Skip to content

Latest commit

 

History

History
 
 

FesseMisk

Folders and files

NameName
Last commit message
Last commit date

parent directory

..
README.md
README.md
 
 
hidden01.png
hidden01.png
 
 
hidden02.png
hidden02.png
 
 

README.md

Challenge: Beginner/Hidden out of sight

Category: Steganography

Description

Something must be hidden in the darkness.

Downloads: image.gif

Solution

  1. First we run strings on image.gif to check the metadata.

  2. We are able to see that GIF89a and NETSCAPE2.0 is connected to ImageMagick. Therefore we install ImageMagick.

  3. By converting the gif into all its .png components (total of 7) using the command convert image.gif out.png, we are able to inspect each of the components.

  4. Based on the description "Something must be hidden in the darkness" we first check the black picture.

  5. Running the command identify -verbose image.gif we are able to see that the data stored in the 5th image (the black one from the gif) contains more data than the others. See picture below:

  6. The 8-bit colormap is a place where one can hide information. By using stegsolve we can scroll through the pictures, we find this:

  7. And that there we have the flag

Flag

EPT{DID_YOU_SEE_ME??}