def __data_from_userprofile(self, zipname, directories_to_search): ''' Retrieves data from userprofile. Creates a zip archive containing windows from the directories given in parameters. ''' userprofiles = get_userprofiles_from_reg() # File mode is write and truncate for the first iteration, append after file_mode = 'w' for userprofile in userprofiles: for directory_to_search in directories_to_search: full_path = userprofile + '\\' + directory_to_search # construct the list of windows in the directory_to_search for the zip function list_directories = look_for_files(full_path) for directory in list_directories: list_files = self.__enum_directory(directory) zip_archive(list_files, self.output_dir, zipname, self.logger, file_mode) file_mode = 'a'
def __data_from_userprofile(self, zipname, directories_to_search):
''' Retrieves data from userprofile. Creates a zip archive containing windows from the directories given in parameters. '''
userprofiles = get_userprofiles_from_reg()
# File mode is write and truncate for the first iteration, append after
file_mode = 'w'
for userprofile in userprofiles:
for directory_to_search in directories_to_search:
full_path = userprofile + '\\' + directory_to_search
# construct the list of windows in the directory_to_search for the zip function
list_directories = look_for_files(full_path)
for directory in list_directories:
list_files = self.__enum_directory(directory)
zip_archive(list_files, self.output_dir, zipname,
self.logger, file_mode)
file_mode = 'a'
def _list_windows_prefetch(self):
''' Outputs windows prefetch files in a csv '''
''' See http://www.forensicswiki.org/wiki/Windows_Prefetch_File_Format '''
prefetch_path =self.systemroot + '\Prefetch\*.pf'
list_prefetch_files = look_for_files(prefetch_path)
for prefetch_file in list_prefetch_files:
content = ''
with open(prefetch_file, 'rb') as file_input:
content = file_input.read()
try:
format_version = content[:4]
format_version = get_int_from_reversed_string(format_version)
#scca_sig = content[0x4:][:4]
unknown_values = content[0x0008:0x0008+4]
unknown_values = ' '.join(c.encode('hex') for c in unknown_values)
file_size = content[0x000c:0x000c+4]
file_size = get_int_from_reversed_string(file_size)
exec_name = content[0x0010:0x0010+60]
for i in range(30): # 60 / 2
if 2*i+1 < len(exec_name):
if exec_name[2*i]=='\x00' and exec_name[2*i+1]=='\x00':
exec_name = exec_name[:2*(i+1)].decode('utf-16-le')
'''prefetch_hash = content[:4]
content = content[4:]
unknown_flag = content[:4]
content = content[4:]'''
prefetch_hash = content[0x004c:0x004c+4]
tc=os.path.getctime(prefetch_file)
tm=os.path.getmtime(prefetch_file)
section_a = get_int_from_reversed_string(content[0x0054:0x0054+4])
num_entries_a = get_int_from_reversed_string(content[0x0058:0x0058+4])
section_b = get_int_from_reversed_string(content[0x005c:0x005c+4])
num_entries_b = get_int_from_reversed_string(content[0x0060:0x0060+4])
section_c = get_int_from_reversed_string(content[0x0064:0x0064+4])
length_c = get_int_from_reversed_string(content[0x0068:0x0068+4])
section_d = get_int_from_reversed_string(content[0x006c:0x006c+4])
num_entries_d = get_int_from_reversed_string(content[0x0070:0x0070+4])
length_d = get_int_from_reversed_string(content[0x0074:0x0074+4])
if format_version == 17:
latest_exec_date = content[0x0078:0x0078+8]
exec_count = get_int_from_reversed_string(content[0x0090:0x0090+4])
# section a
elif format_version == 23:
latest_exec_date = content[0x0080:0x0080+8]
exec_count = get_int_from_reversed_string(content[0x0098:0x0098+4])
else:
# format version 26
latest_exec_date = []
for i in range(8):
latest_exec_date.append(content[0x0088+i*8:0x0088+(i+1)*8])
exec_count = get_int_from_reversed_string(content[0x00D0:0x00D0+4])
hash_table_a = self.__decode_section_a(format_version, content, section_a)
list_str_c = self.__decode_section_c(content, section_c, length_c)
yield prefetch_file,format_version,file_size, exec_name, datetime.datetime.fromtimestamp(tc),datetime.datetime.fromtimestamp(tm), exec_count, hash_table_a, list_str_c
except:
logging.error(traceback.format_exc())
def _list_named_pipes(self):
for p in look_for_files('\\\\.\\pipe\\*'):
yield p
def _list_windows_prefetch(self):
''' Outputs windows prefetch files in a csv '''
''' See http://www.forensicswiki.org/wiki/Windows_Prefetch_File_Format '''
prefetch_path = self.systemroot + '\Prefetch\*.pf'
list_prefetch_files = look_for_files(prefetch_path)
for prefetch_file in list_prefetch_files:
content = ''
with open(prefetch_file, 'rb') as file_input:
content = file_input.read()
try:
format_version = content[:4]
format_version = get_int_from_reversed_string(format_version)
#scca_sig = content[0x4:][:4]
unknown_values = content[0x0008:0x0008 + 4]
unknown_values = ' '.join(
c.encode('hex') for c in unknown_values)
file_size = content[0x000c:0x000c + 4]
file_size = get_int_from_reversed_string(file_size)
exec_name = content[0x0010:0x0010 + 60]
for i in range(30): # 60 / 2
if 2 * i + 1 < len(exec_name):
if exec_name[2 *
i] == '\x00' and exec_name[2 * i +
1] == '\x00':
exec_name = exec_name[:2 *
(i + 1)].decode('utf-16-le')
'''prefetch_hash = content[:4]
content = content[4:]
unknown_flag = content[:4]
content = content[4:]'''
prefetch_hash = content[0x004c:0x004c + 4]
tc = os.path.getctime(prefetch_file)
tm = os.path.getmtime(prefetch_file)
section_a = get_int_from_reversed_string(
content[0x0054:0x0054 + 4])
num_entries_a = get_int_from_reversed_string(
content[0x0058:0x0058 + 4])
section_b = get_int_from_reversed_string(
content[0x005c:0x005c + 4])
num_entries_b = get_int_from_reversed_string(
content[0x0060:0x0060 + 4])
section_c = get_int_from_reversed_string(
content[0x0064:0x0064 + 4])
length_c = get_int_from_reversed_string(content[0x0068:0x0068 +
4])
section_d = get_int_from_reversed_string(
content[0x006c:0x006c + 4])
num_entries_d = get_int_from_reversed_string(
content[0x0070:0x0070 + 4])
length_d = get_int_from_reversed_string(content[0x0074:0x0074 +
4])
if format_version == 17:
latest_exec_date = content[0x0078:0x0078 + 8]
exec_count = get_int_from_reversed_string(
content[0x0090:0x0090 + 4])
# section a
elif format_version == 23:
latest_exec_date = content[0x0080:0x0080 + 8]
exec_count = get_int_from_reversed_string(
content[0x0098:0x0098 + 4])
else:
# format version 26
latest_exec_date = []
for i in range(8):
latest_exec_date.append(content[0x0088 + i * 8:0x0088 +
(i + 1) * 8])
exec_count = get_int_from_reversed_string(
content[0x00D0:0x00D0 + 4])
hash_table_a = self.__decode_section_a(format_version, content,
section_a)
list_str_c = self.__decode_section_c(content, section_c,
length_c)
yield prefetch_file, format_version, file_size, exec_name, datetime.datetime.fromtimestamp(
tc), datetime.datetime.fromtimestamp(
tm), exec_count, hash_table_a, list_str_c
except:
logging.error(traceback.format_exc())
def _list_named_pipes(self):
for p in look_for_files('\\\\.\\pipe\\*'):
yield p
