Jigglypuff's Secret Set

Jigglypuff's Secret Set — Solution

#Step 1 — Extract Hidden Data

We first inspect the image using zsteg:

zsteg chall1.png

This reveals the hidden string:

=D2AtHwAtVmAtLzAtZwAtHzAtHwAtV2AtHzAtLzAtDzAtHwAtVzAtZwAtRwAttwA

#Step 2 — Identify the Encoding Layers and Reverse the Operations

The challenge used multiple encoding operations in CyberChef:

1. To Hex
2. To Base64
3. Reverse
4. ROT13