List of Best Hacker-Friendly Search Engines
General Search Engines
Servers
- Shodan – Search Engine for the Internet of Everything
- Censys Search – Search Engine for every server on the Internet to reduce exposure and improve security.
- Onyphe.io – Cyber Defense Search Engine for open-source and cyber threat intelligence data
- ZoomEye – Global cyberspace mapping
- GreyNoise – The source for understanding internet noise
- Natlas – Scaling Network Scanning
- Netlas.io – Discover, Research and Monitor any Assets Available Online
- FOFA – Cyberspace mapping
Vulnerabilities
- NIST NVD – National Vulnerability Database
- MITRE CVE – Identify, define, and catalog publicly disclosed cybersecurity vulnerabilities
- GitHub Advisory Database – Security vulnerability database inclusive of CVEs and GitHub-originated security advisories
- cloudvulndb.org – The Open Cloud Vulnerability & Security Issue Database
- osv.dev – Open Source Vulnerabilities
- Vulners.com – Your Search Engine for Security Intelligence
- opencve.io – Easiest way to track CVE updates and be alerted about new vulnerabilities
- security.snyk.io – Open Source Vulnerability Database
- Mend Vulnerability Database – The largest open-source vulnerability DB
- Rapid7 – DB – Vulnerability & Exploit Database
- CVEDetails – The ultimate security vulnerability data source
- VulnIQ – Vulnerability intelligence and management solution
- SynapsInt – The unified OSINT research tool
- Aqua Vulnerability Database – Vulnerabilities and weaknesses in open source applications and cloud-native infrastructure
- Vulmon – Vulnerability and exploit search engine
- VulDB – Number one vulnerability database
- ScanFactory – Realtime Security Monitoring
- Trend Micro Zero Day Initiative – Publicly disclosed vulnerabilities discovered by Zero Day Initiative researchers
- Google Project Zero – Vulnerabilities including Zero Days
Exploits
- Exploit-DB – Exploit Database
- Sploitus – Convenient central place for identifying the newest exploits
- Rapid7 – DB – Vulnerability & Exploit Database
- Vulmon – Vulnerability and exploit search engine
- packetstormsecurity.com – Information Security Services, News, Files, Tools, Exploits, Advisories and Whitepapers
- 0day.today – Ultimate database of exploits and vulnerabilities
- LOLBAS – Living Off The Land Binaries, Scripts and Libraries
- GTFOBins – Curated list of Unix binaries that can be used to bypass local security restrictions in misconfigured systems
- Payloads All The Things – A list of useful payloads and bypasses for Web Application Security
- XSS Payloads – The wonderland of JavaScript unexpected usages, and more
- exploitalert.com – Database of Exploits
Attack Surface
- FullHunt.io – Attack surface database of the entire Internet
- BynaryEdge – We scan the web and gather data for you
- Censys ASM – Attack Surface Management Solutions
- RedHunt Labs – Discover your Attack Surface, Continuously
- SecurityTrails – The Total Internet Inventory
- overcast-security.com – We make tracking your external attack surface easy
Code Search Engines
- GitHub Code Search – Search globally across all of GitHub, or scope your search to a particular repository or organization
- grep.app – Search across a half million git repos
- publicwww.com – Find any alphanumeric snippet, signature or keyword in the web page’s HTML, JS and CSS code
- SearchCode – Search 75 billion lines of code from 40 million projects
- NerdyData – Find companies based on their website’s tech stack or code
- RepoSearch – Source code search engine that helps you find implementation details, example usages or just analyze code
- SourceGraph – Understand and search across your entire codebase
- HotExamples – Search code examples from over 1 million projects
- WP Directory – Lightning-fast regex searching of code in the WordPress Plugin and Theme Directories
Mail Addresses
- Hunter.io – Find professional email addresses in seconds
- PhoneBook – Lists all domains, email addresses, or URLs for the given input domain
- IntelligenceX – Search engine and data archive
- Reacher.email – Open-Source Email Verification
- RocketReach – Your first-degree connection to any professional
- email-format.com – Find the email address formats in use at thousands of companies
- EmailHippo – Email address verification technology
- ThatsThem – Reverse email lookup
- verify-email.org – Checks whether the mailbox exists or not
- Melissa – Emailcheck – Check email addresses and verify they are live
- VoilaNorbert – I can find anyone’s email address
- SynapsInt – The unified OSINT research tool
- skymem.info – Find email addresses of companies and people
- findemails.com – Find Anyone’s Email Address in Seconds
Domains
- PhoneBook – Lists all domains, email addresses, or URLs for the given input domain
- IntelligenceX – Search engine and data archive
- Omnisint – Subdomain enumeration
- Riddler – Allows you to search in a high-quality dataset
- RobTex – Various kinds of research of IP numbers, Domain names, etc
- CentralOps – DomainDossier – Investigate domains and IP addresses
- DomainIQ – Comprehensive Domain Intelligence
- whois.domaintools.com – The industry’s fastest domain discovery engine and broadest, most accurate data
- grayhatwarfare.com – domains – How to search URLs exposed by Shortener services
- whoisology.com – Deep Connections Between Domain Names & Their Owners
- who.is – WHOIS Search, Domain Name, Website, and IP Tools
- pentest-tools.com – Discover subdomains and determine the attack surface of an organization
- BuiltWith – Find out what websites are Built With
- MoonSearch – Backlinks checker & SEO Report
- sitereport.netcraft.com – Find out the infrastructure and technologies used by any site
- SynapsInt – The unified OSINT research tool
- spyonweb.com – Find out related websites
- statscrop.com – Millions of amazing websites across the web are being analyzed with StatsCrop
- securityheaders.com – Scan your site now
- visualsitemapper.com – Create a visual map of your site
- similarweb.com – The easiest and fastest tool to find out what’s really going on online
- buckets.grayhatwarfare.com – Public buckets
- C99.nl – Over 57 quality API’s and growing!
- PassiveTotal – Security intelligence that scales security operations and response
- wannabe1337.xyz – Online Tools
- subdomainfinder.c99.nl – Scanner that scans an entire domain to find as many subdomains as possible
URLs
- PhoneBook – Lists all domains, email addresses, or URLs for the given input domain
- IntelligenceX – Search engine and data archive
- URLScan – A sandbox for the web
- HackerTarget – Collect information about IP Addresses, Networks, Web Pages and DNS records
- MOZ Link Explorer – The world’s best backlink checker with over 40 trillion links
- shorteners.grayhatwarfare.com – Search URLs exposed by Shortener services
- CommonCrawl Index – Open repository of web crawl data
DNS
- DNSDumpster – DNS recon & research, find & lookup DNS records
- Chaos – Enhance research and analyse changes around DNS for better insights
- RapidDNS – dns query tool which makes querying subdomains or sites of the same ip easy
- DNSdb – Passive DNS historical database
- Omnisint – Reverse DNS lookup
- HackerTarget – Collect information about IP Addresses, Networks, Web Pages and DNS records
- passivedns.mnemonic.no – Web interface for querying passive DNS data collected in our malware lab
- ptrarchive.com – Over 230 billion reverse DNS entries from 2008 to the present
- dnshistory.org – Domain Name System Historical Record Archive
- DNSTwister – The anti-phishing domain name search engine and DNS monitoring service
- DNSviz – Tool for visualizing the status of a DNS zone
- C99.nl – Over 57 quality APIs and growing
- PassiveTotal – Security intelligence that scales security operations and response
- wannabe1337.xyz – Online Tools
Certificates
- Crt.sh – Certificate Search
- CTSearch – Certificate Transparency Search Tool
- tls.bufferover.run – Quickly find certificates in IPv4 space
- CertSpotter – Monitors your domains for expiring, unauthorized, and invalid SSL certificates
- SynapsInt – The unified OSINT research tool
- Censys Search – Certificates – Certificates Search
- PassiveTotal – Security intelligence that scales security operations and response
WiFi Networks
- Wigle.net – Maps and database of 802.11 wireless networks with statistics
- wifimap.io – Connect to all Free WiFi Hotspots using WiFi Map App all over the World!
- wificafespots.com – Free WiFi Cafe Spots
- wifispc.com – Free map of Wi-Fi passwords anywhere you go!
- openwifimap.net – HTML5 map with OpenWiFiMap data
- mylnikov.org – Public API implementation of Wi-Fi Geo-Location database
Device Information
- MAC Vendor Lookup – Look up the vendor for a specific MAC Address
- macvendors.com – Find MAC Address Vendors. Now.
- macaddress.io – MAC address vendor lookup
- maclookup.app – Find the vendor name of a device by entering an OUI or a MAC address
Credentials
- Have I Been Pwned – Check if your email or phone is in a data breach
- Dehashed – Free deep-web scans and protection against credential leaks
- Leak-Lookup – Search across thousands of data breaches
- Snusbase – Stay on top of the latest database breaches
- LeakCheck.io – Make sure your credentials haven’t been compromised
- crackstation.net -Massive pre-computed lookup tables to crack password hashes
- breachdirectory.org – Check if your information was exposed in a data breach
- BreachForums – Breaches, Data leaks, databases and more
- Siph0n Breach DB (onionsite) – Breaches, Data leaks, Exploits
- HashKiller – Pre-cracked Hashes, easily searchable
Hidden Services
- AHMIA – Search hidden services on the Tor network
- thehiddenwiki.org – The darknet guide
- tor.link – Free anonymous deep web / Darknet search engine
- deepweblinks.net – Onion Links
- onionengine.com – A search engine for services accessible on the Tor network
- OnionLand – Discover Hidden Services and access to Tor’s onion sites
Social Networks
These can be useful for osint and social engineering.
- YouTube
- Tumblr
- Flickr
- SnapChat
- Quora
- TikTok
- Vimeo
- Medium
- VK
- Tinder
Phone Numbers
- NumLookup – Free reverse phone lookup
- SpyDialer – Free Reverse Lookup Search
- WhitePages – Find people, contact info & background checks
- National Cellular Directory – Begin your comprehensive people search now
- Phone Validator – Is it a cell phone or is it a landline or is it a fake?
- Free Carrier Lookup – Enter a phone number and we’ll return the carrier name
- RocketReach – Your first-degree connection to any professional
- sync.me – Find out who called
- EmobileTracker – Track Mobile Owner Name, Location and Mobile Service Provider
- Reverse Phone Lookup – Find Out The Owner Of A Phone Number
- ThatsThem – Reverse phone lookup
- thisnumber.com – International Phone Directories
- usphonebook.com – Free Reverse Phone Number Lookup
- truepeoplesearch.com – Get current address, cell phone number, email address, relatives, friends and a lot more
- Tellows – Who is calling? The phone number reverse search
- SynapsInt – The unified OSINT research tool
- C99.nl – Over 57 quality API’s and growing
Threat Intelligence
- MITRE ATT&CK – Globally-accessible knowledge base of adversary tactics and techniques
- PulseDive – Threat intelligence made easy
- ThreatCrowd – A Search Engine for Threats
- ThreatMiner – Data Mining for Threat Intelligence
- VirusTotal – Analyze suspicious files, domains, IPs and URLs to detect malware and other breaches
- vx-underground.org – Malware library
- bazaar.abuse.ch – Malware sample database
- feodotracker.abuse.ch – List of botnet Command&Control servers
- sslbl.abuse.ch – All malicious SSL certificates
- urlhaus.abuse.ch – Propose new malware urls
- threatfox.abuse.ch – Indicator Of Compromise (IOC) database
- yaraify.abuse.ch – Scan suspicious files such as malware samples or process dumps against a large repository of YARA rules
- Rescure – Curated cyber threat intelligence for everyone
- otx.alienvault – The World’s First Truly Open Threat Intelligence Community
- urlquery.net – Service for detecting and analyzing web-based malware
- socradar.io – Extension to your SOC team
- VirusShare – System currently contains 48 million malware samples
- WikiLeaks – News leaks and classified media provided by anonymous sources
- PassiveTotal – Security intelligence that scales security operations and response
- malapi.io – Windows APIs used for malicious purposes
- filesec.io – Latest file extensions being used by attackers
- leakix.net – Search engine indexing public information and an open reporting platform linked to the results
- tria.ge – Fully automated solution for high-volume malware analysis using advanced sandboxing technology
- Polyswarm – Launchpad for new technologies and innovative threat detection methods
- Cisco Talos – The threat intelligence organization at the center of the Cisco Security portfolio
- scamsearch.io – Find your scammer online & report them
- CyberCampaigns – Threat Actor information and Write-Ups
Web History
- Web Archive – Explore more than 702 billion web pages saved over time
- Archive.ph – Create a copy of a webpage that will always be up even if the original link is down
- CachedPages – Get the cached page of any URL
- stored.website – View cached web pages/website
- CommonCrawl – Open repository of web crawl data
- UK Web Archive – Collects millions of websites each year, preserving them for future generations
Unclassified
- NetoGraph – Captures and indexes detailed, low-level snapshots of website behaviour
- DorkSearch – Speed up your Dorking
- usersearch.org – Find someone by username or email on Social Networks, Dating Sites, Forums, Crypto