import shodan import sys import argparse import netaddr KEY = '' api = shodan.Shodan(KEY) def lookup_ip(ip): print(ip) print('=' * len(ip)) try: host = api.host(ip) print('Operating System: {0}'.format(host.get('os', ''))) print('Hostnames: {0}'.format(', '.join(host.get('hostnames', [])))) print('Ports: {0}'.format(', '.join([str(p) for p in host['ports']]))) print('Vulns: {0}'.format(', '.join(host.get('vulns', [])))) print() except shodan.APIError as e: print('API Error: {0}\n'.format(e)) if name == 'main': #Parse command line arguments using argparse desc = """ This script will query the Shodan API and return a list of open ports on the specified IP addresses. The IP address(es) to check can be given as a single IP, a range of IPs, or in CIDR notation. """ parser = argparse.ArgumentParser(description=desc) ipgroup = parser.add_mutually_exclusive_group(required=True) ipgroup.add_argument('-i', action='store', default=None,) metavar="IP", help='A single IP address. ex: 192.168.1.1') ipgroup.add_argument('-r', action='store', default=None, metavar="IP", nargs=2, help='A start and end IP address. ex: 192.168.1.1 192.168.1.10') ipgroup.add_argument('-c', action='store', default=None, metavar="CIDR", help='A range of IPs in CIDR notation. ex: 192.168.1.0/24') args = parser.parse_args() network = None try: if args.i is not None: lookup_ip(args.i) elif args.r is not None: start, end = args.r range = netaddr.IPRange(start, end) ips = [] for c in range.cidrs(): ips.extend(c) for ip in sorted(set(ips)): lookup_ip(str(ip)) else: for ip in netaddr.IPNetwork(args.c): lookup_ip(str(ip)) except netaddr.AddrFormatError as e: print('Address Error: {0}.\n'.format(str(e))) parser.print_help() sys.exit(1) Analyze this script and see what it does. Can you be able to determine what program/module the script is using to parse the Information of IP's you are scanning?

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Related questions

Question

import shodan
import sys
import argparse
import netaddr

KEY = ''
api = shodan.Shodan(KEY)

def lookup_ip(ip):
print(ip)
print('=' * len(ip))

try:
host = api.host(ip)
print('Operating System: {0}'.format(host.get('os', '')))
print('Hostnames: {0}'.format(', '.join(host.get('hostnames', []))))
print('Ports: {0}'.format(', '.join([str(p) for p in host['ports']])))
print('Vulns: {0}'.format(', '.join(host.get('vulns', []))))
print()

except shodan.APIError as e:
print('API Error: {0}\n'.format(e))

if __name__ == '__main__':
#Parse command line arguments using argparse
desc = """
This script will query the Shodan API and return a list of open ports on the
specified IP addresses. The IP address(es) to check can be given as a single
IP, a range of IPs, or in CIDR notation.
"""
parser = argparse.ArgumentParser(description=desc)
ipgroup = parser.add_mutually_exclusive_group(required=True)
ipgroup.add_argument('-i', action='store', default=None,)
metavar="IP",
help='A single IP address. ex: 192.168.1.1')
ipgroup.add_argument('-r', action='store', default=None,
metavar="IP", nargs=2,
help='A start and end IP address. ex: 192.168.1.1 192.168.1.10')
ipgroup.add_argument('-c', action='store', default=None,
metavar="CIDR",
help='A range of IPs in CIDR notation. ex: 192.168.1.0/24')

args = parser.parse_args()

network = None
try:
if args.i is not None:
lookup_ip(args.i)

elif args.r is not None:
start, end = args.r
range = netaddr.IPRange(start, end)

ips = []
for c in range.cidrs():
ips.extend(c)

for ip in sorted(set(ips)):
lookup_ip(str(ip))

else:
for ip in netaddr.IPNetwork(args.c):
lookup_ip(str(ip))

except netaddr.AddrFormatError as e:
print('Address Error: {0}.\n'.format(str(e)))
parser.print_help()
sys.exit(1)

Analyze this script and see what it does. Can you be able to determine what program/module the script is using to parse the Information of IP's you are scanning?

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