metasploit-framework/lib/msf/core/exploit/exe.rb

128 lines
3.3 KiB
Ruby

##
# $Id$
##
###
#
# This module exposes a simple method to create an payload in an executable.
#
###
module Msf
module Exploit::EXE
def initialize(info = {})
super
register_advanced_options(
[
OptString.new( 'EXE::Custom', [ false, 'Use custom exe instead of automatically generating a payload exe']),
OptString.new( 'EXE::Path', [ false, 'The directory in which to look for the executable template' ]),
OptString.new( 'EXE::Template', [ false, 'The executable template file name.' ]),
OptBool.new( 'EXE::Inject', [ false, 'Set to preserve the original EXE function' ]),
OptBool.new( 'EXE::OldMethod', [ false, 'Set to use the substitution EXE generation method.' ]),
OptBool.new( 'EXE::FallBack', [ false, 'Use the default template in case the specified one is missing' ])
], self.class)
end
def get_custom_exe
datastore['DisablePayloadHandler'] = true
file = ::File.open(datastore['EXE::Custom'],'rb')
exe = file.read(file.stat.size)
file.close
exe
end
def generate_payload_exe(opts = {})
return get_custom_exe if datastore.include? 'EXE::Custom'
exe_init_options(opts)
pl = opts[:code]
pl ||= payload.encoded
# Fall back to x86...
if not opts[:arch] or opts[:arch].length < 1
opts[:arch] = [ ARCH_X86 ]
end
# Ensure we have an array
if not opts[:arch].kind_of? Array
opts[:arch] = [ opts[:arch] ]
end
# Transform the PlatformList
if (opts[:platform].kind_of? Msf::Module::PlatformList)
opts[:platform] = opts[:platform].platforms
end
exe = Msf::Util::EXE.to_executable(framework, opts[:arch], opts[:platform], pl, opts)
exe_post_generation(opts)
exe
end
def generate_payload_exe_service(opts = {})
return get_custom_exe if datastore.include? 'EXE::Custom'
exe_init_options(opts)
# NOTE: Only Windows is supported here.
pl = opts[:code]
pl ||= payload.encoded
if opts[:arch] and opts[:arch] == ARCH_X64
exe = Msf::Util::EXE.to_win64pe_service(framework, pl, opts)
else
exe = Msf::Util::EXE.to_win32pe_service(framework, pl, opts)
end
exe_post_generation(opts)
exe
end
def generate_payload_dll(opts = {})
return get_custom_exe if datastore.include? 'EXE::Custom'
exe_init_options(opts)
# NOTE: Only Windows is supported here.
pl = opts[:code]
pl ||= payload.encoded
if opts[:arch] and opts[:arch] == ARCH_X64
dll = Msf::Util::EXE.to_win64pe_dll(framework, pl, opts)
else
dll = Msf::Util::EXE.to_win32pe_dll(framework, pl, opts)
end
exe_post_generation(opts)
dll
end
protected
def exe_init_options(opts)
opts.merge!(
{
:template_path => datastore['EXE::Path'],
:template => datastore['EXE::Template'],
:inject => datastore['EXE::Inject'],
:fallback => datastore['EXE::FallBack'],
:sub_method => datastore['EXE::OldMethod']
})
# Prefer the target's platform/architecture information, but use
# the module's if no target specific information exists
opts[:platform] ||= target_platform if self.respond_to? :target_platform
opts[:platform] ||= platform if self.respond_to? :platform
opts[:arch] ||= target_arch if self.respond_to? :target_arch
opts[:arch] ||= arch if self.respond_to? :arch
end
def exe_post_generation(opts)
if (opts[:fellback])
print_status("Warning: Falling back to default template: #{opts[:fellback]}")
end
end
end
end