Challenge Overview
Download the disk image and use ${\color{orange}mmls}$ on it to find the size of
the Linux partition. Connect to the remote checker service to
check your answer and get the flag.
Note: if you are using the webshell, download and extract the
disk image into /tmp not your home directory.
- Download disk image
- Access checker program: ${\color{orange}nc}$ ${\color{orange}saturn.picoctf.net}$ ${\color{orange}52472}$
Solution
wget https://artifacts.picoctf.net/c/164/disk.img.gz
You first run the mmls command.
mmls disk.img
This gives you all the neccessary information to get the flag. Now just connected with netcat.
nc saturn.picoctf.net 52472
Then it gives the flag.
Flag: picoCTF{mm15_f...}