Contents

# frozen_string_literal: true

module Mihari
  module Analyzers
    class VirusTotal < Base
      include Mixins::Refang

      # @return [String]
      attr_reader :type

      # @return [String, nil]
      attr_reader :api_key

      #
      # @param [String] query
      # @param [Hash, nil] options
      # @param [String, nil] api_key
      #
      def initialize(query, options: nil, api_key: nil)
        super(refang(query), options: options)

        @type = TypeChecker.type(query)

        @api_key = api_key || Mihari.config.virustotal_api_key
      end

      def artifacts
        case type
        when "domain"
          domain_search
        when "ip"
          ip_search
        else
          raise ValueError, "#{query}(type: #{type || "unknown"}) is not supported." unless valid_type?
        end
      end

      def configuration_keys
        %w[virustotal_api_key]
      end

      private

      def client
        @client = Clients::VirusTotal.new(api_key: api_key)
      end

      #
      # Check whether a type is valid or not
      #
      # @return [Boolean]
      #
      def valid_type?
        %w[ip domain].include? type
      end

      #
      # Domain search
      #
      # @return [Array<Mihari::Artifact>]
      #
      def domain_search
        res = client.domain_search(query)

        data = res["data"] || []
        data.filter_map do |item|
          data = item.dig("attributes", "ip_address")
          data.nil? ? nil : Artifact.new(data: data, source: source, metadata: item)
        end
      end

      #
      # IP search
      #
      # @return [Array<Mihari::Artifact>]
      #
      def ip_search
        res = client.ip_search(query)

        data = res["data"] || []
        data.filter_map do |item|
          data = item.dig("attributes", "host_name")
          Artifact.new(data: data, source: source, metadata: item)
        end.uniq
      end
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
mihari-5.5.0	lib/mihari/analyzers/virustotal.rb
mihari-5.4.9	lib/mihari/analyzers/virustotal.rb
mihari-5.4.8	lib/mihari/analyzers/virustotal.rb
mihari-5.4.7	lib/mihari/analyzers/virustotal.rb
mihari-5.4.6	lib/mihari/analyzers/virustotal.rb
mihari-5.4.5	lib/mihari/analyzers/virustotal.rb
mihari-5.4.4	lib/mihari/analyzers/virustotal.rb