Bueno, navegando por la red, me topé con NMAP para Python.
se usaría igual
import nmap
La pueden descargar desde acá para versiones
3.X: http://xael.org/norman/python/python-nmap/python-nmap-0.2.2.tar.gz
Y de Acá para las
2.X :http://xael.org/norman/python/python-nmap/python-nmap-0.1.4.tar.gz
Luego descomprimir :
tar xvzf python-nmap-0.2.0.tar.gz
hacemos CD a la carpeta creada.
Luego
Una vez hecho esto podemos utilizarla así
import nmap
Algunos ejemplos de su uso :
>>> import nmap
>>> nm = nmap.PortScanner()
>>> nm.scan('127.0.0.1', '22-443')
>>> nm.command_line()
'nmap -oX - -p 22-443 -sV 127.0.0.1'
>>> nm.scaninfo()
{'tcp': {'services': '22-443', 'method': 'connect'}}
>>> nm.all_hosts()
['127.0.0.1']
>>> nm['127.0.0.1'].hostname()
'localhost'
>>> nm['127.0.0.1'].state()
'up'
>>> nm['127.0.0.1'].all_protocols()
['tcp']
>>> nm['127.0.0.1']['tcp'].keys()
[80, 25, 443, 22, 111]
>>> nm['127.0.0.1'].has_tcp(22)
True
>>> nm['127.0.0.1'].has_tcp(23)
False
>>> nm['127.0.0.1']['tcp'][22]
{'state': 'open', 'reason': 'syn-ack', 'name': 'ssh'}
>>> nm['127.0.0.1'].tcp(22)
{'state': 'open', 'reason': 'syn-ack', 'name': 'ssh'}
>>> nm['127.0.0.1']['tcp'][22]['state']
'open'
>>> for host in nm.all_hosts():
>>> print('----------------------------------------------------')
>>> print('Host : %s (%s)' % (host, nm[host].hostname()))
>>> print('State : %s' % nm[host].state())
>>> for proto in nm[host].all_protocols():
>>> print('----------')
>>> print('Protocol : %s' % proto)
>>>
>>> lport = nm[host][proto].keys()
>>> lport.sort()
>>> for port in lport:
>>> print ('port : %s\tstate : %s' % (port, nm[host][proto][port]['state']))
----------------------------------------------------
Host : 127.0.0.1 (localhost)
State : up
----------
Protocol : tcp
port : 22 state : open
port : 25 state : open
port : 80 state : open
port : 111 state : open
port : 443 state : open
>>> nm.scan(hosts='192.168.1.0/24', arguments='-n -sP -PE -PA21,23,80,3389')
>>> hosts_list = [(x, nm[x]['status']['state']) for x in nm.all_hosts()]
>>> for host, status in hosts_list:
>>> print('{0}:{1}'.format(host, status))
192.168.1.0:down
192.168.1.1:up
192.168.1.10:down
192.168.1.100:down
192.168.1.101:down
192.168.1.102:down
192.168.1.103:down
192.168.1.104:down
192.168.1.105:down
[...]
>>> nma = nmap.PortScannerAsync()
>>> def callback_result(host, scan_result):
>>> print '------------------'
>>> print host, scan_result
>>>
>>> nma.scan(hosts='192.168.1.0/30', arguments='-sP', callback=callback_result)
>>> while nma.still_scanning():
>>> print("Waiting >>>")
>>> nma.wait(2) # you can do whatever you want but I choose to wait after the end of the scan
>>>
192.168.1.1 {'nmap': {'scanstats': {'uphosts': '1', 'timestr': 'Mon Jun 7 11:31:11 2010', 'downhosts': '0', 'totalhosts': '1', 'elapsed': '0.43'}, 'scaninfo': {}, 'command_line': 'nmap -oX - -sP 192.168.1.1'}, 'scan': {'192.168.1.1': {'status': {'state': 'up', 'reason': 'arp-response'}, 'hostname': 'neufbox'}}}
------------------
192.168.1.2 {'nmap': {'scanstats': {'uphosts': '0', 'timestr': 'Mon Jun 7 11:31:11 2010', 'downhosts': '1', 'totalhosts': '1', 'elapsed': '0.29'}, 'scaninfo': {}, 'command_line': 'nmap -oX - -sP 192.168.1.2'}, 'scan': {'192.168.1.2': {'status': {'state': 'down', 'reason': 'no-response'}, 'hostname': ''}}}
------------------
192.168.1.3 {'nmap': {'scanstats': {'uphosts': '0', 'timestr': 'Mon Jun 7 11:31:11 2010', 'downhosts': '1', 'totalhosts': '1', 'elapsed': '0.29'}, 'scaninfo': {}, 'command_line': 'nmap -oX - -sP 192.168.1.3'}, 'scan': {'192.168.1.3': {'status': {'state': 'down', 'reason': 'no-response'}, 'hostname': ''}}}
Fuente(en inglés):http://xael.org/norman/python/python-nmap/
Saludos :D
Nmap es un escaneador de hosts muy bueno. Esta libreria hace posible su implementacion en Python. En Windows debes tener el interprete de Python instalado.