Re: [tor-bugs] #22369 [Metrics/Censorship analysis]: Increase of users in Ukraine due to block of Russia-based services

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#22369: Increase of users in Ukraine due to block of Russia-based services
-----------------------------------------+------------------------------
 Reporter:  dcf                          |          Owner:  metrics-team
     Type:  project                      |         Status:  new
 Priority:  Medium                       |      Milestone:
Component:  Metrics/Censorship analysis  |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  censorship block ua          |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
-----------------------------------------+------------------------------

Comment (by dcf):

 cacahuatl wrote a deobfuscator and produced this output:
  * attachment:blckd.json.decoded

 Deobfuscator source code:
 {{{
 #!/usr/bin/env python3
 import requests
 hosts = ['updtbrwsr.com', 'updtapi.com', 'brwsrapi.com', 'mrbrwsr.com',
 'savebrwsr.com', 'svbrwsr.com']
 salt = 1234567890
 for host in hosts:
         r = requests.get('https://update.{}/blckd.json'.format(host))
         j = b""
         for c in r.text:
                 j += bytes([(ord(c) ^ salt) & 0xff])
         print("%s" % j.decode('utf-8'))
 }}}

 The decoded file looks like this (abridged):
 {{{
 {
   "records": [
     {
       "host": "vk.com",
       "endpoint": "http://vk.com/ping.txt";,
       "hash": "b5b607d573e6a901ef215db6b1247404c92bb9ce"
     },
   ...
     "mail.ru"
   ],
   "defaults": {
     "endpoint": "http://vk.com/ping.txt";,
     "hash": "b5b607d573e6a901ef215db6b1247404c92bb9ce"
   }
 }
 }}}

 The list of `host`s in the lone `"mail.ru"` record contains these domains:
  * vk.com
  * vkontakte.ru
  * vk.me
  * vk.cc
  * ok.ru
  * odnoklassniki.ru
  * odnoklassniki.ua
  * ok.me
  * vk-cdn.net
  * userapi.com

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22369#comment:4>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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