monkey/chaos_monkey/network/sshfinger.py

57 lines
1.7 KiB
Python

import re
import sys
import socket
import struct
import string
import logging
from network import HostFinger
import socket
import select
from network.tools import check_port_tcp
from model.host import VictimHost
SSH_PORT = 22
SSH_SERVICE = 'tcp-22'
SSH_REGEX = 'SSH-\d\.\d-OpenSSH'
TIMEOUT = 30
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, host, banner):
host.services[SSH_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 not host.os.has_key('version'):
host.os['version'] = os_version
else:
host.services[SSH_SERVICE]['os-version'] = os_version
break
def get_host_fingerprint(self, host):
assert isinstance(host, VictimHost)
for service in host.services.values():
banner = service.get('banner', '')
if self._banner_regex.search(banner):
self._banner_match(host, banner)
return
is_open, banner = check_port_tcp(host.ip_addr, SSH_PORT, TIMEOUT, True)
if is_open:
host.services[SSH_SERVICE] = {}
if banner:
host.services[SSH_SERVICE]['banner'] = banner
if self._banner_regex.search(banner):
self._banner_match(host, banner)
return True
return False