pip install kamene即可，但由於本機(win7環境)無法正常使用kamene，只好切換到linux環境下。
import os
import gzip
import shutil
from difflib import sequencematcher
root_dir = r'/home/report/data'
file_name = os.listdir(root_dir)
# 對檔名進行聚類
file_name_dict = {}
cls_name_set = set()
for find_name in file_name:
if find_name in cls_name_set:
continue
file_name_dict[find_name] = [find_name]
cls_name_set.add(find_name)
for match_name in file_name:
if match_name in cls_name_set:
continue
if sequencematcher(none, find_name, match_name).ratio() > 0.97:
cls_name_set.add(match_name)
# 對檔案進行壓縮
for key, file_name_list in file_name_dict.items():
folder_path = os.path.join(root_dir, '.'.join(key.split('.')[:-2:]))
os.mkdir(folder_path)
for name in file_name_list:
with gzip.open(os.path.join(root_dir, name), 'rb') as f_in:
with open(os.path.join(folder_path, '.'.join(name.split('.')[:-1:])), 'wb') as f_out:
shutil.copyfileobj(f_in, f_out)
os.system('rm -rf /home/report/data/*.gz')from kamene.all import *
def longestcommonprefix(self):
l = zip(*strs)
# list(zip(*["abc","efg","jk"])) --例子輸出-→ [('a', 'e', 'j'), ('b', 'f', 'k')] # 加*表示反向zip()
r = [len(set(c)) == 1 for c in l] + [false]
# set([1,1,0,1]) --例子輸出-→ [1,0] # set()刪除重複元素
if strs != :
s = r.index(false) # 查詢第乙個false的下標
return strs[0][0:s] # 列表查詢+切片
else:
return ''
from kamene.all import *
def longestcommonprefix(strs):
l = zip(*strs)
r = [len(set(c)) == 1 for c in l] + [false]
if strs != :
s = r.index(false)
return strs[0][0:s]
else:
return ''
def get_tcp_feature(dir_path):
group_data = {}
for file_name in os.listdir(dir_path):
whole_file_path = os.path.join(dir_path, file_name)
with pcapreader(whole_file_path) as pcap_reader:
for index, pkt in enumerate(pcap_reader):
if 'tcp' in pkt:
if pkt.haslayer('raw'): #讀取應用層資料
hex_data = bytes(pkt['raw'])
str_data = str(hex_data)
if group_data.get(index, -1) == -1:
group_data[index] = [str_data]
else:
for str_data in group_data.values():
if len(str_data) == 3:
feature = longestcommonprefix(str_data)
print(feature)
break
#得到特徵
for root, dir, file in os.walk('/home/report/data'):
if len(dir) == 0:
break
for folder in dir:
get_tcp_feature(os.path.join(root, folder))
group_data =
with pcapreader('3s_smart_software_solutions_codesys_gateway_server_packet_size_denial_of_service_cve-2012-47071.pcap') as pcap_reader:
for index, pkt in enumerate(pcap_reader):
if 'tcp' in pkt:
if pkt.haslayer('raw'): #讀取應用層資料
hex_data = bytes(pkt['raw'])
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