Accueil Writeup for the Huntress 2023 Steganography challenge
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Writeup for the Huntress 2023 Steganography challenge

Land Before Time

Description

This trick is nothing new, you know what to do: iSteg. Look for the tail that’s older than time, this Spike, you shouldn’t climb.

Solution

LSB (Least Significant Bit) is a common way to hide data into images, however, depending on the software used you may obtain different results…

Here, iSteg is mentioned so let’s use it.

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$ java -jar iSteg-v2.01_CLI.jar
iSteg CLI v-2.01
Enter your choice:
        1. Hide a file with Steg
        2. Hide a message with Steg
        3. Extract stuff from Steg
        Enter any things to exit.
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Enter file name with extension:
dinosaurs1.png
Password (Press enter if the steganographic data wasn't encrypted):

Message extraction successful. The text is:

flag{da1e2bf9951c9eb1c33b1d2008064fee}
Cet article est sous licence CC BY 4.0 par l'auteur.