In this box, I had to enumerate the endpoints of a Spring Boot application, steal a user session, and inject a command to get a shell. Learnings. During the directory . 0. Sep 4, 2023 · Nmap scan report for 10. unika). Keep In Mind I am new, and just finished starting point. jar 文件，jd-gui 打开后可以看到 FakeUser. Jan 11, 2024 · And I quickly understood why when I read the following while working through HTB’s Penetration Testing job path: Hack The Box was initially created to give technical professionals a safe place to practice and develop hacking skills and was not ideally suited for beginners starting their IT/Security journeys. Initial foothold: Initial enumeration exposes a web application prone to p Nov 15, 2023 · <Introduction>In this blog post, I will be doing a walkthrough of the HackTheBox CozyHosting vulnerable host. The target IP address is 10. Mar 2, 2024 · Hack The Box Walkthrough - CozyHosting. (Note: you can run this with root privileges to give you the process name as well. Scanned at 2023-09-03 15:24:13 +07 for 786s. nmap PORT STATE SERVICE 80/tcp open http |_http-title: Cozy Hosting - Home No new information here. 1 Host: cozyhosting. On the bottom corner, you will find a small button. Gobuster Mar 10, 2024 · Hey everyone! Welcome back. 02/09/2023. Codify (Easy) 11. Navigating to the domain we found from the nmap scan. At this point it was just a matter of finding the right payload on gtfobins. As seen above, we’ve got a web application Apr 30, 2024 · ┌──(toothless5143@kali)-[~] └─$ echo "10. When we employ the ‘ls’ command to inspect the files, we discover the presence of a . 28s lat Feb 6, 2024 · Cozy hosting isnt resolving for me, I put the ip address in my host file but I keep getting 301 redirects. 94SVN ( https Oct 27, 2023 · Login to the root user on Kali Linux and add cozyhosting. Cybermonday (Hard) 9. I add 10. 032s latency). FootHold: search the only thing that seems odd…. This is a machine that allows you to practise web app hacking and privilege escalation. htb' site. Contribute to 0xCOrS/WriteUps development by creating an account on GitHub. htb" | sudo tee -a /etc/hosts After adding the VHOST to /etc/hosts the web app was accessible to the attacker and it was uncovered that the web app was for hosting projects and was offering different plans. ※以前までのツールの使い方など詳細を書いたものではないのでご了承ください。. Step of exploitation and Lesson Learn Normal directory search not working, so we use springboot specific wordlist from seclist. Then I cracked a hash found in a database and exploited a command I could run through sudo. 230 Scanning sudo nmap -sC -sV -oA nmap/CozyHosting 10. Another possibility is that your device or network is blocking the VPN connection. Work Flow. Sep 4, 2023 · We can add cozyhosting. CozyHosting HTB. And gain Lab Accesss. txt’ in the system. jar file. 230\nHost is up (0. 成功登录。. The machine has a Website with nginx, for this reason has access limited, later u can steal the cookies of an site in actuators/sessions, with the session we can intercept the request to login, later doing using a reverse shell to join like app, next continue scanning all possibilities with linpeas and finally with a file . [ Click Here to learn more about how to connect to vpn and access the boxes. To get started, we’re going to connect using the VPN file and spawn the machine. htb” So we have ports 22 for 初めに. 230. Solution: Ensure you have a stable working network connection and that the . HTB-COZYHOSTING. Moreover, be aware that this is only one of the many ways to solve the challenges. The command itself ( sh 0<&2 1>&2) is invoking a new shell. after some review, found some creds for psql Nov 19, 2023 · Cozyhosting. 10. Enumerating the endpoint leads to the discovery of a user&#039;s session cookie, leading to authenticated access to the main dashboard. It belongs to a series of tutorials that aim to help out complete Oct 29, 2023 · At first, I tried single quote, double quote, backtick, piped to try escape/bypass the whitespace restriction but none of it work. Nmap results. So, we can move to the next step for directory Fuzzing. Highlighted sections are the ones that directly led to advancing access. 9p1 Ubuntu 3ubuntu0. This machine did step me out of my comfort zone and knowledge, it started off as easy but slowly exposed me to new techniques and topics in way that huumbled me and open my eyes that it will only get harder. The '/login' and '/admin' lead to login pages. Click it. 粉丝：1222 文章：26. 115. The cloudhosting-0. I already run the opennvpn. Utilizing simple enumeration techniques, a valid user cookie is exposed enabling an attacker to gain access Its not clear if you are getting a hit on your web server. Website. Start by running the command to verify the Port and Service status as the initial step. lucky i found the password and username postgres:Vg&nvzAQ7XxR Sep 3, 2023 · Owned CozyHosting from Hack The Box! I have just owned machine CozyHosting from Hack The Box. I started by adding the IP to hosts and basic nmap scan: “nmap -sV -vv -T 5 cozyhosting. #linux #ctf. htb Oct 2, 2023 · By passing this SESSID cookie to our browser and then sending a request to the /admin URL, we are able to access the admin panel. org ) at 2023-09-30 22:59 PDT\nNmap scan report for 10. Oct 8, 2022 · One possibility is that the VPN configuration file isn’t compatible with your device or operating system. I’ll find a Spring Boot Actuator path that leaks the session id of a logged in user, and use that to get access to the site. There's a htb academy module covering command injection (not the whitebox one just the standard 100 cube module) and it covers everything you need to know to complete this, I highly recommend! Oct 1, 2023 · CozyHosting is a machine of HTB. Here the screenshot. class 中有一个用户凭据 kanderson:MRdEQuv6~6P9 ，登录一下试试。. 2024/03/02. Tables. HTB Write Ups. By utilizing session hijacking, we achieved unauthorized access to the Admin panel. 230 We have a Linux machine Running a web application on port 80 The SSH service is enabled on the target Starting Nmap 7. This write-up is based on the CozyHosting machine, which is an easy-rated Linux box on HacktheBox. Contribute to ExoHaeck/payloadcozyhosting development by creating an account on GitHub. Based on the findings, it's likely that the initial access will be through a service on port 80, where the Oct 20, 2023 · En primer lugar lanzamos un escaneo a la máquina víctima en busca de puertos abiertos. python3 -m http. If you are then its your payload that is the problem. Now press enter. Sep 17, 2023 · It is not a complete HTB cozyhosting writeup but a guide. Dec 1, 2023 · This is the command that will act as the proxy. Currently I am trying to see if there are any other ports open using all port scans and script scans. nc -l -p 1234 > out. Oct 22, 2023 · A simple ls command shows us that there is a file called ‘user. Although it was an easy box, there were a few pitfalls to avoid. . Shows port 22 and port 80 open. Contribute to GeorgeBacky/HTB-COZYHOSTING development by creating an account on GitHub. Was not here for a while as was engaged into HackTheBox Academy… Contribute to TimotheMaammar/Writeups development by creating an account on GitHub. Used: nmap, gobuster, postgres, sql, john, Introduction. Previous HTB Labs Oct 5, 2023 · Cozyhosting, a Linux-based system hosting a Spring Boot web app, exposed a valid user cookie, allowing us to breach the admin panel which was susceptible to command injection. The NMap scan results reveal open ports 22 and 80. Nov 15, 2023 About 3 mins. 7. The nmap results. The quick gobuster results. So, let’s get started with HTB CozyHosting Sneak Peek. I found that the spring-boot. psql: manages and interacts with PostgreSQL databases. 2023年09月02日 02:55 --浏览 · --点赞 · --评论. Mar 2, 2024 · We tried some default credentials and most common credentials but it didn’t work. 0 by the author. Automating Actuator Testing. For now, the focus is on the web application running on port 80. Receiving. Difficulty: Easy. It is a relatively easy Linux machine that simulates a scenario where an attacker gains access to a web hosting server. It also includes a password-busting challenge and privilege elevation. Please note that no flags are directly provided here. Annotations. Nov 9, 2018 · For future reference, once Responder. 129. Solo con ver el nombre de las rutas, me da a entender que la aplicacion esta usando actuators, basicamente es un modulo de Spring que provee funciones de monitoreo, metricas, y funciones extra para endpoints, una ruta interesante es la de /actuator/sessions, segun la documentacion es: The sessions endpoint provides information about the application’s HTTP sessions that are CozyHosting-HTB. CozyHosting (Easy) 7. Set RHOSTS to the analytics IP, RPORT 80, TARGETURI only to /, and VHOST to data. htb to our /etc/hosts file and take a look at the site. The application has the `Actuator` endpoint enabled. 1. In this case, you may use the best Jan 12, 2023 · I cant connect to the server machine named precious. The machine hosts a website that enables users to host multiple projects using Spring Boot Actuator, which is accessible via an HTTP service. ) You can then allow access to all of these ports from the remote machine (i. ※悪用するのは Dec 3, 2021 · You’ll notice that we were able to regain access to the shell. htb. I’ll pull database creds from the Java Jar file and use them to get the admin’s hash on the website from Sep 4, 2023 · Owned CozyHosting from Hack The Box! I have just owned machine CozyHosting from Hack The Box. Sep 8, 2023 · 从 cozyhosting. \nNot shown: 65533 closed tcp ports (conn-refused)\nPORT STATE SERVICE VERSION\n22/tcp open ssh OpenSSH 8. Im not seeinng version numbers that I can use anywhere. Linux host. htb to my /etc/hosts file. 105. Sep 3, 2023 · Official discussion thread for CozyHosting. 0) 80/tcp open http nginx 1. GCTY-HOK. Oct 15, 2023 · The docker container does not install python and do not have permission to write on /var/www, however nc is installed. After looking around, nothing really seems to be that much interesting. But this DB thing after the reverse shell got to my nerves. The machine is desgined to teest various skills, including web application security, privilege escalation, and lateral movement within a network Sep 19, 2023 · User Flag. After connecting to the vpn service, click on Join Machine to access the machine’s ip. 8 KB. The aim is to find a web vulnerability. To do this, choose your favourite text editor (mine is Vim), open the Sep 24, 2023 · To connect to this type of database, I used the following command: psql -U postgres -W -h localhost -d cozyhosting. Kết quả: dịch vụ đang chạy ssh và http. Sep 8, 2023 · Summary: CozyHosting is an Ubuntu system that is hosting a Spring Boot Web Application. The 'cozyhosting. htb to /etc/hosts; Scanning. CozyHosting is an easy-difficulty Linux machine that features a `Spring Boot` application. sudo nmap 10. but hold a sec, there’s postgres running maybe we can the josh login creds. Now with the usual gobuster scan. Oct 3, 2023 · -d cozyhosting -d：要连接的数据库的名称 ( )，在靶场中为“cozyhosting”。 连接进来他是没有任何提示的 \list: 显示所有现有数据库名称的列表，我们主要感兴趣的是“cozyhosting”数据库。 \c ：用于连接到特定数据库。 \d ：列出数据库表，我们的重点是“users”表。 Jan 10, 2024 · Went on with one, cuz why not? Altough I have learned a lot! I remembered the Proxy part, and the website foothold was without walktrough. -U: specifies the db Mar 2, 2024 · Platform: Hack The Box Link: CozyHosting Level: Easy OS: Linux CozyHosting is an easy Linux machine featuring a Hosting website vulnerable to command injection. while in admin panel, just try to play with parameters, something weird will happen, once there, you gonna find out Sep 2, 2023 · hackthebox CozyHosting 今夜三点启航. In this article we are going to assume the following ip addresses: Local machine (attacker, local host): 10. It is now time to perform privilege escalation and gain access to the root terminal Mar 2, 2024 · “Cozyhosting” was an easy-rated Linux machine, involving the exploitation of a command injection vulnerability to gain shell access as the App user. Long time no see. While we look at the site a bit more, we can spin up some directory enumeration: ENG: With the obtained data we try to find something that gives us an idea of what the site is built with. To fix this you need to add the given ip address of the box to it. As usual, nmap: 22/tcp [SSH] and 80/tcp [HTTP]. Ouija (Insane) 12. Tiếp theo, hỏi chatgpt xem file config của thằng PostgreSQL nó nằm ở đâu trong source code: Nó nằm ở file application. server 8083. yml. Connect to the HTB server by using the OpenVpn configuration file that’s generated by HTB. 本記事は Hack The Box (以下リンク参照) の「 CozyHosting 」にチャレンジした際の WriteUp になります。. ovpn --dev tun0. 230 cozyhosting. When you close this box, you will be able to right click and select ‘paste’. 0 (Ubuntu) 8000/tcp open http-alt? I added the IP in the hosts file in /etc/hosts with the corresponding domain cozyhosting. So I searched for “sudo -> ssh” at gtfobins. GitBook You signed in with another tab or window. At the bottom of the admin panel we see another entry point! Oct 30, 2023 · In this blog, we’re going to work with another HackTheBox machine, CozyHosting. This writeup is meant to give an overview of the challenge’s solution without spoiling too much Feb 27, 2024 · Putting initial nmap scan for cozyhostingNmap scan report for 10. You signed out in another tab or window. Dec 7, 2023 · Dec 7, 2023. txt GitHub link on the HackTricks page is a link to SecLists, which I have installed on my Kali host. jar file leaked the username and password of the PostgreSQL database. Hack The Box, CozyHosting. Fingerprinting and Scanning; Web Enumeration; Session Hijacking; Web Enumeration 2 Sep 15, 2023 · TL:DR. htb Oct 15, 2023 · Once Metasploit is open, search Metabase and use 0. ovpn file's keys are not revoked. Jan 6, 2024 · The CTF “CozyHosting” is an easy-level challenge based on the http protocol. In the following image you can see an example: Jul 10, 2024 · Vậy đã sure rằng PostgreSQL hoạt động. Thực hiện thêm dòng sau vào tệp /etc/hosts. May 4, 2023 · HTB - Preignition - Walkthrough. 96 Jun 6, 2024 · Let’s go. Make sure you’re using a device and operating system that is supported by the VPN service you’re trying to use. all services running we already know them. Nos encontramos con dos puertos abierto el 22 (SSH) y el 80 (HTTP) Select the tun0 interface as the active one for the VPN connection: sudo openvpn --config <username>. Cozyhosting is an easy-rated challenge that emphasizes web testing. htb Content-Length: 125 Cache-Control: To prevent Ctrl+c from interrupting the session, you can do the following (doesn’t work with rlwrap!): CozyHosting is an Ubuntu system hosting a Spring Boot Web Application. 1. ESP: Ya conociendo que utiliza Spring Boot vamos a realizar un fuzzing de directorios… Cozyhosting. Conclusion. Not shown: 56914 closed tcp ports (conn-refused), 8619 filtered tcp May 25, 2021 · Copy the password, open your instance in a new window. If you find this content informative and you are interested in Mar 13, 2024 · Nice! Now, we're getting somewhere. Instant dev environments You signed in with another tab or window. analytical. 16. This will include performing port scanning, service enumeration, session hijacking, OS command injection, hash cracking, and privilege escalation. Mar 2, 2024 · Nmap scan gave out SSH running on port 22, Nginx HTTP web server running on port 80. htb with it’s ip was added in /etc/hosts as seen below: Appended ip and url. htb We can see there are multiple pages in the website and a login page. Note: Before moving on to the next stage, I added the cozyhosting. Log: Description: You're not able to connect to our internal OpenVPN network. 163Host is up (0. py is running you can check the ports it’s listening on with something like: $ ss -tulpn | grep -iE 'port|tun0'. Sử dụng Nmap và kiểm tra các cổng đang mở trên hệ thống. And Find and fix vulnerabilities Codespaces. htb -oN cozyhosting-http. Sep 26, 2023 · Based on bad configurations and unsanitized input. file. Please do not post any spoilers or big hints. Target: Linux Operating System with a web application vulnerability that leads to total system takeover. htb web application. I saw that user josh can use sudo ssh. ┌──(brandy㉿bread-yolk)-[~]\n└─$ nmap -p- -sVC 10. But the IP Address still not working Sep 4, 2023 · Escalation. Indigo6415 September 3, 2023, 12:23pm 41. You should be inside the box now. Web: Let’s add cozyhosting. I ran dirsearch on the URL Sep 16, 2023 · Not shown: 997 closed tcp ports (conn-refused) PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 8. Once there, I’ll find command injection in a admin feature to get a foothold. Oct 10, 2010 · The problem most likely lies within your /etc/hosts file. The application is vulnerable to command injection Oct 10, 2023 · First i list all the databases and select cozyhosting, where i find tables of hosts and users using SELECT statement to print everything from users tables[the command is same as in SQL],and we can find hash for 2 users, kanderson and admin. The site was checked but no hints were found and could not login. Recon. e. Has anyone tried to attempt CozyHosting Box? I have used nmap to find the open ports, tried to use burp on the login for a cluster bomb attack but I think that isnt the right way to do this. However, once identified, using a Spring-specific wordlist for directory busting can uncover exposed Actuator endpoints. 94 scan initiated Mon Sep 11 21:41:19 2023 as: Stories to Help You Level-Up at Work. Surveillance (Medium) [Season III] Windows Boxes [Season IV] Linux Boxes [Season IV] Windows Boxes Oct 10, 2011 · Every HackTheBox challenge begins with an initial NMap scan. 01:25 Web Enumeration03:20 Initial Foothold05:20 Reverse Shell07:00 Linpeas11:20 Writeable Executable Enum13:25 Internal web port14:00 Further Ofbiz enumerat Dec 13, 2023 · Hence, cozyhosting. CozyHosting info. XtechInf February 6, 2024, 11:44pm 2. This post is licensed under CC BY 4. txt. Nhưng nếu muốn có flag thì bạn cần phải có thêm 1 số kỹ năng nhỏ nữa để có thể đạt được. Machine Info; 8. The “CozyHosting” device, designed by “commandercool”, is an accessible level machine primarily concentrating on web application security flaws that allow for obtaining a reverse shell of the system. Jan 11, 2024 · HTB - MonitorsTwo Overview MonitorsTwo is an Easy Difficulty Linux machine showcasing a variety of vulnerabilities and misconfigurations. With the help of ChatGPT, we can use ${IFS} to Nov 15, 2023 · HTB - CozyHosting Writeup. github. Đây rồi, tiến hành login. htb to our /etc/hosts file with the corresponding IP address in order for us to be able to access the domain in our browser. That is our user flag. 230 -p- --min-rate 5000. Now an nmap scan. PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 8. Dont mind giving people hints for this machine, was a tough user for me and needed some guidance. NMAP; Gobuster/DirSearch; Cookie Manager; Burpsuite; John The Ripper; Methods Feb 20, 2024 · Finding the user flag was a piece of cake and escalating to rootwas also not very complicated since I could run ssh as root. Mar 2, 2024 · CozyHosting is a web hosting company with a website running on Java Spring Boot. 其中对用户名和密码的过滤并不够严谨，存在命令注入，遂弹 Dec 23, 2023 · To edit the host file the attacker can use a text editor program such as VI to open the file at /etc/hosts and add an entry for cozyhosting. After login successfully, To escalation to root, I check the permissions of the user with the command “sudo -l”. The aim of this walkthrough is to provide help with the Preignition machine on the Hack The Box website. 0)\n| ssh-hostkey: \n| 256 Mar 7, 2024 · As you can see this is not a normal 404 page, so we search for 10 seconds on google and we know that this website in running springboot which is a java application framework for websites, now a little bit more research about this website and vulnerabilities in it will show you something interesting called “Actuators”: Jan 16, 2024 · Hello fellas, today we are doing CozyHosting, an easy box from hackthebox. user: this one was the hardest for me (hashcat gave me wrong output for no reasons), anyway enumerate services and donwload and analyze stuff u found on machine. We proceed to open a port for downloading the . Tools Used. Also… writing John instead of Josh, and not knowing what the f*ck is the problem for half an hour, I banged my head after realization into the Feb 21, 2024 · Putting initial nmap scan for cozyhostingNmap scan report for 10. I always start with a -sC -sV scan to identify services and current running versions, then go back and run a full port scan with the -p- switch. psql -h localhost -d cozyhosting -U postgres -p 5432 -W. 28s lat Medium Sep 15, 2023 · Easy HTB machine where I exploit a Spring Boot webserver, the admin panel is vulnerable to code injection, which leads to a foothold after which I abuse postgresql to crack a users hash, and then privesc to root. htb:5555 下载到 cloudhosting. htb”. I put the ip address correctly, and everything with the domain “cozyhosting. nc -w 3 [destination] 1234 < out. You switched accounts on another tab or window. 30 > nmap. It’s using a semicolon (;) to separate it from the preceding part of the command. 11. 从 jar 文件中还可以得到一个接口可以进行 ssh 连接. Room: CozyHosting. # Nmap 7. jar file, and then explore its contents to see what’s inside. 0 (Ubuntu) 9000 Dec 11, 2023 · POST /executessh HTTP/1. io. Reload to refresh your session. 93 ( https://nmap. Mar 31, 2024 · At a later point, when we find credentials or a working key, we can come back to this port to get access to this machine. The following command can be used with the specified flags to scan the target IP address: nmap -A -vv 10. I will provide a walkthrough of reconnaissance through post-exploitation. finally! Machine was a bit hard for me. 10. 1918×921 62. And ya, Happy 2k24. sudo nmap -sC -p 80 cozyhosting. Set the LHOST to your IP and LPORT to 4444. 3 (Ubuntu Linux; protocol 2. jar can get password of postgre where Sep 14, 2023 · I love machines. It should have the copied information ‘auto-pasted’. HTB CozyHosting WalkthroughNote: This is a quick walkthrough only meant to expose students to cybersecurity & pentesting, it will seem overwhelming to most, Sep 14, 2023 · Contents. Sending. 230 --min-rate 1000\nStarting Nmap 7. Host is up, received user-set (0. Gaining a foothold can be challenging if you're unfamiliar with Spring Boot. 028s latency). Analytics (Easy) 10. The site has a login page, but we aren’t able to make an account. There’s some difficult connecting with the IP address so let’s add the IP to /etc/hosts and access the cozyhosting. i downloaded the project and run grep on it. properties hoặc application. Now, let’s start with a Nmap Sep 2, 2023 · If anyone can give me some help with getting the shell, I have access to admin page and know the vulnerability but the vulnerability is not displaying the output I am wanting it to and instead constant error messages. htb domain to the /etc/hosts file of my machine. 18. Sep 11, 2023 · When entering the IP, we are redirected to cozyhosting. htb at the mahcines IP address. Then the site was able to be hosted. executeSSH via HTTP POST; How to move forward when gobuster and nmap result with standard wordlist or command are not enough. どうも、クソ雑魚のなんちゃてエンジニアです。. Mar 14, 2024 · Machine info. ts ne ri ys yn eq px tk qv fg