monkey/chaos_monkey/network/sshfinger.py

52 lines
1.6 KiB
Python

import re
from network import HostFinger
from network.tools import check_port_tcp
from model.host import VictimHost
SSH_PORT = 22
SSH_SERVICE_DEFAULT = 'tcp-22'
SSH_REGEX = 'SSH-\d\.\d-OpenSSH'
TIMEOUT = 10
BANNER_READ = 1024
LINUX_DIST_SSH = ['ubuntu', 'debian']
class SSHFinger(HostFinger):
def __init__(self):
self._config = __import__('config').WormConfiguration
self._banner_regex = re.compile(SSH_REGEX, re.IGNORECASE)
def _banner_match(self, service, host, banner):
host.services[service]['name'] = 'ssh'
for dist in LINUX_DIST_SSH:
if banner.lower().find(dist) != -1:
host.os['type'] = 'linux'
os_version = banner.split(' ').pop().strip()
if 'version' not in host.os:
host.os['version'] = os_version
else:
host.services[service]['os-version'] = os_version
break
def get_host_fingerprint(self, host):
assert isinstance(host, VictimHost)
for name, data in host.services.items():
banner = data.get('banner', '')
if self._banner_regex.search(banner):
self._banner_match(name, host, banner)
return
is_open, banner = check_port_tcp(host.ip_addr, SSH_PORT, TIMEOUT, True)
if is_open:
host.services[SSH_SERVICE_DEFAULT] = {}
if banner:
host.services[SSH_SERVICE_DEFAULT]['banner'] = banner
if self._banner_regex.search(banner):
self._banner_match(SSH_SERVICE_DEFAULT, host, banner)
return True
return False