Download the disk image and use 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. Access checker program: nc saturn.picoctf.net 53218

Can you abuse the oracle? An attacker was able to intercept communications between a bank and a fintech company. They managed to get the message (ciphertext) and the password that was used to encrypt the message.

This file has a flag in plain sight (aka "in-the-clear").

Try here to find the flag

This file contains more than it seems. Get the flag from garden.jpg.

Sometimes you need to handle process data outside of a file. Can you find a way to keep the output from this program and search for the flag? Connect to fickle-tempest.picoctf.net 57841.

Practice the skills you have learned in the Network Security module.

Can you crack the password to get the flag? Download the password checker here and you'll need the encrypted flag and the hash in the same directory too. Here's a dictionary with all possible passwords based on the password conventions we've seen so far.

In RSA, a small e value can be problematic, but what about N? Can you decrypt this?

Use srch_strings from the sleuthkit and some terminal-fu to find a flag in this disk image.