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Reading Time: 3 minutes Crack is a potent form of cocaine that can easily be produced from powder cocaine to be smoked. Overdose Crack users risk overdose by varying potency levels, combining crack use with other substances, or when they have compromised health issues.
Bingeing Signs of crack use may be a cycle of abuse that can go on for days. Crashing Crack use can make a person withdrawn, paranoid, and hostile. However, you can also run other types of attacks like Bruteforce attack, Rainbow Table etc. Dictionary attack: This is the popular and most usable attack in the JTR John the Ripper password cracker tool where we used pre-defined words or a list of words that can be used to crack the password.
This attack uses the words from the wordlist A text file having pre-defined words and matches every single word from the list with a password to crack in sequence.
Ans: This attack uses pre-defined words that are present in english dictionary, Hence its name is dictionary attack. Brute-force attack: If you are using this attack then you have to do the configuration of few things before its use such as the defining minimum and maximum lengths of the password, defining possible characters that you want to test during the cracking process like special characters, alphabets and numbers.
If you don't know about Kali Linux and want to install that then you can click on how to install Kali Linux. As I told it already present in Kali Linux that can be executed by opening the terminal and running the john command. Installing JTR binaries on other systems are also easy. If you are using different Linux distributions like Ubuntu, Fedora, Arch etc. So replace your desired package manager name in the below command according to your device.
The penetration testers, ethical hackers, security experts and other Cyber Security professionals use this tool to find weak algorithms and then make them strong so that they can't be hacked.
Now we have enough knowledge of the John the Ripper tool and we also installed it. Let's see how we use it. Using this password cracker tool is very easy and straightforward, you just need to type john followed by the hash file that you want to crack and then just define the format of the hash and hit enter.
In the above picture, you can see lots of supported formats, You can do various things with this tool such as using wordlists, rules, modes, options, decrypting formats etc, We will see below how to use these various things in this tool.
Now in this section, we will learn practically how to use john the ripper password cracker to crack password-protected zip, rar, hash, MD5 and SHA1 files, also we will see how to crack Linux passwords of all users. Note: In this tutorial, we will also use some basic Linux commands to create text files and redirect their outputs to other files. So if you are not familiar with the command line then you can check my blog by clicking on basic Linux commands.
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