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Operation: Midnight Cipher
“We have gained access to a terminal at a criminal’s desk and need to access the laptop. However, there is no trace of a key anywhere; we only found a single string. Use that to figure out what the password might be. The system’s kernel is locked behind a cryptic challenge that defies all standard bypass protocols. Every failed attempt triggers a self-destruct sequence, leaving this lone string as our only hope to crack the encryption.”
- CATEGORY: Cryptography
- DIFFICULTY: level 1
- ESTIMATED TIME: 30 MIN
- Task: Identify the encryption and recover the original string.
- Format:
FLAG{...}
// DATA_DUMP_STREAM_ID_9921
12 18 15 13 2f 0c 64 06 0b 65 61 0b 1a 1b 00 0b 07 67 17 01 06 67 29
Note
This challenge is designed to be solved through proper investigation—bypassing the process defeats its educational intent.
