Gasmask is a free and open-source tool available on Github. Gasmask is an Open Source Intelligence and Information Gathering Tool based on (OSINT). Gasmask is capable of doing everything almost you need for reconnaissance as per your need it can perform reconnaissance easily. Gasmask works as an open-source tool intelligence tool. It integrates with just about every data source available and utilizes a range of methods for data analysis. Gasmask is written in python language. You must have python language installed into your Kali Linux system in order to use the Gasmask tool. This tool is used to get various information about our target. This information includes DNS server information, organization name, address, city, zip, country, email address related to the respective organization, registrars, naming servers, DNS information. The dependencies of the tool include Python 3, x validators, python-whois, dnspython, requests, nmap, shodan, censys, pprint. For information gathering, this tool uses the following modules and information gathering sources virustotal, yahoo, spyse, youtube, yandex, shodan, reverse dns, netcraft, whois, bing, censys.io, dns, github, dnsdumpster, instagram, crt, ask, dogpile. These were the modules for which the tool uses the publicly available data to get information about the target.
Features of Gasmask:
- Gasmask is a free and open-source tool available on Github. This means you can download and install this tool freely.
- Gasmask is an Open Source Intelligence and Information Gathering Tool (OSINT).
- Gasmask is used for performing reconnaissance.
- Gasmask works as an open-source tool intelligence tool which means open-source information is used by this tool to perform reconnaissance.
- Gasmask is written in python language. This means you must download and install python language in your Kali Linux operating system.
- Gasmask has some dependencies which are Python 3, x validators, python-whois, dnspython, requests, mmap, shodan, censys, pprint.
- Gasmask uses the following modules to perform reconnaissance dns, netcraft, whois, bing, censys.io, dns, Github, dnsdumpster, instagram, crt, ask, etc.
- Gasmask is a free tool. You don’t need to pay any amount to anyone to use this tool as it is an open-source tool.
Uses of Gasmask:
- Gasmask is used to perform reconnaissance.
- Gasmask is used for information gathering.
- Gasmask is used to find DNS information.
- Gasmask is used to find the names of the owner of the organization and the names of people of the respected domains.
- Gasmask is used to find the address of the domain organization located.
- Gasmask is used to find the city of the companies’ office.
- Gasmask is used to find the email addresses associated with the domain.
- Gasmask is used to find subdomains of the domain.
- Gaskmask’s Whois lookup is used to find whois information of the domain.
- Gasmask’s DNS queries are used to find DNS server information.
- Gasmask’s Bing Virtual Hosts is used to find hosts of the target.
Installation
Step 1. Open your Kali Linux operating system. Move to desktop. Here you have to create a directory called Gasmask. In this directory, you have to install the tool. To move to desktop use the following command.
cd Desktop
Step 2. Now you are on the desktop. Here you have to create a directory Gasmask. To create a Gasmask directory using the following command.
mkdir Gasmask
Step 3. Step 3. You have created a directory. Now use the following command to move into that directory.
cd Gasmask
Step 4. Now you are in the Gasmask directory. Now you have to install the tool using the following command. Use the following command to install Gasmask.
git clone https://github.com/twelvesec/gasmask.git
Step 5. The tool has been downloaded to your system now use the following command to list out the contents of the directory.
ls
Step 6. You can see there is a directory called gasmask. Move to this directory using the following command.
cd gasmask
Step 7. Now you are in the directory gasmask. Use the following command to list out the contents of the directory.
ls
Step 8. You can see so many files here (api_keys.txt gasmask.py readme.md etc). Now you have to install the requirements.txt of the tool to download the dependencies of the tool.
pip3 install -r requirements.txt
Step 9. All the requirements have been downloaded into the tool. Now you can run the tool using the following command.
python3 gasmask.py
Working with Gasmask
1. To perform reconnaissance on a website.
python3 gasmask.py -d testphp.vulnweb.com -i basic'
Use the above command for basic scanning of the tool.
The details which we got are given below.
\__ _/_ _ _ __ | |_ _ __ / __/ __ ___
| | \ \/ \/ // _ \| |\ \/ // _ \ \___ \_/ _ \/ _\
| | \ /\ _/| |\ /\ _/ / \ _/\ \__
|_| \/\/ \__ >_/\_/ \__ >__ /\__ >\__ >
\/ \/ \/ \/ \/
GasMasK v. 2.0 - All in one Information gathering tool - OSINT
GasMasK is an open source tool licensed under GPLv3.
Written by: @maldevel, mikismaos, xvass, ndamoulianos, sbrb
HOME
These details we got after scanning the website. By scanning the above website we got DNS information. Email addresses associated with the website. We got domain details.
2. To perform whois lookup on a website.
python3 gasmask.py -d testphp.vulnweb.com -i whois
The details we get after scanning are:
____ ._ ___
\__ _/_ _ _ __ | |_ _ __ / __/ __ ___
| | \ \/ \/ // _ \| |\ \/ // _ \ \___ \_/ _ \/ _\
| | \ /\ _/| |\ /\ _/ / \ _/\ \__
|_| \/\/ \__ >_/\_/ \__ >__ /\__ >\__ >
\/ \/ \/ \/ \/
GasMasK v. 2.0 - All in one Information gathering tool - OSINT
GasMasK is an open source tool licensed under GPLv3.
Written by: @maldevel, mikismaos, xvass, ndamoulianos, sbrb
HOME
Conclusion: These are the example that how you can get information about the target using Gasmask tool. It’s very easy to perform reconnaissance using the Gasmask tool. Gasmask is capable of doing everything almost you need for reconnaissance as per your need it can perform reconnaissance easily. Gasmask works as an open-source tool intelligence tool. It integrates with just about every data source available and utilizes a range of methods for data analysis.