HSCTF_2017: Basic Bucketfill

Category: Forensics Points: 100 Description:

Keith is in a contest with another colleague, to see who can find the hidden message in the picture. However, they're only allowed to use the most basic editing tools! Can you find out the secret message?

Write-up

We are given a horrible MS Paint job

Original

If we tweak the colours a bit, we get something more legible

Fixed

Therefore, the flag is HHA8.