Land Before Time

This trick is nothing new, you know what to do: iSteg. Look for the tail that’s older than time, this Spike, you shouldn’t climb.

Given that the name of the tool is in the description, I downloaded iSteg from GitHub. The quickest way to run the tool is:

java -jar iSteg-v2.01_CLI.jar

From the GUI, select “Reveal file/message and provide the path to the the file. Click “Do It” to be provided with the flag:

flag{da1e2bf9951c9eb1c33b1d2008064fee}