$ cat writeup.md…
$ cat writeup.md…
hackerlab
Task: a text file with visible Russian text hides invisible zero-width Unicode characters (U+200B and U+2063) between lines. Solution: extract the two types of zero-width characters, interpret them as Morse code dashes and dots respectively, decode each line to get CODEBY{REDACTED}.
Permission denied (requires tier.pro)
Sign in with GitHub, Discord, or Google to continue. No email required.
$sign in$ grep --similar