metasploit-framework/modules/nops/armle/simple.rb

71 lines
1.3 KiB
Ruby

##
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
###
#
# SingleByte
# ----------
#
# This class implements simple NOP generator for ARM (little endian)
#
###
class Metasploit3 < Msf::Nop
def initialize
super(
'Name' => 'Simple',
'Alias' => 'armle_simple',
'Version' => '$Revision$',
'Description' => 'Simple NOP generator',
'Author' => 'hdm',
'License' => MSF_LICENSE,
'Arch' => ARCH_ARMLE)
register_advanced_options(
[
OptBool.new('RandomNops', [ false, "Generate a random NOP sled", true ])
], self.class)
end
def generate_sled(length, opts)
badchars = opts['BadChars'] || ''
random = opts['Random'] || datastore['RandomNops']
nops = [
0xe1a01001,
0xe1a02002,
0xe1a03003,
0xe1a04004,
0xe1a05005,
0xe1a06006,
0xe1a07007,
0xe1a08008,
0xe1a09009,
0xe1a0a00a,
0xe1a0b00b
]
if( random and random.match(/^(t|y|1)/i) )
return ([nops[rand(nops.length)]].pack("V*") * (length/4))
end
return ([nops[0]].pack("V*") * (length/4))
end
end