Gophish – An Open-Source Phishing Toolkit

Gophish - An Open-Source Phishing Toolkit

Gophish is a powerful, open-source phishing framework that makes the simulation of real-world phishing attacks dead-simple.

The idea behind gophish is simple – make industry-grade phishing training available to everyone. “Available” in this case means two things:

  • Affordable – Gophish is open-source software that is completely free for anyone to use.
  • Accessible – Gophish is written in the Go programming language. This has the benefit that gophish releases are compiled binaries with no dependencies. In a nutshell, this makes installation as simple as “download and run”!

How To Install Gophish

Gophish is provided as a pre-built binary for most operating systems. With this being the case, installation is as simple as downloading the ZIP file containing the binary that is built for your OS and extracting the contents.

Building Gophish from Source

Since Gophish is written in the Go programming language, it is extremely simple to build from source. All you will need is the Go language and a C compiler (such as gcc).

To build gophish from source, simply run go get github.com/gophish/gophish. This downloads gophish into your $GOPATH.

Next, navigate to $GOPATH/src/github.com/gophish/gophish and run the command go build. This builds a gophish binary in the current directory.

Understanding the config.json

There are some settings that are configurable via a file called config.json, located in the gophish root directory. Here are some of the options that you can set to your preferences:

Be careful: Since the config.json file contains database credentials, you will want to ensure it is only readable by the correct user. For Linux users, you can do this using chmod 640 config.json.

Exposing Gophish to the Internet

By default, the phish_server.listen_url is configured to listen on all interfaces. This means that if the host Gophish is running on is exposed to the Internet (such as running on a VPS), the phishing server will be exposed to the Internet.

If you also want the admin server to be accessible over the Internet, you will need to change the entry for the admin_server.listen_url to 0.0.0.0:3333.

Be careful: Exposing the admin server to the Internet should only be used if needed. Before exposing the admin server to the Internet, it’s highly recommended to change the default password.

Using MySQL

The default database in Gophish is SQLite. This is perfectly functional, but some environments may benefit from leveraging a more robust database such as MySQL.

Support for Mysql has been added as of 0.3-dev. To setup Gophish for Mysql, a couple extra steps are needed.

Update config.json:

First, change the entries in config.json to match your deployment:

Example:

The format for the db_path entry is

Update MySQL Config:

Gophish uses a datetime format that is incompatible with MySQL >= 5.7. To fix this, Add the following lines to the bottom of /etc/mysql/mysql.cnf:

The above settings are the default modes for MySQL, but with NO_ZERO_IN_DATE and NO_ZERO_DATE removed.

Create the Database:

The last step you’ll need to do to leverage Mysql is to create the gophish database. To do this, log into mysql and run the command

After that, you’ll be good to go!

Now that you have gophish installed, you’re ready to run the software. To launch gophish, simply open a command shell and navigate to the directory the gophish binary is located.

Then, execute the gophish binary. You will see some informational output showing both the admin and phishing web servers starting up, as well as the database being created. This output will tell you the port numbers you can use to connect to the web interfaces.

To run Gophish as a service in Linux distributions, you will need to setup a service script. You can refer to this Github issue for an example implementation.

Now that you have gophish installed, you’re ready to run the software. To launch gophish, simply open a command shell and navigate to the directory the gophish binary is located.

Then, execute the gophish binary. You will see some informational output showing both the admin and phishing web servers starting up, as well as the database being created. This output will tell you the port numbers you can use to connect to the web interfaces.

 If your phishing server is set to run on TCP port 80, then you may need to run Gophish as an administrator so that it can bind to the privileged port.

to reach the login page.


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