ai_lock

Smartest lock in the world! Now powered with AI and Arduino!

Helpful resources

• https://ctf.harrisongreen.me/2020/midnightsunctf/avr/
• https://blog.attify.com/flare-4-ctf-write-part-4/

Solution

In order to solve the challenge, figure out the employee pin through initial check.

Then discover the hidden commands PREDICT/PARAMSET to manipulate the simple neuron.

Set the model to generate the required key (which can be discovered by reversing the first check near congrats).

Use exploit.txt to set the commands and get the flag!