Nmap-XML-to-CSV/nmap_xml_parser.py
2018-07-23 20:33:37 -05:00

316 lines
12 KiB
Python

#!/usr/bin/env python3
__author__ = 'Jake Miller (@LaconicWolf)'
__date__ = '20171220'
__version__ = '0.01'
__description__ = """Parses the XML output from an nmap scan. The user
can specify whether the data should be printed,
displayed as a list of IP addresses, or output to
a csv file. Will append to a csv if the filename
already exists
"""
import xml.etree.ElementTree as etree
import os
import csv
import argparse
from collections import Counter
from time import sleep
def get_xml_root(xml):
"""Parses an xml file and returns the tree."""
try:
tree = etree.parse(xml)
except Exception as error:
print("[-] A an error occurred. The XML may not be well formed. Please review the error and try again: {}".format(error))
exit()
return tree.getroot()
def get_host_data(root):
"""Traverses the xml tree and build lists of scan information
and returns a list of lists.
"""
host_data = []
hosts = root.findall('host')
for host in hosts:
addr_info = []
# Ignore hosts that are not 'up'
if not host.findall('status')[0].attrib['state'] == 'up':
continue
# Get IP address and host info. If no hostname, then ''
ip_address = host.findall('address')[0].attrib['addr']
host_name_element = host.findall('hostnames')
try:
host_name = host_name_element[0].findall('hostname')[0].attrib['name']
except IndexError:
host_name = ''
# If we only want the IP addresses from the scan, stop here
if args.ip_addresses:
addr_info.extend((ip_address, host_name))
host_data.append(addr_info)
continue
# Get the OS information if available, else ''
try:
os_element = host.findall('os')
os_name = os_element[0].findall('osmatch')[0].attrib['name']
except IndexError:
os_name = ''
# Get information on ports and services
try:
port_element = host.findall('ports')
ports = port_element[0].findall('port')
for port in ports:
port_data = []
# Ignore ports that are not 'open'
if not port.findall('state')[0].attrib['state'] == 'open':
continue
proto = port.attrib['protocol']
port_id = port.attrib['portid']
service = port.findall('service')[0].attrib['name']
try:
product = port.findall('service')[0].attrib['product']
except (IndexError, KeyError):
product = ''
try:
servicefp = port.findall('service')[0].attrib['servicefp']
except (IndexError, KeyError):
servicefp = ''
try:
script_id = port.findall('script')[0].attrib['id']
except (IndexError, KeyError):
script_id = ''
try:
script_output = port.findall('script')[0].attrib['output']
except (IndexError, KeyError):
script_output = ''
# Create a list of the port data
port_data.extend((ip_address, host_name, os_name, proto, port_id, service, product, servicefp, script_id, script_output))
# Add the port data to the host data
host_data.append(port_data)
# If no port information, just create a list of host information
except IndexError:
addr_info.extend((ip_address, host_name))
host_data.append(addr_info)
return host_data
def parse_xml(filename):
"""Calls functions to read the xml and extract elements and values."""
root = get_xml_root(filename)
return get_host_data(root)
def parse_to_csv(data):
"""Accepts a list and adds the items to (or creates) a CSV file."""
if not os.path.isfile(csv_name):
csv_file = open(csv_name, 'w', newline='')
csv_writer = csv.writer(csv_file)
top_row = ['IP', 'Host', 'OS', 'Proto', 'Port', 'Service', 'Product', 'Service FP', 'NSE Script ID', 'NSE Script Output', 'Notes']
csv_writer.writerow(top_row)
print('\n[+] The file {} does not exist. New file created!\n'.format(csv_name))
else:
try:
csv_file = open(csv_name, 'a', newline='')
except PermissionError as e:
print("\n[-] Permission denied to open the file {}. Check if the file is open and try again.\n".format(csv_name))
print("Print data to the terminal:\n")
if args.debug:
print(e)
for item in data:
print(' '.join(item))
exit()
csv_writer = csv.writer(csv_file)
print('\n[+] {} exists. Appending to file!\n'.format(csv_name))
for item in data:
csv_writer.writerow(item)
csv_file.close()
def list_ip_addresses(data):
"""Parses the input data to display only the IP address information"""
ip_list = [item[0] for item in data]
sorted_set = sorted(set(ip_list))
addr_list = [ip for ip in sorted_set]
return addr_list
def print_web_ports(data):
"""Examines the port information and prints out the IP and port
info in URL format (https://ipaddr:port/).
"""
# http and https port numbers came from experience as well as
# searching for http on th following website:
# https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
http_port_list = ['80', '280', '81', '591', '593', '2080', '2480', '3080',
'4080', '4567', '5080', '5104', '5800', '6080',
'7001', '7080', '7777', '8000', '8008', '8042', '8080',
'8081', '8082', '8088', '8180', '8222', '8280', '8281',
'8530', '8887', '9000', '9080', '9090', '16080']
https_port_list = ['832', '981', '1311', '7002', '7021', '7023', '7025',
'7777', '8333', '8531', '8888']
for item in data:
ip = item[0]
port = item[4]
if port.endswith('43') and port != "143" or port in https_port_list:
print("https://{}:{}".format(ip, port))
elif port in http_port_list:
print("http://{}:{}".format(ip, port))
else:
continue
def least_common_ports(data, n):
"""Examines the port index from data and prints the least common ports."""
c = Counter()
for item in data:
try:
port = item[4]
c.update([port])
except IndexError as e:
if args.debug:
print(e)
continue
print("{0:8} {1:15}\n".format('PORT', 'OCCURENCES'))
for p in c.most_common()[:-n-1:-1]:
print("{0:5} {1:8}".format(p[0], p[1]))
def most_common_ports(data, n):
"""Examines the port index from data and prints the most common ports."""
c = Counter()
for item in data:
try:
port = item[4]
c.update([port])
except IndexError as e:
if args.debug:
print(e)
continue
print("{0:8} {1:15}\n".format('PORT', 'OCCURENCES'))
for p in c.most_common(n):
print("{0:5} {1:8}".format(p[0], p[1]))
def print_filtered_port(data, filtered_port):
"""Examines the port index from data and see if it matches the
filtered_port. If it matches, print the IP address.
"""
for item in data:
try:
port = item[4]
except IndexError as e:
if args.debug:
print(e)
continue
if port == filtered_port:
print(item[0])
def print_data(data):
"""Prints the data to the terminal."""
for item in data:
print(' '.join(item))
def main():
"""Main function of the script."""
for filename in args.filename:
# Checks the file path
if not os.path.exists(filename):
parser.print_help()
print("\n[-] The file {} cannot be found or you do not have permission to open the file.".format(filename))
continue
if not args.skip_entity_check:
# Read the file and check for entities
with open(filename) as fh:
contents = fh.read()
if '<!entity' in contents.lower():
print("[-] Error! This program does not permit XML entities. Ignoring {}".format(filename))
print("[*] Use -s (--skip_entity_check) to ignore this check for XML entities.")
continue
data = parse_xml(filename)
if not data:
print("[*] Zero hosts identitified as 'Up'. Exiting.")
exit()
if args.csv:
parse_to_csv(data)
if args.ip_addresses:
addrs = list_ip_addresses(data)
for addr in addrs:
print(addr)
if args.print_all:
print_data(data)
if args.filter_by_port:
print_filtered_port(data, args.filter_by_port)
if args.print_web_ports:
print_web_ports(data)
if args.least_common_ports:
print("\n{} LEAST COMMON PORTS".format(filename.upper()))
least_common_ports(data, args.least_common_ports)
if args.most_common_ports:
print("\n{} MOST COMMON PORTS".format(filename.upper()))
most_common_ports(data, args.most_common_ports)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("-d", "--debug",
help="Display error information",
action="store_true")
parser.add_argument("-s", "--skip_entity_check",
help="Skip the check for XML entities",
action="store_true")
parser.add_argument("-p", "--print_all",
help="Display scan information to the screen",
action="store_true")
parser.add_argument("-pw", "--print_web_ports",
help="Display IP addresses/ports in URL format (http://ipaddr:port)",
action="store_true")
parser.add_argument("-ip", "--ip_addresses",
help="Display a list of ip addresses",
action="store_true")
parser.add_argument("-csv", "--csv",
nargs='?', const='scan.csv',
help="Specify the name of a csv file to write to. If the file already exists it will be appended")
parser.add_argument("-f", "--filename",
nargs='*',
help="Specify a file containing the output of an nmap scan in xml format.")
parser.add_argument("-lc","--least_common_ports",
type=int,
help="Displays the least common open ports.")
parser.add_argument("-mc", "--most_common_ports",
type=int,
help="Displays the most common open ports.")
parser.add_argument("-fp", "--filter_by_port",
help="displays the IP addresses that are listenting on a specified port")
args = parser.parse_args()
if not args.filename:
parser.print_help()
print("\n[-] Please specify an input file to parse. Use -f <nmap_scan.xml> to specify the file\n")
exit()
if not args.ip_addresses and not args.csv and not args.print_all and not args.print_web_ports \
and not args.least_common_ports and not args.most_common_ports and not args.filter_by_port:
parser.print_help()
print("\n[-] Please choose an output option. Use -csv, -ip, or -p\n")
exit()
csv_name = args.csv
main()