85 lines
2.5 KiB
Ruby
85 lines
2.5 KiB
Ruby
# -*- coding: binary -*-
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require 'msf/core'
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module Rex
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module Exploitation
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module Js
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#
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# Provides networking functions in JavaScript
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#
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class Network
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# @param [Hash] opts the options hash
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# @option opts [Boolean] :obfuscate toggles js obfuscation. defaults to true.
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# @option opts [Boolean] :inject_xhr_shim automatically stubs XHR to use ActiveXObject when needed.
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# defaults to true.
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# @return [String] javascript code to perform a synchronous ajax request to the remote
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# and returns the response
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def self.ajax_download(opts={})
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should_obfuscate = opts.fetch(:obfuscate, true)
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js = ::File.read(::File.join(Msf::Config.data_directory, "js", "network", "ajax_download.js"))
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if should_obfuscate
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js = ::Rex::Exploitation::ObfuscateJS.new(js,
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{
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'Symbols' => {
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'Variables' => %w{ xmlHttp oArg }
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}
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}).obfuscate
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end
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xhr_shim(opts) + js
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end
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# @param [Hash] opts the options hash
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# @option opts [Boolean] :obfuscate toggles js obfuscation. defaults to true.
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# @option opts [Boolean] :inject_xhr_shim automatically stubs XHR to use ActiveXObject when needed.
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# defaults to true.
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# @return [String] javascript code to perform a synchronous or asynchronous ajax request to
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# the remote with the data specified.
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def self.ajax_post(opts={})
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should_obfuscate = opts.fetch(:obfuscate, true)
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js = ::File.read(::File.join(Msf::Config.data_directory, "js", "network", "ajax_post.js"))
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if should_obfuscate
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js = ::Rex::Exploitation::ObfuscateJS.new(js,
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{
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'Symbols' => {
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'Variables' => %w{ xmlHttp cb path data }
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}
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}).obfuscate
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end
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xhr_shim(opts) + js
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end
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# @param [Hash] opts the options hash
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# @option opts [Boolean] :obfuscate toggles js obfuscation. defaults to true.
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# @option opts [Boolean] :inject_xhr_shim false causes this method to return ''. defaults to true.
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# @return [String] javascript code that adds XMLHttpRequest to the global scope if it
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# does not exist (e.g. on IE6, where you have to use the ActiveXObject constructor)
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def self.xhr_shim(opts={})
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return '' unless opts.fetch(:inject_xhr_shim, true)
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should_obfuscate = opts.fetch(:obfuscate, true)
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js = ::File.read(::File.join(Msf::Config.data_directory, "js", "network", "xhr_shim.js"))
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if should_obfuscate
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js = ::Rex::Exploitation::ObfuscateJS.new(js,
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{
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'Symbols' => {
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'Variables' => %w{ activeObjs idx }
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}
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}
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).obfuscate
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end
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js
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end
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end
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end
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end
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end
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