stegoProeasy
Шепчущий Свиток Клодa (Whispering Scroll of Claude)
caplag
Task: find a hidden message in a UTF-8 text file with suspiciously large file size. Solution: extract zero-width Unicode characters (ZWNJ=0, ZWJ=1) from the text, decode 280 bits as 35 ASCII bytes to reveal the flag.
$ ls tags/ techniques/
zero_width_unicode_steganographybinary_encoding
🔒
Permission denied (requires tier.pro)
Sign in to access full writeups
Sign in with GitHub to continue. No email required.
$sign in$ grep --similar
Similar writeups
- [stego][Pro]Just a Text— spbctf
- [stego][Pro]BoyevoyKlichGPT (Боевой Клич GPT)— caplag
- [crypto][Pro]Одноразовый блокнот (One-Time Pad)— hackerlab
- [crypto][Pro]Кракозябры (Krakozyabry)— hackerlab
- [forensics][Pro]Скрытый след (Hidden Trail)— hackerlab