156 lines
4.2 KiB
Ruby
156 lines
4.2 KiB
Ruby
##
|
|
# This module requires Metasploit: http//metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
class Metasploit3 < Msf::Auxiliary
|
|
|
|
# Exploit mixins should be called first
|
|
include Msf::Exploit::Remote::SMB
|
|
include Msf::Exploit::Remote::SMB::Authenticated
|
|
include Msf::Exploit::Remote::DCERPC
|
|
|
|
# Scanner mixin should be near last
|
|
include Msf::Auxiliary::Scanner
|
|
include Msf::Auxiliary::Report
|
|
|
|
def initialize
|
|
super(
|
|
'Name' => 'SMB Domain User Enumeration',
|
|
'Version' => '$Revision $',
|
|
'Description' => 'Determine what domain users are logged into a remote system via a DCERPC to NetWkstaUserEnum.',
|
|
'Author' => 'natron',
|
|
'References' =>
|
|
[
|
|
[ 'URL', 'http://msdn.microsoft.com/en-us/library/aa370669%28VS.85%29.aspx' ]
|
|
],
|
|
'License' => MSF_LICENSE
|
|
)
|
|
|
|
deregister_options('RPORT', 'RHOST')
|
|
|
|
end
|
|
|
|
def parse_value(resp, idx)
|
|
#val_length = resp[idx,4].unpack("V")[0]
|
|
idx += 4
|
|
#val_offset = resp[idx,4].unpack("V")[0]
|
|
idx += 4
|
|
val_actual = resp[idx,4].unpack("V")[0]
|
|
idx += 4
|
|
value = resp[idx,val_actual*2]
|
|
#print_debug "resp[0x#{idx.to_s(16)},#{val_actual*2}] : " + value
|
|
idx += val_actual * 2
|
|
|
|
idx += val_actual % 2 * 2 # alignment
|
|
|
|
return value,idx
|
|
end
|
|
|
|
def parse_NetWkstaEnumUsersInfo(resp)
|
|
accounts = [ Hash.new() ]
|
|
|
|
#print_debug resp[0,20].unpack("H*")
|
|
idx = 20
|
|
count = resp[idx,4].unpack("V")[0] # wkssvc_NetWkstaEnumUsersInfo -> Info -> PtrCt0 -> User() -> Ptr -> Max Count
|
|
idx += 4
|
|
#print_debug "Max Count : " + count.to_s
|
|
|
|
1.upto(count) do
|
|
# wkssvc_NetWkstaEnumUsersInfo -> Info -> PtrCt0 -> User() -> Ptr -> Ref ID
|
|
# print_debug "Ref ID#{account.to_s}: " + resp[idx,4].unpack("H*").to_s
|
|
idx += 4 # ref id name
|
|
idx += 4 # ref id logon domain
|
|
idx += 4 # ref id other domains
|
|
idx += 4 # ref id logon server
|
|
end
|
|
|
|
1.upto(count) do
|
|
# wkssvc_NetWkstaEnumUsersInfo -> Info -> PtrCt0 -> User() -> Ptr -> ID1 max count
|
|
|
|
account_name,idx = parse_value(resp, idx)
|
|
logon_domain,idx = parse_value(resp, idx)
|
|
other_domains,idx = parse_value(resp, idx)
|
|
logon_server,idx = parse_value(resp, idx)
|
|
|
|
accounts << {
|
|
:account_name => account_name,
|
|
:logon_domain => logon_domain,
|
|
:other_domains => other_domains,
|
|
:logon_server => logon_server
|
|
}
|
|
end
|
|
|
|
accounts
|
|
end
|
|
|
|
def run_host(ip)
|
|
|
|
[[139, false], [445, true]].each do |info|
|
|
|
|
datastore['RPORT'] = info[0]
|
|
datastore['SMBDirect'] = info[1]
|
|
|
|
begin
|
|
connect()
|
|
smb_login()
|
|
|
|
uuid = [ '6bffd098-a112-3610-9833-46c3f87e345a', '1.0' ]
|
|
|
|
handle = dcerpc_handle(
|
|
uuid[0], uuid[1], 'ncacn_np', ["\\wkssvc"]
|
|
)
|
|
begin
|
|
dcerpc_bind(handle)
|
|
stub =
|
|
NDR.uwstring("\\\\" + ip) + # Server Name
|
|
NDR.long(1) + # Level
|
|
NDR.long(1) + # Ctr
|
|
NDR.long(rand(0xffffffff)) + # ref id
|
|
NDR.long(0) + # entries read
|
|
NDR.long(0) + # null ptr to user0
|
|
|
|
NDR.long(0xffffffff) + # Prefmaxlen
|
|
NDR.long(rand(0xffffffff)) + # ref id
|
|
NDR.long(0) # null ptr to resume handle
|
|
|
|
dcerpc.call(2,stub)
|
|
|
|
resp = dcerpc.last_response ? dcerpc.last_response.stub_data : nil
|
|
|
|
accounts = parse_NetWkstaEnumUsersInfo(resp)
|
|
accounts.shift
|
|
|
|
if datastore['VERBOSE']
|
|
accounts.each do |x|
|
|
print_status ip + " : " + x[:logon_domain] + "\\" + x[:account_name] +
|
|
"\t(logon_server: #{x[:logon_server]}, other_domains: #{x[:other_domains]})"
|
|
end
|
|
else
|
|
print_status "#{ip} : #{accounts.collect{|x| x[:logon_domain] + "\\" + x[:account_name]}.join(", ")}"
|
|
end
|
|
|
|
rescue ::Rex::Proto::SMB::Exceptions::ErrorCode => e
|
|
print_line("UUID #{uuid[0]} #{uuid[1]} ERROR 0x%.8x" % e.error_code)
|
|
#puts e
|
|
#return
|
|
rescue ::Exception => e
|
|
print_line("UUID #{uuid[0]} #{uuid[1]} ERROR #{$!}")
|
|
#puts e
|
|
#return
|
|
end
|
|
|
|
disconnect()
|
|
return
|
|
rescue ::Exception
|
|
print_line($!.to_s)
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|