We have a set initial password for brute force with the name string to provide keys for dictionary matching, and we can provide them with a set of strings to apply certain keywords to their dictionary with this parameter.
Now to crack the password, John the Ripper will identify all potential passwords in a hashed format. It will then match the hashed passwords with the initial hashed password and try to find a match.
If a match is found in the password hash, John the Ripper then displays the password in raw form as the cracked password. The process of matching the password hashes to locate a match is known as a dictionary attack.
The final step would be to generate random passwords and use a password manager. There are a variety of options including the Chrome built-in Google password manager. If you use a strong password for each site you use, it becomes extremely hard to crack your password.
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Password cracking tools can also be used by system administrators to check for easily hackable passwords. Although traditionally perceived to be used exclusively for criminal purposes, using password hacking tools to test or recover lost passwords is a legal practice. The best password cracker apps can handle multiple targets simultaneously, are usable on different platforms, and support multiple protocols.
John the Ripper is a good choice for a password cracking tool, mainly because of its open-source nature and support for different platforms. The open-source nature means that the code is available to the public, so users do not have to worry about the legality of the software and about potential malware of malicious programs that might be deeply integrated into the software.
John the Ripper is usable for passwords on Windows, macOS, and Linux, along with web apps, groupware, database servers, network traffic captures (such as network authentication and WiFi), encrypted private keys, filesystems, archives, and document files. Additionally, John the Ripper jumbo can support hundreds of hash and cipher types.
John the Ripper is safe to use as it runs under the same user privileges for every other program by the user. As for privacy, the cracked password is shown or given only to the user; it is up to each user to take steps to prevent unauthorized access by other users.
Hashcat does not store any cracked passwords on its servers, ensuring that any passwords deciphered by the user are given to that user alone. For this reason, it is possible to say that Hashcat provides privacy.
Medusa is an online password-cracking tool that supports plenty of protocols, including HTTP, SSH, FTP, CVS, AFP, POP3, Telnet, and more. The software works as a login brute-forcer; many credentials using as many protocols as possible are inputted to arrive at the correct password.
THC Hydra has seen many comparisons to Medusa as a password cracker, but there are notable differences between the two software. Like Medusa, THC Hydra is also an online password cracking tool that uses a brute-force password guessing method. One key difference is that THC Hydra can be installed on Windows, macOS, Linux, Free BSD, and Solaris, notably more platforms than Medusa supports. In addition to the brute-force method, THC Hydra can also use dictionary attacks, using external wordlists.
WFuzz is another brute-force password-cracking tool, much like Medusa and THC Hydra. Another feature of the program is finding hidden resources like servlets, directories, and scripts. The tool also supports multiple injection types with multiple dictionaries.
While most password cracking tools are used to detect easily-cracked passwords, WFuzz can also find injection vulnerabilities in an application, such as XSS injection, SQL injection, and LDAP injection. WFuzz stands out as more than just a password cracker; the software also allows users to detect vulnerabilities and secure Web applications as a whole.
The software supports multiple platforms, including FTP, HTTP, POP3, SMB, Telnet, NetBus, IMAP, and NNTP. There are also multiple brute force modes that users can choose from to tweak the exact methodology by which Brutus cracks passwords.
Unlike most password crackers on the list, Brutus does not support any operating system other than Windows desktop. Additionally, Brutus cannot crack passwords for social media and email accounts. The program also cannot hack complex passwords that consist of numbers, letters, and symbols.
Brutus is a free software that does not require command-line knowledge or familiarity from the user. The graphics user interface allows for relatively easier use than more powerful and more technical password crackers that use only command-line interfaces. For this reason, Brutus is recommended for simple projects and users who are unfamiliar with complex interfaces.
RainbowCrack is another password cracker tool that uses a rainbow table attack to decipher passwords in hash form. The main technique used is the time-memory trade-off technique which can be accelerated with multiple GPUs. Users can use RainbowCrack to generate rainbow tables to be used in the password cracking process or download preexisting rainbow tables from the Internet.
There are no recorded instances of RainbowCrack gaining unauthorized access or causing crashes to computers with capable hardware. RainbowCrack also does not store any passwords on a server that allows access or transmission to other people.
L0phtCrack is an open-source password cracking tool that can be used to crack Windows passwords. The main techniques that L0phtCrack uses are the dictionary attack and the brute-force attack, which allows the program to generate and guess passwords.
In addition to password-cracking features, L0phtcrack also offers routine password security scans as a network security preventive measure. The user can choose between daily, weekly, or monthly frequency options.
L0phtcrack is unique in that first-time users are greeted with a simple tutorial when launching the program for the first time. Additionally, L0phtcrack also has management functions like reporting and account disabling, making the software more flexible than conventional password cracking apps.
L0phtcrack also uses a graphical user interface (GUI) as opposed to a command line, making password recovery much easier than manually typing in commands that users will have to look up before using the software.
OphCrack is a free, open-source password cracker that uses rainbow table attacks to decipher passwords. Specifically, the program cracks LM and NTLM hashes. LM hashes are for Windows XP and earlier operating systems, while NTLM hashes are for Windows Vista and subsequent Windows operating systems. The rainbow attack has been used to decipher an 8-character password in just six seconds, using a rainbow table that contains uppercase and lowercase letters and numbers.
Since Ophcrack is primarily for recovering Windows OS passwords, most users will be unable to use Ophcrack the same way other password crackers are used. This is where the Live CD comes in, which contains a small operating system that can be run independently.
Aircrack-ng is a good choice for cracking WiFi passwords, allowing users to crack passwords that use either the WEP or the WPA/WPA2 PSK standards. As for the technique, Aircrack-ng uses a dictionary attack with multiple supported algorithms, including PTW and FMS.
Using Aircrack-ng to crack Wi-Fi passwords can be slightly more complicated. To get started using THC Hydra, the software will first have to be started in monitoring mode, and drivers will have to be set up before the wireless client can be unauthenticated, which allows the pre-shared key to be identified.
Aircrack-ng is primarily a network scanner that happens to have password cracking capabilities. There are no reports of Aircrack-ng transmitting recovered or deciphered passwords, although the software has been noted to be able to transmit packets, which can be a security concern for some.
Unlike most entries on the list, CrackStation does not have a standalone program installed on the computer. Rather, CrackStation is a free web-based password cracker that uses the dictionary attack technique to crack hashes, which allows the program to be used on any operating system, even on mobile.
Password Cracker also supports multiple languages and is available as a free download. However, it can only crack passwords for Windows applications. Additionally, there is no support for password recovery for MS Office password-protected documents since the password encryption for MS Office is not supported by Password Cracker.
Like other password cracking apps on the list, Password Cracker is also safe to use, with millions of downloads and no reported instances of hash leaks. Password Cracker may be used legally, provided that users limit password cracking to owned passwords.
The specific techniques all use a variation of the dictionary method, except the brute-force method, which relies on entering all possible combinations, starting from shorter lengths to longer ones. However, some modes of brute-forcing still make use of a lookup table containing commonly known passwords or previously leaked passwords to speed up the password cracking process.
Yes. In theory, all passwords can be cracked but it is impractical to crack strong passwords as it takes much longer. The main factors that determine the crackability of a password are length, complexity, and uniqueness.
Strong passwords use a combination of uppercase and lowercase letters, numbers, and symbols for security. These kinds of passwords take longer to crack, as they are less likely to be found in wordlists. Strong passwords also cannot be brute-forced in a short amount of time and tend not to be used on any other website or network. While all passwords can be cracked given enough time, sufficiently complex and lengthy passwords will require so much time that cracking is realistically impossible. Certain websites allow users to input their passwords to determine how long the passwords will take to be cracked. For long and complex passwords, the cracking process can take upwards of millions of years, which is virtually impossible for the vast majority of computers. 2b1af7f3a8