Kinoco HackerHands-on security practice
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ProgrammingLevel 4150 points

Binary Repair - Firmware Header and CRC32

Mission

Repair firmware.bin by writing KINO at bytes 0-3 and the little-endian CRC32 of bytes 12+ at bytes 8-11. Submit the repaired file to challenge.py to print the startup-injected FLAG.

#programming#python#binary#crc32

Clear it in 3 steps

Not started

  1. Start the environment

  2. Investigate the target

    Available after the environment starts

  3. Submit the flag