def csv_user_assist_value_decode_before_win7(str_value_datatmp, count_offset):
"""
The Count registry key contains values representing the programs
Each value is separated as :
first 4 bytes are session
following 4 bytes are number of times the program has been run
next 8 bytes are the timestamp of last execution
each of those values are in big endian which have to be converted in little endian
:return: An array containing these information
"""
# 16 bytes data
str_value_data_session = str_value_datatmp[0:4]
str_value_data_session = unicode(struct.unpack("<I", str_value_data_session)[0])
str_value_data_count = str_value_datatmp[4:8]
str_value_data_count = unicode(struct.unpack("<I", str_value_data_count)[0] + count_offset + 1)
str_value_data_timestamp = str_value_datatmp[8:16]
try:
timestamp = struct.unpack("<I", str_value_data_timestamp)[0]
date_last_exec = convert_windate(timestamp)
except ValueError:
date_last_exec = None
arr_data = [str_value_data_session, str_value_data_count]
if date_last_exec:
arr_data.append(date_last_exec)
else:
arr_data.append("")
return arr_data
def csv_user_assist_value_decode_win7_and_after(str_value_datatmp,
count_offset):
"""The value in user assist has changed since Win7. It is taken into account here."""
# 16 bytes data
str_value_data_session = str_value_datatmp[0:4]
str_value_data_session = unicode(
struct.unpack("<I", str_value_data_session)[0])
str_value_data_count = str_value_datatmp[4:8]
str_value_data_count = unicode(
struct.unpack("<I", str_value_data_count)[0] + count_offset + 1)
str_value_data_focus = str_value_datatmp[12:16]
str_value_data_focus = unicode(
struct.unpack("<I", str_value_data_focus)[0])
str_value_data_timestamp = str_value_datatmp[60:68]
try:
timestamp = struct.unpack("<Q", str_value_data_timestamp)[0]
date_last_exec = convert_windate(timestamp)
except ValueError:
date_last_exec = None
arr_data = [
str_value_data_session, str_value_data_count, str_value_data_focus
]
if date_last_exec:
arr_data.append(date_last_exec)
else:
arr_data.append("")
return arr_data
def csv_user_assist_value_decode_win7_and_after(str_value_datatmp, count_offset):
"""The value in user assist has changed since Win7. It is taken into account here."""
# 16 bytes data
str_value_data_session = str_value_datatmp[0:4]
str_value_data_session = unicode(struct.unpack("<I", str_value_data_session)[0])
str_value_data_count = str_value_datatmp[4:8]
str_value_data_count = unicode(struct.unpack("<I", str_value_data_count)[0] + count_offset + 1)
str_value_data_focus = str_value_datatmp[12:16]
str_value_data_focus = unicode(struct.unpack("<I", str_value_data_focus)[0])
str_value_data_timestamp = str_value_datatmp[60:68]
try:
timestamp = struct.unpack("<Q", str_value_data_timestamp)[0]
date_last_exec = convert_windate(timestamp)
except ValueError:
date_last_exec = None
arr_data = [str_value_data_session, str_value_data_count, str_value_data_focus]
if date_last_exec:
arr_data.append(date_last_exec)
else:
arr_data.append("")
return arr_data
