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# -*- coding: binary -*-
module Msf
class Post
module Windows
module WMIC
include Msf::Post::File
include Msf::Post::Windows::Priv
include Msf::Post::Windows::ExtAPI
def initialize(info = {})
super
register_options([
OptString.new('SMBUser', [ false, 'The username to authenticate as' ]),
OptString.new('SMBPass', [ false, 'The password for the specified username' ]),
OptString.new('SMBDomain', [ false, 'The Windows domain to use for authentication' ]),
OptAddress.new("RHOST", [ true, "Target address range", "localhost" ]),
OptInt.new("TIMEOUT", [ true, "Timeout for WMI command in seconds", 10 ])
], self.class)
end
def wmic_query(query, server=datastore['RHOST'])
extapi = load_extapi
result_text = ""
if datastore['SMBUser']
if server.downcase == "localhost" || server.downcase.starts_with?('127.')
raise RuntimeError, "WMIC: User credentials cannot be used for local connections"
end
end
if extapi && !is_system?
session.extapi.clipboard.set_text("")
wcmd = "wmic #{wmic_user_pass_string}/output:CLIPBOARD /INTERACTIVE:off /node:#{server} #{query}"
else
tmp = get_env('TEMP')
out_file = "#{tmp}\\#{Rex::Text.rand_text_alpha(8)}"
wcmd = "cmd.exe /c %SYSTEMROOT%\\system32\\wbem\\wmic.exe #{wmic_user_pass_string}/output:#{out_file} /INTERACTIVE:off /node:#{server} #{query}"
end
vprint_status("[#{server}] #{wcmd}")
# We dont use cmd_exec as WMIC cannot be Channelized
ps = session.sys.process.execute(wcmd, nil, {'Hidden' => true, 'Channelized' => false})
session.railgun.kernel32.WaitForSingleObject(ps.handle, (datastore['TIMEOUT'] * 1000))
ps.close
if extapi && !is_system?
result = session.extapi.clipboard.get_data.first
if result && result[1] && result[1].has_key?('Text')
result_text = result[1]['Text']
else
result_text = ""
end
else
result_text = Rex::Text.to_ascii(read_file(out_file))[1..-1]
file_rm(out_file)
end
return result_text
end
def wmic_command(cmd, server=datastore['RHOST'])
result_text = wmic_query("process call create \"#{cmd.gsub('"','\\"')}\"", server)
parsed_result = nil
unless result_text.blank?
vprint_status("[#{server}] WMIC Command Result:")
vprint_line(result_text)
parsed_result = parse_wmic_result(result_text)
end
if parsed_result == nil
vprint_error("[#{server}] WMIC Command Error")
end
return parsed_result
end
def parse_wmic_result(result_text)
if result_text.blank?
return nil
else
pid = nil
return_value = nil
if result_text =~ /ProcessId = (\d+);/
pid = $1.to_i
end
if result_text =~ /ReturnValue = (\d+);/
return_value = $1.to_i
end
return {:return => return_value, :pid => pid, :text =>result_text}
end
end
def wmic_user_pass_string(domain=datastore['SMBDomain'], user=datastore['SMBUser'], pass=datastore['SMBPass'])
userpass = ""
unless user.nil?
if domain.nil?
userpass = "/user:\"#{user}\" /password:\"#{pass}\" "
else
userpass = "/user:\"#{domain}\\#{user}\" /password:\"#{pass}\" "
end
end
return userpass
end
end # WMIC
end # Windows
end # Post
end # Msf