33 lines
784 B
Python
Executable File
33 lines
784 B
Python
Executable File
#!/usr/bin/env python3
|
|
from pwn import *
|
|
import matplotlib.pyplot as plt
|
|
|
|
address = "saturn.picoctf.net"
|
|
port = 63821
|
|
|
|
def fetch_data(message):
|
|
conn = remote(address, port, level="warn")
|
|
conn.recvuntil(b"hex: ")
|
|
conn.sendline(message)
|
|
conn.recvuntil(b"[")
|
|
list_string = conn.recvuntil(b"]", drop=True)
|
|
conn.close()
|
|
return [int(s.strip()) for s in list_string.split(b',')]
|
|
|
|
data_array = []
|
|
P = log.progress("fetching timing data")
|
|
for i in range(16):
|
|
P.status(f"{i+1}/16")
|
|
data_array.append(fetch_data(b"00112233445566778899aabbccddeeff"))
|
|
P.success("16/16 all data fetched")
|
|
|
|
data = [0]*len(data_array[0])
|
|
for i in range(len(data_array)):
|
|
slice = data_array[i]
|
|
for j, n in enumerate(slice):
|
|
data[j] += n
|
|
|
|
plt.plot(data)
|
|
plt.show()
|
|
|