Gasmask – OSINT Information Gathering Tool

GasMask is an all-in-one Open-Source Intelligence (OSINT) tool, designed to help Penetration Testers and Red Teams effectively gather information from publicly available sources.

Gasmask - Information Gathering Tool - OSINT
Gasmask – Information Gathering Tool – OSINT

GasMask is useful for Penetration Testers and Red Teams that wish to collect as much information as possible about a target client. Information gathering is the most critical step to discover preliminary information about the systems, their software and the people involved with the target.

The tool support a large list of third parties to make the information gathering including:

  • ask
  • bing
  • crt
  • censys.io
  • dns
  • dnsdumpster
  • dogpile
  • github
  • google
  • instagram
  • linkedin
  • netcraft
  • pgp
  • reddit
  • reverse dns
  • shodan
  • twitter
  • vhosts
  • virustotal
  • whois
  • yahoo
  • yandex
  • youtube

There are several modes the basic runs with google search engine while the non basic involves other search engines this to collect as much as possible data from combined search engines:

  • Basic Mode
    • Whois lookup
    • DNS queries
    • Reverse DNS Lookup
    • Bing Virtual Hosts
  • Nongoogle Mode
    • Whois lookup
    • DNS queries
    • Reverse DNS Lookup
    • Bing Virtual Hosts
    • Search in Bing
    • Search in Yahoo
    • Search in ASK
    • Search in Dogpile
    • Search in Yandex
    • Search in Crt
    • Search in DNSdumpster
    • Search in Netcraft
    • Search in VirusTotal

You can read more and download this tool over here: https://github.com/twelvesec/gasmask

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