osquery-python

osquery exposes an operating system as a high-performance relational database. This allows you to write SQL-based queries to explore operating system data. With osquery, SQL tables represent abstract concepts such as running processes, loaded kernel modules, open network connections, browser plugins, hardware events or file hashes.

If you're interested in learning more about osquery, visit the GitHub project, the website, and the users guide.

What is osquery-python?

https://travis-ci.org/osquery/osquery-python.svg?branch=master

In osquery, SQL tables, configuration retrieval, log handling, etc are implemented via a simple, robust plugin and extensions API. This project contains the official Python bindings for creating osquery extensions in Python. Consider the following example:

import osquery

@osquery.register_plugin
class MyTablePlugin(osquery.TablePlugin):
    def name(self):
        return "foobar"

    def columns(self):
        return [
            osquery.TableColumn(name="foo", type=osquery.STRING),
            osquery.TableColumn(name="baz", type=osquery.STRING),
        ]

    def generate(self, context):
        query_data = []

        for _ in range(2):
            row = {}
            row["foo"] = "bar"
            row["baz"] = "baz"
            query_data.append(row)

        return query_data

if __name__ == "__main__":
    osquery.start_extension(name="my_awesome_extension",
                            version="1.0.0",)

To test this code start an osquery shell:

osqueryi --nodisable_extensions
osquery> select value from osquery_flags where name = 'extensions_socket';
+-----------------------------------+
| value                             |
+-----------------------------------+
| /Users/USERNAME/.osquery/shell.em |
+-----------------------------------+

Then start the Python extension:

python ./my_table_plugin.py --socket /Users/USERNAME/.osquery/shell.em

This will register a table called "foobar". As you can see, the table will return two rows:

osquery> select * from foobar;
+-----+-----+
| foo | baz |
+-----+-----+
| bar | baz |
| bar | baz |
+-----+-----+
osquery>

This is obviously a contrived example, but it's easy to imagine the possibilities.

Using the instructions found on the wiki, you can easily deploy your extension with an existing osquery deployment.

Extensions are the core way that you can extend and customize osquery. At Facebook, we use extensions extensively to implement many plugins that take advantage of internal APIs and tools.

Execute queries in Python

The same Thrift bindings can be used to create a Python client for the osqueryd or osqueryi's extension socket. There are helper classes provided that spawn an ephemeral osquery process for consecutive or long running client instances.

import osquery

if __name__ == "__main__":
    # Spawn an osquery process using an ephemeral extension socket.
    instance = osquery.SpawnInstance()
    instance.open()

    # Issues queries and call osquery Thrift APIs.
    instance.client.query("select timestamp from time")

Install

This module is currently in "beta mode". We're testing the API and UX before uploading the module to PyPI.

To install, clone this repo and run the following:

python setup.py build
python setup.py install

Alternatively, if you don't want to clone the repo, you can simply:

pip install git+git://github.com/osquery/osquery-python.git

Development

See CONTRIBUTING.md and the osquery wiki for development information.

Vulnerabilities

Facebook has a bug bounty program that includes osquery. If you find a security vulnerability in osquery, please submit it via the process outlined on that page and do not file a public issue. For more information on finding vulnerabilities in osquery, see a recent blog post about bug-hunting osquery.

License

tehmas/osquery-python

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