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server_DFTP.py
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server_DFTP.py
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#! /usr/bin/env python
'''
This progam is the server portion of DFTP and it is the destination and storage of the exfiltrated data from a host using the DFTP client progam. The server looks and acts like a DNS server. Packets are UDP and look like DNS packets except for payload. This program is built to test DFIR response teams and DFIR tools.
'''
import socket
HOST = "127.0.0.1"
PORT = 5353
class Server:
def __init__():
pass
def start(HOST, PORT):
udp_service = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
udp_service.bind((HOST, PORT))
def buffer(data):
data, addr = udp_service.recvfrom(1024)
if data:
message_text_reassembler(data)
get_message_text()
else:
s.close()
input.remove(s)
def decode_message_identifier(data):
pass
def decrypt_message_payload(data):
pass
def store_decrypted_ojbect(data):
pass
def message_text_reassembler(data):
text_message.append(data)
print "Data %s added to text_message" % data
def get_message_text():
print "Here is the exfiltrated data so far"
time.sleep(1)
print text_message
def message_picture_reassembler(data):
pass
def message_music_reassembler(data):
pass
def message_file_reassembler(data):
pass
def message_pdf_reassembler(data):
pass
def message_excel_reassembler(data):
pass
def message_doc_reassembler(data):
pass
# manual testing protype
text_message = []
udp_service = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
udp_service.bind((HOST, PORT))
def message_text_reassembler(data):
text_message.append(data)
while True:
data, addr = udp_service.recvfrom(1024)
print data
#if data:
#print repr(data)
#data = data[0].strip()
#print "cleaned", repr(data)
#message_text_reassembler(data)
#print text_message
# buffer receives data
# write data to buffer
# output to screen appended data