Curso-lenguaje-python/python-ofensivo/14_escaneres_red/02_network_scanner_arp.py

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# /usr/bin/env python3
"""
Escaner de red ARP
"""
import scapy.all as scapy
import argparse
def get_arguments():
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"""
Obtiene los argumentos de la línea de comandos
"""
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parser = argparse.ArgumentParser(description='Escaner de red ARP')
parser.add_argument(
'-t', '--target',
required=True, dest='target',
help='Host / IP range. ex: 192.168.1.1 or 192.168.1.0/24'
)
args = parser.parse_args()
return args.target
def scan(ip):
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"""
Escanea la red en busca de hosts
"""
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arp_packet = scapy.ARP(pdst=ip)
broadcast_packet = scapy.Ether(dst='ff:ff:ff:ff:ff:ff')
arp_packet = broadcast_packet/arp_packet # / es un operador de composición
answered, unanswered = scapy.srp(arp_packet, timeout=1, verbose=False)
response = answered.summary()
if response:
print(response)
def main():
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"""
Función principal
"""
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target = get_arguments()
scan(target)
if __name__ == '__main__':
main()