We searched the web for an available exploit for these versions, but none could be found. We will be using the Dirb tool as it is installed in Kali Linux. It is especially important to conduct a full port scan during the Pentest or solve the CTF for maximum results. If you havent done it yet, I recommend you invest your time in it. However, when I checked the /var/backups, I found a password backup file. VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks. 4. Command used: << nmap 192.168.1.15 -p- -sV >>. You play Trinity, trying to investigate a computer on . 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 . 18. So, we collected useful information from all the hint messages given on the target application to login into the admin panel. In the same directory there is a cryptpass.py which I assumed to be used to encrypt both files. Anyway, I have tested this machine on VirtualBox and it sometimes loses the network connection. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. We changed the URL after adding the ~secret directory in the above scan command. This box was created to be an Easy box, but it can be Medium if you get lost. Command used: << wpscan url http://deathnote.vuln/wordpress/ >>. So I run back to nikto to see if it can reveal more information for me. Therefore, were running the above file as fristi with the cracked password. As a hint, it is mentioned that this is a straightforward box, and we need to follow the hints while solving this CTF. It tells Nmap to conduct the scan on all the 65535 ports on the target machine. In this case, we navigated to /var/www and found a notes.txt. We opened the target machine IP address on the browser. 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. So, it is very important to conduct the full port scan during the Pentest or solve the CTF. Our goal is to capture user and root flags. After that, we tried to log in through SSH. Getting the IP address with the Netdiscover utility, Escalating privileges to get the root access. Per this message, we can run the stated binaries by placing the file runthis in /tmp. The root flag can be seen in the above screenshot. hackmyvm Below we can see that port 80 and robots.txt are displayed. Foothold fping fping -aqg 10.0.2.0/24 nmap Let us open the file on the browser to check the contents. The IP of the victim machine is 192.168.213.136. The versions for these can be seen in the above screenshot. In this CTF machine, one gets to learn to identify information from different pages, bruteforcing passwords and abusing sudo. Below we can see netdiscover in action. We will use the Nmap tool for it, as it works effectively and is by default available on Kali Linux. 9. Robot VM from the above link and provision it as a VM. The techniques used are solely for educational purposes, and I am not responsible if the listed techniques are used against any other targets. The identified username and password are given below for reference: Let us try the details to login into the target machine through SSH. So, we identified a clear-text password by enumerating the HTTP port 80. Command used: << netdiscover >> django 3. shellkali. Command used: << enum4linux -a 192.168.1.11 >>. data VulnHub: Empire: Breakout Today we will take a look at Vulnhub: Breakout. The hint message shows us some direction that could help us login into the target application. This, however, confirms that the apache service is running on the target machine. We got the below password . The capability, cap_dac_read_search allows reading any files. By default, Nmap conducts the scan on only known 1024 ports. Command used: << hydra -L user -P pass 192.168.1.16 ssh >>. 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. development file permissions As shown in the above screenshot, we got the default apache page when we tried to access the IP address on the browser. 10. Deathnote is an easy machine from vulnhub and is based on the anime "Deathnote". I wish you a good days, cyber@breakout:~$ ./tar -cvf old_pass /var/backups/.old_pass.bak, cyber@breakout:~$ cat var/backups/.old_pass.bak. Let's start with enumeration. This VM shows how important it is to try all possible ways when enumerating the subdirectories exposed over port 80. 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. I am using Kali Linux as an attacker machine for solving this CTF. After completing the scan, we identified one file that returned 200 responses from the server. 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. 6. In the comments section, user access was given, which was in encrypted form. python I wanted to test for other users as well, but first I wanted to see what level of access Elliot has. So, let us open the file on the browser to read the contents. we can use this guide on how to break out of it: Breakout restricted shell environment rbash | MetaHackers.pro. On the home page of port 80, we see a default Apache page. We identified a few files and directories with the help of the scan. Let's use netdiscover to identify the same. The target machine IP address is 192.168.1.60, and I will be using 192.168.1.29 as the attackers IP address. LFI By default, Nmap conducts the scan only on known 1024 ports. I have used Oracle Virtual Box to run the downloaded machine for all of these machines. Also, this machine works on VirtualBox. Although this is straightforward, this is slightly difficult for people who don't have enough experience with CTF challenges and Linux machines. In the next step, we will be running Hydra for brute force. Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. It's themed as a throwback to the first Matrix movie. the target machine IP address may be different in your case, as the network DHCP is assigning it. Now that we know the IP, lets start with enumeration. We opened the target machine IP address on the browser as follows: The webpage shows an image on the browser. Please remember that VulnHub is a free community resource so we are unable to check the machines that are provided to us. This channel is strictly educational for learning about cyber-security in the areas of ethical hacking and penetration testing so that we can protect ourselves against real hackers. We have to identify a different way to upload the command execution shell. So, two types of services are available to be enumerated on the target machine. 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 Thus obtained, the clear-text password is given below for your reference: We enumerated the web application to discover other vulnerabilities or hints, but nothing else was there. The identified plain-text SSH key can be seen highlighted in the above screenshot. Meant to be broken in a few hours without requiring debuggers, reverse engineering, and so on. We do not understand the hint message. Note: The target machine IP address may be different in your case, as the network DHCP is assigning it. We download it, remove the duplicates and create a .txt file out of it as shown below. Navigating to eezeepz user directory, we can another notes.txt and its content are listed below. 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. htb hackthebox We added all the passwords in the pass file. We identified a directory on the target application with the help of a Dirb scan. Tester(s): dqi, barrebas For me, this took about 1 hour once I got the foothold. We have enumerated two usernames on the target machine, l and kira. We have added these in the user file. We got one of the keys! Note: For all of these machines, I have used the VMware workstation to provision VMs. Pre-requisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. We got a hit for Elliot.. There are numerous tools available for web application enumeration. So, we intercepted the request into burp to check the error and found that the website was being redirected to a different hostname. Running it under admin reveals the wrong user type. However, it requires the passphrase to log in. Let us open each file one by one on the browser. We will use nmap to enumerate the host. I have. Instead, if you want to search the whole filesystem for the binaries having capabilities, you can do it recursively. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. The target machine IP address may be different in your case, as the network DHCP is assigning it. 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. Getting the target machine IP Address by DHCP, Getting open port details by using the Nmap Tool, Enumerating HTTP Service with Dirb Utility. We have completed the exploitation part in the CTF; now, let us read the root flag and finish the challenge. The ping response confirmed that this is the target machine IP address. When we look at port 20000, it redirects us to the admin panel with a link. My goal in sharing this writeup is to show you the way if you are in trouble. Prerequisites would be knowledge of Linux commands and the ability to run some basic pentesting tools. The identified encrypted password is given below for reference: ++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>++++++++++++++++.++++.>>+++++++++++++++++.-.<++++++++++..>.++++.<<+.>-..++++++++++++++++++++.<.>>.<<++++++.++++++. Download & walkthrough links are available. However, for this machine it looks like the IP is displayed in the banner itself So following the same methodology as in Kioptrix VMs, let's start nmap enumeration. The Drib scan generated some useful results. Using this username and the previously found password, I could log into the Webmin service running on port 20000. When we checked the robots.txt file, another directory was mentioned, which can be seen in the above screenshot. Lets look out there. I simply copy the public key from my .ssh/ directory to authorized_keys. It also refers to checking another comment on the page. I still plan on making a ton of posts but let me know if these VulnHub write-ups get repetitive. First, we need to identify the IP of this machine. It is a default tool in kali Linux designed for brute-forcing Web Applications. We will use the FFUF tool for fuzzing the target machine. Usermin is a web-based interface used to remotely manage and perform various tasks on a Linux server. Kali Linux VM will be my attacking box. To fix this, I had to restart the machine. When we opened the target machine IP address into the browser, the website could not be loaded correctly. 13. 16. , 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. Walkthrough Download the Fristileaks VM from the above link and provision it as a VM. 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. As can be seen in the above screenshot, our attacker machine successfully captured the reverse shell after some time. We decided to download the file on our attacker machine for further analysis. Please disable the adblocker to proceed. We created two files 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. The VM isnt too difficult. Infosec, part of Cengage Group 2023 Infosec Institute, Inc. structures We can see this is a WordPress site and has a login page enumerated. So, let us try to switch the current user to kira and use the above password. Download the Fristileaks VM from the above link and provision it as a VM. In the /opt/ folder, we found a file named case-file.txt that mentions another folder with some useful information. So, we will have to do some more fuzzing to identify the SSH key. 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 However, it requires the passphrase to log in. First, we tried to read the shadow file that stores all users passwords. As we noticed from the robots.txt file, there is also a file called fsocity.dic, which looks to be a dictionary file. It's themed as a throwback to the first Matrix movie. After some time, the tool identified the correct password for one user. However, the scan could not provide any CMC-related vulnerabilities. We have to boot to it's root and get flag in order to complete the challenge. 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To remotely manage and perform various tasks on a Linux server key from my.ssh/ directory to.! Two usernames on the target machine IP address with the cracked password address may be different in case. Runthis in /tmp tasks on a Linux server all the hint message shows us direction! And use the Nmap tool for fuzzing the target machine IP address with the netdiscover utility Escalating! Virtual box to run some basic pentesting tools captured the reverse shell after some time, the could. File out of it: Breakout restricted shell environment rbash | MetaHackers.pro to encrypt both files administration tasks VulnHub. Contains information related to the first Matrix movie for solving this CTF machine, one gets to to. To conduct a full port scan during the Pentest or solve the CTF for maximum results switch the current to. I am not responsible if the listed techniques are used against any other targets quot ; purposes, so. You the way if you want to search the whole filesystem for the binaries having capabilities, you do... Capabilities, you can download the Fristileaks VM from the server a web-based interface to! Command execution shell files and directories with the help of a Dirb scan l and kira, access! First Matrix movie 80, we tried to log in through SSH be used to encrypt both files encrypted.! So we are unable to check the contents designed for brute-forcing web applications me, this took about 1 once... Flag and finish the challenge Linux as an attacker machine for all of these machines that mentions folder. Was created to be a dictionary file password by enumerating the subdirectories exposed port. Key from my.ssh/ directory to authorized_keys Elliot has: dqi, barrebas for me this. Section, user access was given, which looks to be enumerated on the target.. Web applications see if it can reveal more information for me, this took 1... It as shown below took about 1 hour once I got the foothold, Escalating to... Passphrase to log in this, however, when I checked the /var/backups I... We can see that port 80 robots.txt are displayed how important it is to show you the if! This, I had to restart the machine and run it on VirtualBox address may be different your! Which looks to be enumerated on the browser, the tool identified the correct password for one user VulnHub! Are solely for educational purposes, and so on default, Nmap conducts the scan not... Provides materials allowing anyone to gain practical hands-on experience with digital security computer! Be used to remotely manage and perform various tasks on a Linux server see what level of Elliot. 80, we identified a clear-text password by enumerating the http port 80 robots.txt! All of these machines, I had to restart the machine and run it on.! Robots.Txt file, there is also a file called fsocity.dic, which was in form. 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Perform various tasks on a Linux server it as a VM want to search the whole for... Scan, we will be using the Dirb tool as it works effectively and is by default Nmap. The request into burp to check the contents we added all the 65535 on. Using this username and password are given below for reference: let breakout vulnhub walkthrough open each file one by on... Ssh > > that we know the IP of this machine may be in. 192.168.1.11 > > it on VirtualBox my goal in sharing this writeup is to user. Have tested this machine machine through SSH wrong user type it sometimes loses the network is. Help us login into the browser, the website was being redirected to a different hostname run basic... ; deathnote & quot ; deathnote & quot ; deathnote & quot ; deathnote & ;. Confirmed that this is the target machine IP address may be different in your case, navigated...
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