Shodan
Before I begin, I must say Shodan is a one-of-a-kind search engine. In their own words, it is the world's first computer search engine, often dubbed as the search engine for hackers. We can use Shodan to find different types of information about a target.
Let us to do a search on web servers running Microsoft IIS running version 8.0 through Shodan:
Shodan presented us with a page listing entries it has in its database. Shodan provides a very decent and useful way to filter our result by the following criterion:
TOP COUNTRIES
TOP SERVICES
TOP ORGANIZATIONS
TOP OPERATING SYSTEMS
TOP PRODUCTS
Recently there was a publicly disclosed code execution flaw inside a Python-based debugger known as Werkzeug Debugger. We can give Shodan a shot and find out the computers running Werkzeug:
There we go! There is the list of computers running the vulnerable debugger.
Now let's find some ZTE OX253P routers. This particular brand of router is used widely by BSNL in India for providing WiMAX services...
