Shodan Censys Search Generator
Create advanced search commands for cybersecurity research and network mapping
Security and Legal Notice
This tool is for authorized security research only. Only search assets you own or have explicit permission to test.
Search Command Builder
Generated Search Links
Configure your search parameters and confirm authorization to generate clickable search links for Shodan and Censys.
Search Information
Quick Search Templates
Search Operators Reference
Shodan Operators
port:
Search by port number
port:22
product:
Search by product name
product:"Apache httpd"
org:
Search by organization
org:"Google LLC"
vuln:
Search by CVE number
vuln:CVE-2021-44228
geo:
Search by country
geo:US
Censys Operators (CenQL)
services.port:
Search by service port
services.port:443
services.product:
Search by product
services.product:"nginx"
location.country:
Search by country
location.country:"United States"
parsed.subject.common_name:
Search SSL cert common name
parsed.subject.common_name:"*.example.com"
services.banner =~
Regex search in banners
services.banner =~ "OpenSSH.*"
When to Use Shodan Censys Search Generator
Asset Discovery
Discover and inventory internet-facing assets within your organization's network ranges for security assessment and compliance.
Vulnerability Research
Search for specific CVE vulnerabilities across your infrastructure to prioritize patching and understand exposure levels.
Certificate Management
Monitor SSL certificates across your domains, track expiration dates, and identify certificate-related security issues.
Threat Intelligence
Gather intelligence on threat actors, malicious infrastructure, and attack patterns for proactive security measures.
Compliance Monitoring
Ensure compliance with security standards by monitoring exposed services, outdated software, and configuration issues.
Security Research
Conduct authorized security research, analyze attack surfaces, and understand the security posture of internet-connected systems.
Frequently Asked Questions
What is Shodan and Censys search?
Shodan and Censys are search engines for Internet-connected devices. They scan the internet for open ports, services, and vulnerabilities, providing valuable data for cybersecurity research and network mapping.
What search filters are supported?
Our generator supports port filters, service detection, country/city filtering, organization searches, product version detection, SSL certificate searches, and vulnerability identification for both Shodan and Censys.
Is this Shodan Censys generator free?
Yes, our Shodan Censys search command generator is completely free to use. Generate unlimited search queries with no registration required. However, accessing Shodan and Censys results may require their respective accounts.
Can I search for specific vulnerabilities?
Yes, you can search for specific CVE numbers, vulnerability types, and security issues. Use our vulnerability filter to find devices affected by known security flaws like Heartbleed, EternalBlue, or specific CVE identifiers.
How do I search for devices in specific countries?
Use the country filter to specify ISO country codes (e.g., US, CN, DE) or city names. This helps narrow down your search to specific geographical regions for targeted security research.
What is the difference between Shodan and Censys?
Shodan focuses on IoT devices and industrial systems, while Censys specializes in internet-wide scanning and certificate analysis. Both provide valuable but different perspectives on internet-connected infrastructure.
Are these searches legal for security research?
Yes, using Shodan and Censys for legitimate security research, vulnerability assessment, and network discovery is legal. However, always ensure you have proper authorization before testing or accessing any systems.
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