Class: Snackhack2::PhishingTlds

Inherits:
PhishingData show all
Defined in:
lib/snackhack2/phishing_tlds.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from PhishingData

#domain_keywords

Constructor Details

#initialize ⇒ PhishingTlds

Returns a new instance of PhishingTlds.



87
88
89
 
# File 'lib/snackhack2/phishing_tlds.rb', line 87

def initialize
    @site = site
end

Instance Attribute Details

#site ⇒ Object

Returns the value of attribute site.



86
87
88
 
# File 'lib/snackhack2/phishing_tlds.rb', line 86

def site
  @site
end

Instance Method Details

#add_tlds(list) ⇒ Object 



197
198
199
200
201
202
203
204
205
206
207
208
 
# File 'lib/snackhack2/phishing_tlds.rb', line 197

def add_tlds(list)
  # takes the newly created domains (list)
  # and adds the tlds (domains) to the newly created
  # ones. 
  o = []
  list.each do |rr|
    domains.each do |dd|
      o << "#{rr}#{dd}"
    end
  end
o
end

#change_tld(no_tld: true) ⇒ Object 



243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
 
# File 'lib/snackhack2/phishing_tlds.rb', line 243

def change_tld(no_tld: true)
  # This method will take the inputted site in @site and 
  # remove the TLDs and add a new TLDs to the domain. 
  # its uses the 'domain' method in the PhishingData class
  # which has an array of a bunch of different tlds. 
  

  # if the @site does not have a tlds
  if no_tld
    new_domains = []
    # loop through the tlds
    domains.each do |d|
      # combine the inputed @site
      # and the tlds 
      new_domains << "#{@site}#{d}"
    end
    new_domains
  else
    # If the @site does have a TLDs.
    
    # this is where the final results
    # are stored. 
    list_of_domains = []
    
    # removes .com, .org, etc
    ds = remove_tlds
  
    # join the elements together with .
    ds = ds.join(".")
    
    # loops through the tlds
    domains.each do |tlds|
        # adds the new domains to the array
        list_of_domains << "#{ds}#{tlds}" 
        #ds + tlds
    end
  list_of_domains
  end
end

#check_domains(array: true) ⇒ Object 



112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
 
# File 'lib/snackhack2/phishing_tlds.rb', line 112

def check_domains(array: true)
  # The function of this method is to
  # check if the given domains are valid or not. 
  # By valid I mean resolvable and active. 
  
  
  # if domains is set to true, this array will hold the domains 
  domains_out = []
  
  # build the list of domains
  generated_tlds = change_tld
  
  valid_domains = []
  not_valid_domains = []
  
  generated_tlds.each do |domain|
    # if array is true; add the domains to array
    if array
      domains_out << domain
    else
      # if array is false print out the domains
      puts domain
    end
    domains_out if array
  end
end

#combosquatting ⇒ Object 



209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
 
# File 'lib/snackhack2/phishing_tlds.rb', line 209

def combosquatting
  # where the generated domains will be located.
  results = []
  
  # get the domain_keywords array from the PhishingData class.
  keywords = domain_keywords
  
  prefixes = ["-", ".", "--"]
  ds = remove_tlds
  # this will generate the 'new_domain' with the keywords
  # as a prefix
  prefixes.each do |pre|
    ds.each do |domain|
      keywords.each do |key|
        new_domain = "#{key}#{pre}#{domain}"
        results << new_domain
      end
    end
  end
  suffixes = ["-", ".", "--"]
  # this will generate the 'new_domain' with the keywords
  # as a suffixes
  suffixes.each do |suf|
    ds.each do |domain|
      keywords.each do |key|
        new_domain = "#{domain}#{suf}#{key}"
        results << new_domain
      end
    end
  end
# adds the tlds to the newly created domains

add_tlds(results)
end

#idn_homograph ⇒ Object 



282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
 
# File 'lib/snackhack2/phishing_tlds.rb', line 282

def idn_homograph 
  letters = {
    "o" => ["0", "О", "ó", "о","ο","օ","ȯ","ọ","ỏ","ơ","ó","ö"],
    "i" => ["1","ı", "ỉ", "і", "í", "ï"],
    "a" => ["а","α", "ạ"],
    "h" => ["н", "һ", "ĥ"], 
    "c" => ["с"],
    "I" => "l",
    "e" => ["е", "℮", "ё", "ė", "ẹ"],
    "b" => [ "þ", "в", "B" ],
    "g" => [ "ɢ"],
    "l" => ["Ɩ", "Ι"],
    "m" => ["m", "ʍ", "м"],
    "t" => ["т", "ţ"],
    "p" => ["р"],
    "y" => ["у", "ý"],
    "k" => ["ķ"],
    "d" => ["ɗ"],
    "z" => ["ź","ʐ", "ż"],
    "s" => ["ś", "ṣ"],
    "u" => ["ų", "υ", "ս","ü","ú","ù"],
    "n" => ["ń", "ñ"],
    "r" => ["ɾ", "R", "r", "ʀ", "Ի", "Ꮢ", "ᚱ", "Ｒ", "ｒ"],
    "ll" => ["ǁ"],
    "q" => ["զ"],
    "j" => ["ј", "ʝ"],
    "v" => ["ν", "ѵ"],
    "x" => ["х" "ҳ"]
  }
  tlds = @site.split(".")
  # removes the tlds
  tlds.pop
  # joins back the rest of the site
  tlds = tlds.join(".")

  new_domains = []
  letters.each do |k, v|
    tlds.split(//).each do |letter|
      # if the letter elements
      # are qual to the key vlaue 
      # located in the letters hash
      if letter.eql?(k)
        # find the key and replace it 
        # the v ( idn )
        if v.kind_of?(Array)
          # detct if the v ( value ) 
          # is an array. If it is 
          # then it will "randomly" pick an element
          v = v.sample
        end
        new_domains <<  tlds.gsub(k, v)                                                                                          
      end
    end
  end
add_tlds(new_domains)
end

#remove_letters(array_out: true) ⇒ Object 



138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
 
# File 'lib/snackhack2/phishing_tlds.rb', line 138

def remove_letters(array_out: true)
  # This method will remove letters that 
  # occur more than once. For example:
  # google.com would become goggle.com
  
  # store the letter count in a hash. 
  letter_count = {}
  
  ds = remove_tlds
  
  # Creates an array with each character being
  # stored in a element. It will loop through the array 
  # and figure out the number of occurrences for each character
  ds.shift.split(//).each do |letter|
    if letter_count.has_key?(letter)
        letter_count[letter] += 1
    else
        letter_count[letter] = 1
    end
  end
  
  # After it creates the hash with the character and 
  # the number of time it cocures. This method 
  # will loop through the hash and check to see
  # if the value is greater than 1. If it is then the key ( the letter)
  # is added to the array named 'letters_with_more_than_one'
  letters_with_more_than_one = []
  letter_count.each do |key, value|
    if value > 1
        letters_with_more_than_one << key
    end
  end
  
  
  ds = remove_tlds
  new_ds = ds.shift
  
  # the final array with the duplicates letters removed
  remove_letters_out = []
  
  # Loops through the 'letters_with_more_than_one'
  # array and uses 'sub' to remove the occurence
  # of one of the letters
  letters_with_more_than_one.each do |l|
      # removes only first character ( l )
      remove_letters_out <<  new_ds.sub(l, "")
      # removes ALL chracters ( l )
      remove_letters_out <<  new_ds.gsub(l, "")
  end
  # add tldds to the created list
  domains_with_tlds = add_tlds(remove_letters_out)
  if array_out
      domains_with_tlds
  else
     # will print the contents of the array
     # instead of returning the array
     domains_with_tlds.each  { |a| puts a }
  end
end