def smart_check(self, grab_banner_nmap=False):
"""
Check if the target is reachable and update target info
:return: Boolean indicating status
"""
# If no IP, means that DNS lookup has failed
if not self.service.host.ip:
return False
# For HTTP: Check URL availability, grab headers, grab HTML title
if self.service.url:
is_reachable, status, resp_headers = WebUtils.is_url_reachable(self.service.url)
self.service.up = is_reachable
if resp_headers:
self.service.http_headers = '\n'.join("{}: {}".format(key,val) for (key,val) in resp_headers.items())
else:
self.service.http_headers = ''
self.service.comment = WebUtils.grab_html_title(self.service.url)
# For any other service: Simple port check
elif self.service.protocol == Protocol.TCP:
self.service.up = NetUtils.is_tcp_port_open(str(self.service.host.ip), self.service.port)
else:
self.service.up = NetUtils.is_udp_port_open(str(self.service.host.ip), self.service.port)
# Banner grabbing via Nmap (for TCP only) only if there is no banner already stored in db
if grab_banner_nmap and self.service.up and self.service.protocol == Protocol.TCP and not self.service.banner:
self.service.banner = NetUtils.grab_banner_nmap(str(self.service.host.ip), self.service.port)
return self.service.up
def add_service(self, ip, hostname, port, protocol, service):
protocol = {
'tcp': Protocol.TCP,
'udp': Protocol.UDP
}.get(protocol, Protocol.TCP)
matching_service = self.sqlsess.query(Service).join(Host).join(Mission)\
.filter(Mission.name == self.current_mission)\
.filter(Host.ip == ip)\
.filter(Service.port == int(port))\
.filter(Service.protocol == protocol).first()
if protocol == Protocol.TCP:
up = NetUtils.is_tcp_port_open(ip, port)
else:
up = NetUtils.is_udp_port_open(ip, port)
if matching_service:
logger.warning('Service already present into database')
else:
if up:
logger.info(
'Grabbing banner from {ip}:{port} with Nmap...'.format(
ip=ip, port=port))
banner = NetUtils.grab_banner_nmap(ip, port)
logger.info('Banner: {}'.format(banner or 'None'))
os = NetUtils.os_from_nmap_banner(banner)
if os:
logger.info('Detected Host OS: {}'.format(os))
else:
logger.warning('Port seems to be closed !')
# Add service in db (and host if not existing)
service = Service(name=service,
port=int(port),
protocol=protocol,
up=up,
banner=banner)
matching_host = self.sqlsess.query(Host).join(Mission)\
.filter(Mission.name == self.current_mission)\
.filter(Host.ip == ip).first()
new_host = Host(ip=ip, hostname=hostname, os=os)
if matching_host:
matching_host.merge(new_host)
self.sqlsess.commit()
service.host = matching_host
else:
mission = self.sqlsess.query(Mission).filter(
Mission.name == self.current_mission).first()
new_host.mission = mission
service.host = new_host
self.sqlsess.add(new_host)
self.sqlsess.add(service)
self.sqlsess.commit()
logger.success('Service added')
def __availability_check(self):
"""
Check if TCP/UDP port is open
Updated in this method:
- self.service.up
"""
if self.service.protocol == Protocol.TCP:
# For TCP: simple port check
self.service.up = NetUtils.is_tcp_port_open(
str(self.service.host.ip), self.service.port)
else:
# For UDP: simple port check
self.service.up = NetUtils.is_udp_port_open(
str(self.service.host.ip), self.service.port)
def smart_check(self,
reverse_dns=True,
availability_check=True,
grab_banner_nmap=False,
web_technos_detection=True):
"""
Check if the target is reachable and update target information
:param bool reverse_dns: Set to True to attempt performing reverse DNS lookup
when no hostname is specified (only IP)
:param bool availability_check: Set to True to check for availability of the
target, and also grab headers and HTML title for HTTP services
:param bool grab_banner_nmap: Set to True to grab the Nmap banner (for TCP)
:param bool web_technos_detection: Set to True to run WebTechnoDetector if
target service is HTTP
:return: Result of check
:rtype: bool
"""
# If no IP, means that DNS lookup has failed
if not self.service.host.ip:
return False
# Perform reverse DNS lookup if hostname not defined
# Note: If lookup fails, it fallbacks to IP
if reverse_dns:
if self.service.host.hostname == self.service.host.ip:
logger.info('Reverse DNS lookup for {ip}...'.format(
ip=str(self.service.host.ip)))
hostname = NetUtils.reverse_dns_lookup(self.service.host.ip)
if hostname != self.service.host.ip:
logger.info('{ip} -> {hostname}'.format(
ip=self.service.host.ip, hostname=hostname))
else:
logger.info('No DNS name found for IP')
self.service.host.hostname = hostname
# Perform availability check
if availability_check:
logger.info('Check if service is reachable...')
# For HTTP: Check URL availability, grab headers, grab HTML title
if self.service.url:
is_reachable, status, resp_headers = WebUtils.is_url_reachable(
self.service.url)
self.service.up = is_reachable
if is_reachable:
if resp_headers:
self.service.http_headers = '\n'.join('{}: {}'.format(key,val) \
for (key,val) in resp_headers.items())
else:
self.service.http_headers = ''
if not self.service.html_title:
self.service.html_title = WebUtils.grab_html_title(
self.service.url)
# For any other service: Simple port check
elif self.service.protocol == Protocol.TCP:
self.service.up = NetUtils.is_tcp_port_open(
str(self.service.host.ip), self.service.port)
else:
self.service.up = NetUtils.is_udp_port_open(
str(self.service.host.ip), self.service.port)
if not self.service.up:
return False
else:
self.service.up = True # consider it as up anyway
# Banner grabbing via Nmap (for TCP only) only if there is no banner
# already stored in db
if grab_banner_nmap \
and self.service.up \
and self.service.protocol == Protocol.TCP \
and not self.service.banner:
logger.info(
'Grab banner for [{service}] via Nmap...'.format(service=self))
self.service.banner = NetUtils.clean_nmap_banner(
NetUtils.grab_banner_nmap(str(self.service.host.ip),
self.service.port))
logger.info('Banner: {banner}'.format(banner=self.service.banner))
# Try to deduce OS from banner if possible
if not self.service.host.os:
detected_os = NetUtils.os_from_nmap_banner(self.service.banner)
if detected_os:
self.service.host.os = detected_os
logger.info('Detected OS from banner = {os}'.format(
os=detected_os))
# Web technologies detection for HTTP
if self.service.name == 'http' and web_technos_detection:
logger.info('Web technologies detection using Wappalyzer...')
detector = WebTechnoDetector(self.service.url)
technos = detector.detect()
self.service.web_technos = str(technos)
detector.print_technos()
# Try to deduce OS from detected web technologies
if not detected_os:
detected_os = detector.get_os()
if detected_os:
self.service.host.os = detected_os
logger.info(
'Detected OS from web technologies = {os}'.format(
os=detected_os))
return self.service.up
