Shodan Reconnaissance and Pentesting

Provide systematic methodologies for leveraging Shodan as a reconnaissance tool during penetration testing engagements. This skill covers the Shodan web interface, command-line interface (CLI), REST API, search filters, on-demand scanning, and network monitoring capabilities for discovering exposed services, vulnerable systems, and IoT devices. *Filters consume 1 credit per query - Shodan Account : Free or paid account at shodan.io - API Key : Obtained from Shodan account dashboard - Target Information : IP addresses, domains, or network ranges to investigate - Shodan CLI : Python-based command-line tool installed - Authorization : Written permission for reconnaissance on target networks - Asset Inventory : List of discovered hosts, ports, and services - Vulnerability Report : Identified CVEs and exposed vulnerable services - Banner Data : Service banners revealing software versions - Network Mapping : Geographic and organizational distribution of assets - Screenshot Gallery : Visual reconnaissance of exposed interfaces - Exported Data : JSON/CSV files for further analysis - Rate limited to 1 request per second - Scan results not immediate (asynchronous) - Cannot re-scan same IP within 24 hours (non-Enterprise) - Free accounts have limited credits - Some data requires paid subscription - Shodan crawls continuously but data may be days/weeks old - On-demand scans provide...