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registry_key.py
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registry_key.py
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# Importeer de juiste bibliotheken om de registry te kunnen lezen
import sys
import winreg
import tabulate
import os.path as osp
import logging
import hashlib
logger = logging.getLogger('Registry Keys')
def choice_menu(geef_HKEY, geef_pad):
# input vragen aan de gebruiker.
logger.info("Asked for input HKEY.")
logger.info("Received input HKEY: " + geef_HKEY)
logger.info("Asked for input path, ")
logger.info("Received input path: " + geef_pad)
# Wanneer er een enter wordt ingevoerd geeft het programma een fout melding
if (geef_pad == ""):
print("Path not found, please enter a valid path choice. Try again.")
#sys.exit(1)
if (geef_HKEY == ""):
print("HKEY not found, please enter a valid HKEY choice. Try again.")
#sys.exit(1)
# Leest de gegeven HKEY-input van de gebruiker uit.
try:
HKEY_found = False
logger.info("Analyzing HKEY and path choice")
if (geef_HKEY == "HKEY_CLASSES_ROOT"):
explorer = winreg.OpenKey(
winreg.HKEY_CLASSES_ROOT, geef_pad)
HKEY_found = True
elif (geef_HKEY == "HKEY_CURRENT_USER"):
explorer = winreg.OpenKey(
winreg.HKEY_CURRENT_USER, geef_pad)
HKEY_found = True
elif (geef_HKEY == "HKEY_LOCAL_MACHINE"):
explorer = winreg.OpenKey(
winreg.HKEY_LOCAL_MACHINE, geef_pad)
HKEY_found = True
elif (geef_HKEY == "HKEY_USERS"):
explorer = winreg.OpenKey(
winreg.HKEY_USERS, geef_pad)
HKEY_found = True
elif (geef_HKEY == "HKEY_PERFORMANCE_DATA"):
explorer = winreg.OpenKey(
winreg.HKEY_PERFORMANCE_DATA, geef_pad)
HKEY_found = True
elif (geef_HKEY == "HKEY_CURRENT_CONFIG"):
explorer = winreg.OpenKey(
winreg.HKEY_CURRENT_CONFIG, geef_pad)
HKEY_found = True
elif (geef_HKEY == "HKEY_DYN_DATA"):
explorer = winreg.OpenKey(
winreg.HKEY_DYN_DATA, geef_pad)
HKEY_found = True
if (HKEY_found == False):
print("HKEY not found, please enter a valid HKEY choice. Try again.")
logger.info("HKEY not found")
#sys.exit(1)
return
return explorer
except:
print("Path not found, please enter a valid path choice. Try again.")
logger.info("Path not found")
#sys.exit(1)
def reg_reader(exp):
registry = []
# Geeft bij 'Type' de bijbehoorende state naam aan.
TYPE_STATE = {0: 'REG_NONE',
1: 'REG_SZ',
2: 'REG_EXPAND_SZ',
3: 'REG_BINARY',
4: 'REG_DWORD ',
5: 'REG_DWORD_BIG_ENDIAN',
6: 'REG_LINK',
7: 'REG_MULTI_SZ',
8: 'REG_RESOURCE_LIST',
9: 'REG_FULL_RESOURCE_DESCRIPTOR',
10: 'REG_RESOURCE_REQUIREMENTS_LIST',
11: 'REG_QWORD '}
# Waardes in de lijst van de registry keys
try:
i = 0
while 1:
name, data, type = winreg.EnumValue(exp, i)
i += 1
# Tabelontwerp creeëren
name = str(name)
type = str(TYPE_STATE.get(type))
data = str(data)
registry.append({
'Name': name, 'Type': type, 'Data': data,
})
logger.info("Append values to registry list.")
except:
print()
return registry
def filter_reg(registry, filter_vraag, filter_naam, filter_type, filter_data):
ongefilterd_lijst = registry
filter_lijst = []
logger.info("input for filter the registry: " + filter_vraag)
if (filter_vraag.upper() == "N"):
return ongefilterd_lijst
elif (filter_vraag.upper() == "Y"):
logger.info("input to filter on name: " + filter_naam)
logger.info("input to filter on type: " + filter_type)
logger.info("input to filter on data: " + filter_data)
if (filter_naam + filter_type + filter_data == ""):
return ongefilterd_lijst
else:
if (filter_naam != ""):
for key in ongefilterd_lijst:
if key in filter_lijst:
continue
elif (key['Name'] == filter_naam):
filter_lijst.append(key)
logger.info("Registry key list is filtered on name.")
if (filter_lijst == []):
print("Name not found in list of registry keys \n")
logger.info("Name not found in the registry keys list.")
if (filter_type != ""):
for key in ongefilterd_lijst:
if key in filter_lijst:
continue
elif (key['Type'] == filter_type):
filter_lijst.append(key)
logger.info("Registry key list is filtered on type.")
if (filter_lijst == []):
print("Type not found in list of registry keys \n")
logger.info("Type not found in the registry keys list.")
if (filter_data != ""):
for key in ongefilterd_lijst:
if key in filter_lijst:
continue
elif ( filter_data in key['Data']):
filter_lijst.append(key)
logger.info("Registry key list is filtered on data.")
if (filter_lijst == []):
print("Data not found in list of registry keys \n")
logger.info("Data not found in the registry keys list.")
if filter_lijst == []:
print("Did not find IOC in: Registry Keys ")
else:
print("Found IOC, possible malware in: Registry Keys ")
return filter_lijst
else:
print("The input you gave did not correspond Y or N.")
logger.info("The input did not correspond with Y or N.")
def save_keys(final_list):
if final_list == []:
print()
else:
# print tabel naar scherm
header = final_list[0].keys()
rows = [x.values() for x in final_list]
tableregkey = tabulate.tabulate(rows, header, tablefmt='rst')
logger.info("Create table of registry keys.")
print(tableregkey)
logger.info("Printed table of registry keys.")
# schrijf de tabel met uitkomsten naar een .txt bestand.
if osp.isfile("RegistryKeys.txt"):
f = open('RegistryKeys.txt', 'w')
else:
f = open('RegistryKeys.txt', 'x')
logger.info("Save list of registry keys.")
f.write(tableregkey)
logger.info('writing results to file.')
f.close()
logger.info('close txt file.')
# hashing
hasher = hashlib.md5()
with open('RegistryKeys.txt', 'rb') as afile:
buf = afile.read()
hasher.update(buf)
hash1 = 'RegistryKeys.txt MD5 Hashwaarde: ' + hasher.hexdigest()
logger.debug('Generating MD5 hash: ' + hasher.hexdigest())
hashersha = hashlib.sha256()
with open('RegistryKeys.txt', 'rb') as afile:
buf = afile.read()
hashersha.update(buf)
hash2 = 'RegistryKeys.txt SHA256 Hashwaarde: ' + hashersha.hexdigest()
logger.debug('Generating SHA256 hash: ' + hashersha.hexdigest())
f = open('hashfile.txt', 'a', encoding="utf-8")
logger.info('open file: hashfile.txt')
f.write(hash1 + '\n' + hash2 + '\n')
logger.info('writing md5 hash to file')
f.close()
logger.info('close file: hashfile.txt')
def main(geef_HKEY, geef_pad, filter_vraag, filter_naam, filter_type, filter_data):
save_keys(filter_reg(reg_reader(choice_menu(geef_HKEY, geef_pad)), filter_vraag, filter_naam, filter_type, filter_data))
if __name__ == '__main__':
main()