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hashcat.cpp is a small tool designed to crack various hash types using the OpenSSL library. It supports a wide range of hash types and allows you to input a list of passwords to test against them.

System Requirements

Operating System: Termux on Parrot Linux or any similar programming environment.

OpenSSL library must be installed on the system.

g++ for compiling the program.

A Wordlist (.txt file) containing target passwords (e.g., rockyou.txt).

Installation

Open a text editor to create the code:

nano hashcat.cpp

Copy the source code into the file.

Compile the code using OpenSSL:

g++ hashcat.cpp -o hashcat -lcrypto -lssl

Usage

The hashcat tool is used as follows:

./hashcat -h <hash_value> -t <hash_type> -w <wordlist_path> -n <processor/threads>

-h: The hash you wish to crack.

-t: Hash type (e.g., MD4, MD5, SHA1, SHA256, etc.).

-w: The path to the wordlist file containing passwords to test.

-n: The number of threads to use (preferably a value according to your processor).

Examples

Cracking MD4:

./hashcat -h 2add09183d0b1dc0428701df9838fba6 -t MD4 -w rockyou.txt -n 4

Description: This example attempts to crack an MD4 hash 2add09183d0b1dc0428701df9838fba6 using the MD4 hash type from the supported hash types. It uses the rockyou.txt file as a wordlist and utilizes 4 threads.

Cracking SHA-256:

./hashcat -h e4d909c290d0fb1ca068ffaddf22cbd0 -t SHA256 -w /path/to/wordlist.txt -n 6

Description: This example attempts to crack a SHA-256 hash e4d909c290d0fb1ca068ffaddf22cbd0 using the SHA-256 hash type. It uses wordlist.txt as the wordlist file and employs 6 threads.

Cracking Bcrypt:

./hashcat -h $2y$10$te6X/Wo4EomK.c1kLq2eBu8s2NfN94I7OrI.eIdJbTzddzEmLbFO -t BCRYPT -w passwordlist.txt -n 8

Description: This example attempts to crack a Bcrypt hash $2y$10$te6X/Wo4EomK.c1kLq2eBu8s2NfN94I7OrI.eIdJbTzddzEmLbFO using the BCRYPT hash type. It uses passwordlist.txt as the wordlist file and employs 8 threads.

Results

Upon finding a password: You will see a message like:

Hash Fragment Found: Password

and you will be exited from the tool.

If no password is found: You will see:

The hash will not be found.

Common Issues and Solutions

Hash not found:

Ensure the hash type used is correct.

Verify the path to the wordlist file.

Library compatibility issues:

Ensure the installed OpenSSL library works correctly.

Additional Notes

You can adjust the number of threads using the -n flag based on the strength of your processor.

Use the full path for files if they are not located in the current directory.

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