# Open-source intelligence (OSINT) Open-source intelligence (OSINT) is data collected from open source and publicly available sources. The following are a few OSINT resources and references: ## Passive Recon Tools: - [Maltego](https://www.paterva.com/web7/) - [Shodan](https://shodan.io) - [Recon-NG](https://github.com/lanmaster53/recon-ng) - [SpiderFoot](http://spiderfoot.net) - [Buscador VM](https://inteltechniques.com/buscador) - [Visual SEO Studio](https://visual-seo.com/) - [Scrapy](https://scrapy.org) - [Screaming Frog](https://www.screamingfrog.co.uk) - [Xenu](http://home.snafu.de) - [ExtractMetadata](http://www.extractmetadata.com) - [FOCA](https://elevenpaths.com) - [Exiftool](https://www.sno.phy.queensu.ca/~phil/exiftool/) - [Web Data Extractor](http://www.webextractor.com) - [IntelTechniques](https://inteltechniques.com) - [Findsubdomains](https://findsubdomains.com/) ## Open Source Threat Intelligence - [GOSINT](https://github.com/ciscocsirt/gosint) - a project used for collecting, processing, and exporting high quality indicators of compromise (IOCs). GOSINT allows a security analyst to collect and standardize structured and unstructured threat intelligence. - [Awesome Threat Intelligence](https://github.com/santosomar/awesome-threat-intelligence) - A curated list of awesome Threat Intelligence resources. This is a great resource and I try to contribute to it. ## IP address and DNS Lookup Tools - [bgp](https://bgp.he.net/) - [Bgpview](https://bgpview.io/) - [DataSploit (IP Address Modules)](https://github.com/DataSploit/datasploit/tree/master/ip) - [Domain Dossier](https://centralops.net/co/domaindossier.aspx) - [Domaintoipconverter](http://domaintoipconverter.com/) - [Googleapps Dig](https://toolbox.googleapps.com/apps/dig/) - [Hurricane Electric BGP Toolkit](https://bgp.he.net/) - [ICANN Whois](https://whois.icann.org/en) - [Massdns](https://github.com/blechschmidt/massdns) - [Mxtoolbox](https://mxtoolbox.com/BulkLookup.aspx) - [Ultratools ipv6Info](https://www.ultratools.com/tools/ipv6Info) - [Viewdns](https://viewdns.info/) - [Umbrella (OpenDNS) Popularity List](http://s3-us-west-1.amazonaws.com/umbrella-static/index.html)