def process_result():
# Disable communicator until we start another job
Comunicator.disable()
# Check if process exited cleanly
if Cracker.crt_process is not None:
Cracker.crt_process.check_clean_exit()
show_stdout = list(
filter(
None,
SingleProcess(Cracker.attack_command +
" --show").split_stdout()))
password = ""
# Check if we cracked something!
if len(show_stdout) != 0:
for line in show_stdout:
cracked_obj = Configuration.hashcat_show_regex.match(line)
die(
cracked_obj is None,
"REGEX error! could not match the --show line:%s" %
show_stdout)
password = cracked_obj.group(1)
msg = "[FAIL] Password for '%s' is not contained in rule '%s'" %\
(Cracker.mac_ssid_job, Cracker.crt_rule["name"])
if len(password) > 7:
msg = "[SUCCESS] The password for '%s' is '%s'" % (
Cracker.mac_ssid_job, password)
Comunicator.printer(msg)
Cracker.safe_send_result(password)
Cracker.clean_variables()
def process_result():
# Disable communicator until we start another job
Comunicator.disable()
# Check if process exited cleanly
Cracker.crt_process.check_clean_exit()
show_stdout = list(
filter(
None,
SingleProcess(Cracker.attack_command +
" --show").split_stdout()))
password = ""
# Check if we cracked something!
if len(show_stdout) != 0:
for line in show_stdout:
cracked_obj = Configuration.hashcat_show_regex.match(line)
die(
cracked_obj is None,
"REGEX error! could not match the --show line:%s" %
show_stdout)
password = cracked_obj.group(1)
Cracker.safe_send_result(password)
Cracker.clean_variables()
def is_already_cracked(command):
show_stdout = list(
filter(None,
SingleProcess(command + " --show").split_stdout()))
if len(show_stdout) > 0:
return True
return False
def is_potfile_duplicated(command):
show_stdout = list(
filter(None,
SingleProcess(command + " --show").split_stdout()))
if len(show_stdout) > 0:
return True
return False
def start_cracking(work):
Cracker.mac_ssid_job = "%s-%s" % (work["handshake"]["mac"],
work["handshake"]["ssid"])
msg = "Running '%s' with rule '%s'" % (Cracker.mac_ssid_job,
work["rule"]["name"])
Comunicator.enable(interactive=False)
Comunicator.dual_printer(Comunicator.logger.info, msg)
_, Cracker.path_temp_file = mkstemp(prefix="psknow_crack")
if work["handshake"]["file_type"] == "16800":
with open(Cracker.path_temp_file, "w") as fd:
fd.write(work["handshake"]["data"])
else:
with open(Cracker.path_temp_file, "wb") as fd:
fd.write(b64decode(work["handshake"]["data"].encode("utf8")))
# Memorize attack type - we need it to decode the output
attack_type = work["handshake"]["handshake_type"]
Cracker.crt_rule = work["rule"]
attacked_file = Cracker.path_temp_file
# Get commands needed to run hashcat
generator_command, Cracker.attack_command, Cracker.scrambler =\
Cracker.get_attack_command(Cracker.crt_rule, attack_type, attacked_file, work["handshake"]["ssid"])
Comunicator.info_logger(
"Trying rule %s on '%s-%s'" %
(Cracker.crt_rule["name"], work["handshake"]["mac"],
work["handshake"]["ssid"]))
if Cracker.is_already_cracked(Cracker.attack_command):
Comunicator.warning_logger(
"'%s' has already been cracked. Attempting to send result." %
Cracker.mac_ssid_job)
Cracker.process_result()
return
if generator_command == "":
Cracker.crt_process = SingleProcess(Cracker.attack_command)
else:
Cracker.crt_process = DoubleProcess(generator_command,
Cracker.attack_command)
def start_cracking(work):
Cracker.mac_ssid_job = "%s-%s" % (work["handshake"]["mac"],
work["handshake"]["ssid"])
msg = "Running '%s' with rule '%s'" % (Cracker.mac_ssid_job,
work["rule"]["name"])
Comunicator.enable(interactive=False)
Comunicator.dual_printer(msg, Configuration.logger.info)
_, Cracker.path_temp_file = mkstemp(prefix="psknow_crack")
if work["handshake"]["file_type"] == "16800":
with open(Cracker.path_temp_file, "w") as fd:
fd.write(work["handshake"]["data"])
else:
with open(Cracker.path_temp_file, "wb") as fd:
fd.write(b64decode(work["handshake"]["data"].encode("utf8")))
# Memorize attack type - we need it to decode the output
attack_type = work["handshake"]["handshake_type"]
Cracker.crt_rule = work["rule"]
attacked_file = Cracker.path_temp_file
# Get commands needed to run hashcat
generator_command, Cracker.attack_command, Cracker.scrambler =\
Cracker.get_attack_command(Cracker.crt_rule, attack_type, attacked_file, work["handshake"]["ssid"])
Configuration.logger.info(
"Trying rule %s on '%s-%s'" %
(Cracker.crt_rule["name"], work["handshake"]["mac"],
work["handshake"]["ssid"]))
if Cracker.is_potfile_duplicated(Cracker.attack_command):
msg = "Duplication for %s happened. It is already present in potfile!" % Cracker.mac_ssid_job
Configuration.dual_print(Configuration.logger.critical, msg)
fast_stop()
if generator_command == "":
Cracker.crt_process = SingleProcess(Cracker.attack_command)
else:
Cracker.crt_process = DoubleProcess(generator_command,
Cracker.attack_command)
def test_john():
"""
Function that tests if john the ripper properly works
Tests if john can be run and if the setting for running local config files is active
:return:
True if john the ripper properly works
"<ERROR>" otherwise
"""
# Test if regular john the ripper works
_, passwd_file = mkstemp(prefix="psknow_crack")
try:
with open(passwd_file, "w") as fd:
fd.write("password\n")
test_john_runs = "%s --wordlist=%s --stdout --rules=None" % (
Configuration.john_path, passwd_file)
p = SingleProcess(test_john_runs, crit=False)
p.generate_output()
retcode = p.poll()
if retcode != 0:
return "process '%s' crashed with return code '%d'\nStdout: %s\nStderr: %s" % \
(test_john_runs, retcode, p.stdout(), p.stderr())
test_john_runs = "%s --wordlist=%s --stdout --rules=TestRulePSKnow" % (
Configuration.john_path, passwd_file)
p = SingleProcess(test_john_runs, crit=False)
p.generate_output()
retcode = p.poll()
if 'No "TestRulePSKnow" mode rules found in' in p.stderr():
return "john-local.conf was not loaded by john. Check the configuration file '%s.conf' and uncomment" \
"the line `#.include './john-local.conf'`" % Configuration.john_path
if retcode != 0:
return "process '%s' crashed with return code '%d'\nStdout: %s\nStderr: %s" % \
(test_john_runs, retcode, p.stdout(), p.stderr())
except Exception as e:
raise e
finally:
os.remove(passwd_file)
return True
