class Mihari::Analyzers::DNSTwister
Attributes
type[R]
Public Class Methods
new(*args, **kwargs)
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Calls superclass method
Mihari::Analyzers::Base::new
# File lib/mihari/analyzers/dnstwister.rb, line 19 def initialize(*args, **kwargs) super @query = refang(query) @type = TypeChecker.type(query) end
Public Instance Methods
artifacts()
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# File lib/mihari/analyzers/dnstwister.rb, line 26 def artifacts search || [] end
Private Instance Methods
api()
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# File lib/mihari/analyzers/dnstwister.rb, line 41 def api @api ||= ::DNSTwister::API.new end
resolvable?(domain)
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Check whether a domain is resolvable or not
@param [String] domain
@return [Boolean]
# File lib/mihari/analyzers/dnstwister.rb, line 52 def resolvable?(domain) Resolv.getaddress domain true rescue Resolv::ResolvError => _e false end
search()
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Search
@return [Array<String>]
# File lib/mihari/analyzers/dnstwister.rb, line 64 def search raise InvalidInputError, "#{query}(type: #{type || "unknown"}) is not supported." unless valid_type? res = api.fuzz(query) fuzzy_domains = res["fuzzy_domains"] || [] domains = fuzzy_domains.map { |domain| domain["domain"] } Parallel.map(domains) do |domain| resolvable?(domain) ? domain : nil end.compact end
valid_type?()
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Check whether a type is valid or not
@return [Boolean]
# File lib/mihari/analyzers/dnstwister.rb, line 37 def valid_type? type == "domain" end