Simple Steganography

Think the flag is somewhere in there. Would you help me find it? hint-" Steghide Might be Helpfull"

Minions1.jpeg

Let's use the strings utility to extract the strings in the image file.

$ strings Minions1.jpeg | head
JFIF
0Photoshop 3.0
8BIM
myadmin
!1#%)+...
383-7(-.+
&/-/-//-++------------------------+---.-----/------
$3br
%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz

The steghide utility allows users to extract data from image and audio files.

$ steghide extract -sf Minions1.jpeg
Enter passphrase:
wrote extracted data to "raw.txt".
  • We can now use the cat command to view the contents of the extracted file.

$ cat raw.txt
AEMAVABGAGwAZQBhAHIAbgB7AHQAaABpAHMAXwBpAHMAXwBmAHUAbgB9
  • That looks like it is encrypted using Base64. Let's decode it using CyberChef.

Flag

CTFlearn{This_is_fun}

Last updated