There are many password-cracking tools out there, but one of the mainstays has always been John the Ripper. It's a powerful piece of software that can be configured and used in many different ways. Metasploit actually contains a little-known module version of JTR that can be used to quickly crack weak passwords, so let's explore it in an attempt to save precious time and effort.
We can see it starts out by attempting to crack any LM hashes, first in wordlist mode, followed by single-mode, and finally, incremental mode. Next, it follows the same procedure for any NT hashes that are present. Once it completes, it shows us any cracked passwords that it uncovered, along with the associated username:
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In this tutorial, we learned about Metasploit's John the Ripper module and how to use it to quickly crack Windows hashes. We first exploited the target using EternalBlue and used the hashdump post module to grab user hashes and store them to the database. Then, we ran the JTR module right in Metasploit and cracked the hash of one of the users. Metasploit's JTR module makes it easy to obtain weak passwords in very little time, and it should be worth a shot in any Windows post-exploitation campaign.
To begin with, I should state that a properly configured Cisco device is a tough target to crack. Vulnerabilities exist in IOS, just like any other piece of software, but only a few folks have managed to leverage memory corruption flaws into code execution. For this reason, the majority of real-world attacks against IOS devices tend to focus on two areas: poor configuration and weak passwords.
Metasploit Express and Metasploit Pro can automatically recycle credentials obtained from these configuration files to gain access to other devices on the network. If you crack one Cisco device through a weak SNMP community and discover that the vty password is "ciscorules!", you can use the "known-only" profile of the brute force component to automatically try this password, via any protocol, against any other device on the network. Once you gain access to other devices, the configuration files are obtained and the entire process starts again. You can easily apply a password taken from a Cisco router against the login page of an intranet site or leverage a password obtained through a traditional exploit to gain access to a multitude of network devices. One of our development goals is to ensure that our users can always identify and exploit the weakest link on a given network.
Metasploit framework is a package of tools that researches the security of IT systems and uses that information to launch attacks. This tool can be used by hackers and it is also widely used by penetration testers. ","author":"@type":"Person","name":"Stephen Cooper","description":"Stephen Cooper has taken a close interest in online security since his thesis on Internet encryption in the early 90s. That formed part of his BSC (Hons) in Computing and Informatics at the University of Plymouth. In those days, encapsulation techniques were just being formulated and Cooper kept an eye on those methodologies as they evolved into the VPN industry. Cooper went on to study an MSC in Advanced Manufacturing Systems and Kingston University.\nCooper worked as a technical consultant, sitting DBA exams and specializing in Oracle Applications. With a long experience as a programmer, Cooper is able to assess systems by breaking into programs and combing through the code. Knowledge of IT development and operations working practices helps him to focus his reviews on the attributes of software that are really important to IT professionals.\nAfter working as an IT consultant across Europe and the USA, he has become adept at explaining complicated technology in everyday terms. He is a people person with an interest in technology\n","url":"https:\/\/www.comparitech.com\/author\/stephen-cooper\/"}},"@type":"Question","name":"Can I hack with Metasploit?","answerCount":1,"acceptedAnswer":"@type":"Answer","text":"Metasploit was made for hacking. Its big advantage is that it includes methods to identify weaknesses in an IT system and other tools to try to break into them. The system is a good tool for penetration testers as well.","author":"@type":"Person","name":"Stephen Cooper","description":"Stephen Cooper has taken a close interest in online security since his thesis on Internet encryption in the early 90s. That formed part of his BSC (Hons) in Computing and Informatics at the University of Plymouth. In those days, encapsulation techniques were just being formulated and Cooper kept an eye on those methodologies as they evolved into the VPN industry. Cooper went on to study an MSC in Advanced Manufacturing Systems and Kingston University.\nCooper worked as a technical consultant, sitting DBA exams and specializing in Oracle Applications. With a long experience as a programmer, Cooper is able to assess systems by breaking into programs and combing through the code. Knowledge of IT development and operations working practices helps him to focus his reviews on the attributes of software that are really important to IT professionals.\nAfter working as an IT consultant across Europe and the USA, he has become adept at explaining complicated technology in everyday terms. He is a people person with an interest in technology\n","url":"https:\/\/www.comparitech.com\/author\/stephen-cooper\/","@type":"Question","name":"Is Metasploit still free?","answerCount":1,"acceptedAnswer":"@type":"Answer","text":"Metasploit Framework is a free, open-source system. There is a better version, called Metasploit Pro, which is the Metasploit Framework with extra features added on by Rapid7. Metasploit Pro is not free.","author":"@type":"Person","name":"Stephen Cooper","description":"Stephen Cooper has taken a close interest in online security since his thesis on Internet encryption in the early 90s. That formed part of his BSC (Hons) in Computing and Informatics at the University of Plymouth. In those days, encapsulation techniques were just being formulated and Cooper kept an eye on those methodologies as they evolved into the VPN industry. Cooper went on to study an MSC in Advanced Manufacturing Systems and Kingston University.\nCooper worked as a technical consultant, sitting DBA exams and specializing in Oracle Applications. With a long experience as a programmer, Cooper is able to assess systems by breaking into programs and combing through the code. Knowledge of IT development and operations working practices helps him to focus his reviews on the attributes of software that are really important to IT professionals.\nAfter working as an IT consultant across Europe and the USA, he has become adept at explaining complicated technology in everyday terms. He is a people person with an interest in technology\n","url":"https:\/\/www.comparitech.com\/author\/stephen-cooper\/"]} "@context":"http:\/\/schema.org","@type":"BreadcrumbList","itemListElement":["@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.comparitech.com\/","@type":"ListItem","position":2,"name":"Net Admin","item":"https:\/\/www.comparitech.com\/net-admin\/","@type":"ListItem","position":3,"name":"Metasploit Review, Installation & Use plus The Best Alternatives","item":"https:\/\/www.comparitech.com\/net-admin\/metasploit-review\/"]Net AdminMetasploit Review, Installation & Use plus The Best Alternatives We are funded by our readers and may receive a commission when you buy using links on our site. Metasploit Review, Installation & Use plus The Best Alternatives Metasploit is a hacker tool that penetration testers can use to probe a system for vulnerabilities. Stephen Cooper @VPN_News UPDATED: October 21, 2022 body.single .section.main-content.sidebar-active .col.grid-item.sidebar.span_1_of_3 float: right; body.single .section.main-content.sidebar-active .col.grid-item.content.span_2_of_3 margin-left: 0;
Before downloading the installer, crate the directory c:\metasploit. Go through the anti-virus disabling steps shown above if you are installing on Windows. Then, add in an exclusion for c:\metasploit. You will have less trouble installing on Linux. However, if you have an anti-virus system, you need to set up Metasploit as an exception to prevent your AV from blocking the installation.
This command-line utility offers just one command, but it has hundreds of options, which changes the function that gets run. This utility documents database and also launch attacks. The service includes valuable processes, such as password cracking and injection attacks. Some of the episodes can be conducted without leaving any trace, while others are intended to alter data in the database under attack.
The John The Ripper module is used to identify weak passwords that have been acquired as hashed files (loot) or raw LANMAN/NTLM hashes (hashdump). The goal of this module is to find trivial passwords in a short amount of time. To crack complex passwords or use large wordlists, John the Ripper should be used outside of Metasploit. This initial version just handles LM/NTLM credentials from hashdump and uses the standard wordlist and rules.
So, if you want to make sure your systems are locked down tight and as secure as possible, use Metasploit. After all, I can assure you, hackers will be using Metasploit to crack into your company for entirely different reasons.
For testing purpose, Rapid7 has created a VM machine with plenty of vulnerabilities. Keep in mind that you are not allowed to penetrate any device without permission. Hence, you need to download metasploitable which is a Linux machine. 2ff7e9595c
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