Spicy Plugin for Zeek

This repository provides a Zeek package that adds Spicy support to Zeek through a plugin. After installing this package, you can then load Spicy-based protocol and file analyzers, such as those coming with the Spicy Analyzers package.


In addition to Zeek, you will first need to install Spicy. Please follow its instructions. Ensure that the Spicy toolchain is in your `PATH. For example, with Spicy installed to /opt/spicy and using bash`:

export PATH=/opt/spicy/bin:$PATH

Now which should be able to find spicy-config:

# which spicy-config

Please also install and configure the Zeek package manager.


Install through package manager

The easiest, and recommended, way to install the Spicy plugin is through the Zeek package manager:

# zkg install zeek/spicy-plugin

This will pull down the package, compile and test the plugin, and then install and activate it. To check that the plugin becomes available, run zeek -N Zeek::Spicy afterwards, it should show output like this:

# zeek -NN Zeek::Spicy
Zeek::Spicy - Support for Spicy parsers (*.spicy, *.evt, *.hlto) (dynamic, version x.y.z)

If you want to develop your own Spicy analyzers for Zeek, you will need a tool that comes with the plugin: `spicyz. Please see the [Spicy manual](https://docs.zeek.org/projects/spicy/en/latest/zeek.html#zeek_spicyz) on how to make spicyz show up in your PATH` after the plugin got installed.

Install manually

You can also install the plugin through normal CMake means. After cloning this repository, make sure that the Spicy tools are in your PATH, per above. Then build the plugin like this:

# (mkdir build && cd build && cmake -DCMAKE_INSTALL_PREFIX=/opt/spicy .. && make -j)

The tests should now pass:

# make -C tests

You can then install the plugin (which you may need to do as root so that you can write to the Zeek plugin directory):

# make -C build install

Zeek should now show it:

# zeek -N Zeek::Spicy
Zeek::Spicy - Support for Spicy parsers (*.spicy, *.evt, *.hlto) (dynamic, version x.y.z)

You will also find spicyz in ${prefix}/bin now.

By default, the plugin will search for precompiled *.hlto files in <prefix>/lib/zeek-spicy/modules. You change that path by setting ZEEK_SPICY_MODULE_DIR through CMake.


The plugin's documentation is part of the Spicy manual.


Just like Spicy, the plugin is open source and released under a BSD license.

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