$ ctf42

#morse-code CTF challenges

7 CTF challenges using morse-code from 6 CTFs (2021–2026), 7 with writeups. Mostly Crypto (71%) and Reverse (29%).

Crypto · 5 Reverse · 2

Often combined with

#steghide 1 #steganography 1 #whitespace-steganography 1 #vigenere 1 #codablock-barcode 1 #strings 1 #xor 1 #bit-rotation 1

Challenges

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Challenge CTF Weight Category Has
SEA_LANGUAGE_1 TFC 2021 – Crypto files wu 3
SEA_LANGUAGE_2 TFC 2021 – Crypto files wu 3
Hide_n_Seek BlueHens 2023 24.61 Crypto files wu 2
Dotty RaRCTF 2021 24.53 Reverse files wu 2
Where_Snakes_Die BxMCTF 2023 – Crypto files wu 1
dotsbedashing VuwCTF 2026 25.00 Reverse files wu 1
HAM_JAM DEADFACE 2023 – Crypto files wu 1