As the title suggests i would like to learn how to bruteforce roblox accounts. My reasoning is that i believe i can help people get their accounts back (and occasionally treat myself to people who have been inactive) if you know any discord servers/subreddits that tells you how to hack roblox/ any other kind of account really feel free to comment plox. Hacking of Roblox accounts is so popular that now it is becoming easy for hackers to get passwords. It is a worldwide threat to every account holder and they should know about the results of hacking. List of Best Ways to Guess Roblox Passwords in 2020 List of Best Ways to Guess Roblox Passwords in 2020. May 24, 2020 How Hackers Hack Roblox Accounts. Some of the ways by which hackers gain access to Roblox accounts is through phishing and/or social engineering and through the installation of keylogger-rigged softwares. Most hackers milling round the internet often go extra miles to learn how to hack Roblox accounts and below is how they do it.

Passwords are the most commonly used method for user authentication. Passwords are so popular because the logic behind them makes sense to people and they’re relatively easy for developers to implement.

However, passwords can also introduce security vulnerabilities. Password crackers are designed to take credential data stolen in a data breach or other hack and extract passwords from it.

What is password cracking?

A well-designed password-based authentication system doesn’t store a user’s actual password. This would make it far too easy for a hacker or a malicious insider to gain access to all of the user accounts on the system.

Instead, authentication systems store a password hash, which is the result of sending the password — and a random value called a salt — through a hash function. Hash functions are designed to be one-way, meaning that it is very difficult to determine the input that produces a given output. Since hash functions are also deterministic (meaning that the same input produces the same output), comparing two password hashes (the stored one and the hash of the password provided by a user) is almost as good as comparing the real passwords.

Password cracking refers to the process of extracting passwords from the associated password hash. This can be accomplished in a few different ways:

• Dictionary attack: Most people use weak and common passwords. Taking a list of words and adding a few permutations — like substituting $ for s — enables a password cracker to learn a lot of passwords very quickly.
• Brute-force guessing attack: There are only so many potential passwords of a given length. While slow, a brute-force attack (trying all possible password combinations) guarantees that an attacker will crack the password eventually.
• Hybrid attack: A hybrid attack mixes these two techniques. It starts by checking to see if a password can be cracked using a dictionary attack, then moves on to a brute-force attack if it is unsuccessful.

Most password-cracking or password finder tools enable a hacker to perform any of these types of attacks. This post describes some of the most commonly used password-cracking tools.

1. Hashcat

Hashcat is one of the most popular and widely used password crackers in existence. It is available on every operating system and supports over 300 different types of hashes.

Hashcat enables highly-parallelized password cracking with the ability to crack multiple different passwords on multiple different devices at the same time and the ability to support a distributed hash-cracking system via overlays. Cracking is optimized with integrated performance tuning and temperature monitoring.

Download Hashcat here.

2. John the Ripper

John the Ripper is a well-known free open-source password cracking tool for Linux, Unix and Mac OS X. A Windows version is also available.

John the Ripper offers password cracking for a variety of different password types. It goes beyond OS passwords to include common web apps (like WordPress), compressed archives, document files (Microsoft Office files, PDFs and so on), and more.

A pro version of the tool is also available, which offers better features and native packages for target operating systems. You can also download Openwall GNU/*/Linux that comes with John the Ripper.

Download John the Ripper here.

3. Brutus

Brutus is one of the most popular remote online password-cracking tools. It claims to be the fastest and most flexible password cracking tool. This tool is free and is only available for Windows systems. It was released back in October 2000.

Brutus supports a number of different authentication types, including:

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• HTTP (basic authentication)
• HTTP (HTML Form/CGI)
• POP3
• FTP
• SMB
• Telnet
• IMAP
• NNTP
• NetBus
• Custom protocols

It is also capable of supporting multi-stage authentication protocols and can attack up to sixty different targets in parallel. It also offers the ability to pause, resume and import an attack.

Brutus has not been updated for several years. However, its support for a wide variety of authentication protocols and ability to add custom modules make it a popular tool for online password cracking attacks.

Get the Brutus password finder online here.

4. Wfuzz

Wfuzz is a web application password-cracking tool like Brutus that tries to crack passwords via a brute-force guessing attack. It can also be used to find hidden resources like directories, servlets and scripts. Wfuzz can also identify injection vulnerabilities within an application such as SQL injection, XSS injection and LDAP injection.

Key features of the Wfuzz password-cracking tool include:

• Injection at multiple points in multiple directories
• Output in colored HTML
• Post, headers and authentication data brute-forcing
• Proxy and SOCK support, multiple proxy support
• Multi-threading
• HTTP password brute-force via GET or POST requests
• Time delay between requests
• Cookie fuzzing

5. THC Hydra

THC Hydra is an online password-cracking tool that attempts to determine user credentials via brute-force password guessing attack. It is available for Windows, Linux, Free BSD, Solaris and OS X.

THC Hydra is extensible with the ability to easily install new modules. It also supports a number of network protocols, including Asterisk, AFP, Cisco AAA, Cisco auth, Cisco enable, CVS, Firebird, FTP, HTTP-FORM-GET, HTTP-FORM-POST, HTTP-GET, HTTP-HEAD, HTTP-PROXY, HTTPS-FORM-GET, HTTPS-FORM-POST, HTTPS-GET, HTTPS-HEAD, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MYSQL, NCP, NNTP, Oracle Listener, Oracle SID, Oracle, PC-Anywhere, PCNFS, POP3, POSTGRES, RDP, Rexec, Rlogin, Rsh, SAP/R3, SIP, SMB, SMTP, SMTP Enum, SNMP, SOCKS5, SSH (v1 and v2), Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP.

Download THC Hydra here.

If you are a developer, you can also contribute to the tool’s development.

6. Medusa

Medusa is an online password-cracking tool similar to THC Hydra. It claims to be a speedy parallel, modular and login brute-forcing tool. It supports HTTP, FTP, CVS, AFP, IMAP, MS SQL, MYSQL, NCP, NNTP, POP3, PostgreSQL, pcAnywhere, rlogin, SMB, rsh, SMTP, SNMP, SSH, SVN, VNC, VmAuthd and Telnet.

Medusa is a command-line tool, so some level of command-line knowledge is necessary to use it. Password-cracking speed depends on network connectivity. On a local system, it can test 2,000 passwords per minute.

Medusa also supports parallelized attacks. In addition to a wordlist of passwords to try, it is also possible to define a list of usernames or email addresses to test during an attack.

Read more about this here.

Download Medusa here.

7. RainbowCrack

All password-cracking is subject to a time-memory tradeoff. If an attacker has precomputed a table of password/hash pairs and stored them as a “rainbow table,” then the password-cracking process is simplified to a table lookup. This threat is why passwords are now salted: adding a unique, random value to every password before hashing it means that the number of rainbow tables required is much larger.

RainbowCrack is a password cracking tool designed to work using rainbow tables. It is possible to generate custom rainbow tables or take advantage of preexisting ones downloaded from the internet. RainbowCrack offers free downloads of rainbow tables for the LANMAN, NTLM, MD5 and SHA1 password systems.

Download rainbow tables here.

A few paid rainbow tables are also available, which you can buy from here.

This tool is available for both Windows and Linux systems.

Download RainbowCrack here.

8. OphCrack

OphCrack is a free rainbow table-based password cracking tool for Windows. It is the most popular Windows password cracking tool but can also be used on Linux and Mac systems. It cracks LM and NTLM hashes. For cracking Windows XP, Vista and Windows 7, free rainbow tables are also available.

A live CD of OphCrack is also available to simplify the cracking. One can use the Live CD of OphCrack to crack Windows-based passwords. This tool is available for free.

Download OphCrack here.

Download free and premium rainbow tables for OphCrack here.

9. L0phtCrack

L0phtCrack is an alternative to OphCrack. It attempts to crack Windows passwords from hashes. For cracking passwords, it uses Windows workstations, network servers, primary domain controllers and Active Directory. It also uses dictionary and brute-force attacks for generating and guessing passwords. It was acquired by Symantec and discontinued in 2006. Later, L0pht developers again reacquired it and launched L0phtCrack in 2009.

L0phtCrack also comes with the ability to scan routine password security scans. One can set daily, weekly or monthly audits, and it will start scanning at the scheduled time.

Learn about L0phtCrack here.

10. Aircrack-ng

Aircrack-ng is a Wi-Fi password-cracking tool that can crack WEP or WPA/WPA2 PSK passwords. It analyzes wireless encrypted packets and then tries to crack passwords via the dictionary attacks and the PTW, FMS and other cracking algorithms. It is available for Linux and Windows systems. A live CD of Aircrack is also available.

Aircrack-ng tutorials are available here.

Download Aircrack-ng here.

How to create a password that’s hard to crack

In this post, we have listed 10 password-cracking tools. These tools try to crack passwords with different password-cracking algorithms. Most of the password cracking tools are available for free. So, you should always try to have a strong password that is hard to crack. These are a few tips you can try while creating a password.

• The longer the password, the harder it is to crack: Password length is the most important factor. The complexity of a brute force password guessing attack grows exponentially with the length of the password. A random seven-character password can be cracked in minutes, while a ten-character one takes hundreds of years.
• Always use a combination of characters, numbers and special characters: Using a variety of characters also makes brute-force password-guessing more difficult, since it means that crackers need to try a wider variety of options for each character of the password. Incorporate numbers and special characters and not just at the end of the password or as a letter substitution (like @ for a).
• Variety in passwords: Credential stuffing attacks use bots to test if passwords stolen from one online account are also used for other accounts. A data breach at a tiny company could compromise a bank account if the same credentials are used. Use a long, random, and unique password for all online accounts.

What to avoid while selecting your password

Cybercriminals and password cracker developers know all of the “clever” tricks that people use to create their passwords. A few common password mistakes that should be avoided include:

1. Using a dictionary word: Dictionary attacks are designed to test every word in the dictionary (and common permutations) in seconds.
2. Using personal information: A pet’s name, relative’s name, birthplace, favorite sport and so on are all dictionary words. Even if they weren’t, tools exist to grab this information from social media and build a wordlist from it for an attack.
3. Using patterns: Passwords like 1111111, 12345678, qwerty and asdfgh are some of the most commonly used ones in existence. They’re also included in every password cracker’s wordlist.
4. Using character substitutions: Character substitutions like 4 for A and $ for S are well-known. Dictionary attacks test for these substitutions automatically.
5. Using numbers and special characters only at the end: Most people put their required numbers and special characters at the end of the password. These patterns are built into password crackers.
6. Using common passwords: Every year, companies like Splashdata publish lists of the most commonly used passwords. They create these lists by cracking breached passwords, just like an attacker would. Never use the passwords on these lists or anything like them.
7. Using anything but a random password: Passwords should be long, random, and unique. Use a password manager to securely generate and store passwords for online accounts.

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Conclusion

Password-cracking tools are designed to take the password hashes leaked during a data breach or stolen using an attack and extract the original passwords from them. They accomplish this by taking advantage of the use of weak passwords or by trying every potential password of a given length.

Password finders can be used for a variety of different purposes, not all of them bad. While they’re commonly used by cybercriminals, security teams can also use them to audit the strength of their users’ passwords and assess the risk of weak passwords to the organization.

The brute force attack is still one of the most popular password-cracking methods. Nevertheless, it is not just for password cracking. Brute force attacks can also be used to discover hidden pages and content in a web application. This attack is basically “a hit and try” until you succeed. This attack sometimes takes longer, but its success rate is higher.

In this article, I will try to explain brute force attacks and popular tools used in different scenarios for performing brute force attacks to get desired results.

What is a brute force attack?

A brute force attack when an attacker uses a set of predefined values to attack a target and analyze the response until he succeeds. Success depends on the set of predefined values. If it is larger, it will take more time, but there is a better probability of success.

The most common and easiest to understand example of the brute force attack is the dictionary attack to crack passwords. In this, the attacker uses a password dictionary that contains millions of words that can be used as a password. The attacker tries these passwords one by one for authentication. If this dictionary contains the correct password, the attacker will succeed.

In a traditional brute force attack, the attacker just tries the combination of letters and numbers to generate a password sequentially. However, this traditional technique will take longer when the password is long enough. These attacks can take several minutes to several hours or several years, depending on the system used and length of password.

To prevent password cracking from brute force attacks, one should always use long and complex passwords. This makes it hard for attackers to guess the password, and brute force attacks will take too much time. Account lockout is another way to prevent the attacker from performing brute force attacks on web applications. However, for offline software, things are not as easy to secure.

Similarly, for discovering hidden pages, the attacker tries to guess the name of the page, sends requests and sees the response. If the page does not exist, it will show a 404 response; on a success, the response will be 200. In this way, it can find hidden pages on any website.

Brute force is also used to crack the hash and guess a password from a given hash. In this, the hash is generated from random passwords and then this hash is matched with a target hash until the attacker finds the correct one. Therefore, the higher the type of encryption (64-bit, 128-bit or 256-bit encryption) used to encrypt the password, the longer it can take to break.

Reverse brute force attack

A reverse brute force attack is another term that is associated with password cracking. It takes a reverse approach in password cracking. In this, the attacker tries one password against multiple usernames. Imagine if you know a password but do not have any idea of the usernames. In this case, you can try the same password and guess the different usernames until you find the working combination.

Now, you know that a brute-forcing attack is mainly used for password cracking. You can use it in any software, any website or any protocol which does not block requests after a few invalid trials. In this post, I am going to add a few brute force password-cracking tools for different protocols.

Popular tools for brute force attacks

Aircrack-ng

I am sure you already know about the Aircrack-ng tool. This is a popular brute force wifi password cracking tool available for free. I also mentioned this tool in our older post on most popular password-cracking tools. This tool comes with WEP/WPA/WPA2-PSK cracker and analysis tools to perform attacks on Wi-Fi 802.11. Aircrack-ng can be used for any NIC which supports raw monitoring mode.

It basically performs dictionary attacks against a wireless network to guess the password. As you already know, the success of the attack depends on the dictionary of passwords. The better and more effective the password dictionary is, the more likely it is that it will crack the password.

It is available for Windows and Linux platforms. It has also been ported to run on iOS and Android platforms. You can try it on given platforms to see how this tool can be used for brute force wifi password cracking.

Download Aircrack-ng here.

John the Ripper

John the Ripper is another awesome tool that does not need any introduction. It has been a favorite choice for performing brute force attacks for a long time. This free password-cracking software was initially developed for Unix systems. Later, developers released it for various other platforms. Now, it supports fifteen different platforms including Unix, Windows, DOS, BeOS and OpenVMS.

You can use this either to identify weak passwords or to crack passwords for breaking authentication.

This tool is very popular and combines various password-cracking features. It can automatically detect the type of hashing used in a password. Therefore, you can also run it against encrypted password storage.

Basically, it can perform brute force attacks with all possible passwords by combining text and numbers. However, you can also use it with a dictionary of passwords to perform dictionary attacks.

Download John the Ripper here.

Rainbow Crack

Rainbow Crack is also a popular brute-forcing tool used for password cracking. It generates rainbow tables for using while performing the attack. In this way, it is different from other conventional brute-forcing tools. Rainbow tables are pre-computed. It helps in reducing the time in performing the attack.

The good thing is that there are various organizations which have already published the pre-computer rainbow tables for all internet users. To save time, you can download those rainbow tables and use them in your attacks.

This tool is still in active development. It is available for both Windows and Linux and supports all latest versions of these platforms.

Download Rainbow Crack and read more about this tool here.

L0phtCrack

L0phtCrack is known for its ability to crack Windows passwords. It uses dictionary attacks, brute force attacks, hybrid attacks and rainbow tables. The most notable features of L0phtcrack are scheduling, hash extraction from 64-bit Windows versions, multiprocessor algorithms and network monitoring and decoding. If you want to crack the password of a Windows system, you can try this tool.

Download L0phtCrack here.

Ophcrack

Ophcrack is another brute-forcing tool specially used for cracking Windows passwords. It cracks Windows passwords by using LM hashes through rainbow tables. It is a free and open-source tool.

In most cases, it can crack a Windows password in a few minutes. By default, Ophcrack comes with rainbow tables to crack passwords of less than 14 characters which contain only alphanumeric characters. Other rainbow tables are also available to download.

Ophcrack is also available as LiveCD.

Download Ophcrack here.

Hashcat

Hashcat claims to be the fastest CPU-based password cracking tool. It is free and comes for Linux, Windows and Mac OS platforms. Hashcat supports various hashing algorithms including LM Hashes, MD4, MD5, SHA-family, Unix Crypt formats, MySQL and Cisco PIX. It supports various attacks including brute force attacks, combinator attacks, dictionary attacks, fingerprint attacks, hybrid attacks, mask attacks, permutation attack, rule-based attacks, table-lookup attacks and toggle-case attacks.

Download Hashcat here.

DaveGrohl

DaveGrohl is a popular brute-forcing tool for Mac OS X. It supports all available versions of Mac OS X. This tool supports both dictionary attacks and incremental attacks. It also has a distributed mode that lets you perform attacks from multiple computers to attack on the same password hash.

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This tool is now open-source and you can download the source code.

Download DaveGrohl here.

Ncrack

Ncrack is also a popular password-cracking tool for cracking network authentications. It supports various protocols including RDP, SSH, HTTP(S), SMB, POP3(S), VNC, FTP and Telnet. It can perform different attacks including brute-forcing attacks. It supports various platforms including Linux, BSD, Windows and Mac OS X.

Download Ncrack here.

THC Hydra

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THC Hydra is known for its ability to crack passwords of network authentications by performing brute force attacks. It performs dictionary attacks against more than 30 protocols including Telnet, FTP, HTTP, HTTPS, SMB and more. It is available for various platforms including Linux, Windows/Cygwin, Solaris 11, FreeBSD 8.1, OpenBSD, OSX and QNX/Blackberry.

Download THC Hydra here.

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Conclusion

These are a few popular brute-forcing tools for password cracking. There are various other tools are also available which perform brute force on different kinds of authentication. If I just give an example of a few small tools, you will see most of the PDF-cracking and ZIP-cracking tools use the same brute force methods to perform attacks and crack passwords. There are many such tools available for free or paid.

Brute-forcing is the best password-cracking method. The success of the attack depends on various factors. However, factors that affect most are password length and combination of characters, letters and special characters. This is why when we talk about strong passwords, we usually suggest that users have long passwords with a combination of lower-case letters, capital letters, numbers and special characters. It does not make brute-forcing impossible but it does make it difficult. Therefore, it will take a longer time to reach to the password by brute-forcing.

Almost all hash-cracking algorithms use the brute force to hit and try. This attack is best when you have offline access to data. In that case, it makes it easy to crack and takes less time.

Brute force password cracking is also very important in computer security. It is used to check the weak passwords used in the system, network or application.

The best way to prevent brute force attacks is to limit invalid logins. In this way, attacks can only hit and try passwords only for limited times. This is why web-based services start showing captchas if you hit the wrong passwords three times or they will block your IP address.