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read_registry.py
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read_registry.py
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from regipy.registry import RegistryHive
from regipy.utils import convert_wintime
from scripts.artifact_report import ArtifactHtmlReport
from scripts.ilapfuncs import logfunc
import os
from utils import functions as own_functions
# Registry path to search
SEARCH_PATH = fr"S-1-5-20\Software\Microsoft\Cryptography\FIDO"
#--------------------------------------------------------------------
# Formats and writes info when at least one device is found
# 2024-07-26
#--------------------------------------------------------------------
def info_success_to_log(num_devices):
if num_devices > 1:
end_S = "s"
else:
end_S = ""
log_S = f"---Success, {num_devices} associated device{end_S} found---"
logfunc(log_S)
#--------------------------------------------------------------------
# @return Returns -1 on error, the number of FIDO2's devices which
# have left traces in the registry.
# last updated: 2024-07-26
#--------------------------------------------------------------------
def read_registry_file(registry_file_path, report_folder, output_format):
reg = RegistryHive(registry_file_path)
fido_list = {}
linked_devices = [] # [[<user_id>, <device_name>, <last_modified>, <isCorrupted>, <device_data>], ...]
logfunc("---Analyzing Registry file---")
# Count the number of found devices
count_devices = 0
try:
for sk in reg.get_key(SEARCH_PATH).iter_subkeys():
fido_list[sk.name] = None
for fido_sk in fido_list:
device_list = {}
path = SEARCH_PATH
path += f'\\' + str(fido_sk) + rf'\LinkedDevices'
for device_sk in reg.get_key(path).iter_subkeys():
device_list[device_sk.name] = None
fido_list[fido_sk] = device_list.copy()
except:
logfunc('---No associated devices found---')
return
try:
for fido in fido_list:
# print(fido) # User ID
linked_device = [fido, None, None, None, None] # [<user_id>, <device_name>, <last_modified>, <is_corrupted>, <device_data>]
for device in fido_list[fido]:
path = SEARCH_PATH
path += f'\\' + str(fido) + rf'\LinkedDevices'
path += f'\\' + str(device)
data = reg.get_key(path)
for i in data.get_values():
# print("\t\t" + str(i))
if i.name == "Name":
linked_device[1] = i.value
# logfunc(f'\tDevice found: {i.value}')
if i.name == "Data" and i.value_type == 'REG_BINARY':
linked_device[4] = i.value.hex().upper()
linked_device[3] = i.is_corrupted
linked_device[2] = convert_wintime(data.header.last_modified, as_json=False).strftime("%Y-%m-%d %H:%M:%S")
# Info to user
if linked_device[1]:
logfunc(f"\tDevice found: '{linked_device[1]}' ({linked_device[2]})")
count_devices = count_devices + 1
linked_devices.append(linked_device.copy())
except:
logfunc('---Error extracting data---')
return -1
data_headers = ('User ID', 'Device Name', 'Last Modified','Is Corrupted', 'Device Data')
# DEBUG
# logfunc(f"{linked_devices=}")
if output_format == 'csv':
linked_devices.insert(0, data_headers)
own_functions.write_csv(os.path.join(report_folder, 'linked_devices.csv'), linked_devices)
info_success_to_log(count_devices)
# logfunc('---Sucess, ' + str(len(linked_devices)) + ' associated devices found---')
elif output_format == 'html':
if len(linked_devices) > 0:
report = ArtifactHtmlReport('Passkeys - Registry')
report.start_artifact_report(report_folder, 'Passkeys - Registry')
report.add_script()
report.write_artifact_data_table(data_headers, linked_devices, registry_file_path)
report.end_artifact_report()
info_success_to_log(count_devices)
## logfunc('---Sucess, ' + str(len(linked_devices)) + ' associated devices found---')
else:
logfunc('Passkeys - registry data available')
elif output_format == 'xlsx':
linked_devices.insert(0, data_headers)
own_functions.write_excel(os.path.join(report_folder, 'passkeys_artifacts_data.xlsx'),
'Linked Devices', linked_devices, is_rewrite=False)
info_success_to_log(count_devices)
## logfunc('---Sucess, ' + str(len(linked_devices)) + ' associated devices found---')
return count_devices