$ ctf42

#lsb-steganography CTF challenges

4 CTF challenges using lsb-steganography from 3 CTFs (2023–2026), 4 with writeups. Mostly Misc (75%) and Forensics (25%).

Misc · 3 Forensics · 1

Often combined with

#steghide 1

Challenges

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Challenge CTF Weight Category Has
Least_Significant_Color
#lsb-steganography
 BlueHens 2023 24.61 Misc files wu 2
Big_JPG
#lsb-steganography#steghide
 BlueHens 2023 24.61 Misc files wu 1
Last_Standing_Bacaro
#lsb-steganography
 Bhackari 2026 – Misc files wu 1
World_Cup_1
#lsb-steganography
 LYKNCTF 2026 – Forensics files wu 1