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How to List Chrome Extensions Across All Mac, Windows, and Linux Devices

Using Kolide, You Can Easily View and Query Chrome Extensions Across Your Fleet.

Introduction

Google Chrome provides the ability to extend the core functionality of the browser via the installation of 'extensions'. Extensions may be published by Google by 3rd party authors, and can be distributed either through the Google Chrome Web Store or via manual download and installation.

A small subset of extensions are installed by default by Google (eg. Google Docs, Google Sheets, Google Slides, etc.).

Chrome extensions are installed on a per-profile basis and can be enabled or disabled while remaining installed.

Chrome Extensions can do, among other things:

  • Extend the functionality of Google Chrome (such as integrating with installed apps like 1Password)

  • Customize the appearance of Google Chrome through the installation of 'Theme' extensions

Kolide collects metadata about Chrome Extensions such as their name, their publisher, when they were installed, and whether they are enabled.

In addition to this host-specific data, Kolide enriches this information with Chrome Webstore analytics (such as rating and download count) and security advisories such as permissions risk scores.

What Chrome Extension Data Can Kolide Collect?

Kolide's endpoint agent bundles in osquery to performantly collect Chrome Extensions from Mac, Windows, and Linux devices in your fleet. Once collected, Kolide will parse, clean up, and centrally store this data in Inventory for your team to view, query, or export via API.

Kolide metliciously documents every piece of data returned so you can understand the results.

Chrome Extensions Schema

Column Type Description
id Primary Key

Unique identifier for the object

device_id Foreign Key

Device associated with the entry

device_name Text

Display name of the device associated with the entry

author Text

The author of the Chrome extension

browser_type Enum::Text

The flavor of "Chrome" the extension originates from

Can be one of the following:

  • chrome
  • chromium
  • opera
  • yandex
  • brave
  • edge
  • edge_beta
crxcavator_report Jsonb

The full CRXcavator JSON report

crxcavator_risk_csp_total Integer

The Content Security Policy (CSP) risk score. More info

crxcavator_risk_metadata_total Integer

The risk score based on the metadata embedded in the Chrome extension. More info

crxcavator_risk_permissions_total Integer

The risk score based on the permissions requested by the Chrome extension. More info

crxcavator_risk_retire_total Integer

The risk score from RetireJS based on severity of vulnerabilities found. More info

crxcavator_risk_total Integer

The total risk score tallying the CSP, Retire, Metadata, Webstore, and Permissions risk scores. More info

crxcavator_risk_webstore_total Integer

The risk score based on the info available in the Chrome Webstore. More info

crxcavator_updated_at Timestamp

The freshness of the CRXcavator data associated with this extension

description Text

Author supplied description of the Chrome extension

enabled Boolean

true if the Chrome extension is current enabled; otherwise false

from_webstore Boolean

true if the Chrome extension was installed from the web store; otherwise false

identifier Text

The unique identifier for the Chrome extension

installed_at Timestamp

The precise time the extension was installed at

locale Text

Default locale supported by extension

manifest_hash Text

The SHA256 hash of the manifest.json file

manifest_json Jsonb

The manifest file of the extension

name Text

The display name of the Chrome extension

optional_permissions Text[]

The permissions optionally required by the Chrome extension. Google Chrome Developer Permissions Reference

optional_permissions_json Jsonb

The JSON-encoded optionally required permissions by the extension

path Text

Path to Chrome extension folder

permissions Text[]

The permissions required by the Chrome extension. Google Chrome Developer Permissions Reference

permissions_json Jsonb

The JSON-encoded permissions required by the extension

persistent Boolean

true if the Chrome extension persists across all tabs, otherwise false

profile Text

The Chrome profile that installed this extension

referenced_by_preferences Boolean

true if the Chrome extension is referenced by the Preferences file of the profile; otherwise false

uid Bigint

The local user that owns the extension

update_url Text

Chrome extension-supplied update URL

webstore_icon_url Text

The Chrome Web Store url of the icon for the Chrome extension

webstore_last_updated_at Timestamp

The timestamp when the latest version of the extension was released in the Chrome Web Store

webstore_rating Float

The Chrome Web Store star rating (0 - 5) for the Chrome extension

webstore_rating_users_count Integer

The number of users who rated the Chrome extension

version Text

The text representation of the version

version_major Bigint

version's semver major version (ex: 4.2.1 would yield 4)

version_minor Bigint

version's semver minor version (ex: 4.2.1 would yield 2)

version_patch Bigint

version's semver patch version (ex: 4.2.1 would yield 1)

version_subpatch Bigint

version's numeric status fourth position number (ex: 4.2.1.6 would yield 6)

version_pre Text

version's semver pre-release version (ex: 1.2.3-prerelease+build would yield pre-release)

version_build Text

version's semver build version (ex: 1.2.3-prerelease+build would yield build)

collected_at Timestamp

Time the row of data was first collected in the database

updated_at Timestamp

Time the row of data was last changed in the database

What Can You Do With This Information?

Kolide enables you to write your own queries against the data the agent collects. This allows you to build your own reports and API endpoints. For example, you can:

Find chrome extensions installed across devices by matching partial name (Grammarly)
Kolide SQL
SELECT
device_name,
name AS extension_name,
version
 FROM device_chrome_extensions WHERE name ILIKE '%Grammarly%'
Example Results
version device_name extension_name
14.1041.0 mobius Grammarly for Chrome
14.1051.0 Adams-iMac-Pro Grammarly for Chrome
14.1042.0 lenovo-thinkpad-x1 Grammarly for Chrome
14.1051.0 home-box Grammarly for Chrome
Search for installations of browser extension by name (1Password)
Kolide SQL
WITH 
collated_extensions AS (
  SELECT
    device_id,
    browser_type AS browser,
    uid, 
    name, 
    identifier, 
    version, 
    '' AS profile
  FROM device_chrome_extensions
  UNION ALL
  SELECT
    device_id,
    'firefox' AS browser,
    uid, 
    name, 
    identifier, 
    version, 
    '' AS profile
  FROM device_firefox_addons
  UNION ALL
  SELECT
    device_id,
    'safari' AS browser,
    uid, 
    name, 
    team_identifier AS identifier, 
    version, '' AS profile
  FROM mac_safari_extensions
  )
  SELECT 
    COUNT(*) AS install_count, 
    name, 
    browser, 
    identifier, 
    version 
  FROM collated_extensions 
  WHERE name ILIKE '%1password%'
  GROUP BY identifier, name, browser, version
  ORDER BY install_count DESC
  LIMIT 10
Example Results
name browser version identifier install_count
1Password – Password Manager chrome 2.3.4 aeblfdkhhhdcdjpifhhbdiojplfjncoa 27
1Password extension (desktop app required) chrome 4.7.5.90 aomjjhallfgjeglblehebfpbcfeobpgk 11
1Password – Password Manager chrome 2.3.3 aeblfdkhhhdcdjpifhhbdiojplfjncoa 8
1Password – Password Manager chrome 2.3.2 aeblfdkhhhdcdjpifhhbdiojplfjncoa 8
1Password safari 7.9.5 2BUA8C4S2C 8
1Password safari 7.9.2 2BUA8C4S2C 7
1Password – Password Manager firefox 2.3.3 {d634138d-c276-4fc8-924b-40a0ea21d284} 4
1Password safari 7.8 2BUA8C4S2C 4
1Password beta (desktop app required) chrome 4.7.6.2 phicbbndgmmpogmijjkbmdhpioaieaha 4
1Password for Safari safari 2.2.3 2BUA8C4S2C 3

Why Should I Collect Chrome Extensions?

Due to the high-value of a user's browser activity, Chrome is a frequent target of malware authors who wish to obtain secure details about an end-user (eg. sites they visit, credit cards they use, etc.) and its extension configuration should be regularly audited to ensure that they are not at risk of attack.

Chrome Extension installations are cataloged and tracked to facilitate a number of potential purposes, for example:

  • Reviewing installed extensions to verify the desired configuration of Google Chrome (eg. 1Password extension is installed)

  • Discovering potential malicious extensions

  • Identifying extensions with overreaching permissions (eg. ability to record all browsing history)

End-User Privacy Consideration

Kolide practices Honest Security. We believe that data should be collected from end-user devices transparently and with privacy in mind.

Extensions which you install could reveal suggestive details about your personal browsing habits if they are named after a specific service you utilize. For example:

  • eBay Bid Sniper
  • Adult Website Video Downloader
  • Netflix Region Unblocker
  • Chrome BitCoin Miner

When you use Kolide to list Chrome Extension data from end-user devices, Kolide gives the people using those devices insight into exactly what data is collected, the privacy implications, and who on the IT team can see the data. This all happens in our end-user privacy center which can be accessed by employees through Slack or Google Workspace account.

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