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RachelElysia 386f2c6171

ChromeOS: [bug] Surface chrome extensions as software for ChromeOS hosts (#14624 )

2023-10-27 13:04:07 -04:00

17 KiB

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Understanding host vitals

Following is a summary of the detail queries hardcoded in Fleet used to populate the device details:

battery

Platforms: darwin
Query:

SELECT serial_number, cycle_count, health FROM battery;

chromeos_profile_user_info

Platforms: chrome
Query:

SELECT email FROM users

disk_encryption_darwin

Platforms: darwin
Query:

SELECT 1 FROM disk_encryption WHERE user_uuid IS NOT "" AND filevault_status = 'on' LIMIT 1

disk_encryption_linux

Platforms: linux, ubuntu, debian, rhel, centos, sles, kali, gentoo, amzn, pop, arch, linuxmint, void, nixos, endeavouros, manjaro, opensuse-leap, opensuse-tumbleweed
Query:

SELECT de.encrypted, m.path FROM disk_encryption de JOIN mounts m ON m.device_alias = de.name;

disk_encryption_windows

Platforms: windows
Query:

SELECT 1 FROM bitlocker_info WHERE drive_letter = 'C:' AND protection_status = 1;

disk_space_unix

Platforms: linux, ubuntu, debian, rhel, centos, sles, kali, gentoo, amzn, pop, arch, linuxmint, void, nixos, endeavouros, manjaro, opensuse-leap, opensuse-tumbleweed, darwin
Query:

SELECT (blocks_available * 100 / blocks) AS percent_disk_space_available,
       round((blocks_available * blocks_size *10e-10),2) AS gigs_disk_space_available
FROM mounts WHERE path = '/' LIMIT 1;

disk_space_windows

Platforms: windows
Query:

SELECT ROUND((sum(free_space) * 100 * 10e-10) / (sum(size) * 10e-10)) AS percent_disk_space_available,
       ROUND(sum(free_space) * 10e-10) AS gigs_disk_space_available
FROM logical_drives WHERE file_system = 'NTFS' LIMIT 1;

google_chrome_profiles

Platforms: all
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'google_chrome_profiles';

Query:

SELECT email FROM google_chrome_profiles WHERE NOT ephemeral AND email <> ''

kubequery_info

Platforms: all
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'kubernetes_info';

Query:

SELECT * from kubernetes_info

mdm

Platforms: darwin
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'mdm';

Query:

select enrolled, server_url, installed_from_dep, payload_identifier from mdm;

mdm_config_profiles_darwin

Platforms: darwin
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'macos_profiles';

Query:

SELECT display_name, identifier, install_date FROM macos_profiles where type = "Configuration";

mdm_disk_encryption_key_file_darwin

Platforms: darwin
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'filevault_prk';

Query:

WITH
		de AS (SELECT IFNULL((SELECT 1 FROM disk_encryption WHERE user_uuid IS NOT "" AND filevault_status = 'on' LIMIT 1), 0) as encrypted),
		fv AS (SELECT base64_encrypted as filevault_key FROM filevault_prk)
	SELECT encrypted, filevault_key FROM de LEFT JOIN fv;

mdm_disk_encryption_key_file_lines_darwin

Platforms: darwin
Discovery query:

SELECT 1 WHERE EXISTS (SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'file_lines') AND NOT EXISTS (SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'filevault_prk');

Query:

WITH 
		de AS (SELECT IFNULL((SELECT 1 FROM disk_encryption WHERE user_uuid IS NOT "" AND filevault_status = 'on' LIMIT 1), 0) as encrypted),
		fl AS (SELECT line FROM file_lines WHERE path = '/var/db/FileVaultPRK.dat')
	SELECT encrypted, hex(line) as hex_line FROM de LEFT JOIN fl;

mdm_windows

Platforms: windows
Query:

SELECT * FROM (
				SELECT "provider_id" AS "key", data as "value" FROM registry
				WHERE path LIKE 'HKEY_LOCAL_MACHINE\Software\Microsoft\Enrollments\%\ProviderID'
				LIMIT 1
			)
			UNION ALL
			SELECT * FROM (
				SELECT "discovery_service_url" AS "key", data as "value" FROM registry
				WHERE path LIKE 'HKEY_LOCAL_MACHINE\Software\Microsoft\Enrollments\%\DiscoveryServiceFullURL'
				LIMIT 1
			)
			UNION ALL
			SELECT * FROM (
				SELECT "is_federated" AS "key", data as "value" FROM registry 
				WHERE path LIKE 'HKEY_LOCAL_MACHINE\Software\Microsoft\Enrollments\%\IsFederated'
				LIMIT 1
			)
			UNION ALL
			SELECT * FROM (
				SELECT "installation_type" AS "key", data as "value" FROM registry
				WHERE path = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\InstallationType'
				LIMIT 1
			)
			;

munki_info

Platforms: darwin
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'munki_info';

Query:

select version, errors, warnings from munki_info;

network_interface_chrome

Platforms: chrome
Query:

SELECT ipv4 AS address, mac FROM network_interfaces LIMIT 1

network_interface_unix

Platforms: linux, ubuntu, debian, rhel, centos, sles, kali, gentoo, amzn, pop, arch, linuxmint, void, nixos, endeavouros, manjaro, opensuse-leap, opensuse-tumbleweed, darwin
Query:

SELECT
    ia.address,
    id.mac
FROM
    interface_addresses ia
    JOIN interface_details id ON id.interface = ia.interface
	-- On Unix ia.interface is the name of the interface,
	-- whereas on Windows ia.interface is the IP of the interface.
    JOIN routes r ON r.interface = ia.interface
WHERE
	-- Destination 0.0.0.0/0 is the default route on route tables.
    r.destination = '0.0.0.0' AND r.netmask = 0
	-- Type of route is "gateway" for Unix, "remote" for Windows.
    AND r.type = 'gateway'
	-- We are only interested on private IPs (some devices have their Public IP as Primary IP too).
    AND (
		-- Private IPv4 addresses.
		inet_aton(ia.address) IS NOT NULL AND (
			split(ia.address, '.', 0) = '10'
			OR (split(ia.address, '.', 0) = '172' AND (CAST(split(ia.address, '.', 1) AS INTEGER) & 0xf0) = 16)
			OR (split(ia.address, '.', 0) = '192' AND split(ia.address, '.', 1) = '168')
		)
		-- Private IPv6 addresses start with 'fc' or 'fd'.
		OR (inet_aton(ia.address) IS NULL AND regex_match(lower(ia.address), '^f[cd][0-9a-f][0-9a-f]:[0-9a-f:]+', 0) IS NOT NULL)
	)
ORDER BY
    r.metric ASC,
	-- Prefer IPv4 addresses over IPv6 addresses if their route have the same metric.
	inet_aton(ia.address) IS NOT NULL DESC
LIMIT 1;

network_interface_windows

Platforms: windows
Query:

SELECT
    ia.address,
    id.mac
FROM
    interface_addresses ia
    JOIN interface_details id ON id.interface = ia.interface
	-- On Unix ia.interface is the name of the interface,
	-- whereas on Windows ia.interface is the IP of the interface.
    JOIN routes r ON r.interface = ia.address
WHERE
	-- Destination 0.0.0.0/0 is the default route on route tables.
    r.destination = '0.0.0.0' AND r.netmask = 0
	-- Type of route is "gateway" for Unix, "remote" for Windows.
    AND r.type = 'remote'
	-- We are only interested on private IPs (some devices have their Public IP as Primary IP too).
    AND (
		-- Private IPv4 addresses.
		inet_aton(ia.address) IS NOT NULL AND (
			split(ia.address, '.', 0) = '10'
			OR (split(ia.address, '.', 0) = '172' AND (CAST(split(ia.address, '.', 1) AS INTEGER) & 0xf0) = 16)
			OR (split(ia.address, '.', 0) = '192' AND split(ia.address, '.', 1) = '168')
		)
		-- Private IPv6 addresses start with 'fc' or 'fd'.
		OR (inet_aton(ia.address) IS NULL AND regex_match(lower(ia.address), '^f[cd][0-9a-f][0-9a-f]:[0-9a-f:]+', 0) IS NOT NULL)
	)
ORDER BY
    r.metric ASC,
	-- Prefer IPv4 addresses over IPv6 addresses if their route have the same metric.
	inet_aton(ia.address) IS NOT NULL DESC
LIMIT 1;

orbit_info

Platforms: all
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'orbit_info';

Query:

SELECT version FROM orbit_info

os_chrome

Platforms: chrome
Query:

SELECT
		os.name,
		os.major,
		os.minor,
		os.patch,
		os.build,
		os.arch,
		os.platform,
		os.version AS version,
		os.version AS kernel_version
	FROM
		os_version os

os_unix_like

Platforms: linux, ubuntu, debian, rhel, centos, sles, kali, gentoo, amzn, pop, arch, linuxmint, void, nixos, endeavouros, manjaro, opensuse-leap, opensuse-tumbleweed, darwin
Query:

SELECT
		os.name,
		os.major,
		os.minor,
		os.patch,
		os.build,
		os.arch,
		os.platform,
		os.version AS version,
		k.version AS kernel_version
	FROM
		os_version os,
		kernel_info k

os_version

Platforms: all
Query:

SELECT * FROM os_version LIMIT 1

os_version_windows

Platforms: windows
Query:

SELECT
		os.name,
		os.version
	FROM
		os_version os

os_windows

Platforms: windows
Query:

SELECT
		os.name,
		os.platform,
		os.arch,
		k.version as kernel_version,
		os.version
	FROM
		os_version os,
		kernel_info k

osquery_flags

Platforms: all
Query:

select name, value from osquery_flags where name in ("distributed_interval", "config_tls_refresh", "config_refresh", "logger_tls_period")

osquery_info

Platforms: all
Query:

select * from osquery_info limit 1

scheduled_query_stats

Platforms: all
Query:

SELECT *,
				(SELECT value from osquery_flags where name = 'pack_delimiter') AS delimiter
			FROM osquery_schedule

software_chrome

Platforms: chrome
Query:

SELECT
  name AS name,
  version AS version,
  'Browser plugin (Chrome)' AS type,
  'chrome_extensions' AS source,
  '' AS vendor,
  '' AS installed_path
FROM chrome_extensions

software_linux

Platforms: linux, ubuntu, debian, rhel, centos, sles, kali, gentoo, amzn, pop, arch, linuxmint, void, nixos, endeavouros, manjaro, opensuse-leap, opensuse-tumbleweed
Query:

WITH cached_users AS (WITH cached_groups AS (select * from groups)
 SELECT uid, username, type, groupname, shell
 FROM users LEFT JOIN cached_groups USING (gid)
 WHERE type <> 'special' AND shell NOT LIKE '%/false' AND shell NOT LIKE '%/nologin' AND shell NOT LIKE '%/shutdown' AND shell NOT LIKE '%/halt' AND username NOT LIKE '%$' AND username NOT LIKE '\_%' ESCAPE '\' AND NOT (username = 'sync' AND shell ='/bin/sync' AND directory <> ''))
SELECT
  name AS name,
  version AS version,
  'Package (deb)' AS type,
  'deb_packages' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  '' AS installed_path
FROM deb_packages
WHERE status = 'install ok installed'
UNION
SELECT
  package AS name,
  version AS version,
  'Package (Portage)' AS type,
  'portage_packages' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  '' AS installed_path
FROM portage_packages
UNION
SELECT
  name AS name,
  version AS version,
  'Package (RPM)' AS type,
  'rpm_packages' AS source,
  release AS release,
  vendor AS vendor,
  arch AS arch,
  '' AS installed_path
FROM rpm_packages
UNION
SELECT
  name AS name,
  version AS version,
  'Package (NPM)' AS type,
  'npm_packages' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  path AS installed_path
FROM npm_packages
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (Chrome)' AS type,
  'chrome_extensions' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  path AS installed_path
FROM cached_users CROSS JOIN chrome_extensions USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (Firefox)' AS type,
  'firefox_addons' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  path AS installed_path
FROM cached_users CROSS JOIN firefox_addons USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Atom)' AS type,
  'atom_packages' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  path AS installed_path
FROM cached_users CROSS JOIN atom_packages USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Python)' AS type,
  'python_packages' AS source,
  '' AS release,
  '' AS vendor,
  '' AS arch,
  path AS installed_path
FROM python_packages;

software_macos

Platforms: darwin
Query:

WITH cached_users AS (WITH cached_groups AS (select * from groups)
 SELECT uid, username, type, groupname, shell
 FROM users LEFT JOIN cached_groups USING (gid)
 WHERE type <> 'special' AND shell NOT LIKE '%/false' AND shell NOT LIKE '%/nologin' AND shell NOT LIKE '%/shutdown' AND shell NOT LIKE '%/halt' AND username NOT LIKE '%$' AND username NOT LIKE '\_%' ESCAPE '\' AND NOT (username = 'sync' AND shell ='/bin/sync' AND directory <> ''))
SELECT
  name AS name,
  COALESCE(NULLIF(bundle_short_version, ''), bundle_version) AS version,
  'Application (macOS)' AS type,
  bundle_identifier AS bundle_identifier,
  'apps' AS source,
  last_opened_time AS last_opened_at,
  path AS installed_path
FROM apps
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Python)' AS type,
  '' AS bundle_identifier,
  'python_packages' AS source,
  0 AS last_opened_at,
  path AS installed_path
FROM python_packages
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (Chrome)' AS type,
  '' AS bundle_identifier,
  'chrome_extensions' AS source,
  0 AS last_opened_at,
  path AS installed_path
FROM cached_users CROSS JOIN chrome_extensions USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (Firefox)' AS type,
  '' AS bundle_identifier,
  'firefox_addons' AS source,
  0 AS last_opened_at,
  path AS installed_path
FROM cached_users CROSS JOIN firefox_addons USING (uid)
UNION
SELECT
  name As name,
  version AS version,
  'Browser plugin (Safari)' AS type,
  '' AS bundle_identifier,
  'safari_extensions' AS source,
  0 AS last_opened_at,
  path AS installed_path
FROM cached_users CROSS JOIN safari_extensions USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Atom)' AS type,
  '' AS bundle_identifier,
  'atom_packages' AS source,
  0 AS last_opened_at,
  path AS installed_path
FROM cached_users CROSS JOIN atom_packages USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Homebrew)' AS type,
  '' AS bundle_identifier,
  'homebrew_packages' AS source,
  0 AS last_opened_at,
  path AS installed_path
FROM homebrew_packages;

software_windows

Platforms: windows
Query:

WITH cached_users AS (WITH cached_groups AS (select * from groups)
 SELECT uid, username, type, groupname, shell
 FROM users LEFT JOIN cached_groups USING (gid)
 WHERE type <> 'special' AND shell NOT LIKE '%/false' AND shell NOT LIKE '%/nologin' AND shell NOT LIKE '%/shutdown' AND shell NOT LIKE '%/halt' AND username NOT LIKE '%$' AND username NOT LIKE '\_%' ESCAPE '\' AND NOT (username = 'sync' AND shell ='/bin/sync' AND directory <> ''))
SELECT
  name AS name,
  version AS version,
  'Program (Windows)' AS type,
  'programs' AS source,
  publisher AS vendor,
  install_location AS installed_path
FROM programs
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Python)' AS type,
  'python_packages' AS source,
  '' AS vendor,
  path AS installed_path
FROM python_packages
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (IE)' AS type,
  'ie_extensions' AS source,
  '' AS vendor,
  path AS installed_path
FROM ie_extensions
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (Chrome)' AS type,
  'chrome_extensions' AS source,
  '' AS vendor,
  path AS installed_path
FROM cached_users CROSS JOIN chrome_extensions USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Browser plugin (Firefox)' AS type,
  'firefox_addons' AS source,
  '' AS vendor,
  path AS installed_path
FROM cached_users CROSS JOIN firefox_addons USING (uid)
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Chocolatey)' AS type,
  'chocolatey_packages' AS source,
  '' AS vendor,
  path AS installed_path
FROM chocolatey_packages
UNION
SELECT
  name AS name,
  version AS version,
  'Package (Atom)' AS type,
  'atom_packages' AS source,
  '' AS vendor,
  path AS installed_path
FROM cached_users CROSS JOIN atom_packages USING (uid);

system_info

Platforms: all
Query:

select * from system_info limit 1

uptime

Platforms: all
Query:

select * from uptime limit 1

users

Platforms: linux, darwin, windows
Query:

WITH cached_groups AS (select * from groups)
 SELECT uid, username, type, groupname, shell
 FROM users LEFT JOIN cached_groups USING (gid)
 WHERE type <> 'special' AND shell NOT LIKE '%/false' AND shell NOT LIKE '%/nologin' AND shell NOT LIKE '%/shutdown' AND shell NOT LIKE '%/halt' AND username NOT LIKE '%$' AND username NOT LIKE '\_%' ESCAPE '\' AND NOT (username = 'sync' AND shell ='/bin/sync' AND directory <> '')

users_chrome

Platforms: chrome
Query:

SELECT uid, username, email FROM users

windows_update_history

Platforms: windows
Discovery query:

SELECT 1 FROM osquery_registry WHERE active = true AND registry = 'table' AND name = 'windows_update_history';

Query:

SELECT date, title FROM windows_update_history WHERE result_code = 'Succeeded'

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