Punicoder – discover domains that are phishing you

So we’re seeing homograph attacks again. Examples show how ‘apple.com’ and ‘epic.com’ can be mimicked by the use of Internationalized Domain Names (IDN) consisting entirely of unicode characters, i.e. xn--80ak6aa92e.com and xn--e1awd7f.com respectively.

As I found myself looking for ways to discover domain names that could be used for phishing attempts, I created a Python script called Punicoder to do the hard work for me. See the screenshot below for example output, and try it out for yourself here.

Punicoder output

Pro tip: use the following series of commands to find out if any of these domains resolve:

pieter@ubuntu:~$ python punicoder.py google.com | cut -d' ' -f2 | nslookup | grep -Pzo '(?s)Name:\s(.*?)Address: (.*?).Server'
Name: xn--oogle-qmc.com
Address: 185.53.178.7
Server
Name: xn--gogl-0nd52e.com
Address: 216.239.32.27
Server
Name: xn--gogl-1nd42e.com
Address: 216.239.32.27
Server
Name: xn--oole-z7bc.com
Address: 50.63.202.59
Server
Name: xn--goole-tmc.com
Address: 75.119.220.238
Server
Name: xn--ggle-55da.com
Address: 216.239.32.27
Server

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