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https://github.com/byt3bl33d3r/MITMf.git
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7ec9f7b395
by using netfilterqueue, you can pass a filter using the new -F option, (will be adding an example later) additionaly removed some deprecated attributes and the --manual-iptables option
45 lines
No EOL
1.2 KiB
Python
45 lines
No EOL
1.2 KiB
Python
import threading
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from core.utils import set_ip_forwarding, iptables
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from core.logger import logger
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from scapy.all import *
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from traceback import print_exc
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from netfilterqueue import NetfilterQueue
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formatter = logging.Formatter("%(asctime)s [PacketParser] %(message)s", datefmt="%Y-%m-%d %H:%M:%S")
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log = logger().setup_logger("PacketParser", formatter)
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class PacketParser:
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def __init__(self, filter):
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self.filter = filter
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def start(self):
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set_ip_forwarding(1)
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iptables().NFQUEUE()
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self.nfqueue = NetfilterQueue()
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self.nfqueue.bind(1, self.modify)
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t = threading.Thread(name='packetparser', target=self.nfqueue.run)
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t.setDaemon(True)
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t.start()
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def modify(self, pkt):
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#log.debug("Got packet")
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data = pkt.get_payload()
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packet = IP(data)
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try:
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execfile(self.filter)
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except Exception:
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log.debug("Error occurred in filter")
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print_exc()
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pkt.set_payload(str(packet)) #set the packet content to our modified version
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pkt.accept() #accept the packet
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def stop(self):
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self.nfqueue.unbind()
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set_ip_forwarding(0)
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iptables().flush() |