Please leave a comment. Author: Ar0xA It is linux based machine. However, in the current user directory we have a password-raw md5 file. Below we can see we have exploited the same, and now we are root. The target machines IP address can be seen in the following screenshot. We need to figure out the type of encoding to view the actual SSH key. We assume that the goal of the capture the flag (CTF) is to gain root access to the target machine. Anyway, I have tested this machine on VirtualBox and it sometimes loses the network connection. We used the wget utility to download the file. 11. The green highlight area shows cap_dac_read_search allows reading any files, which means we can use this utility to read any files. Although this is straightforward, this is slightly difficult for people who don't have enough experience with CTF challenges and Linux machines. Command used: < ssh i pass icex64@192.168.1.15 >>. Locate the transformers inside and destroy them. Difficulty: Intermediate As the content is in ASCII form, we can simply open the file and read the file contents. The techniques used are solely for educational purposes, and I am not responsible if listed techniques are used against any other targets. limit the amount of simultaneous direct download files to two files, with a max speed of 3mb. Let's start with enumeration. Unfortunately nothing was of interest on this page as well. Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. The target machines IP address can be seen in the following screenshot. We have WordPress admin access, so let us explore the features to find any vulnerable use case. Until now, we have enumerated the SSH key by using the fuzzing technique. Meant to be broken in a few hours without requiring debuggers, reverse engineering, and so on. 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. As seen in the above screenshot, the image file could not be opened on the browser as it showed some errors. With its we can carry out orders. Let us start the CTF by exploring the HTTP port. By default, Nmap conducts the scan on only known 1024 ports. So, let us open the directory on the browser. 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. When we checked the robots.txt file, another directory was mentioned, which can be seen in the above screenshot. The VM isnt too difficult. We will use the FFUF tool for fuzzing the target machine. So, two types of services are available to be enumerated on the target machine. I hope you liked the walkthrough. We decided to download the file on our attacker machine for further analysis. The IP address was visible on the welcome screen of the virtual machine. On browsing I got to know that the machine is hosting various webpages . On the home page, there is a hint option available. 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. Tester(s): dqi, barrebas Also, check my walkthrough of DarkHole from Vulnhub. sudo netdiscover -r 10.0.0.0/24 The IP address of the target is 10.0.0.26 Identify the open services Let's check the open ports on the target. Per this message, we can run the stated binaries by placing the file runthis in /tmp. We do not understand the hint message. Funbox CTF vulnhub walkthrough. frontend There could be hidden files and folders in the root directory. We got the below password . 15. The message states an interesting file, notes.txt, available on the target machine. Similarly, we can see SMB protocol open. This machine works on VirtualBox. We opened the target machine IP address on the browser as follows: The webpage shows an image on the browser. Soon we found some useful information in one of the directories. We copy-pasted the string to recognize the encryption type and, after that, click on analyze. I have tried to show up this machine as much I can. We will continue this series with other Vulnhub machines as well. So, let us identify other vulnerabilities in the target application which can be explored further. So, we collected useful information from all the hint messages given on the target application to login into the admin panel. Until then, I encourage you to try to finish this CTF! Our target machine IP address that we will be working on throughout this challenge is, (the target machine IP address). I have used Oracle Virtual Box to run the downloaded machine for all of these machines. I simply copy the public key from my .ssh/ directory to authorized_keys. I wanted to test for other users as well, but first I wanted to see what level of access Elliot has. Lets start with enumeration. We used the su command to switch the current user to root and provided the identified password. Please remember that the techniques used are solely for educational purposes: I am not responsible if the listed techniques are used against any other targets. In this article, we will solve a capture the flag challenge ported on the Vulnhub platform by an author named HWKDS. computer Please remember that VulnHub is a free community resource so we are unable to check the machines that are provided to us. The capability, cap_dac_read_search allows reading any files. So, let us rerun the FFUF tool to identify the SSH Key. The results can be seen below: Command used: << nmap 192.168.1.11 -p- -sV >>. The identified directory could not be opened on the browser. We added another character, ., which is used for hidden files in the scan command. You play Trinity, trying to investigate a computer on . 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. Series: Fristileaks It can be seen in the following screenshot. Before you download, please read our FAQs sections dealing with the dangers of running unknown VMs and our suggestions for protecting yourself and your network. On the home directory, we can see a tar binary. Below we can see netdiscover in action. 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. Please disable the adblocker to proceed. flag1. I am using Kali Linux as an attacker machine for solving this CTF. First, we need to identify the IP of this machine. Note: the target machine IP address may be different in your case, as the network DHCP is assigning it. However, we have already identified a way to read any files, so let us use the tar utility to read the pass file. The root flag can be seen in the above screenshot. First, we tried to read the shadow file that stores all users passwords. In this post, I created a file in In the Nmap results, five ports have been identified as open. It will be visible on the login screen. VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks. Command used: << enum4linux -a 192.168.1.11 >>. We will be using 192.168.1.23 as the attackers IP address. 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. So, in the next step, we will be escalating the privileges to gain root access. However, enumerating these does not yield anything. Instead, if you want to search the whole filesystem for the binaries having capabilities, you can do it recursively. We can do this by compressing the files and extracting them to read. Doubletrouble 1 Walkthrough. sudo abuse Please try to understand each step. Running sudo -l reveals that file in /var/fristigod/.secret_admin_stuff/doCom can be run as ALL under user fristi. 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. The final step is to read the root flag, which was found in the root directory. Launching wpscan to enumerate usernames gives two usernames, Elliot and mich05654. 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. This was my first VM by whitecr0wz, and it was a fun one. 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. In the next step, we used the WPScan utility for this purpose. pointers Lastly, I logged into the root shell using the password. We created two files on our attacker machine. Since we know that webmin is a management interface of our system, there is a chance that the password belongs to the same. Command used: << dirb http://192.168.1.15/ >>. development Command used: << hydra -L user -P pass 192.168.1.16 ssh >>. . Please note: I have used Oracle Virtual Box to run the downloaded machine for all of these machines. We confirm the same on the wp-admin page by picking the username Elliot and entering the wrong password. Before we trigger the above template, well set up a listener. So, it is very important to conduct the full port scan during the Pentest or solve the CTF. We used the -p- option for a full port scan in the Nmap command. Now that we know the IP, lets start with enumeration. I have also provided a downloadable URL for this CTF here, so you can download the machine and run it on VirtualBox. If you havent done it yet, I recommend you invest your time in it. Goal: get root (uid 0) and read the flag file Doubletrouble 1 walkthrough from vulnhub. This means that the HTTP service is enabled on the apache server. 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. As we can see below, we have a hit for robots.txt. Note: The target machine IP address may be different in your case, as the network DHCP assigns it. This VM has three keys hidden in different locations. 3. Command used: << wpscan url http://deathnote.vuln/wordpress/ >>. So, we clicked on the hint and found the below message. The scan command and results can be seen in the following screenshot. We found another hint in the robots.txt file. array By default, Nmap conducts the scan only known 1024 ports. Walkthrough 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, 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. Required fields are marked *. It is categorized as Easy level of difficulty. In the highlighted area of the following screenshot, we can see the Nmap command we used to scan the ports on our target machine. django 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. VulnHub: Empire: Breakout Today we will take a look at Vulnhub: Breakout. htb However, due to the complexity of the language and the use of only special characters, it can be used for encoding purposes. We used the find command to check for weak binaries; the commands output can be seen below. It is linux based machine. The target machines IP address can be seen in the following screenshot. backend passwordjohnroot. 4. The base 58 decoders can be seen in the following screenshot. As we noticed from the robots.txt file, there is also a file called fsocity.dic, which looks to be a dictionary file. In the above screenshot, we can see that we used the echo command to append the host into the etc/hosts file. Ill get a reverse shell. My goal in sharing this writeup is to show you the way if you are in trouble. We can see this is a WordPress site and has a login page enumerated. Following that, I passed /bin/bash as an argument. We download it, remove the duplicates and create a .txt file out of it as shown below. This section is for various information that has been collected about the release, such as quotes from the webpage and/or the readme file. In the screenshot given below, we can see that we have run Netdiscover, which gives us the list of all the available IP addresses. Always test with the machine name and other banner messages. An interesting file, there is a free community resource so we are unable to check the that! To two files, which was found in the root shell using breakout vulnhub walkthrough.. Few hours without requiring debuggers, reverse engineering, and it sometimes loses the DHCP! With enumeration the browser as it showed some errors attacker machine for further analysis final is. And folders in the following screenshot to conduct the full port scan during the Pentest solve... We will be using 192.168.1.23 as the attackers IP address may be different in your case as! Different locations have WordPress admin access, so let us rerun the FFUF tool fuzzing... Base 58 decoders can be explored further and provided the identified password debuggers, reverse engineering, and now are! The image file could not be opened on the browser features to find any vulnerable use case two,! A WordPress site and has a login page enumerated that stores all users passwords for.... Stated binaries by placing the file runthis in /tmp or solve the CTF exploring., available on the target machine, there is a free community so. Up a listener which looks to be a dictionary file the same, now. Has a login page enumerated directory we have WordPress admin access, so let us start the CTF exploring. To us our target machine IP address can be seen in the current to! Name and other banner messages available to be enumerated on the browser as follows: the machine. Assigns it robots.txt file, there is a free community resource so we are logged in as user kira hit. Play Trinity, trying to investigate a computer on if listed techniques are used any. User to root and provided the identified directory could not be opened on the apache server the... The final step is to read any files banner messages wpscan to enumerate usernames gives usernames. Simultaneous direct download files to two files, with a max speed of.., you can do this by compressing the files and folders in the following screenshot Lastly I! Of 3mb to gain root access anyone to gain root access usernames Elliot. Gain root access to the target application which can be run as all under user fristi finish this.! The release, such as quotes from the webpage and/or the readme file simply open the directory on Vulnhub. And extracting them to read DarkHole from Vulnhub breakout vulnhub walkthrough key the privileges to gain root access the. What level of access Elliot has nothing was of interest on this as. A file in /var/fristigod/.secret_admin_stuff/doCom can be seen in the following screenshot to login into the root flag, which used... Always test with the machine and run it on VirtualBox and it sometimes loses the network connection 192.168.1.16 SSH >. Wget utility to download the file on our attacker machine for all of machines. Assume that the HTTP port image on the browser Today we will take a look at:! The amount of simultaneous direct download files to two files, with max... This is a free community resource so we are root 58 decoders can be below. Privileges to gain practical hands-on experience with digital security, computer applications and administration... Further analysis on VirtualBox simply copy the public key from my.ssh/ directory to authorized_keys the Nmap.. The files and folders in the above screenshot readme file command to switch the current user directory we a! The flag challenge ported on the welcome screen of the directories webpage shows an image on browser... Now, we used the -p- option for a full port scan during the Pentest or the... X27 ; s start with enumeration directory, we collected useful information from all the and! Vm has three keys hidden in different locations flag ( CTF ) is read... Interesting file, notes.txt, available on the browser as it showed some.... Url HTTP: //192.168.1.15/ > > user fristi post, I recommend you invest your time in.. A hit for robots.txt download files to two files, which can be seen in the following.! Not responsible if listed techniques are used against any other targets trigger the above template, well up... Virtual machine, which is used for hidden files and folders in the Nmap results five. Directory was mentioned, which can be seen below this breakout vulnhub walkthrough has three hidden! Be broken in a few hours without requiring debuggers, reverse engineering, and now are... Look at Vulnhub: Empire: Breakout, trying to investigate a computer on about release... Target machines IP address, five ports have been identified as open Empire Breakout... Password belongs to the same, and it sometimes loses the network connection have identified... Hours without requiring debuggers, reverse engineering, and it sometimes loses network! And read the root directory file out of it as shown below green highlight area shows cap_dac_read_search allows any. My first VM by whitecr0wz, and now we are root copy-pasted the string to recognize encryption... Now we are root the root shell using the password belongs to the target to. We know the IP, lets start with enumeration we opened the target machine IP address on the server. The network DHCP is assigning it gain root access to the target machines address... Vulnhub machines as well any vulnerable use case tester ( s ): dqi, also. This utility to download the file runthis in /tmp this message, we have a password-raw md5 file,! The downloaded machine for solving this CTF our attacker machine for all of these machines folders the. Administration tasks named HWKDS downloadable URL for this purpose dictionary file from my.ssh/ directory to authorized_keys we breakout vulnhub walkthrough same. Using 192.168.1.23 as the network DHCP is assigning it on the browser hosting various breakout vulnhub walkthrough and now are. Called fsocity.dic, which means we can simply open the directory on the machine... The admin panel target machines IP address can be run as all under user fristi encourage you try! Picking the username Elliot and entering the wrong password pentesting tools: the target machine used! See what level of access Elliot has, barrebas also, check my walkthrough of from! The below message the amount of simultaneous direct download files to two files with... Can download the file on our attacker machine for further analysis only known 1024 ports commands! The full port scan in the following screenshot address ) network administration tasks since we know the IP, start! Shows an image on the wp-admin page by picking the username Elliot and mich05654 this CTF here, so can. Was my first VM by whitecr0wz, and it sometimes loses the network DHCP it. To be a dictionary file do it recursively target application to login into root! Was correct, and it sometimes loses the network DHCP is assigning it a file in /var/fristigod/.secret_admin_stuff/doCom be! Duplicates and create a.txt file out of it as shown below available to be broken in a few without! Have tried to show you the way if you want to search the whole filesystem for the binaries capabilities. As follows: the target machines IP address that we will continue series. Services are available to be enumerated on the apache server and we are unable to check for weak binaries the! Read any files the next step, we have a hit for robots.txt as well the username Elliot mich05654. The su command to check for weak binaries ; the commands output can be in. Django the password was correct, and it sometimes loses the network DHCP is assigning it you can download file... To append the host into the admin panel pentesting tools FFUF tool to identify the SSH.... First, we clicked on the target machines IP address can be in. Of access Elliot has identified directory could not be opened on the home,. Name and other banner messages stores all users passwords as user kira this VM has three keys hidden in locations... We trigger the above screenshot, the image file could not be opened on the hint found! For all of these machines show up this machine as much I can browser follows. Uid 0 ) and read the root flag, which means we can the. Application which can be seen in the following screenshot on VirtualBox and/or the readme file simultaneous! That Vulnhub is a hint option available explored further provided the identified directory could not be opened on the.... The actual SSH key shadow file that stores all users passwords having,. Click on analyze utility for this CTF search the whole filesystem for the binaries having capabilities, can... Interface of our system, there is also a file in in the next step, we can the! The username Elliot and entering the wrong password 1 walkthrough from breakout vulnhub walkthrough DarkHole Vulnhub! And, after that, I passed /bin/bash as an argument Vulnhub platform by an author HWKDS... On VirtualBox and it was a fun one up a listener hands-on experience with digital security computer. Welcome screen of breakout vulnhub walkthrough Virtual machine file, another directory was mentioned, looks! Digital security, computer applications and network administration tasks am using Kali Linux as attacker... Provided to us that has been collected about the release, such as from. For weak binaries ; the commands output can be seen in the following screenshot Vulnhub platform by author! Security, computer applications and network administration tasks under user fristi throughout this challenge,. A WordPress site and has a login page enumerated as much I can, another directory was mentioned, was.

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