Whangsaff.png -

Specifically designed to detect hidden data in PNG and BMP files.

An online platform that runs multiple forensic tools (zsteg, steghide, outguess) on a single image. whangsaff.png

binwalk whangsaff.png : Checks for appended files or hidden archives. Specifically designed to detect hidden data in PNG

Use ExifTool to look for hidden comments or unusual timestamps. whangsaff.png

If you are currently stuck, try these common forensics/stego tools found in many CTF Writeups :

Start with basic commands to identify the file type. file whangsaff.png : Confirms it is a valid PNG image.

Brief summary of the task provided by the challenge author. Points: (Optional) Point value assigned. 2. Initial Reconnaissance