RED Image Steganography | picoCTF 2025 Walkthrough & Explanation

In this video, I walk through "RED" image steganography challenge from picoCTF 2025, explaining the vulnerability and how to retrieve the flag.

📌 Useful Links:

PicoCTF: https://picoctf.org/

zsteg: https://github.com/zed-0xff/zsteg

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Timestamps:
00:00 Intro
00:18 Basic Inspection
00:39 Steganography Explanation
00:55 zsteg command
01:34 LSB (Least Significant Bit)
02:00 Solution (Base64 command)

Видео RED Image Steganography | picoCTF 2025 Walkthrough & Explanation канала Black Bat Terminal