# run the binary and capture the flag ./debrideur "$FIXED" 2>/dev/null | grep -i flag Running this script prints:
# rebuild CRC python3 - <<PY import binascii, sys data = open("$FILE", "rb").read() crc = binascii.crc32(data[0x10:]) & 0xffffffff new = data[:0x08] + crc.to_bytes(4, 'little') + data[0x0c:] open("$FIXED", "wb").write(new) print(f"[*] Fixed CRC = 0xcrc:08x") PY
The key table is:
Debrideur Fileice.net May 2026
# run the binary and capture the flag ./debrideur "$FIXED" 2>/dev/null | grep -i flag Running this script prints:
# rebuild CRC python3 - <<PY import binascii, sys data = open("$FILE", "rb").read() crc = binascii.crc32(data[0x10:]) & 0xffffffff new = data[:0x08] + crc.to_bytes(4, 'little') + data[0x0c:] open("$FIXED", "wb").write(new) print(f"[*] Fixed CRC = 0xcrc:08x") PY Debrideur fileice.net
The key table is: