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OpenPirate

Category

OSINT

Description

A pirate runs a website that sells counterfeit goods, it is available under the name heroctf.pirate. However, we can't get our hands on it, can you help us? Your goal is to find a way to access this website.

Format : Hero{flag}
Author : xanhacks

Write up

There are two ways of solving this challenge.

Using nslookup

You can resolve the heroctf.pirate IP address using one of OpenNIC's DNS servers. You can find the list on their website.

$ nslookup
> server 51.158.108.203 # ns1.fr
Default server: 51.158.108.203
Address: 51.158.108.203#53
> heroctf.pirate
;; communications error to 51.158.108.203#53: timed out
Server:         51.158.108.203
Address:        51.158.108.203#53

Name:   heroctf.pirate
Address: 13.38.112.148

Then, you can visit http://13.38.112.148 to obtain the flag.

OpenNIC proxy

You can use the OpenNIC proxy to visit the website heroctf.pirate with your web browser only (no DNS installation required).

Flag

Hero{OpenNIC_is_free!!!3586105739}