attacks by cyber adversaries. Therefore, the use and development of such tools are crucial for anyone working in the field of cybersecurity.

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