Stenography
Stegseek
Stegseek is a simple and effective way to find steganography in most common file formats
stegseek --crack hackerman.jpeg ~/Documents/Security/wordlists/rockyou.txt
StegSeek 0.6 - https://github.com/RickdeJager/StegSeek
[i] Found passphrase: "budapest07"
[i] Original filename: "flag.txt".
[i] Extracting to "hackerman.jpeg.out".