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ssh_login.py
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ssh_login.py
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#!/usr/bin/env python
'''
Author: Christopher Duffy
Date: February 2015
Name: ssh_login.py
Purpose: To scan a network for a ssh port and automatically generate a resource file.
Copyright (c) 2015, Christopher Duffy All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met: * Redistributions
of source code must retain the above copyright notice, this list of conditions and
the following disclaimer. * Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution. * Neither the
name of the nor the names of its contributors may be used to endorse or promote
products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL CHRISTOPHER DUFFY BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
'''
import sys
try:
import nmap
except:
sys.exit("[!] Install the nmap library: pip install python-nmap")
try:
import netifaces
except:
sys.exit("[!] Install the netifaces library: pip install netifaces")
# Argument Validator
if len(sys.argv) != 5:
sys.exit("[!] Please provide four arguments the first being the targets the second the ports, the third the username, and the fourth the password")
password = str(sys.argv[4])
username = str(sys.argv[3])
ports = str(sys.argv[2])
hosts = str(sys.argv[1])
home_dir="/root"
gateways = {}
network_ifaces={}
def get_interfaces():
interfaces = netifaces.interfaces()
return interfaces
def get_gateways():
gateway_dict = {}
gws = netifaces.gateways()
for gw in gws:
try:
gateway_iface = gws[gw][netifaces.AF_INET]
gateway_ip, iface = gateway_iface[0], gateway_iface[1]
gw_list =[gateway_ip, iface]
gateway_dict[gw]=gw_list
except:
pass
return gateway_dict
def get_addresses(interface):
addrs = netifaces.ifaddresses(interface)
link_addr = addrs[netifaces.AF_LINK]
iface_addrs = addrs[netifaces.AF_INET]
iface_dict = iface_addrs[0]
link_dict = link_addr[0]
hwaddr = link_dict.get('addr')
iface_addr = iface_dict.get('addr')
iface_broadcast = iface_dict.get('broadcast')
iface_netmask = iface_dict.get('netmask')
return hwaddr, iface_addr, iface_broadcast, iface_netmask
def get_networks(gateways_dict):
networks_dict = {}
for key, value in gateways.iteritems():
gateway_ip, iface = value[0], value[1]
hwaddress, addr, broadcast, netmask = get_addresses(iface)
network = {'gateway': gateway_ip, 'hwaddr' : hwaddress, 'addr' : addr, ' broadcast' : broadcast, 'netmask' : netmask}
networks_dict[iface] = network
return networks_dict
def target_identifier(dir,user,passwd,ips,port_num,ifaces):
bufsize = 0
ssh_hosts = "%s/ssh_hosts" % (dir)
scanner = nmap.PortScanner()
scanner.scan(ips, port_num)
open(ssh_hosts, 'w').close()
if scanner.all_hosts():
e = open(ssh_hosts, 'a', bufsize)
else:
sys.exit("[!] No viable targets were found!")
for host in scanner.all_hosts():
for k,v in ifaces.iteritems():
if v['addr'] == host:
print("[-] Removing %s from target list since it belongs to your interface!") % (host)
host = None
if host != None:
home_dir="/root"
ssh_hosts = "%s/ssh_hosts" % (home_dir)
bufsize=0
e = open(ssh_hosts, 'a', bufsize)
if 'ssh' in scanner[host]['tcp'][int(port_num)]['name']:
if 'open' in scanner[host]['tcp'][int(port_num)]['state']:
print("[+] Adding host %s to %s since the service is active on %s") % (host,ssh_hosts,port_num)
hostdata=host + "\n"
e.write(hostdata)
if not scanner.all_hosts():
e.closed
if ssh_hosts:
return ssh_hosts
def resource_file_builder(dir, user, passwd, ips, port_num, hosts_file):
ssh_login_rc = "%s/ssh_login.rc" % (dir)
bufsize=0
set_module = "use auxiliary/scanner/ssh/ssh_login \n"
set_user = "set username " + username + "\n"
set_pass = "set password " + password + "\n"
set_rhosts = "set rhosts file:" + hosts_file + "\n"
set_rport = "set rport" + ports + "\n"
execute = "run\n"
f = open(ssh_login_rc, 'w', bufsize)
f.write(set_module)
f.write(set_user)
f.write(set_pass)
f.write(set_rhosts)
f.write(execute)
f.closed
if __name__ == '__main__':
gateways = get_gateways()
network_ifaces = get_networks(gateways)
hosts_file = target_identifier(home_dir,username,password,hosts,ports,network_ifaces)
resource_file_builder(home_dir, username, password, hosts, ports, hosts_file)