How to read and write pcap messages to txt

Today, I will talk to you about how to read pcap email and write it to txt. Many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

# coding=utf-8

Import string

Import urllib

Import json

From scapy.all import *

Import re

Readfile = input ("Please enter the file name to be analyzed:")

Mail_port=input ("Please enter the type of mail you want to parse (IMAP input 143Magi SMTP input 25pm POP3 input 110):)

Savefile=input ("Please enter the file name you want to save:")

Dpkt1=list ()

Dpkt2=list ()

Dpkt = rdpcap (readfile)

Print (dpkt)

Sessions = dpkt.sessions ()

Print (sessions)

For session in sessions:

Payload = baked'# the payload of one HTTP POST

For packet in sessions [session]:

Try:

# if packet ['TCP'] .dport = = int (mail_port):

For data packet dpkt2.append (str (packet [TCP] .window) print (dpkt2) except: pass

String=''.join (dpkt2)

# string=str (dpkt2)

String=string.replace ("\ r\ n", "")

String=string.replace ("\ t", "")

String=string.replace ("'b'", "")

String=string.replace (",")

Dlist=list ()

DNumb=0

I, 1

A=len (dpkt2)

Print (string)

From = '.join (re.findall (u "From: (.com >)", string))

To=''.join (re.findall (u "To: (,?? com? >)", string))

Cc=''.join (re.findall (u "Cc: (,?? com >)", string))

Bcc=''.join (re.findall (u "Bcc: (,?? com >)", string))

Subject=''.join (re.findall (u "Subject: ([A-Za-z0-9] +) X-Priority", string))

Content =''.join (re.findall (u "base64 ([A-Za-z0-9 impulse +] +) -", string)

AttachName ='. Join (re.findall (u "filename= (\".?\ ")", string)

Attach =''.join (re.findall (u "filename=\".?\ "([A-Za-z0-9 impulse +] +)--", string)

Dict= {"From": From, "To": To, "Cc": Cc, "Bcc": Bcc, "Subject": Subject, "Content": base64.b64decode (Content), "AttachName": AttachName, "Attach": Attach}

Dlist.append (dict)

DNumb=dNumb+1

F = open (savefile, "w +")

For i in range (dNumb): # turns out to be dnmb

# f.write (to)

# f.write (str (dlist [I]) + "\ r\ n")

# print (dlist [I])

For key,value in dlist [I] .items ():

Print ('{key}: {value} '.format (key = key, value = value))

F.write (str ('{key}: {value} '.format (key = key, value = value)) + "\ r\ n")

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