```
*******************************************************************
* *
* | |_| |__ ___ /\ /\__ _ _ ____ _____ ___| |_ ___ _ __ *
* | __| '_ \ / _ \ / /_/ / _` | '__\ \ / / _ \/ __| __/ _ \ '__| *
* | |_| | | | __/ / __ / (_| | | \ V / __/\__ \ || __/ | *
* \__|_| |_|\___| \/ /_/ \__,_|_| \_/ \___||___/\__\___|_| *
* *
* theHarvester 3.1.0 dev *
* Coded by Christian Martorella *
* Edge-Security Research *
* cmartorella@edge-security.com *
*******************************************************************
```
[](https://travis-ci.com/laramies/theHarvester) [](https://lgtm.com/projects/g/laramies/theHarvester/context:python)
What is this?
-------------
theHarvester is a very simple, yet effective tool designed to be used in the early
stages of a penetration test. Use it for open source intelligence gathering and
helping to determine a company's external threat landscape on the internet. The
tool gathers emails, names, subdomains, IPs, and URLs using multiple public data
sources that include:
Passive:
--------
* baidu: Baidu search engine - www.baidu.com
* bing: Microsoft search engine - www.bing.com
* bingapi: Microsoft search engine, through the API (Requires API key, see below.)
* censys: Censys.io search engine - www.censys.io
* crtsh: Comodo Certificate search - www.crt.sh
* dnsdumpster: DNSdumpster search engine - dnsdumpster.com
* dogpile: Dogpile search engine - www.dogpile.com
* duckduckgo: DuckDuckGo search engine - www.duckduckgo.com
* github-code: Github code search engine (Requires Github Personal Access Token, see below.) - www.github.com
* google: Google search engine (Optional Google dorking.) - www.google.com
* hunter: Hunter search engine (Requires API key, see below.) - www.hunter.io
* intelx: Intelx search engine (Requires API key, see below.) - www.intelx.io
* linkedin: Google search engine, specific search for Linkedin users - www.linkedin.com
* netcraft: Netcraft Data Mining - www.netcraft.com
* securityTrails: Security Trails search engine, the world's largest repository
of historical DNS data (Requires API key, see below.) - www.securitytrails.com
* shodan: Shodan search engine, will search for ports and banners from discovered
hosts - www.shodanhq.com
* threatcrowd: Open source threat intelligence - www.threatcrowd.org
* trello: Search trello boards (Uses Google search.)
* twitter: Twitter accounts related to a specific domain (Uses Google search.)
* vhost: Bing virtual hosts search
* virustotal: virustotal.com domain search
* yahoo: Yahoo search engine
Active:
-------
* DNS brute force: dictionary brute force enumeration
* DNS reverse lookup: reverse lookup of IP´s discovered in order to find hostnames
* DNS TDL expansion: TLD dictionary brute force enumeration
Modules that require an API key:
--------------------------------
Add your keys to api-keys.yaml
* bingapi
* github
* hunter
* intelx
* securityTrails
* shodan
Dependencies:
-------------
* Python 3.6+
* python3 -m pip install -r requirements.txt
* Recommend that you use a virtualenv when cloning from git
Comments, bugs, or requests?
----------------------------
* [](https://twitter.com/laramies) Christian Martorella @laramies
* cmartorella@edge-security.com
Main contributors:
------------------
* [](https://twitter.com/NotoriousRebel1) Matthew Brown @NotoriousRebel1
* [](https://twitter.com/jay_townsend1) Jay "L1ghtn1ng" Townsend @jay_townsend1
* [](https://www.linkedin.com/in/janoszold/) Janos Zold
* [](https://twitter.com/discoverscripts) Lee Baird @discoverscripts
Thanks:
-------
* John Matherly - Shodan project
* Ahmed Aboul Ela - subdomain names dictionaries (big and small)