Category: Forensics
Points: 100
Author: Yahaya Meddy
You’re given a seemingly ordinary JPG image. Something is tucked away out of sight inside the file. Your task is to discover the hidden payload and extract the flag. Download the jpg image here.
Download the jpg image and read its metadata
Nous allons faire ce que suggère l'indice en utilisant exiftool.
The value of Comment attracts our attention. This is a base64 encoded string.
Decoded string: steghide:cEF6endvcmQ=. cEF6endvcmQ= is also in base64
Decoded string: pAzzword
Let's use steghide with the passphrase we obtained.
Let's read the contents of the extracted file:
GG!