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Fixed bug that prevents program from displaying networks while scannn…
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…ing and other issues
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@savio-code
savio-code committed Apr 1, 2021
1 parent 781f914 commit 0da03ab
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158 changes: 48 additions & 110 deletions Fern-Wifi-Cracker/core/fern.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
import sqlite3
import subprocess
from urllib import request
from xml.etree import ElementTree

from core import variables
from PyQt5 import QtCore, QtGui, QtWidgets
Expand All @@ -21,7 +22,7 @@

from gui.main_window import *

__version__ = 3.11
__version__ = 3.12


#
Expand Down Expand Up @@ -686,92 +687,61 @@ def wpa_button_false(self):
###################
def scan_process1_thread(self):
global error_catch
error_catch = variables.exec_command("airodump-ng --write /tmp/fern-log/zfern-wep --output-format csv \
--encrypt wep %s" % (self.monitor_interface)) # FOR WEP
error_catch = variables.exec_command("airodump-ng --write /tmp/fern-log/zfern --output-format netxml \
%s" % (self.monitor_interface)) # FOR WEP

def scan_process1_thread1(self):
global error_catch
error_catch = variables.exec_command("airodump-ng --write /tmp/fern-log/WPA/zfern-wpa --output-format csv \
--encrypt wpa %s" % (self.monitor_interface)) # FOR WPA

###################
def scan_process2_thread(self):
global error_catch
if bool(variables.xterm_setting):
wep_display_mode = 'xterm -T "FERN (WEP SCAN)" -geometry 100 -e' # if True or if xterm contains valid ascii characters
display_mode = 'xterm -T "FERN (SCAN)" -geometry 100 -e' # if True or if xterm contains valid ascii characters
else:
wep_display_mode = ''
display_mode = ''

error_catch = variables.exec_command("%s 'airodump-ng -a --write /tmp/fern-log/zfern-wep --output-format csv\
--encrypt wep %s'" % (wep_display_mode, self.monitor_interface)) # FOR WEP
error_catch = variables.exec_command("%s 'airodump-ng -a --write /tmp/fern-log/zfern --output-format netxml\
%s'" % (display_mode, self.monitor_interface)) # FOR WEP

def scan_process2_thread1(self):
global error_catch
if bool(variables.xterm_setting): # if True or if xterm contains valid ascii characters
wpa_display_mode = 'xterm -T "FERN (WPA SCAN)" -geometry 100 -e'
else:
wpa_display_mode = ''

error_catch = variables.exec_command("%s 'airodump-ng -a --write /tmp/fern-log/WPA/zfern-wpa \
--output-format csv --encrypt wpa %s'" % (
wpa_display_mode, self.monitor_interface)) # FOR WPA

###########################
def scan_process3_thread(self):
global error_catch
error_catch = variables.exec_command("airodump-ng --channel %s --write /tmp/fern-log/zfern-wep \
--output-format csv --encrypt wep %s" % (
variables.static_channel, self.monitor_interface)) # FOR WEP

def scan_process3_thread1(self):
global error_catch
error_catch = variables.exec_command("airodump-ng --channel %s --write /tmp/fern-log/WPA/zfern-wpa \
--output-format csv --encrypt wpa %s" % (
variables.static_channel, self.monitor_interface)) # FOR WPA
error_catch = variables.exec_command("airodump-ng --channel %s --write /tmp/fern-log/zfern \
--output-format netxml %s" % (
variables.static_channel, self.monitor_interface))

#######################
def scan_process4_thread(self):
global error_catch
if bool(variables.xterm_setting):
wep_display_mode = 'xterm -T "FERN (WEP SCAN)" -geometry 100 -e' # if True or if xterm contains valid ascii characters
display_mode = 'xterm -T "FERN (SCAN)" -geometry 100 -e' # if True or if xterm contains valid ascii characters
else:
wep_display_mode = ''
display_mode = ''

error_catch = variables.exec_command("%s 'airodump-ng -a --channel %s --write /tmp/fern-log/zfern-wep \
--output-format csv --encrypt wep %s'" % (
wep_display_mode, variables.static_channel, self.monitor_interface)) # FOR WEP
error_catch = variables.exec_command("%s 'airodump-ng -a --channel %s --write /tmp/fern-log/zfern \
--output-format netxml %s'" % (
display_mode, variables.static_channel, self.monitor_interface))

def scan_process4_thread1(self):
global error_catch
if bool(variables.xterm_setting): # if True or if xterm contains valid ascii characters
wpa_display_mode = 'xterm -T "FERN (WPA SCAN)" -geometry 100 -e'
else:
wpa_display_mode = ''

error_catch = variables.exec_command("%s 'airodump-ng -a --channel %s --write /tmp/fern-log/WPA/zfern-wpa \
--output-format csv --encrypt wpa %s'" % (
wpa_display_mode, variables.static_channel, self.monitor_interface))

def scan_wep(self):
global xterm_setting
variables.exec_command('rm -r /tmp/fern-log/*.csv')
variables.exec_command('rm -r /tmp/fern-log/*.netxml')
variables.exec_command('rm -r /tmp/fern-log/*.cap')
variables.exec_command('rm -r /tmp/fern-log/WPA/*.csv')
variables.exec_command('rm -r /tmp/fern-log/WPA/*.netxml')
variables.exec_command('rm -r /tmp/fern-log/WPA/*.cap')


# Channel desision block
if scan_control == 0:
if not variables.static_channel:
if len(variables.xterm_setting) == 0:
threading.Thread(target=self.scan_process1_thread).start()
threading.Thread(target=self.scan_process1_thread1).start()
else:
threading.Thread(target=self.scan_process2_thread).start()
threading.Thread(target=self.scan_process2_thread1).start()
else:
if len(variables.xterm_setting) == 0:
threading.Thread(target=self.scan_process3_thread).start()
threading.Thread(target=self.scan_process3_thread1).start()
else:
threading.Thread(target=self.scan_process4_thread).start()
threading.Thread(target=self.scan_process4_thread1).start()
Expand All @@ -784,84 +754,52 @@ def scan_wep(self):
try:
time.sleep(2)

wep_access_file = str(reader('/tmp/fern-log/zfern-wep-01.csv')) # WEP access point log file
wpa_access_file = str(reader('/tmp/fern-log/WPA/zfern-wpa-01.csv')) # WPA access point log file
scan_tree = ElementTree.parse('/tmp/fern-log/zfern-01.kismet.netxml').getroot() #

for access_point_info in scan_tree:
ssid_info = access_point_info.find("SSID")
is_essid_hidden = ssid_info.find("essid").attrib['cloaked']

if is_essid_hidden == "false":

# is_beacon = ssid_info.find("type").text == "Beacon"
access_point = ssid_info.find("essid").text
encryption = ssid_info.find("encryption").text

mac_address = access_point_info.find("BSSID").text
channel = access_point_info.find("channel").text
power = access_point_info.find("snr-info").find("last_signal_dbm").text
speed = access_point_info.find("maxseenrate").text

if speed:
speed = "%d" % (int(speed) / 1000)

wep_access_convert = wep_access_file[0:wep_access_file.index('Station MAC')]
wep_access_process = wep_access_convert[wep_access_convert.index('Key'):-1]
wep_access_process1 = wep_access_process.strip('Key\r\n')
process = wep_access_process1.splitlines()
if str(encryption).upper().startswith("WPA"):
if access_point not in wpa_details.keys():
self.wpa_count += 1
wpa_details[access_point] = [mac_address, channel, speed, power]

# Display number of WEP access points detected
wep_devices = 0;
for line in wpa_access_file.splitlines():
if "WEP" in line:
wep_devices += 1
if str(encryption).upper().startswith("WEP"):
if access_point not in wep_details.keys():
self.wep_count += 1
wep_details[access_point] = [mac_address, channel, speed, power]

self.wep_count = str(wep_devices) # number of access points wep detected

if int(self.wep_count) > 0:
self.wep_number_changed_signal.emit()
self.wep_button_true_signal.emit()
else:
self.wep_button_false_signal.emit()

for iterate in range(len(process)):
detail_process1 = process[iterate]
wep_access = detail_process1.split(',')

mac_address = wep_access[0].strip(' ') # Mac address
channel = wep_access[3].strip(' ') # Channel
speed = wep_access[4].strip(' ') # Speed
power = wep_access[8].strip(' ') # Power
access_point = wep_access[13].strip(' ') # Access point Name

if access_point not in wep_details.keys():
wep_details[access_point] = [mac_address, channel, speed, power]

# WPA Access point sort starts here

# Display number of WEP access points detected
self.wpa_count = str(wpa_access_file.count('WPA')) # number of access points wep detected

wpa_devices = 0;
for line in wpa_access_file.splitlines():
if "WPA" in line or "WPA2" in line:
wpa_devices += 1

self.wpa_count = str(wpa_devices)


if int(self.wpa_count) == 0:
self.wpa_button_false_signal.emit()
elif int(self.wpa_count) >= 1:
if int(self.wpa_count) > 0:
self.wpa_button_true_signal.emit()
self.wpa_number_changed_signal.emit()
else:
self.wpa_button_false_signal.emit()

wpa_access_convert = wpa_access_file[0:wpa_access_file.index('Station MAC')]
wpa_access_process = wpa_access_convert[wpa_access_convert.index('Key'):-1]
wpa_access_process1 = wpa_access_process.strip('Key\r\n')
process = wpa_access_process1.splitlines()

for iterate in range(len(process)):
detail_process1 = process[iterate]
wpa_access = detail_process1.split(',')

mac_address = wpa_access[0].strip(' ') # Mac address
channel = wpa_access[3].strip(' ') # Channel
speed = wpa_access[4].strip(' ') # Speed
power = wpa_access[8].strip(' ') # Power
access_point = wpa_access[13].strip(' ') # Access point Name

if access_point not in wpa_details.keys():
wpa_details[access_point] = [mac_address, channel, speed, power]


except(ValueError, IndexError):
pass
except Exception as e:
print("Error occurred during scan: ", e)

def showEvent(self, event):
self.timer.start()
Expand Down
10 changes: 5 additions & 5 deletions Fern-Wifi-Cracker/core/variables.py
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Original file line number Diff line number Diff line change
Expand Up @@ -55,15 +55,15 @@
log_direc = 'fern-log'
tmp_direc = os.listdir(direc) # list/tmp/
directory = os.getcwd()
temp_log_path = direc + log_direc

#
# Create temporary log directory
#
if 'fern-log' in tmp_direc:
shutil.rmtree(direc + log_direc,ignore_errors=True) # Delete directory in /fern-log if it already exists in /tmp/
os.mkdir(direc + log_direc)
else:
os.mkdir(direc + log_direc) # Create /tmp/fern-log/
if os.path.exists(temp_log_path):
shutil.rmtree(temp_log_path,ignore_errors=True) # Delete directory in /fern-log if it already exists in /tmp/

os.mkdir(temp_log_path) # Create /tmp/fern-log/

#
# Create Sub Temporary directory in /tmp/fern-log
Expand Down
28 changes: 17 additions & 11 deletions Fern-Wifi-Cracker/core/wpa.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import time
import subprocess
import threading
from xml.etree import ElementTree
from core.fern import *
from gui.attack_panel import *
from core.functions import *
Expand Down Expand Up @@ -516,18 +517,23 @@ def auto_add_clients(self):

def probe_for_Client_Mac(self):
variables.exec_command("airodump-ng -a --channel %s --write /tmp/fern-log/WPA/zfern-wpa \
--output-format csv --encrypt wpa %s"%(variables.victim_channel,variables.monitor_interface))
--output-format netxml --encrypt wpa %s"%(variables.victim_channel,variables.monitor_interface))


def client_update(self):
wpa_clients_str = reader('/tmp/fern-log/WPA/zfern-wpa-01.csv')
wpa_clients_sort = wpa_clients_str[wpa_clients_str.index('Probed ESSIDs'):-1]
try:
wpa_tree = ElementTree.parse('/tmp/fern-log/WPA/zfern-wpa-01.kismet.netxml').getroot()

for access_point_info in wpa_tree:
bssid = access_point_info.find("BSSID").text
for client in access_point_info.iter("wireless-client"):
client_mac = client.find("client-mac").text

if bssid == variables.victim_mac:
self.client_list.append(client_mac)
except Exception:
pass

for line in wpa_clients_sort.splitlines():
result = re.findall("(([0-9A-F]{2}:){5}[0-9A-F]{2})",line)
if(len(result) == 2):
if(result[1][0] == variables.victim_mac):
self.client_list.append(result[0][0])


def launch_brutefore(self):
Expand Down Expand Up @@ -764,19 +770,19 @@ def find_dictionary_length(self,filename):
self.progress_bar_max = line_count(filename)
self.wordlist_lines_counted_signal.emit(filename)


def set_progress_bar(self,filename):
int_max = 2147483630 # Avoid a C based interger overflow
if(self.progress_bar_max > int_max):
if self.progress_bar_max > int_max:
self.progress_bar_max = int_max
self.progressBar.setMaximum(self.progress_bar_max)
self.settings.create_settings(filename,str(self.progress_bar_max))
self.settings.create_settings(filename, str(self.progress_bar_max))



def dictionary_setting(self):
filename = QtWidgets.QFileDialog.getOpenFileName(self,"Select Wordlist","")[0]
if(filename):

self.settings.create_settings("wordlist",filename)

get_temp_name = self.settings.read_last_settings("wordlist")
Expand Down
2 changes: 1 addition & 1 deletion Fern-Wifi-Cracker/version
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
version = 3.11
version = 3.12
total_files = 81

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