Complex.bin — _top_

>>> import zlib >>> out = zlib.decompress(data) >>> out.find(b"FLAG{") 42 >>> print(out[42:42+30]) b'FLAGc0mpl3x_b1n4ry_f0rm4t' Save as parse_complex.py :

# Assume header at idx magic, version, crc, d_off, d_len = struct.unpack("<IIIII", raw[idx:idx+20]) print(f"Magic: magic:#x, Version: version:#x") print(f"Data offset: d_off, Length: d_len") complex.bin

dd if=complex.bin of=payload.bin bs=1 skip=64 count=1024 Assume complex.bin has the following layout (common pattern): &gt;&gt;&gt; import zlib &gt;&gt;&gt; out = zlib

# Heuristic: try to find 'COMP' magic idx = raw.find(b'COMP') if idx == -1: print("No COMP magic found. Assuming raw payload.") return raw import zlib &gt