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clean.py
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clean.py
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import pickle
import lzma
import pprint
import datetime
import numpy as np
import multiprocessing as mp
import lzma
import socket
userlogs = dict()
syslogs = dict()
def save_as_fast_flowlog(day, log_type):
with open("data/weeks/%ss/%s-%s.pickle" % (log_type, log_type, day), mode="rb") as f:
flowlog = pickle.load(f)
count = 0
for entry in flowlog:
count += 1
numpy_flowlog = np.empty([count, 1], dtype='u4, u4, datetime64[s], u4, u4, U64, U64, datetime64[s], u1')
index = 0
for entry in flowlog:
numpy_flowlog[index][0][0] = entry['bytes_a_to_b']
numpy_flowlog[index][0][1] = entry['bytes_b_to_a']
numpy_flowlog[index][0][2] = np.datetime64(entry['end_time'])
numpy_flowlog[index][0][3] = entry['port_a']
numpy_flowlog[index][0][4] = entry['port_b']
if 'private_addr' in entry.keys():
numpy_flowlog[index][0][5] = entry['private_addr']
elif 'address_a' in entry.keys():
numpy_flowlog[index][0][5] = str(entry['address_a'])
numpy_flowlog[index][0][6] = str(entry['address_b'])
elif 'obfuscated_a' in entry.keys():
numpy_flowlog[index][0][5] = entry['obfuscated_a']
numpy_flowlog[index][0][6] = entry['obfuscated_b']
else:
print(entry)
if 'public_addr' in entry.keys():
numpy_flowlog[index][0][6] = str(entry['public_addr'])
else:
print(entry)
numpy_flowlog[index][0][7] = np.datetime64(entry['start_time'])
numpy_flowlog[index][0][8] = entry['transport_protocol']
index += 1
return numpy_flowlog
def save_as_fast_syslog(day):
with open("data/weeks/syslogs/syslog-%s.pickle" % day, mode="rb") as f:
syslog = pickle.load(f)
count = 0
for entry in syslog:
count += 1
numpy_syslog = np.empty([count, 1], dtype='U15, U15, u4, u4, datetime64[s], u4, u4, datetime64[s], u1')
index = 0
for entry in syslog:
numpy_syslog[index][0][0] = entry['address_a']
numpy_syslog[index][0][1] = entry['address_b']
numpy_syslog[index][0][2] = entry['bytes_a_to_b']
numpy_syslog[index][0][3] = entry['bytes_b_to_a']
numpy_syslog[index][0][4] = np.datetime64(entry['end_time'])
numpy_syslog[index][0][5] = entry['port_a']
numpy_syslog[index][0][6] = entry['port_b']
numpy_syslog[index][0][7] = np.datetime64(entry['start_time'])
numpy_syslog[index][0][8] = entry['transport_protocol']
index += 1
return numpy_syslog
def clean_and_store_fast():
dates = list()
for i in range((datetime.date(2019, 5, 17) - datetime.date(2019, 3, 4)).days + 1):
dates.append(datetime.date(2019, 3, 4) + datetime.timedelta(days=i))
for date in dates:
print(date)
flowlog = save_as_fast_flowlog(str(date), "flowlog")
local_userlog = save_as_fast_flowlog(str(date), "local_userlog")
remote_userlog = save_as_fast_flowlog(str(date), "remote_userlog")
np.save("data/numpy/userlogs", flowlog)
np.save("data/numpy/userlogs", remote_userlog)
np.save("data/numpy/userlogs", local_userlog)
syslog = save_as_fast_syslog(str(date))
np.save("data/numpy/syslogs", syslog)
def clean_and_store(day):
logs = extract_small(day)
flowlog = logs[0]
syslog = logs[1]
remote_userlog = list()
local_userlog = list()
netbios_log = list()
for entry in flowlog:
if 'public_addr' in entry.keys() and str(entry['public_addr']) == '192.168.151.1':
local_userlog.append(entry)
elif 'obfuscated_a' in entry.keys() and 'obfuscated_b' in entry.keys():
netbios_log.append(entry)
else:
remote_userlog.append(entry)
with open("data/weeks/flowlogs/flowlog-%s.pickle" % day, mode="wb") as f:
pickle.dump(flowlog, f, protocol=pickle.HIGHEST_PROTOCOL)
with open("data/weeks/remote_userlogs/remote_userlog-%s.pickle" % day, mode="wb") as g:
pickle.dump(remote_userlog, g, protocol=pickle.HIGHEST_PROTOCOL)
with open("data/weeks/local_userlogs/local_userlog-%s.pickle" % day, mode="wb") as h:
pickle.dump(local_userlog, h, protocol=pickle.HIGHEST_PROTOCOL)
with open("data/weeks/syslogs/syslog-%s.pickle" % day, mode="wb") as i:
pickle.dump(syslog, i, protocol=pickle.HIGHEST_PROTOCOL)
with open("data/weeks/netbios/netbios-%s.pickle" % day, mode="wb") as j:
pickle.dump(netbios_log, j, protocol=pickle.HIGHEST_PROTOCOL)
def split_by_dates(filename): # run once
with lzma.open(filename) as f:
current = pickle.load(f)
date = (current['start_time'] + datetime.timedelta(hours=9)).date()
prev_date = (current['start_time'] + datetime.timedelta(hours=9)).date()
date_dicts = list()
while True:
if (date != prev_date):
with open("data/%s.pickle" % str(prev_date), mode="wb") as g:
for entry in date_dicts:
pickle.dump(entry, g, protocol=pickle.HIGHEST_PROTOCOL)
date_dicts = list()
prev_date = (current['start_time'] + datetime.timedelta(hours=9)).date()
try:
current = pickle.load(f)
date_dicts.append(current)
date = (current['start_time'] + datetime.timedelta(hours=9)).date()
except EOFError:
break
with open("data/%s.pickle" % str(date), mode="wb") as g:
for entry in date_dicts:
pickle.dump(entry, g, protocol=pickle.HIGHEST_PROTOCOL)
date_dicts = list()
def split_by_weeks(filename): # run once
with lzma.open(filename) as f:
current = pickle.load(f)
date = (current['start_time'] + datetime.timedelta(hours=9)).date()
prev_date = (current['start_time'] + datetime.timedelta(hours=9)).date()
date_dicts = list()
while True:
print(date)
print(prev_date)
if (date > prev_date + datetime.timedelta(days=6)):
for i in range(20):
print(len(date_dicts))
with open("data/weeks/%s.pickle" % str(prev_date), mode="wb") as g:
for entry in date_dicts:
print(entry['start_time'])
pickle.dump(entry, g, protocol=pickle.HIGHEST_PROTOCOL)
date_dicts = list()
prev_date = (current['start_time'] + datetime.timedelta(hours=9)).date()
try:
current = pickle.load(f)
date_dicts.append(current)
date = (current['start_time'] + datetime.timedelta(hours=9)).date()
except EOFError:
break
with open("data/weeks/%s.pickle" % str(prev_date), mode="wb") as g:
for entry in date_dicts:
pickle.dump(entry, g, protocol=pickle.HIGHEST_PROTOCOL)
date_dicts = list()
def extract_small(day):
totallog = list()
flowlog = list()
syslog = list()
with open("data/weeks/%s.pickle" % day, mode="rb") as f:
while True:
try:
totallog.append(pickle.load(f))
except EOFError:
break
for temp in totallog:
temp['start_time'] = temp['start_time'] + datetime.timedelta(hours=9)
temp['end_time'] = temp['end_time'] + datetime.timedelta(hours=9)
if 'obfuscated_a' in temp.keys() or 'obfuscated_b' in temp.keys():
flowlog.append(temp)
else:
syslog.append(temp)
old_index = 0
oldest = flowlog[old_index]
temp = flowlog[1]
# print(temp)
for i in range(1, len(flowlog)):
if temp['start_time'] == oldest['end_time'] or temp['start_time'] + datetime.timedelta(seconds=1) == oldest['end_time'] or temp['start_time'] == oldest['end_time'] + datetime.timedelta(seconds=1): # checking for following 5-tuple
# not swapped
if temp['port_a'] == oldest['port_a'] and temp['port_b'] == oldest['port_b'] and temp['transport_protocol'] == oldest['transport_protocol']: # checking for port matches:
if ('obfuscated_a' in oldest.keys()
and 'obfuscated_a' in temp.keys() and oldest['obfuscated_a'] == temp['obfuscated_a']) or ('obfuscated_b' in oldest.keys() and 'obfuscated_b' in temp.keys()
and oldest['obfuscated_b'] == temp['obfuscated_b']):
#combine
oldest['bytes_b_to_a'] += temp['bytes_b_to_a']
oldest['bytes_a_to_b'] += temp['bytes_a_to_b']
oldest['end_time'] = temp['end_time']
old_index += 1
oldest = flowlog[old_index]
elif temp['port_a'] == oldest['port_b'] and temp['port_b'] == oldest['port_a']: # checking for port matches:
print("same ports")
if ('obfuscated_a' in oldest.keys() and 'obfuscated_b' in temp.keys() # swapped
and oldest['obfuscated_a'] == temp['obfuscated_b']):
#combine
oldest['bytes_b_to_a'] += temp['bytes_a_to_b']
oldest['bytes_a_to_b'] += temp['bytes_b_to_a']
oldest['end_time'] = temp['end_time']
old_index += 1
oldest = flowlog[old_index]
elif ('obfuscated_b' in oldest.keys() and 'obfuscated_a' in temp.keys() # swapped the other way
and oldest['obfuscated_b'] == temp['obfuscated_a']):
# combine
oldest['bytes_b_to_a'] += temp['bytes_a_to_b']
oldest['bytes_a_to_b'] += temp['bytes_b_to_a']
# change previous addresses/ports
oldest['obfuscated_a'] = temp['obfuscated_a']
oldest['address_b'] = temp['address_b']
oldest['port_a'] = temp['port_b']
oldest['port_b'] = temp['port_a']
# get rid of old addresses
oldest.pop('obfuscated_b')
oldest.pop('address_a')
oldest['end_time'] = temp['end_time']
old_index += 1
oldest = flowlog[old_index]
elif temp['start_time'] > oldest['end_time']:
while (temp['start_time'] > oldest['end_time']) and (old_index + 1 < len(flowlog)):
old_index += 1
oldest = flowlog[old_index]
temp = flowlog[i]
print('end of week')
for i in range(len(flowlog)):
flowlog[i] = remove_obfuscated(flowlog[i])
return flowlog, syslog
def remove_obfuscated(temp):
if 'obfuscated_a' in temp.keys():
if 'obfuscated_b' not in temp.keys():
# if temp['port_b'] == 137 or temp['port_a'] == 137:
# print(temp)
# else:
temp['public_addr'] = temp['address_b']
temp.pop('address_b')
temp['private_addr'] = temp['obfuscated_a']
temp.pop('obfuscated_a')
elif 'obfuscated_b' in temp.keys():
temp['private_addr'] = temp['obfuscated_b']
temp['public_addr'] = temp['address_a']
temp.pop('obfuscated_b')
temp.pop('address_a')
port_b = temp['port_a']
temp['port_a'] = temp['port_b']
temp['port_b'] = port_b
bytes_b_to_a = temp['bytes_b_to_a']
temp['bytes_b_to_a'] = temp['bytes_a_to_b']
temp['bytes_a_to_b'] = bytes_b_to_a
return temp
def load_day(day):
with open("data/flowlogs/flowlog-%s.pickle" % day, mode="rb") as f:
flowlog = pickle.load(f)
with open("data/local_userlogs/local_userlog-%s.pickle" % day, mode="rb") as g:
local_userlog = pickle.load(g)
with open("data/remote_userlogs/remote_userlog-%s.pickle" % day, mode="rb") as h:
remote_userlog = pickle.load(h)
with open("data/syslogs/syslog-%s.pickle" % day, mode="rb") as j:
syslog = pickle.load(j)
userlogs[day] = (flowlog, remote_userlog, local_userlog)
syslogs[day] = syslog
return day, (flowlog, remote_userlog, local_userlog), syslog
def update_dnslog(day):
with open("data/dnslog.pickle", mode="rb") as d:
dnslog = pickle.load(d)
with open("data/weeks/remote_userlogs/remote_userlog-%s.pickle" % day, mode="rb") as f:
remote_userlog = pickle.load(f)
not_in = list()
for entry in remote_userlog:
if 'public_addr' in entry and entry['public_addr'] not in dnslog and entry['public_addr'] not in not_in:
try:
dest = socket.gethostbyaddr(str(entry['public_addr']))[0]
dnslog[entry['public_addr']] = dest
print('success!')
print(entry['public_addr'])
print('done')
except socket.error:
not_in.append(entry['public_addr'])
print(entry['public_addr'])
with open("data/dnslog.pickle", mode="wb") as g:
pickle.dump(dnslog, g, protocol=pickle.HIGHEST_PROTOCOL)
if __name__ == '__main__':
# RESTART CODE TO RE-SPLIT DATA FROM ORIGINAL FILE ======
# split_by_weeks("data/2019-05-17-flowlog_archive-000.xz")
# =======================================================
# CLEAN AND STORE =======================================
# date = datetime.date(2019, 3, 4)
# while (date < datetime.date(2019, 5, 17)):
# print(date)
# clean_and_store(date)
# date += datetime.timedelta(days=7)
# =======================================================
# TEST CODE TO LOOK AT ONE FILE =========================
# with open("data/weeks/2019-03-11.pickle", mode="rb") as f:
# while True:
# print(pickle.load(f))
# =======================================================
# TEST CODE FOR REMOTE USERLOGS =========================
# with open("data/weeks/remote_userlogs/remote_userlog-2019-03-04.pickle", mode="rb") as f:
# remote_userlog = pickle.load(f)
# for entry in remote_userlog:
# if entry['end_time'] - entry['start_time'] > datetime.timedelta(minutes=21):
# print(entry)
# =======================================================
# ADDING ENTRIES TO DNSLOG
date = datetime.date(2019, 3, 4)
while (date < datetime.date(2019, 5, 17)):
print(date)
update_dnslog(date)
date += datetime.timedelta(days=7)
# =======================================================