query:SELECT name AS name, version AS version, 'deb_packages' AS source FROM deb_packages WHERE name LIKE 'openssl%' UNION SELECT name AS name, version AS version, 'apt_sources' AS source FROM apt_sources WHERE name LIKE 'openssl%' UNION SELECT name AS name, version AS version, 'rpm_packages' AS source FROM rpm_packages WHERE name LIKE 'openssl%';
description:Presence of authorized SSH keys may be unusual on laptops. Could be completely normal on servers, but may be worth auditing for unusual keys and/or changes.
query:SELECT username, authorized_keys. * FROM users CROSS JOIN authorized_keys USING (uid);
remediation:Check out the linked table (https://github.com/fleetdm/fleet/blob/32b4d53e7f1428ce43b0f9fa52838cbe7b413eed/handbook/queries/detect-hosts-with-high-severity-vulnerable-versions-of-openssl.md#table-of-vulnerable-openssl-versions) to determine if the installed version is a high severity vulnerability and view the corresponding CVE(s)
description:Get all software installed on a FreeBSD computer, including browser plugins and installed packages. Note that this does not include other running processes in the processes table.
query:SELECT name AS name, version AS version, 'Browser plugin (Chrome)' AS type, 'chrome_extensions' AS source FROM chrome_extensions UNION SELECT name AS name, version AS version, 'Browser plugin (Firefox)' AS type, 'firefox_addons' AS source FROM firefox_addons UNION SELECT name AS name, version AS version, 'Package (Atom)' AS type, 'atom_packages' AS source FROM atom_packages UNION SELECT name AS name, version AS version, 'Package (Python)' AS type, 'python_packages' AS source FROM python_packages UNION SELECT name AS name, version AS version, 'Package (pkg)' AS type, 'pkg_packages' AS source FROM pkg_packages;
description:Get all software installed on a Linux computer, including browser plugins and installed packages. Note that this does not include other running processes in the processes table.
query:SELECT name AS name, version AS version, 'Package (APT)' AS type, 'apt_sources' AS source FROM apt_sources UNION SELECT name AS name, version AS version, 'Package (deb)' AS type, 'deb_packages' AS source FROM deb_packages UNION SELECT package AS name, version AS version, 'Package (Portage)' AS type, 'portage_packages' AS source FROM portage_packages UNION SELECT name AS name, version AS version, 'Package (RPM)' AS type, 'rpm_packages' AS source FROM rpm_packages UNION SELECT name AS name, '' AS version, 'Package (YUM)' AS type, 'yum_sources' AS source FROM yum_sources UNION SELECT name AS name, version AS version, 'Package (NPM)' AS type, 'npm_packages' AS source FROM npm_packages UNION SELECT name AS name, version AS version, 'Package (Atom)' AS type, 'atom_packages' AS source FROM atom_packages UNION SELECT name AS name, version AS version, 'Package (Python)' AS type, 'python_packages' AS source FROM python_packages;
description:Get all software installed on a macOS computer, including apps, browser plugins, and installed packages. Note that this does not include other running processes in the processes table.
query:SELECT name AS name, bundle_short_version AS version, 'Application (macOS)' AS type, 'apps' AS source FROM apps UNION SELECT name AS name, version AS version, 'Package (Python)' AS type, 'python_packages' AS source FROM python_packages UNION SELECT name AS name, version AS version, 'Browser plugin (Chrome)' AS type, 'chrome_extensions' AS source FROM chrome_extensions UNION SELECT name AS name, version AS version, 'Browser plugin (Firefox)' AS type, 'firefox_addons' AS source FROM firefox_addons UNION SELECT name As name, version AS version, 'Browser plugin (Safari)' AS type, 'safari_extensions' AS source FROM safari_extensions UNION SELECT name AS name, version AS version, 'Package (Homebrew)' AS type, 'homebrew_packages' AS source FROM homebrew_packages;
description:Get all software installed on a Windows computer, including programs, browser plugins, and installed packages. Note that this does not include other running processes in the processes table.
query:SELECT name AS name, version AS version, 'Program (Windows)' AS type, 'programs' AS source FROM programs UNION SELECT name AS name, version AS version, 'Package (Python)' AS type, 'python_packages' AS source FROM python_packages UNION SELECT name AS name, version AS version, 'Browser plugin (IE)' AS type, 'ie_extensions' AS source FROM ie_extensions UNION SELECT name AS name, version AS version, 'Browser plugin (Chrome)' AS type, 'chrome_extensions' AS source FROM chrome_extensions UNION SELECT name AS name, version AS version, 'Browser plugin (Firefox)' AS type, 'firefox_addons' AS source FROM firefox_addons UNION SELECT name AS name, version AS version, 'Package (Chocolatey)' AS type, 'chocolatey_packages' AS source FROM chocolatey_packages UNION SELECT name AS name, version AS version, 'Package (Atom)' AS type, 'atom_packages' AS source FROM atom_packages;
name:Get current users with active shell/console on the system
platforms:macOS, Linux, Windows, FreeBSD
description:Get current users with active shell/console on the system and associated process
query:SELECT user,host,time, p.name, p.cmdline, p.cwd, p.root FROM logged_in_users liu, processes p WHERE liu.pid = p.pid and liu.type='user' and liu.user <> '' ORDER BY time;
description:Identify SSH keys created without a passphrase which can be used in Lateral Movement (MITRE. TA0008)
query:SELECT uid, username, description, path, encrypted FROM users CROSS JOIN user_ssh_keys using (uid) WHERE encrypted=0 and username in (SELECT distinct(username) FROM last);
description:Detect any processes that run with DYLD_INSERT_LIBRARIES environment variable
query:SELECT env.pid, env.key, env.value, p.name,p.path, p.cmdline, p.cwd FROM process_envs env join processes p USING (pid) WHERE key='DYLD_INSERT_LIBRARIES';
query:SELECT a.interface, a.address, d.mac FROM interface_addresses a JOIN interface_details d USING (interface) WHERE address not in ('127.0.0.1', '::1');
description:Detects devices that are potentially vulnerable to CVE-2021-1675 because the print spooler service is not disabled.
query:SELECT CASE cnt WHEN 2 THEN "TRUE" ELSE "FALSE" END "Vulnerable" FROM (SELECT name start_type, COUNT(name) AS cnt FROM services WHERE name = 'NTDS' or (name = 'Spooler' and start_type <> 'DISABLED')) WHERE cnt = 2;
description:Lists all processes of which the binary which launched them no longer exists on disk. Attackers often delete files from disk after launching process to mask presence.
query:SELECT name, path, pid FROM processes WHERE on_disk = 0;
description:Looks for specific hash in the Users/ directories for files that are less than 50MB (osquery file size limitation.)
query:SELECT path, sha256 FROM hash WHERE path IN (SELECT path FROM file WHERE size < 50000000 AND path LIKE '/Users/%/Documents/%%') AND sha256 = '16d28cd1d78b823c4f961a6da78d67a8975d66cde68581798778ed1f98a56d75';
description:Looks for the TeamViewer service running on machines. This is often used when attackers gain access to a machine, running TeamViewer to allow them to access a machine.
query:SELECT CASE cnt WHEN 0 THEN "NONE_INSTALLED" ELSE "INSTALLED" END AS "Malicious Python Packages", package_name, package_version FROM (SELECT COUNT(name) AS cnt, name AS package_name, version AS package_version, path AS package_path FROM python_packages WHERE package_name IN ('acqusition', 'apidev-coop', 'bzip', 'crypt', 'django-server', 'pwd', 'setup-tools', 'telnet', 'urlib3', 'urllib'));
description:Returns forensic data showing evidence of likely file execution, in addition to the last modified timestamp of the file, order of execution, full file path order of execution, and the order in which files were executed.
description: 'Returns a list of active processes and the Jar paths which are using Log4j. Version numbers are usually within the Jar filename. Note:This query is resource intensive and has caused problems on systems with limited swap space. Test on some systems before running this widely.'
name:Get subscription-based applications that have not been opened for the last 30 days
platforms:macOS
description:Returns applications that are subscription-based and have not been opened for the last 30 days. You can replace the list of applications with those specific to your use case.
query:SELECT * FROM apps WHERE path LIKE '/Applications/%' AND name IN ("Photoshop.app", "Adobe XD.app", "Sketch.app", "Illustrator.app") AND last_opened_time < (( SELECT unix_time FROM time ) - 2592000000000 );
query:SELECT 1 FROM gatekeeper WHERE assessments_enabled = 1;
description:Checks to make sure that the Gatekeeper feature is enabled on macOS devices. Gatekeeper tries to ensure only trusted software is run on a mac machine.
resolution:"To enable Gatekeeper, on the failing device, run the following command in the Terminal app: /usr/sbin/spctl --master-enable."
query:SELECT 1 FROM sip_config WHERE config_flag = 'sip' AND enabled = 1;
description:Checks to make sure that the System Integrity Protection feature is enabled.
resolution:"To enable System Integrity Protection, on the failing device, run the following command in the Terminal app: /usr/sbin/spctl --master-enable."
query:SELECT 1 FROM managed_policies WHERE domain = 'com.apple.loginwindow' AND name = 'com.apple.login.mcx.DisableAutoLoginClient' AND value = 1 LIMIT 1;
description:"Required: You’re already enforcing a policy via Moble Device Management (MDM). Checks to make sure that the device user cannot log in to the device without a password."
resolution:"The following example profile includes a setting to disable automatic login: https://github.com/gregneagle/profiles/blob/fecc73d66fa17b6fa78b782904cb47cdc1913aeb/loginwindow.mobileconfig#L64-L65."
description:"Required: You’re already enforcing a policy via Moble Device Management (MDM). Checks to make sure that guest accounts cannot be used to log in to the device without a password."
resolution:"The following example profile includes a setting to disable guest users: https://github.com/gregneagle/profiles/blob/fecc73d66fa17b6fa78b782904cb47cdc1913aeb/loginwindow.mobileconfig#L68-L71."
name:Secure keyboard entry for Terminal.app enabled (macOS)
query:SELECT 1 FROM managed_policies WHERE domain = 'com.apple.Terminal' AND name = 'SecureKeyboardEntry' AND value = 1 LIMIT 1;
description:"Required: You’re already enforcing a policy via Moble Device Management (MDM). Checks to make sure that the Secure Keyboard Entry setting is enabled."
query:SELECT path, value AS version FROM plist WHERE (key = 'CFBundleShortVersionString' AND path = '/Library/Apple/System/Library/CoreServices/MRT.app/Contents/Info.plist') OR (key = 'CFBundleShortVersionString' AND path = '/Library/Apple/System/Library/CoreServices/XProtect.bundle/Contents/Info.plist');
description:Reads the version numbers from the Malware Removal Tool (MRT) and built-in antivirus (XProtect) plists
query:SELECT score FROM (SELECT case when COUNT(*) = 2 then 1 ELSE 0 END AS score FROM plist WHERE (key = 'CFBundleShortVersionString' AND path = '/Library/Apple/System/Library/CoreServices/XProtect.bundle/Contents/Info.plist' AND value>=2155) OR (key = 'CFBundleShortVersionString' AND path = '/Library/Apple/System/Library/CoreServices/MRT.app/Contents/Info.plist' and value>=1.88)) WHERE score == 1;
description:Checks the version of Malware Removal Tool (MRT) and the built-in macOS AV (Xprotect). Replace version numbers with latest version regularly.
query:SELECT 1 from windows_security_center wsc CROSS JOIN windows_security_products wsp WHERE antivirus = 'Good' AND type = 'Antivirus' AND signatures_up_to_date=1;
query:SELECT score FROM (SELECT case when COUNT(*) = 2 then 1 ELSE 0 END AS score FROM processes WHERE (name = 'clamd') OR (name = 'freshclam')) WHERE score == 1;
description:"Required: osquery deployed with Orbit, or manual installation of macadmins/osquery-extension. Checks that a mac is enrolled to MDM. Add a AND on identity_certificate_uuid to check for a specific MDM."
name:Application is up to date or not present (macOS)
query:SELECT 1 WHERE EXISTS (SELECT 1 FROM apps a1 WHERE a1.bundle_identifier = 'com.electron.dockerdesktop' AND a1.bundle_short_version>='4.6.1') OR NOT EXISTS (SELECT 1 FROM apps a2 WHERE a2.bundle_identifier = 'com.electron.dockerdesktop');
description:"Checks if the application (Docker Desktop example) is installed and up to date, or not installed. Fails if the application is installed and on a lower version. You can copy this query and replace the bundle_identifier and bundle_version values to apply the same type of policy to other applications."
resolution:"Update Docker or remove it if not used."
resolution:"In System Preferences, open Security & Privacy, navigate to the Firewall tab and click Turn On Firewall."
platforms:macOS
tags:hardening, compliance, built-in
platform:darwin
contributors:GuillaumeRoss
---
apiVersion:v1
kind:policy
spec:
name:Screen lock enabled via MDM profile (macOS)
query:SELECT 1 FROM managed_policies WHERE name='askForPassword' AND value='1';
description:"Checks that a MDM profile configures the screen lock."
resolution:"Contact your IT administrator to help you enroll your computer in your organization's MDM. If already enrolled, ask your IT administrator to enable the screen lock feature in the profile configuration."
