All Rooms
Passive Reconnaissance
easy30 mintryhackme
Introduction to passive reconnaissance — gathering information about a target without directly interacting with their systems. Covers WHOIS lookups, DNS queries (nslookup, dig), DNSDumpster for subdomain discovery, and Shodan.io for internet-facing device intelligence. No machines to deploy — all queries against public services.
Skills You Will Learn
passive-reconwhoisdns-enumerationosintshodan
Prerequisites
- networking-basics
Walkthrough Phases
1
Passive vs Active Recon
Understand the difference and why it matters legally
2
Passive Recon Tools
Use WHOIS, DNS, DNSDumpster, and Shodan