FunBox:1 - Walkthrough [Vulnhub]

Here's my solution for FunBox:1.
The machine can be downloaded from here.

Nmap
Scanning for all TCP ports.
$ nmap -sC -sV -p- 192.168.1.106

 

We find 4 ports open.

Lets map the ip to domain, by editing the file- /etc/hosts.

Enumeration
Browsing the web, checking the source did not reveal any hint but we find that it is built on CMS- Wordpress.

Using wpscan to enumerate all plugins and users.
$ wpscan --url http://funbox.fritz.box/ -e ap,u

No plugins we found, but we find 2 users- admin and joe.

Using hydra to brute force the password for user- joe, on ssh.
$ hydra -l joe -P /usr/share/wordlists/rockyou.txt funbox.fritz.box ssh

We get the password as- 12345.

Getting Access
Accessing SSH.
$ ssh joe@funbox.fritz.box
Password: 12345

 

We see that we are in restricted bash, lets escape it.

Connecting again.
$ ssh joe@funbox.fritz.box -t "bash --noprofile"
Password: 12345

We get a hint in file- mbox

Privilege Escalation
We find a hint in a hidden file- .reminder.sh, under /home/funny directory.

We see that, we have full permission on a hidden file- .backup.sh
We place the bash reverse shell payload in it and on the other hand we start the netcat listener.

We wait for while, and we get the reverse shell.

Root Flag.

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