삭제 'keris.ipynb/PrefixSpan_20210925_edit.py'

keris.ipynb/PrefixSpan_20210925_edit.py

@@ -1,731 +0,0 @@
-#!/usr/bin/env python
-# coding: utf-8
-
-# <p>NTM(유해트래픽 탐지장비)</p>
-# <p>MTM(악성파일 탐지장비)</p>
-
-# In[1]:
-
-
-#!/usr/bin/env python
-# coding: utf-8
-
-import pandas as pd
-import numpy as np
-from mlxtend.preprocessing import TransactionEncoder
-from mlxtend.frequent_patterns import association_rules, fpgrowth
-from prefixspan import PrefixSpan
-
-# load ts_data_accident-2020_sample.csv
-# to prevent dtypewarning, set low_memory=False
-df = pd.read_csv('ts_data_accident-2020_sample.csv', low_memory=False)
-df=df[['RISK_V2','INST_NM','DRULE_ATT_TYPE_CODE1','TW_ATT_IP','TW_ATT_PORT','TW_DMG_IP','TW_DMG_PORT','ACCD_DMG_PROTO_NM','TW_ATT_CT_NM','ACCD_FIND_MTD_CODE','DRULE_NM']].dropna()
-len(df) #len(df) : 10000, load successful
-
-##################### NTM section #####################
-NTM_df=df[df['ACCD_FIND_MTD_CODE']==1] #* edit'1' to 1
-len(NTM_df)
-#* NTM_df.head()
-
-# Pick out it in order to get the asset, risk, intent, black IP out
-RISK_V2=NTM_df['RISK_V2']
-
-RISK_V2_FILTERED=RISK_V2.dropna()
-print(RISK_V2.size)
-print(RISK_V2_FILTERED.size)
-
-#* 추가 : 기존 filter_assets_value 사용시 값을 인식하지 못하는 문제 발생 -> RISK_V2를 별도의 df로 수정
-import json
-from pandas import json_normalize
-risk_df = pd.DataFrame()
-for newVal in RISK_V2_FILTERED:
-    newVal = newVal.replace("'", "\"")
-    newVal_str = json.loads(newVal)
-    newVal_df = json_normalize(newVal_str) 
-    risk_df = pd.concat([risk_df,newVal_df],ignore_index=True) 
-    
-risk_df_col = risk_df.columns.values.tolist()
-
-# In[352]:
-asset_val = []
-intent_val=[]
-source_val=[]
-def filter_assets_value(risk):
-    for i in range(len(risk)):
-        risks=[]
-        intents=[]
-        sources=[]
-        try:
-            for key in risk_df_col:
-                if 'ASSETS_VAL_' in key and risk.iloc[i][key]:
-                    risk_key_desc = 'RISK_V2.' + key + '=' + get_asset_desc(key)
-                    risks.append(risk_key_desc)
-                if 'INTENT_VAL_' in key and risk.iloc[i][key]:
-                    intent_key_desc = 'RISK_V2.' + key + '=' + get_intent_desc(key)
-                    intents.append(intent_key_desc)
-                if 'SOURCE_VAL_' in key and risk.iloc[i][key]:
-                    source_key_desc='RISK_V2.' + key + '=' + get_source_desc(key)
-                    sources.append(source_key_desc)
-        except:
-            print(risk)
-            print(type(risk))
-        finally:
-            asset_val.append(risks)
-            intent_val.append(intents)
-            source_val.append(sources)
-    
-    
-# modified
-def get_asset_desc(asset_field):
-    if asset_field == 'ASSETS_VAL_1':
-        return '공인-전체IP대역(유선)'
-    elif asset_field == 'ASSETS_VAL_2':
-        return '공인-전체IP대역(무선)'
-    elif asset_field == 'ASSETS_VAL_3':
-        return '공인-WEB서버'
-    elif asset_field == 'ASSETS_VAL_4':
-        return '공인-내부응용서버'
-    elif asset_field == 'ASSETS_VAL_5':
-        return '공인-DB서버'
-    elif asset_field == 'ASSETS_VAL_6':
-        return '공인-패치서버'
-    elif asset_field == 'ASSETS_VAL_7':
-        return '공인-네트워크'
-    elif asset_field == 'ASSETS_VAL_8':
-        return '공인-보안'
-    elif asset_field == 'ASSETS_VAL_9':
-        return '공인-업무용PC'
-    elif asset_field == 'ASSETS_VAL_10':
-        return '공인-비업무용PC'
-    elif asset_field == 'ASSETS_VAL_11':
-        return '공인-기타'
-    elif asset_field == 'ASSETS_VAL_12':
-        return '사설-전체IP대역(유선)'
-    elif asset_field == 'ASSETS_VAL_13':
-        return '사설-전체IP대역(무선)'
-    elif asset_field == 'ASSETS_VAL_14':
-        return '사설-WEB서버'
-    elif asset_field == 'ASSETS_VAL_15':
-        return '사설-내부응용서버'
-    elif asset_field == 'ASSETS_VAL_16':
-        return '사설-DB서버'
-    elif asset_field == 'ASSETS_VAL_17':
-        return '사설-패치서버'
-    elif asset_field == 'ASSETS_VAL_18':
-        return '사설-네트워크'
-    elif asset_field == 'ASSETS_VAL_19':
-        return '사설-보안'
-    elif asset_field == 'ASSETS_VAL_20':
-        return '사설-업무용PC'
-    elif asset_field == 'ASSETS_VAL_21':
-        return '사설-비업무용PC'
-    elif asset_field == 'ASSETS_VAL_22':
-        return '사설-기타'
-    else:
-        return ''
-
-
-
-# modified
-def filter_intent(intent):
-    intents=[]
-    for intent_key in intent:
-        if 'INTENT_VAL_' in intent_key and intent[intent_key]:
-            intent_key_desc = 'RISK_V2.' + intent_key + '=' + get_intent_desc(intent_key)
-            intents.append(intent_key_desc)
-    return intents
-
-
-# In[356]:
-
-
-def get_intent_desc(intent_field):
-    if intent_field == 'INTENT_VAL_1':
-        return '파괴'
-    elif intent_field == 'INTENT_VAL_2':
-        return '유출'
-    elif intent_field == 'INTENT_VAL_3':
-        return '지연'
-    elif intent_field == 'INTENT_VAL_4':
-        return '잠복'
-    elif intent_field == 'INTENT_VAL_5':
-        return '단순침입'
-    elif intent_field == 'INTENT_VAL_6':
-        return 'MD5'
-    elif intent_field == 'INTENT_VAL_0':
-        return 'Default'
-    else:
-        return ''
-
-
-# In[358]:
-
-
-# modified
-def filter_source(source):
-    sources=[]
-    for source_key in source:
-        if 'SOURCE_VAL_' in source_key and source[source_key]:
-            source_key_desc='RISK_V2.' + source_key + '=' + get_source_desc(source_key)
-            sources.append(source_key_desc)
-    return sources
-
-
-# In[359]:
-
-
-def get_source_desc(source_field):
-    if source_field=='SOURCE_VAL_1':
-        return '북한IP'
-    if source_field=='SOURCE_VAL_3':
-        return 'ECSC Black IP'
-    else:
-        return ''
-
-
-
-# In[2]:
-
-
-filter_assets_value(risk_df)
-#뒤에 isna()를 통해 na값을 0으로 바꿔주는 작업을 하므로, 값이 비어있는 경우 [] 대신 비워두기
-# New assets column
-NTM_df['ASSETS_VAL']= asset_val
-NTM_df['ASSETS_VAL']=NTM_df['ASSETS_VAL'].astype(str)
-NTM_df['ASSETS_VAL']=NTM_df['ASSETS_VAL'].str.replace('[','', regex=False)
-NTM_df['ASSETS_VAL']=NTM_df['ASSETS_VAL'].str.replace(']','', regex=False)
-NTM_df[:1]
-# New column of intent value
-NTM_df['INTENT_VAL']=intent_val
-NTM_df['INTENT_VAL']=NTM_df['INTENT_VAL'].astype(str)
-NTM_df['INTENT_VAL']=NTM_df['INTENT_VAL'].str.replace('[','',regex=False)
-NTM_df['INTENT_VAL']=NTM_df['INTENT_VAL'].str.replace(']','',regex=False)
-NTM_df[:1]
-# New column of SOURCE_VAL value
-NTM_df['SOURCE_VAL']=source_val
-NTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].astype(str)
-NTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].str.replace('[','',regex=False)
-NTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].str.replace(']','',regex=False)
-NTM_df[:5]
-
-# In[361]:
-NTM_df.drop(columns=['RISK_V2'], inplace=True)
-NTM_df.columns
-
-
-# In[3]:
-
-
-#data frame의 i번째 row를 list로 저장하여 itertools.combinations로 모든 조합 만들 예정
-#TW_ATT_IP와 TW_DMG_IP의 값이 같은 경우 어떤 값과의 관계인지 알 수 없으므로 데이터 가공
-NTM_df['TW_ATT_IP']="TW_ATT_IP="+NTM_df['TW_ATT_IP'].astype(str)
-NTM_df['TW_ATT_PORT']="TW_ATT_PORT="+NTM_df['TW_ATT_PORT'].astype(str)
-NTM_df['TW_DMG_IP']="TW_DMG_IP="+NTM_df['TW_DMG_IP'].astype(str)
-NTM_df['TW_DMG_PORT']="TW_DMG_PORT="+NTM_df['TW_DMG_PORT'].astype(str)
-
-
-# In[4]:
-
-
-##################### 여기서부터 진행하시면 됩니다. #####################
-##################### 아래 12개 아이템(12. 장비 ACCD_FIND_MTD_CODE 제외)에 대해서 모든 아이템 조합에 알고리즘 적용하기#####################
-
-# It should be 13 columns in total
-
-# 1. 기관 INST_NM
-# 2. 공격 DRULE_ATT_TYPE_CODE1
-# 3. 자산 ASSETS_VAL
-# 4. 위협공격ip TW_ATT_IP
-# 5. 위협공격port TW_ATT_PORT
-# 6. 위협피해ip TW_DMG_IP
-# 7. 위협피해port TW_DMG_PORT
-# 8. 위협피해프로토콜 ACCD_DMG_PROTO_NM
-# 9. 공격국가 TW_ATT_CT_NM
-# 10. 의도(7개) INTENT_VAL
-# 11. IP/URL 가중치 SOURCE_VAL
-# 12. 장비 ACCD_FIND_MTD_CODE
-# 13. 탐지규칙명 DRULE_NM
-
-
-# In[363]:
-NTM_df.isna().sum()
-
-
-# Change the Nan to zero
-NTM_df['ACCD_DMG_PROTO_NM']=NTM_df['ACCD_DMG_PROTO_NM'].replace(np.nan,'')
-NTM_df['INST_NM']=NTM_df['INST_NM'].replace(np.nan,'')
-NTM_df['DRULE_ATT_TYPE_CODE1']=NTM_df['DRULE_ATT_TYPE_CODE1'].replace(np.nan,'')
-NTM_df['TW_ATT_IP']=NTM_df['TW_ATT_IP'].replace(np.nan,0)
-NTM_df['TW_ATT_PORT']=NTM_df['TW_ATT_PORT'].replace(np.nan,0)
-NTM_df['TW_DMG_IP']=NTM_df['TW_DMG_IP'].replace(np.nan,0)
-NTM_df['TW_DMG_PORT']=NTM_df['TW_DMG_PORT'].replace(np.nan,0)
-NTM_df['TW_ATT_CT_NM']=NTM_df['TW_ATT_CT_NM'].replace(np.nan,'')
-NTM_df['ASSETS_VAL']=NTM_df['ASSETS_VAL'].replace(np.nan,0)
-NTM_df['INTENT_VAL']=NTM_df['INTENT_VAL'].replace(np.nan,0)
-NTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].replace(np.nan,0)
-NTM_df['DRULE_NM']=NTM_df['DRULE_NM'].replace(np.nan,'')
-
-
-# Check NaN out again
-NTM_df.isna().sum()
-
-
-# In[5]:
-
-
-# NTM_df의 col을 list로 저장. itertools.combinations로 가능한 시나리오 모두 추출
-
-# ACCD_FIND_MTD_CODE col 지우기
-NTM_df.drop(columns=['ACCD_FIND_MTD_CODE'], inplace=True)
-
-
-# In[6]:
-
-
-# 12의 아이템 중 2개의 조합으로 만들어질 수 있는 모든 시나리오의 갯수 파악
-import itertools
-item_n=[]
-for i in range(2,7):
-    temp = itertools.combinations(NTM_df.columns.tolist(), i)
-    item_n.append(list(temp))
-
-#12C4부터 495개의 데이터를 저장하는데에 소요되는 시간이 너무 커서 단순 반복문 사용은 적합하지 않음.
-for i in range(len(item_n)):
-    print("12C" + str(i+2)+" = "+str(len(item_n[i])))
-
-
-# In[7]:
-
-
-from prefixspan import PrefixSpan
-
-# arr를 매개변수로 받아 n개의 아이템의 조합 반환
-def get_combination(arr, n):
-    combination_n = list(itertools.combinations(arr.columns.tolist(),n))
-    com_list=[]
-    # row i 의 (1,2),(1,3)... 이런식으로 하니까 시간 너무 오래걸림
-    # (1,2) 조합에 대한 row i, row i+1, row i+2... 이렇게 바꿈
-    for m in range(len(combination_n[n-2])):
-        for i in range(len(arr)):
-            tmp_list=[]
-            temp_df = arr.iloc[i]
-            for col in combination_n[m]:
-                tmp_list.append(temp_df[col])
-            com_list.append(tmp_list)
-    return com_list
-
-def get_prefixspan(n, load_list, save_list, save_df):
-    save_list = PrefixSpan(load_list)
-    #n개 아이템 조합으로 이루어졌는데 n보다 작은 갯수의 아이템으로 이루어진 prefixspan 결과 값 나옴 
-    # 방지하기 위해 prefixspan의 결과값에는 'n개의 아이템의 값'이 다 들어가도록 filter 설정
-    save_list = save_list.frequent(1,filter = lambda patt, matches:len(patt)>n)
-    save_df = pd.DataFrame(save_list)
-    save_df.rename(columns={0:'Frequency',1:'Cause'},inplace=True)
-    save_df = save_df.sort_values(by=['Frequency'],ascending=False,ignore_index=True)
-    save_df = get_effect(save_df)
-    return save_df
-
-def get_effect(edit_df):
-    #Make the new column for filling the Effect
-    edit_df['Effect']=np.nan
-     #Change the order of columns
-    edit_df=edit_df[['Cause','Effect','Frequency']]
-    for i in range(len(edit_df)):
-        drules=['Attack','DDOS','HACK','MAIL','Malwr','WEB']
-        loc_value = edit_df.loc[i]
-        for item in loc_value['Cause']:
-            for drule in drules:
-                if item == drule:
-                    edit_df.loc[i,'Effect'] = item
-    return edit_df
-
-
-# In[8]:
-
-
-# 1. 두 아이템의 조합
-item_of_two = get_combination(NTM_df,2)
-prefix_two=[]
-prefix_two_df = pd.DataFrame()
-prefix_of_two = get_prefixspan(1, item_of_two, prefix_two, prefix_two_df)
-prefix_of_two.to_csv('prefix_of_two.csv',sep=',')
-
-
-# In[9]:
-
-
-# 2. 세 아이템의 조합
-item_of_three = get_combination(NTM_df, 3)
-prefix_three_tmp=[]
-prefix_three_df = pd.DataFrame()
-prefix_of_three = get_prefixspan(2, item_of_three, prefix_three_tmp, prefix_three_df)
-prefix_of_three
-
-
-# In[ ]:
-
-
-
-
-
-# In[10]:
-
-
-# 3. 네 아이템의 조합
-item_of_four = get_combination(NTM_df, 4)
-prefix_four_tmp=[]
-prefix_four_df = pd.DataFrame()
-prefix_of_four = get_prefixspan(3, item_of_four, prefix_four_tmp, prefix_four_df)
-
-
-# In[11]:
-
-
-# 4. 다섯 아이템의 조합
-item_of_five = get_combination(NTM_df, 5)
-prefix_five_tmp=[]
-prefix_five_df = pd.DataFrame()
-prefix_of_five = get_prefixspan(4, item_of_five, prefix_five_tmp, prefix_five_df)
-prefix_of_five
-
-
-# In[12]:
-
-
-# 5. 여섯 아이템의 조합
-item_of_six = get_combination(NTM_df, 6)
-prefix_six_tmp=[]
-prefix_six_df = pd.DataFrame()
-prefix_of_six = get_prefixspan(5, item_of_six, prefix_six_tmp, prefix_six_df)
-prefix_of_six
-##################### NTM section End #####################
-
-
-# In[13]:
-
-
-##################### MTM section #####################
-# Same goes for the MTM section
-
-# In[375]:
-
-
-MTM_df=df[df['ACCD_FIND_MTD_CODE']==2]
-len(MTM_df)
-
-
-# In[376]:
-
-
-# Pick out it in order to get the asset, risk, intent, black IP out
-RISK_V2_MTM=MTM_df['RISK_V2']
-
-RISK_V2_FILTERED_MTM=RISK_V2_MTM.dropna()
-print(RISK_V2_MTM.size)
-print(RISK_V2_FILTERED_MTM.size)
-
-risk_df_MTM = pd.DataFrame()
-for newVal_MTM in RISK_V2_FILTERED_MTM:
-    newVal_MTM = newVal_MTM.replace("'", "\"")
-    newVal_MTM_str = json.loads(newVal_MTM)
-    newVal_df_MTM = json_normalize(newVal_MTM_str) 
-    risk_df_MTM = pd.concat([risk_df_MTM,newVal_df_MTM],ignore_index=True) 
-    
-risk_df_col_MTM = risk_df_MTM.columns.values.tolist()
-
-# In[377]:
-
-
-asset_val_MTM = []
-intent_val_MTM=[]
-source_val_MTM=[]
-
-def filter_assets_value_MTM(risk):
-    for i in range(len(risk)):
-        risks=[]
-        intents=[]
-        sources=[]
-        try:
-            for key in risk_df_col:
-                if 'ASSETS_VAL_' in key and risk.iloc[i][key]:
-                    risk_key_desc = 'RISK_V2.' + key + '=' + get_asset_desc(key)
-                    risks.append(risk_key_desc)
-                if 'INTENT_VAL_' in key and risk.iloc[i][key]:
-                    intent_key_desc = 'RISK_V2.' + key + '=' + get_intent_desc(key)
-                    intents.append(intent_key_desc)
-                if 'SOURCE_VAL_' in key and risk.iloc[i][key]:
-                    source_key_desc='RISK_V2.' + key + '=' + get_source_desc(key)
-                    sources.append(source_key_desc)
-        except:
-            print(risk)
-            print(type(risk))
-        finally:
-            asset_val_MTM.append(risks)
-            intent_val_MTM.append(intents)
-            source_val_MTM.append(sources)
-
-# In[378]:
-
-# modified
-def get_asset_desc_MTM(asset_field):
-    if asset_field == 'ASSETS_VAL_1':
-        return '공인-전체IP대역(유선)'
-    elif asset_field == 'ASSETS_VAL_2':
-        return '공인-전체IP대역(무선)'
-    elif asset_field == 'ASSETS_VAL_3':
-        return '공인-WEB서버'
-    elif asset_field == 'ASSETS_VAL_4':
-        return '공인-내부응용서버'
-    elif asset_field == 'ASSETS_VAL_5':
-        return '공인-DB서버'
-    elif asset_field == 'ASSETS_VAL_6':
-        return '공인-패치서버'
-    elif asset_field == 'ASSETS_VAL_7':
-        return '공인-네트워크'
-    elif asset_field == 'ASSETS_VAL_8':
-        return '공인-보안'
-    elif asset_field == 'ASSETS_VAL_9':
-        return '공인-업무용PC'
-    elif asset_field == 'ASSETS_VAL_10':
-        return '공인-비업무용PC'
-    elif asset_field == 'ASSETS_VAL_11':
-        return '공인-기타'
-    elif asset_field == 'ASSETS_VAL_12':
-        return '사설-전체IP대역(유선)'
-    elif asset_field == 'ASSETS_VAL_13':
-        return '사설-전체IP대역(무선)'
-    elif asset_field == 'ASSETS_VAL_14':
-        return '사설-WEB서버'
-    elif asset_field == 'ASSETS_VAL_15':
-        return '사설-내부응용서버'
-    elif asset_field == 'ASSETS_VAL_16':
-        return '사설-DB서버'
-    elif asset_field == 'ASSETS_VAL_17':
-        return '사설-패치서버'
-    elif asset_field == 'ASSETS_VAL_18':
-        return '사설-네트워크'
-    elif asset_field == 'ASSETS_VAL_19':
-        return '사설-보안'
-    elif asset_field == 'ASSETS_VAL_20':
-        return '사설-업무용PC'
-    elif asset_field == 'ASSETS_VAL_21':
-        return '사설-비업무용PC'
-    elif asset_field == 'ASSETS_VAL_22':
-        return '사설-기타'
-    else:
-        return ''
-
-
-# In[381]:
-
-
-# modified
-def filter_intent_MTM(intent):
-    intents=[]
-    for intent_key in intent:
-        if 'INTENT_VAL_' in intent_key and intent[intent_key]:
-            intent_key_desc = 'RISK_V2.' + intent_key + '=' + get_intent_desc(intent_key)
-            intents.append(intent_key_desc)
-    return intents
-
-
-# In[382]:
-
-
-def get_intent_desc_MTM(intent_field):
-    if intent_field == 'INTENT_VAL_1':
-        return '파괴'
-    elif intent_field == 'INTENT_VAL_2':
-        return '유출'
-    elif intent_field == 'INTENT_VAL_3':
-        return '지연'
-    elif intent_field == 'INTENT_VAL_4':
-        return '잠복'
-    elif intent_field == 'INTENT_VAL_5':
-        return '단순침입'
-    elif intent_field == 'INTENT_VAL_6':
-        return 'MD5'
-    elif intent_field == 'INTENT_VAL_0':
-        return 'Default'
-    else:
-        return ''
-
-
-
-# In[384]:
-
-
-# modified
-def filter_source_MTM(source):
-    sources=[]
-    for source_key in source:
-        if 'SOURCE_VAL_' in source_key and source[source_key]:
-            source_key_desc='RISK_V2.' + source_key + '=' + get_source_desc(source_key)
-            sources.append(source_key_desc)
-    return sources
-
-
-# In[385]:
-
-
-def get_source_desc_MTM(source_field):
-    if source_field=='SOURCE_VAL_1':
-        return '북한IP'
-    if source_field=='SOURCE_VAL_3':
-        return 'ECSC Black IP'
-    else:
-        return ''
-
-
-# In[386]:
-
-filter_assets_value(risk_df_MTM)
-#뒤에 isna()를 통해 na값을 0으로 바꿔주는 작업을 하므로, 값이 비어있는 경우 [] 대신 비워두기
-# New assets column
-MTM_df['ASSETS_VAL']= asset_val_MTM
-MTM_df['ASSETS_VAL']=MTM_df['ASSETS_VAL'].astype(str)
-MTM_df['ASSETS_VAL']=MTM_df['ASSETS_VAL'].str.replace('[','', regex=False)
-MTM_df['ASSETS_VAL']=MTM_df['ASSETS_VAL'].str.replace(']','', regex=False)
-MTM_df[:1]
-# New column of intent value
-MTM_df['INTENT_VAL']=intent_val_MTM
-MTM_df['INTENT_VAL']=MTM_df['INTENT_VAL'].astype(str)
-MTM_df['INTENT_VAL']=MTM_df['INTENT_VAL'].str.replace('[','',regex=False)
-MTM_df['INTENT_VAL']=MTM_df['INTENT_VAL'].str.replace(']','',regex=False)
-MTM_df[:1]
-# New column of SOURCE_VAL value
-MTM_df['SOURCE_VAL']=source_val_NTN
-MTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].astype(str)
-MTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].str.replace('[','',regex=False)
-MTM_df['SOURCE_VAL']=NTM_df['SOURCE_VAL'].str.replace(']','',regex=False)
-MTM_df[:5]
-
-# In[361]:
-MTM_df.drop(columns=['RISK_V2'], inplace=True)
-MTM_df.columns
-
-
-# In[388]:
-
-
-MTM_df.isna().sum()
-
-
-# In[389]:
-
-
-# Change the Nan to zero
-MTM_df['ACCD_DMG_PROTO_NM']=MTM_df['ACCD_DMG_PROTO_NM'].replace(np.nan,'')
-MTM_df['INST_NM']=MTM_df['INST_NM'].replace(np.nan,'')
-MTM_df['DRULE_ATT_TYPE_CODE1']=MTM_df['DRULE_ATT_TYPE_CODE1'].replace(np.nan,'')
-MTM_df['TW_ATT_IP']=MTM_df['TW_ATT_IP'].replace(np.nan,0)
-MTM_df['TW_ATT_PORT']=MTM_df['TW_ATT_PORT'].replace(np.nan,0)
-MTM_df['TW_DMG_IP']=MTM_df['TW_DMG_IP'].replace(np.nan,0)
-MTM_df['TW_DMG_PORT']=MTM_df['TW_DMG_PORT'].replace(np.nan,0)
-MTM_df['TW_ATT_CT_NM']=MTM_df['TW_ATT_CT_NM'].replace(np.nan,'')
-MTM_df['ASSETS_VAL']=MTM_df['ASSETS_VAL'].replace(np.nan,0)
-MTM_df['INTENT_VAL']=MTM_df['INTENT_VAL'].replace(np.nan,0)
-MTM_df['SOURCE_VAL']=MTM_df['SOURCE_VAL'].replace(np.nan,0)
-MTM_df['DRULE_NM']=MTM_df['DRULE_NM'].replace(np.nan,'')
-
-
-# In[390]:
-
-
-# Check NaN out again
-MTM_df.isna().sum()
-
-
-# In[391]:
-
-# ACCD_FIND_MTD_CODE col 지우기
-MTM_df.drop(columns=['ACCD_FIND_MTD_CODE'], inplace=True)
-
-# arr를 매개변수로 받아 n개의 아이템의 조합 반환
-def get_combination_MTM(arr, n):
-    combination_n = list(itertools.combinations(arr.columns.tolist(),n))
-    com_list=[]
-    # row i 의 (1,2),(1,3)... 이런식으로 하니까 시간 너무 오래걸림
-    # (1,2) 조합에 대한 row i, row i+1, row i+2... 이렇게 바꿈
-    for m in range(len(combination_n[n-2])):
-        for i in range(len(arr)):
-            tmp_list=[]
-            temp_df = arr.iloc[i]
-            for col in combination_n[m]:
-                tmp_list.append(temp_df[col])
-            com_list.append(tmp_list)
-    return com_list
-
-def get_prefixspan_MTM(n, load_list, save_list, save_df):
-    save_list = PrefixSpan(load_list)
-    #n개 아이템 조합으로 이루어졌는데 n보다 작은 갯수의 아이템으로 이루어진 prefixspan 결과 값 나옴 
-    # 방지하기 위해 prefixspan의 결과값에는 'n개의 아이템의 값'이 다 들어가도록 filter 설정
-    save_list = save_list.frequent(1,filter = lambda patt, matches:len(patt)>n)
-    save_df = pd.DataFrame(save_list)
-    save_df.rename(columns={0:'Frequency',1:'Cause'},inplace=True)
-    save_df = save_df.sort_values(by=['Frequency'],ascending=False,ignore_index=True)
-    save_df = get_effect(save_df)
-    return save_df
-
-def get_effect_MTM(edit_df):
-    #Make the new column for filling the Effect
-    edit_df['Effect']=np.nan
-     #Change the order of columns
-    edit_df=edit_df[['Cause','Effect','Frequency']]
-    for i in range(len(edit_df)):
-        drules=['Attack','DDOS','HACK','MAIL','Malwr','WEB']
-        loc_value = edit_df.loc[i]
-        for item in loc_value['Cause']:
-            for drule in drules:
-                if item == drule:
-                    edit_df.loc[i,'Effect'] = item
-    return edit_df
-
-# 1. 두 아이템의 조합
-item_of_two_MTM = get_combination(MTM_df,2)
-prefix_two_MTM=[]
-prefix_two_df_MTM = pd.DataFrame()
-prefix_of_two_MTM = get_prefixspan(1, item_of_two_MTM, prefix_two_MTM, prefix_two_d_MTMf)
-prefix_of_two_MTM
-
-# 2. 세 아이템의 조합
-item_of_three_MTM = get_combination(MTM_df, 3)
-prefix_three_tmp_MTM=[]
-prefix_three_df_MTM = pd.DataFrame()
-prefix_of_three_MTM = get_prefixspan(2, item_of_three_MTM, prefix_three_tmp_MTM, prefix_three_df_MTM)
-prefix_of_three_MTM
-
-# 3. 네 아이템의 조합
-item_of_four_MTM = get_combination(MTM_df, 4)
-prefix_four_tmp_MTM=[]
-prefix_four_df_MTM = pd.DataFrame()
-prefix_of_four_MTM = get_prefixspan(3, item_of_four_MTM, prefix_four_tmp_MTM, prefix_four_df_MTM)
-
-# 4. 다섯 아이템의 조합
-item_of_five_MTM = get_combination(MTM_df, 5)
-prefix_five_tmp_MTM=[]
-prefix_five_df_MTM = pd.DataFrame()
-prefix_of_five_MTM = get_prefixspan(4, item_of_five_MTM, prefix_five_tmp_MTM, prefix_five_df_MTM)
-prefix_of_five_MTM
-
-# 5. 여섯 아이템의 조합
-item_of_six_MTM = get_combination(MTM_df, 6)
-prefix_six_tmp_MTM=[]
-prefix_six_df_MTM = pd.DataFrame()
-prefix_of_six_MTM = get_prefixspan(5, item_of_six_MTM, prefix_six_tmp_MTM, prefix_six_df_MTM)
-prefix_of_six_MTM
-
-##################### MTM section End #####################
-
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