metasploit-framework/modules/encoders/cmd/ifs.rb

44 lines
887 B
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'
class Metasploit3 < Msf::Encoder
# Below normal ranking because this will produce incorrect code a lot of
# the time.
Rank = LowRanking
def initialize
super(
'Name' => 'Generic ${IFS} Substitution Command Encoder',
'Version' => '$Revision$',
'Description' => %q{
This encoder uses standard Bourne shell variable substitution
to avoid spaces without being overly fancy.
},
'Author' => 'egypt',
'Arch' => ARCH_CMD)
end
#
# Encodes the payload
#
def encode_block(state, buf)
buf.gsub!(/\s/, '${IFS}')
return buf
end
end