Land #5838, @bcook-r7's fixes for paylaod cached sizes

2015-08-14 12:39:58 -05:00 · 2015-08-14 12:39:58 -05:00 · b908f41b0f
parent 33f1324fa9 f25a5da46f
commit b908f41b0f
86 changed files with 143 additions and 94 deletions
--- a/lib/msf/util/payload_cached_size.rb
+++ b/lib/msf/util/payload_cached_size.rb
@ -14,6 +14,27 @@ module Util

 class PayloadCachedSize

+  OPTS = {
+    'Format'      => 'raw',
+    'Options'     => {
+      'CPORT' => 4444,
+      'LPORT' => 4444,
+      'LHOST' => '255.255.255.255',
+      'KHOST' => '255.255.255.255',
+      'AHOST' => '255.255.255.255',
+      'CMD' => '/bin/sh',
+      'URL' => 'http://a.com',
+      'PATH' => '/',
+      'BUNDLE' => 'data/isight.bundle',
+      'DLL' => 'external/source/byakugan/bin/XPSP2/detoured.dll',
+      'RC4PASSWORD' => 'Metasploit',
+      'DNSZONE' => 'corelan.eu',
+      'PEXEC' => '/bin/sh'
+    },
+    'Encoder'     => nil,
+    'DisableNops' => true
+  }
+
  # Insert a new CachedSize value into the text of a payload module
  #
  # @param data [String] The source code of a payload module
@ -60,7 +81,7 @@ class PayloadCachedSize
  # @return [Fixnum]
  def self.compute_cached_size(mod)
    return ":dynamic" if is_dynamic?(mod)
-    return mod.new.size
+    return mod.generate_simple(OPTS).size
  end

  # Determines whether a payload generates a static sized output
@ -69,8 +90,9 @@ class PayloadCachedSize
  # @param generation_count [Fixnum] The number of iterations to use to
  #   verify that the size is static.
  # @return [Fixnum]
-  def self.is_dynamic?(mod,generation_count=5)
-    [*(1..generation_count)].map{|x| mod.new.size}.uniq.length != 1
+  def self.is_dynamic?(mod, generation_count=5)
+    [*(1..generation_count)].map{|x|
+      mod.generate_simple(OPTS).size}.uniq.length != 1
  end

  # Determines whether a payload's CachedSize is up to date
@ -78,9 +100,9 @@ class PayloadCachedSize
  # @param mod [Msf::Payload] The class of the payload module to update
  # @return [Boolean]
  def self.is_cached_size_accurate?(mod)
-    return true if mod.dynamic_size?
+    return true if mod.dynamic_size? && is_dynamic?(mod)
    return false if mod.cached_size.nil?
-    mod.cached_size == mod.new.size
+    mod.cached_size == mod.generate_simple(OPTS).size
  end

 end
--- a/modules/payloads/singles/bsd/x64/exec.rb
+++ b/modules/payloads/singles/bsd/x64/exec.rb
@ -17,7 +17,7 @@ require 'msf/core'
 ###
 module Metasploit3

-  CachedSize = 23
+  CachedSize = 31

  include Msf::Payload::Single
  include Msf::Payload::Bsd
--- a/modules/payloads/singles/bsd/x64/shell_bind_tcp.rb
+++ b/modules/payloads/singles/bsd/x64/shell_bind_tcp.rb
@ -40,7 +40,7 @@ module Metasploit3

  # build the shellcode payload dynamically based on the user-provided CMD
  def generate
-    cmd  = (datastore['CMD'] || '') << "\x00"
+    cmd  = (datastore['CMD'] || '') + "\x00"
    port = [datastore['LPORT'].to_i].pack('n')
    call = "\xe8" + [cmd.length].pack('V')
    payload =
--- a/modules/payloads/singles/bsd/x64/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/bsd/x64/shell_reverse_tcp.rb
@ -49,7 +49,7 @@ module Metasploit3
      raise ArgumentError, "LHOST must be in IPv4 format."
    end

-    cmd  = (datastore['CMD'] || '') << "\x00"
+    cmd  = (datastore['CMD'] || '') + "\x00"
    port = [datastore['LPORT'].to_i].pack('n')
    ipaddr = [lhost.split('.').inject(0) {|t,v| (t << 8 ) + v.to_i}].pack("N")

--- a/modules/payloads/singles/bsd/x86/exec.rb
+++ b/modules/payloads/singles/bsd/x86/exec.rb
@ -17,7 +17,7 @@ require 'msf/core'
 ###
 module Metasploit3

-  CachedSize = 16
+  CachedSize = 24

  include Msf::Payload::Single
  include Msf::Payload::Bsd
--- a/modules/payloads/singles/cmd/unix/generic.rb
+++ b/modules/payloads/singles/cmd/unix/generic.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 0
+  CachedSize = 8

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse.rb
+++ b/modules/payloads/singles/cmd/unix/reverse.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 100
+  CachedSize = 130

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_awk.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_awk.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 95
+  CachedSize = 110

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_lua.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_lua.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 209
+  CachedSize = 224

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_netcat_gaping.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_netcat_gaping.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 20
+  CachedSize = 35

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_nodejs.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_nodejs.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 1911
+  CachedSize = 1971

  include Msf::Payload::Single
  include Msf::Payload::NodeJS
--- a/modules/payloads/singles/cmd/unix/reverse_openssl.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_openssl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 152
+  CachedSize = 182

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_perl.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_perl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 219
+  CachedSize = 234

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_perl_ssl.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_perl_ssl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 129
+  CachedSize = 144

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_php_ssl.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_php_ssl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 117
+  CachedSize = 132

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_python_ssl.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_python_ssl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 567
+  CachedSize = 587

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_ruby.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_ruby.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 118
+  CachedSize = 133

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_ruby_ssl.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_ruby_ssl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 170
+  CachedSize = 185

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_ssl_double_telnet.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_ssl_double_telnet.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 106
+  CachedSize = 136

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/unix/reverse_zsh.rb
+++ b/modules/payloads/singles/cmd/unix/reverse_zsh.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 95
+  CachedSize = 110

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/windows/adduser.rb
+++ b/modules/payloads/singles/cmd/windows/adduser.rb
@ -9,7 +9,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 258
+  CachedSize = 97

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/windows/generic.rb
+++ b/modules/payloads/singles/cmd/windows/generic.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 0
+  CachedSize = 8

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/windows/powershell_bind_tcp.rb
+++ b/modules/payloads/singles/cmd/windows/powershell_bind_tcp.rb
@ -11,7 +11,7 @@ require 'msf/core/handler/bind_tcp'

 module Metasploit3

-  CachedSize = 1510
+  CachedSize = 1518

  include Msf::Payload::Single
  include Rex::Powershell::Command
--- a/modules/payloads/singles/cmd/windows/powershell_reverse_tcp.rb
+++ b/modules/payloads/singles/cmd/windows/powershell_reverse_tcp.rb
@ -11,7 +11,7 @@ require 'msf/core/handler/reverse_tcp_ssl'

 module Metasploit3

-  CachedSize = 1518
+  CachedSize = 1526

  include Msf::Payload::Single
  include Rex::Powershell::Command
--- a/modules/payloads/singles/cmd/windows/reverse_lua.rb
+++ b/modules/payloads/singles/cmd/windows/reverse_lua.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 209
+  CachedSize = 224

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/windows/reverse_perl.rb
+++ b/modules/payloads/singles/cmd/windows/reverse_perl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 133
+  CachedSize = 148

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/windows/reverse_powershell.rb
+++ b/modules/payloads/singles/cmd/windows/reverse_powershell.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 1189
+  CachedSize = 1204

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/cmd/windows/reverse_ruby.rb
+++ b/modules/payloads/singles/cmd/windows/reverse_ruby.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 111
+  CachedSize = 126

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/firefox/exec.rb
+++ b/modules/payloads/singles/firefox/exec.rb
@ -7,7 +7,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = :dynamic
+  CachedSize = 1019

  include Msf::Payload::Single
  include Msf::Payload::Firefox
--- a/modules/payloads/singles/java/jsp_shell_reverse_tcp.rb
+++ b/modules/payloads/singles/java/jsp_shell_reverse_tcp.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 0
+  CachedSize = 1501

  include Msf::Payload::Single
  include Msf::Payload::JSP
--- a/modules/payloads/singles/java/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/java/shell_reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 7748
+  CachedSize = 7761

  include Msf::Payload::Single
  include Msf::Payload::Java
--- a/modules/payloads/singles/linux/armle/exec.rb
+++ b/modules/payloads/singles/linux/armle/exec.rb
@ -15,7 +15,7 @@ require 'msf/core'
 ###
 module Metasploit3

-  CachedSize = 22
+  CachedSize = 29

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/mipsbe/exec.rb
+++ b/modules/payloads/singles/linux/mipsbe/exec.rb
@ -7,7 +7,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 48
+  CachedSize = 52

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/mipsbe/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/linux/mipsbe/shell_reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 0
+  CachedSize = 184

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/mipsle/exec.rb
+++ b/modules/payloads/singles/linux/mipsle/exec.rb
@ -7,7 +7,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 48
+  CachedSize = 52

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/mipsle/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/linux/mipsle/shell_reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 0
+  CachedSize = 184

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/x64/exec.rb
+++ b/modules/payloads/singles/linux/x64/exec.rb
@ -8,7 +8,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 40
+  CachedSize = 47

  include Msf::Payload::Single
  include Msf::Payload::Linux
@ -29,7 +29,7 @@ module Metasploit3
  end

  def generate_stage(opts={})
-    cmd = (datastore['CMD'] || '') << "\x00"
+    cmd = (datastore['CMD'] || '') + "\x00"
    call = "\xe8" + [cmd.length].pack('V')
    payload =
      "\x6a\x3b"                     + # pushq  $0x3b
--- a/modules/payloads/singles/linux/x86/exec.rb
+++ b/modules/payloads/singles/linux/x86/exec.rb
@ -15,7 +15,7 @@ require 'msf/core'
 ###
 module Metasploit3

-  CachedSize = 36
+  CachedSize = 43

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/x86/read_file.rb
+++ b/modules/payloads/singles/linux/x86/read_file.rb
@ -7,7 +7,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 62
+  CachedSize = 63

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/linux/x86/shell_reverse_tcp2.rb
+++ b/modules/payloads/singles/linux/x86/shell_reverse_tcp2.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 103
+  CachedSize = 70

  include Msf::Payload::Single
  include Msf::Payload::Linux
--- a/modules/payloads/singles/nodejs/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/nodejs/shell_reverse_tcp.rb
@ -14,7 +14,7 @@ require 'msf/base/sessions/command_shell'

 module Metasploit3

-  CachedSize = 473
+  CachedSize = 488

  include Msf::Payload::Single
  include Msf::Payload::NodeJS
--- a/modules/payloads/singles/nodejs/shell_reverse_tcp_ssl.rb
+++ b/modules/payloads/singles/nodejs/shell_reverse_tcp_ssl.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 501
+  CachedSize = 516

  include Msf::Payload::Single
  include Msf::Payload::NodeJS
--- a/modules/payloads/singles/osx/x64/exec.rb
+++ b/modules/payloads/singles/osx/x64/exec.rb
@ -8,7 +8,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 23
+  CachedSize = 31

  include Msf::Payload::Single

--- a/modules/payloads/singles/osx/x64/shell_bind_tcp.rb
+++ b/modules/payloads/singles/osx/x64/shell_bind_tcp.rb
@ -37,7 +37,7 @@ module Metasploit3

  # build the shellcode payload dynamically based on the user-provided CMD
  def generate
-    cmd  = (datastore['CMD'] || '') << "\x00"
+    cmd  = (datastore['CMD'] || '') + "\x00"
    port = [datastore['LPORT'].to_i].pack('n')
    call = "\xe8" + [cmd.length].pack('V')
    payload =
--- a/modules/payloads/singles/osx/x64/shell_find_tag.rb
+++ b/modules/payloads/singles/osx/x64/shell_find_tag.rb
@ -40,7 +40,7 @@ module Metasploit3
  # ensures the setting of tag to a four byte value
  #
  def generate
-    cmd  = (datastore['CMD'] || '') << "\x00"
+    cmd  = (datastore['CMD'] || '') + "\x00"
    call = "\xe8" + [cmd.length].pack('V')

    payload =
--- a/modules/payloads/singles/osx/x64/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/osx/x64/shell_reverse_tcp.rb
@ -45,7 +45,7 @@ module Metasploit3
      raise ArgumentError, "LHOST must be in IPv4 format."
    end

-    cmd  = (datastore['CMD'] || '') << "\x00"
+    cmd  = (datastore['CMD'] || '') + "\x00"
    port = [datastore['LPORT'].to_i].pack('n')
    ipaddr = [lhost.split('.').inject(0) {|t,v| (t << 8 ) + v.to_i}].pack("N")

--- a/modules/payloads/singles/osx/x86/exec.rb
+++ b/modules/payloads/singles/osx/x86/exec.rb
@ -16,7 +16,7 @@ require 'msf/core'
 ###
 module Metasploit3

-  CachedSize = 16
+  CachedSize = 24

  include Msf::Payload::Single
  include Msf::Payload::Bsd::X86
--- a/modules/payloads/singles/php/meterpreter_reverse_tcp.rb
+++ b/modules/payloads/singles/php/meterpreter_reverse_tcp.rb
@ -12,7 +12,7 @@ require 'msf/base/sessions/meterpreter_options'

 module Metasploit4

-  CachedSize = 25679
+  CachedSize = 25685

  include Msf::Payload::Single
  include Msf::Payload::Php::ReverseTcp
--- a/modules/payloads/singles/python/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/python/shell_reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 381
+  CachedSize = 401

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/python/shell_reverse_tcp_ssl.rb
+++ b/modules/payloads/singles/python/shell_reverse_tcp_ssl.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 537
+  CachedSize = 557

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions
--- a/modules/payloads/singles/ruby/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/ruby/shell_reverse_tcp.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 496
+  CachedSize = 516

  include Msf::Payload::Single
  include Msf::Payload::Ruby
--- a/modules/payloads/singles/ruby/shell_reverse_tcp_ssl.rb
+++ b/modules/payloads/singles/ruby/shell_reverse_tcp_ssl.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 424
+  CachedSize = 444

  include Msf::Payload::Single
  include Msf::Payload::Ruby
--- a/modules/payloads/singles/solaris/sparc/shell_find_port.rb
+++ b/modules/payloads/singles/solaris/sparc/shell_find_port.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = :dynamic
+  CachedSize = 136

  include Msf::Payload::Single
  include Msf::Payload::Solaris
--- a/modules/payloads/singles/solaris/x86/shell_bind_tcp.rb
+++ b/modules/payloads/singles/solaris/x86/shell_bind_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 160
+  CachedSize = 95

  include Msf::Payload::Single
  include Msf::Payload::Solaris
--- a/modules/payloads/singles/solaris/x86/shell_find_port.rb
+++ b/modules/payloads/singles/solaris/x86/shell_find_port.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 151
+  CachedSize = 86

  include Msf::Payload::Single
  include Msf::Payload::Solaris
--- a/modules/payloads/singles/solaris/x86/shell_reverse_tcp.rb
+++ b/modules/payloads/singles/solaris/x86/shell_reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 156
+  CachedSize = 91

  include Msf::Payload::Single
  include Msf::Payload::Solaris
--- a/modules/payloads/singles/windows/adduser.rb
+++ b/modules/payloads/singles/windows/adduser.rb
@ -15,7 +15,7 @@ require 'msf/core/payload/windows/exec'
 ###
 module Metasploit3

-  CachedSize = 443
+  CachedSize = 282

  include Msf::Payload::Windows::Exec

--- a/modules/payloads/singles/windows/dns_txt_query_exec.rb
+++ b/modules/payloads/singles/windows/dns_txt_query_exec.rb
@ -7,7 +7,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 275
+  CachedSize = 285

  include Msf::Payload::Windows
  include Msf::Payload::Single
--- a/modules/payloads/singles/windows/download_exec.rb
+++ b/modules/payloads/singles/windows/download_exec.rb
@ -8,7 +8,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 439
+  CachedSize = 423

  include Msf::Payload::Windows
  include Msf::Payload::Single
--- a/modules/payloads/singles/windows/exec.rb
+++ b/modules/payloads/singles/windows/exec.rb
@ -13,7 +13,7 @@ require 'msf/core/payload/windows/exec'
 ###
 module Metasploit3

-  CachedSize = 185
+  CachedSize = 192

  include Msf::Payload::Windows::Exec

--- a/modules/payloads/singles/windows/loadlibrary.rb
+++ b/modules/payloads/singles/windows/loadlibrary.rb
@ -13,7 +13,7 @@ require 'msf/core/payload/windows/loadlibrary'
 ###
 module Metasploit3

-  CachedSize = 183
+  CachedSize = 230

  include Msf::Payload::Windows::LoadLibrary

--- a/modules/payloads/singles/windows/powershell_bind_tcp.rb
+++ b/modules/payloads/singles/windows/powershell_bind_tcp.rb
@ -16,7 +16,7 @@ require 'msf/core/handler/bind_tcp'
 ###
 module Metasploit3

-  CachedSize = 1695
+  CachedSize = 1703

  include Msf::Payload::Windows::Exec
  include Rex::Powershell::Command
--- a/modules/payloads/singles/windows/powershell_reverse_tcp.rb
+++ b/modules/payloads/singles/windows/powershell_reverse_tcp.rb
@ -16,7 +16,7 @@ require 'msf/core/handler/reverse_tcp_ssl'
 ###
 module Metasploit3

-  CachedSize = 1703
+  CachedSize = 1711

  include Msf::Payload::Windows::Exec
  include Msf::Payload::Windows::Powershell
--- a/modules/payloads/singles/windows/x64/exec.rb
+++ b/modules/payloads/singles/windows/x64/exec.rb
@ -9,7 +9,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 268
+  CachedSize = 275

  include Msf::Payload::Windows
  include Msf::Payload::Single
--- a/modules/payloads/singles/windows/x64/loadlibrary.rb
+++ b/modules/payloads/singles/windows/x64/loadlibrary.rb
@ -9,7 +9,7 @@ require 'msf/core'

 module Metasploit3

-  CachedSize = 267
+  CachedSize = 314

  include Msf::Payload::Windows
  include Msf::Payload::Single
--- a/modules/payloads/singles/windows/x64/powershell_bind_tcp.rb
+++ b/modules/payloads/singles/windows/x64/powershell_bind_tcp.rb
@ -16,7 +16,7 @@ require 'msf/core/handler/bind_tcp'
 ###
 module Metasploit3

-  CachedSize = 1778
+  CachedSize = 1786

  include Msf::Payload::Windows::Exec_x64
  include Rex::Powershell::Command
--- a/modules/payloads/singles/windows/x64/powershell_reverse_tcp.rb
+++ b/modules/payloads/singles/windows/x64/powershell_reverse_tcp.rb
@ -16,7 +16,7 @@ require 'msf/core/handler/reverse_tcp_ssl'
 ###
 module Metasploit3

-  CachedSize = 1786
+  CachedSize = 1794

  include Msf::Payload::Windows::Exec_x64
  include Msf::Payload::Windows::Powershell
--- a/modules/payloads/stagers/java/reverse_http.rb
+++ b/modules/payloads/stagers/java/reverse_http.rb
@ -8,7 +8,7 @@ require 'msf/core/handler/reverse_http'

 module Metasploit3

-  CachedSize = 5499
+  CachedSize = 5505

  include Msf::Payload::Stager
  include Msf::Payload::Java
--- a/modules/payloads/stagers/java/reverse_https.rb
+++ b/modules/payloads/stagers/java/reverse_https.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/uuid/options'

 module Metasploit3

-  CachedSize = 6307
+  CachedSize = 6313

  include Msf::Payload::Stager
  include Msf::Payload::Java
--- a/modules/payloads/stagers/java/reverse_tcp.rb
+++ b/modules/payloads/stagers/java/reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit3

-  CachedSize = 5487
+  CachedSize = 5500

  include Msf::Payload::Stager
  include Msf::Payload::Java
--- a/modules/payloads/stagers/linux/x86/reverse_tcp.rb
+++ b/modules/payloads/stagers/linux/x86/reverse_tcp.rb
@ -10,7 +10,7 @@ require 'msf/core/payload/linux/reverse_tcp'

 module Metasploit4

-  CachedSize = 193
+  CachedSize = 71

  include Msf::Payload::Stager
  include Msf::Payload::Linux::ReverseTcp
--- a/modules/payloads/stagers/linux/x86/reverse_tcp_uuid.rb
+++ b/modules/payloads/stagers/linux/x86/reverse_tcp_uuid.rb
@ -10,7 +10,7 @@ require 'msf/core/payload/linux/reverse_tcp'

 module Metasploit4

-  CachedSize = 236
+  CachedSize = 114

  include Msf::Payload::Stager
  include Msf::Payload::Linux::ReverseTcp
--- a/modules/payloads/stagers/netware/reverse_tcp.rb
+++ b/modules/payloads/stagers/netware/reverse_tcp.rb
@ -11,7 +11,7 @@ require 'msf/core/handler/reverse_tcp'

 module Metasploit3

-  CachedSize = 279
+  CachedSize = 281

  include Msf::Payload::Stager
  include Msf::Payload::Netware
--- a/modules/payloads/stagers/php/reverse_tcp.rb
+++ b/modules/payloads/stagers/php/reverse_tcp.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/php/reverse_tcp'

 module Metasploit4

-  CachedSize = 936
+  CachedSize = 951

  include Msf::Payload::Stager
  include Msf::Payload::Php::ReverseTcp
--- a/modules/payloads/stagers/php/reverse_tcp_uuid.rb
+++ b/modules/payloads/stagers/php/reverse_tcp_uuid.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/php/reverse_tcp'

 module Metasploit4

-  CachedSize = 1110
+  CachedSize = 1125

  include Msf::Payload::Stager
  include Msf::Payload::Php::ReverseTcp
--- a/modules/payloads/stagers/python/reverse_tcp.rb
+++ b/modules/payloads/stagers/python/reverse_tcp.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit4

-  CachedSize = 342
+  CachedSize = 362

  include Msf::Payload::Stager
  include Msf::Payload::Python::ReverseTcp
--- a/modules/payloads/stagers/python/reverse_tcp_uuid.rb
+++ b/modules/payloads/stagers/python/reverse_tcp_uuid.rb
@ -11,7 +11,7 @@ require 'msf/base/sessions/command_shell_options'

 module Metasploit4

-  CachedSize = 446
+  CachedSize = 466

  include Msf::Payload::Stager
  include Msf::Payload::Python
--- a/modules/payloads/stagers/windows/reverse_http.rb
+++ b/modules/payloads/stagers/windows/reverse_http.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/windows/reverse_http'

 module Metasploit4

-  CachedSize = 312
+  CachedSize = 327

  include Msf::Payload::Stager
  include Msf::Payload::Windows
--- a/modules/payloads/stagers/windows/reverse_http_proxy_pstore.rb
+++ b/modules/payloads/stagers/windows/reverse_http_proxy_pstore.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/uuid/options'

 module Metasploit3

-  CachedSize = 650
+  CachedSize = 665

  include Msf::Payload::Stager
  include Msf::Payload::Windows
--- a/modules/payloads/stagers/windows/reverse_https.rb
+++ b/modules/payloads/stagers/windows/reverse_https.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/windows/reverse_https'

 module Metasploit4

-  CachedSize = 332
+  CachedSize = 347

  include Msf::Payload::Stager
  include Msf::Payload::Windows
--- a/modules/payloads/stagers/windows/reverse_https_proxy.rb
+++ b/modules/payloads/stagers/windows/reverse_https_proxy.rb
@ -10,7 +10,7 @@ require 'msf/core/handler/reverse_https_proxy'

 module Metasploit3

-  CachedSize = 391
+  CachedSize = 397

  include Msf::Payload::Stager
  include Msf::Payload::Windows
--- a/modules/payloads/stagers/windows/x64/reverse_http.rb
+++ b/modules/payloads/stagers/windows/x64/reverse_http.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/windows/x64/reverse_http'

 module Metasploit4

-  CachedSize = 486
+  CachedSize = 501

  include Msf::Payload::Stager
  include Msf::Payload::Windows
--- a/modules/payloads/stagers/windows/x64/reverse_https.rb
+++ b/modules/payloads/stagers/windows/x64/reverse_https.rb
@ -9,7 +9,7 @@ require 'msf/core/payload/windows/x64/reverse_https'

 module Metasploit4

-  CachedSize = 517
+  CachedSize = 532

  include Msf::Payload::Stager
  include Msf::Payload::Windows
--- a/spec/modules/payloads_spec.rb
+++ b/spec/modules/payloads_spec.rb
@ -863,7 +863,7 @@ describe 'modules/payloads', :content do
                          ancestor_reference_names: [
                              'singles/firefox/exec'
                          ],
-                          dynamic_size: true,
+                          dynamic_size: false,
                          modules_pathname: modules_pathname,
                          reference_name: 'firefox/exec'
  end
@ -2320,7 +2320,7 @@ describe 'modules/payloads', :content do
                          ancestor_reference_names: [
                              'singles/solaris/sparc/shell_find_port'
                          ],
-                          dynamic_size: true,
+                          dynamic_size: false,
                          modules_pathname: modules_pathname,
                          reference_name: 'solaris/sparc/shell_find_port'
  end
--- a/spec/support/shared/examples/payload_cached_size_is_consistent.rb
+++ b/spec/support/shared/examples/payload_cached_size_is_consistent.rb
@ -70,6 +70,7 @@
 #   `:ancestor_reference_names`.
 # @return [void]
 shared_examples_for 'payload cached size is consistent' do |options|
+
  options.assert_valid_keys(:ancestor_reference_names, :modules_pathname, :reference_name, :dynamic_size)

  ancestor_reference_names = options.fetch(:ancestor_reference_names)
@ -85,6 +86,27 @@ shared_examples_for 'payload cached size is consistent' do |options|

  include_context 'Msf::Simple::Framework#modules loading'

+  opts = {
+    'Format'      => 'raw',
+    'Options'     => {
+      'CPORT' => 4444,
+      'LPORT' => 4444,
+      'LHOST' => '255.255.255.255',
+      'KHOST' => '255.255.255.255',
+      'AHOST' => '255.255.255.255',
+      'CMD' => '/bin/sh',
+      'URL' => 'http://a.com',
+      'PATH' => '/',
+      'BUNDLE' => 'data/isight.bundle',
+      'DLL' => 'external/source/byakugan/bin/XPSP2/detoured.dll',
+      'RC4PASSWORD' => 'Metasploit',
+      'DNSZONE' => 'corelan.eu',
+      'PEXEC' => '/bin/sh'
+    },
+    'Encoder'     => nil,
+    'DisableNops' => true
+  }
+
  #
  # lets
  #
@ -111,6 +133,8 @@ shared_examples_for 'payload cached size is consistent' do |options|
      )
    end

+    next if reference_name =~ /generic/
+
    if dynamic_size
      it 'is dynamic_size?' do
        pinst = load_and_create_module(
@ -132,7 +156,7 @@ shared_examples_for 'payload cached size is consistent' do |options|
        )
        expect(pinst.cached_size).to_not(be_nil)
        expect(pinst.dynamic_size?).to be(false)
-        expect(pinst.cached_size).to eq(pinst.size)
+        expect(pinst.cached_size).to eq(pinst.generate_simple(opts).size)
      end
    end
  end
--- a/tools/update_payload_cached_sizes.rb
+++ b/tools/update_payload_cached_sizes.rb
@ -22,8 +22,11 @@ require 'msf/util/payload_cached_size'
 framework = Msf::Simple::Framework.create('DisableDatabase' => true)

 framework.payloads.each_module do |name, mod|
-  next if Msf::Util::PayloadCachedSize.is_cached_size_accurate?(mod)
+  next if name =~ /generic/
+  mod_inst = framework.payloads.create(name)
+  #mod_inst.datastore.merge!(framework.datastore)
+  next if Msf::Util::PayloadCachedSize.is_cached_size_accurate?(mod_inst)
  $stdout.puts "[*] Updating the CacheSize for #{mod.file_path}..."
-  Msf::Util::PayloadCachedSize.update_module_cached_size(mod)
+  Msf::Util::PayloadCachedSize.update_module_cached_size(mod_inst)
 end