Mastering RED Image Steganography | picoCTF 2025 Walkthrough & Tips π
Learn how to solve the RED image steganography challenge from picoCTF 2025. This step-by-step walkthrough explains the vulnerability and reveals how to find the hidden flag. Perfect for cybersecurity enthusiasts!

Black Bat Terminal
672 views β’ May 8, 2025

About this video
In this video, I walk through "RED" image steganography challenge from picoCTF 2025, explaining the vulnerability and how to retrieve the flag.
π Useful Links:
PicoCTF: https://picoctf.org/
zsteg: https://github.com/zed-0xff/zsteg
π Don't forget to like, subscribe, and comment if you found this helpful!
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)
π Useful Links:
PicoCTF: https://picoctf.org/
zsteg: https://github.com/zed-0xff/zsteg
π Don't forget to like, subscribe, and comment if you found this helpful!
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)
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Video Information
Views
672
Likes
20
Duration
2:20
Published
May 8, 2025
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