https://app.hackthebox.com/challenges/548

Description

We’ve located the adversary’s location and must now secure access to their Optical Network Terminal to disable their internet connection. Fortunately, we’ve obtained a copy of the device’s firmware, which is suspected to contain hardcoded credentials. Can you extract the password from it?

Exploitation

binwalk -e rootfs
rg 'HTB'

Summary

Photon-Lockdown: decode the captured signal, map the bitstream, and recover the flag.