HostHunter Recon Tool for Discovering Hostnames
HostHunter Recon Tool for Discovering Hostnames

HostHunter: Recon Tool for Discovering Hostnames using OSINT Techniques

A tool to efficiently discover and extract hostnames providing a large set of target IP addresses. HostHunter utilises simple OSINT techniques to map IP addresses with virtual hostnames. It generates a CSV or TXT file containing the results of the reconnaissance.

Latest version of HostHunter also takes screenshots of the targets, it is currently a beta functionality.

HostHunter Help
HostHunter Help


  • Tested with Python 3.7.2.

Linux / Mac OS

Install python dependencies.

$ pip3 install -r requirements.txt

The next few steps are only required if you would like to use the Screen Capture feature.

  • Download and install the latest version of Google Chrome.

Mac OS:

$ brew cask install google-chrome


$ wget
$ dpkg -i ./google-chrome-stable_current_amd64.deb
$ sudo apt-get install -f
  • Download and install the latest ChromeDriver.

Mac OS:

wget -O /tmp/ && sudo unzip /tmp/ chromedriver -d /usr/local/bin/;


wget -O /tmp/ && sudo unzip /tmp/ chromedriver -d /usr/local/bin/;

Simple Usage Example

python3 <targets.txt>
cat vhosts.csv

More Examples

HostHunter Help Page

$ python3 -h
usage: [-h] [-b] [-f FORMAT] [-o OUTPUT] [-sc] [-t TARGET] [-V]

|<--- HostHunter v1.5 - Help Page --->|

positional arguments:
  targets               Sets the path of the target IPs file.

optional arguments:
  -h, --help            show this help message and exit
  -b, --bing            Use search engine to discover more hostnames
                        associated with the target IP addresses.
  -f FORMAT, --format FORMAT
                        Choose between CSV and TXT output file formats.
  -o OUTPUT, --output OUTPUT
                        Sets the path of the output file.
  -sc, --screen-capture
                        Capture a screen shot of any associated Web
  -t TARGET, --target TARGET
                        Scan a Single IP.
  -V, --version         Displays the current version.

Run HostHunter with Bing and Screen Capture modules enabled

python3 <targets.txt> --bing -sc -f csv -o hosts.csv

Display Results

cat hosts.csv

View Screenshots

open ./screen_captures/


  • Works with Python3
  • Extracts information from SSL/TLS certificates.
  • Supports Free HackerTarget API requests.
  • Scraps results.
  • Takes Screenshots of the target applications.
  • Validates the targets IPv4 address.
  • Supports .txt and .csv output file formats
  • Gathers information from HTTP headers. [X] Verifies Internet access. [X] Finds hostnames in 80/TCP, 443/TCP and 21/TCP ports.
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HostHunter a recon tool for discovering hostnames using OSINT techniques.