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# -*- coding: binary -*-
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require 'rex/exploitation/vbsobfuscate'
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module Msf
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  # VBS obfuscation library wrapper for Rex::Exploitation::VBSObfuscate
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  module Exploit::VBSObfuscate
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    def initialize(info = {})
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      super
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      register_advanced_options([
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        OptInt.new('VbsObfuscate', [false, 'Number of times to obfuscate VBS', 1]),
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      ])
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    end
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    #
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    # Returns an VBSObfuscate object. A wrapper of ::Rex::Exploitation::VBSObfuscate.new(vbs).obfuscate!
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    #
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    # @param vbs [String] VBS code
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    # @param opts [Hash] obfuscation options
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    #    * :iterations [FixNum] Number of times to obfuscate
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    #    * :normalize_whitespace [Boolean] normalize line endings and strip leading/trailing whitespace from each line (true)
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    #    * :dynamic_execution [Boolean] dynamically execute obfuscated code with Execute (true)
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    # @return [::Rex::Exploitation::VBSObfuscate]
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    #
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    def vbs_obfuscate(vbs, opts = {})
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      iterations = (opts[:iterations] || datastore['VbsObfuscate']).to_i
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      normalize_whitespace = opts[:normalize_whitespace].blank? || opts[:normalize_whitespace]
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      dynamic_execution = opts[:dynamic_execution].blank? || opts[:dynamic_execution]
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      vbs_obfuscate = ::Rex::Exploitation::VBSObfuscate.new(vbs)
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      vbs_obfuscate.obfuscate!(
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        iterations: iterations,
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        normalize_whitespace: normalize_whitespace,
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        dynamic_execution: dynamic_execution
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      )
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      vbs_obfuscate
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    end
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  end
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end
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