Intro to Stegano 2 - localo

Category: Stegano
Difficulty: Baby
Author: explo1t

Description

This is an introductory challenge for the almighty steganography challenges. The three stages contain very different variants of hidden information. Find them!

Summery

The author provided a chall.jpg.

Solution

1. Use reverse image search to find original image
2. Use online image diffing tool to get difference link
   
3. Decode the lights on/off in chall.jpg to binary

01000011
01010011
01000011
01000111
01111011
01100001
01011111
01000110
01101100
00110100
01100111
01111101

4. Decode it to ASCII
   CSCG{a_Fl4g}

Mitigation

• use own pictures

Flag

CSCG{a_Fl4g}