Files
metasploit-gs/modules/auxiliary/scanner/portscan/ftpbounce.rb
T
Brent Cook ddef5b4961 MSF5: Remove unneeded RHOST deregister in scanners
With Metasploit 5, RHOST and RHOSTS are aliases, so no need to
deregister one or the other, as they are the same option. Deregistering
one deregisters both.
2019-03-05 13:04:49 -06:00

102 lines
2.6 KiB
Ruby

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
# Order is important here
include Msf::Auxiliary::Report
include Msf::Auxiliary::Scanner
include Msf::Exploit::Remote::Ftp
def initialize
super(
'Name' => 'FTP Bounce Port Scanner',
'Description' => %q{
Enumerate TCP services via the FTP bounce PORT/LIST
method.
},
'Author' => 'kris katterjohn',
'License' => MSF_LICENSE
)
register_options([
OptString.new('PORTS', [true, "Ports to scan (e.g. 22-25,80,110-900)", "1-10000"]),
OptAddress.new('BOUNCEHOST', [true, "FTP relay host"]),
OptPort.new('BOUNCEPORT', [true, "FTP relay port", 21]),
OptInt.new('DELAY', [true, "The delay between connections, per thread, in milliseconds", 0]),
OptInt.new('JITTER', [true, "The delay jitter factor (maximum value by which to +/- DELAY) in milliseconds.", 0])
])
deregister_options('RPORT')
end
# No IPv6 support yet
def support_ipv6?
false
end
def rhost
datastore['BOUNCEHOST']
end
def rport
datastore['BOUNCEPORT']
end
def run_host(ip)
ports = Rex::Socket.portspec_crack(datastore['PORTS'])
if ports.empty?
raise Msf::OptionValidateError.new(['PORTS'])
end
jitter_value = datastore['JITTER'].to_i
if jitter_value < 0
raise Msf::OptionValidateError.new(['JITTER'])
end
delay_value = datastore['DELAY'].to_i
if delay_value < 0
raise Msf::OptionValidateError.new(['DELAY'])
end
return if not connect_login
ports.each do |port|
# Clear out the receive buffer since we're heavily dependent
# on the response codes. We need to do this between every
# port scan attempt unfortunately.
while true
r = sock.get_once(-1, 0.25)
break if not r or r.empty?
end
begin
# Add the delay based on JITTER and DELAY if needs be
add_delay_jitter(delay_value,jitter_value)
host = (ip.split('.') + [port / 256, port % 256]).join(',')
resp = send_cmd(["PORT", host])
if resp =~ /^5/
#print_error("Got error from PORT to #{ip}:#{port}")
next
elsif not resp
next
end
resp = send_cmd(["LIST"])
if resp =~ /^[12]/
print_good(" TCP OPEN #{ip}:#{port}")
report_service(:host => ip, :port => port)
end
rescue ::Exception
print_error("Unknown error: #{$!}")
end
end
end
end