How to Crack Passwords Using Hashcat on Linux – Guide
Hashcat is a password recovery tool that is designed to crack highly complex passwords in a short amount of time.
Hashcat is a tool that can crack hashes in less time than the CPU. It has two variants, one based on CPU and one based on GPU. The GPU-based tool can crack hashes in less time than the CPU, and you can check the GPU driver requirements on its official website.
How to break hashes
The easiest way to crack a hash is to try to guess the password first. Each attempt is hashed and then compared to the actual hash value to see if they are the same, but the process can take a long time.
-Brute force attacks are the most common way to try to guess passwords. This technique uses a large number of guesses, typically thousands, to try to find a password that works. -Dictionary attacks are also common. This technique uses a database of words and phrases that have been found to be commonly used as passwords. -One-time passwords (OTP) are another approach that is used to protect passwords. OTPs are unique codes that users need to enter in order to log in. ..
A lookup table is a data structure that stores the results of a search operation. A lookup table is typically a struc-ture that contains the results of a search operation for a particular key.
This attack allows a cyber attacker to apply a dictionary or brute force attack to many hashes at the same time without having to pre-compute a lookup table.
Rainbow tables are a time memory technique that sacrifice hash breaking speed to make lookup tables smaller.
Salt hashing is a technique that helps to protect passwords by randomly generating a hash of the password before encrypting it with a cryptographic algorithm. This salt is then appended or preceded by a random string, called a “salt”, to create the final hash. ..
Cracking passwords with Hashcat
Hashcat is a tool that can be used to crack passwords and other security-related codes. It is pre-installed on Kali Linux and can be used to crack passwords and other security-related codes.
The software is multi-hash and multi-OS based, allowing it to run on a variety of platforms.
The security of a website is based on the security of its algorithms.
In all attack modes, a player can apply specialized rules to increase their chances of success.
You can resume or limit sessions automatically. They recognize hashes retrieved from the output file on startup.
It can load salt list from external file and brute force attack it.
Threads can be configured and run based on their priority. ..
The software supports the Hex-Charset and Hex-Salt files.
The algorithms can be implemented with performance and optimization in mind, so that they provide the best possible results.
How to crack a password through a dictionary attack
Create a dictionary with MBD5 hashes
- First, we will create a file called “target_hashes”.
- Next, we will use the sha1 command to create a hash of the passwords in the target_hashes file.
- Finally, we will use the md5 command to create a hash of the sha1 output from step 2. ..
Password: md5sum: -c2bfeaadcddb4fbfbdbc1e3dee8f5e6d3f -e4a7bf9afcdee1a2dceeaefedcbbcd
echo -n “Hello” | md5sum | tr -d ‘\r’ » target_hashes.txt ..
To find the hashes of all the files in a directory, use the following command: echo -n “MYDESCRET” | md5sum | tr -d ” -” » target_hashes.txt ..
echo -n “Test1234″ | md5sum | tr -d ” -” » target_hashes.txt
The password for target_hashes.txt is P455w0rd. ..
This is a simple tool to generate hashes of text files. It uses the md5sum algorithm to calculate the checksum of a file and then prints out the resulting hashes.
This command will generate a list of hashes for the file target_hashes.txt. The first hash is the MD5sum of the file, and the second is the SHA-1sum of the file.
The -n option removes the newline added to the final of “Password”. This is important as we don’t want newline characters to be encrypted with our password. The “tr –d ‘ -‘ “ part removes any characters that are a space or hyphen from the output. ..
Check password hashes
git clone https://github.com/apache/commons-cli.git This will clone the commons-cli repository to your computer.
Start Hashcat on Kali Linux
Hashcat can be started from the Kali console with the following command line: -h
Hashcat also created specific rules to use in a wordlist file. The character list can be customized to crack the password(s). Finally, Hashcat offers several options for password hashes that can be cracked.
breaking the hashes
This will create a file called “target_hashes.txt” with the following content: -HASH(0x1fcdcde4) = “password” -HASH(0x1fcdcde8) = “123456” -HASH(0x1fcdcdf4) = “1234” -HASH(0x1fcdcdf8) = “67890”
Hashcat -m 0 -a 0 -o cracked.txt target_hashes.txt /usr/share/wordlists/rockyou.txt
MD5 is a common algorithm used to create a digital fingerprint of data. ..
A zero in a computer code indicates that the instruction is a dummy or a null operation. This type of attack is called dictionary attack because the hacker uses a list of common words and their corresponding code numbers to try to guess the password. ..
-Cracked passwords are a problem because they can be used to access sensitive information or to gain access to accounts that the user doesn’t have permission to access.
Our hashes input file contains the hashes of all the websites we are targeting.
The file /usr/share/wordlists/rockyou.txt is the absolute path to the wordlist file used in this dictionary attack. ..
Final note
How to Crack Passwords Using Hashcat on Linux This guide will show you how to crack passwords using the popular hashcat tool on Linux. Hashcat is a powerful password cracking tool that can be used for a variety of purposes such as cracking passwords, decrypting files, and more. If you’re not familiar with hashcat, it’s a free and open source password cracking tool that can be found at https://hashcat.org/. It’s easy to use and has a lot of features compared to other password cracking tools. To start using hashcat, you first need to install it. You can find the installation instructions here: https://hashcat.org/installation/. Once you’ve installed hashcat, open it up and click on the “help” button to get started: (If you’re not sure how to use the “help” button, please read this guide: https://hashcat.org/how-to-use-hashcat/) Once you’ve opened up hashcat, type in your desired password into the “password” field and hit “enter”: You’ll now see a list of results: You can see that there are many different hashes available for this password: MD5, SHA1, SHA256 etc.: Now that we know which hashes are available for this particular password, we can start trying them out! To try out one of these hashes, just type it into the “password” field again and hit “enter”: You’ll now see some results in the “password” field: Now that we have some results in our “password” field, we can try out some of them! To try out one of these hashes, just type it into the “password” field again and hit “enter”: You’ll now see some results in the “password” field: (MD
