103 lines
3.5 KiB
SQL
103 lines
3.5 KiB
SQL
-- Unexpected calls to macOS system utilities (event-based)
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--
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-- refs:
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-- * https://attack.mitre.org/techniques/T1497/001/ (Virtualization/Sandbox Evasion: System Checks)
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-- * https://www.sentinelone.com/blog/atomic-stealer-threat-actor-spawns-second-variant-of-macos-malware-sold-on-telegram/
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--
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-- platform: darwin
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-- interval: 900
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SELECT
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-- Child
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pe.path AS p0_path,
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REGEX_MATCH (pe.path, '.*/(.*)', 1) AS p0_name,
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TRIM(pe.cmdline) AS p0_cmd,
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pe.cwd AS p0_cwd,
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pe.pid AS p0_pid,
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pe.euid AS p0_euid,
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s.authority AS p0_authority,
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-- Parent
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pe.parent AS p1_pid,
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TRIM(COALESCE(p1.cmdline, pe1.cmdline)) AS p1_cmd,
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COALESCE(p1.path, pe1.path) AS p1_path,
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COALESCE(p_hash1.sha256, pe_hash1.sha256) AS p1_hash,
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REGEX_MATCH (COALESCE(p1.path, pe1.path), '.*/(.*)', 1) AS p1_name,
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pe_sig1.authority AS p1_authority,
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-- Grandparent
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COALESCE(p1.parent, pe1.parent) AS p2_pid,
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TRIM(
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COALESCE(p1_p2.cmdline, pe1_p2.cmdline, pe1_pe2.cmdline)
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) AS p2_cmd,
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COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path) AS p2_path,
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COALESCE(
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p1_p2_hash.path,
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pe1_p2_hash.path,
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pe1_pe2_hash.path
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) AS p2_hash,
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REGEX_MATCH (
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COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path),
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'.*/(.*)',
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1
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) AS p2_name,
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COALESCE(
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p1_p2_sig.authority,
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pe1_p2_sig.authority,
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pe1_pe2_sig.authority
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) AS p2_authority
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FROM
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process_events pe
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LEFT JOIN processes p ON pe.pid = p.pid
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LEFT JOIN signature s ON pe.path = s.path
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-- Parents (via two paths)
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LEFT JOIN processes p1 ON pe.parent = p1.pid
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LEFT JOIN hash p_hash1 ON p1.path = p_hash1.path
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LEFT JOIN process_events pe1 ON pe.parent = pe1.pid
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AND pe1.cmdline != ''
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LEFT JOIN hash pe_hash1 ON pe1.path = pe_hash1.path
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LEFT JOIN signature pe_sig1 ON pe1.path = pe_sig1.path
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-- Grandparents (via 3 paths)
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LEFT JOIN processes p1_p2 ON p1.parent = p1_p2.pid -- Current grandparent via parent processes
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LEFT JOIN processes pe1_p2 ON pe1.parent = pe1_p2.pid -- Current grandparent via parent events
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LEFT JOIN process_events pe1_pe2 ON pe1.parent = pe1_p2.pid
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AND pe1_pe2.cmdline != '' -- Past grandparent via parent events
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LEFT JOIN hash p1_p2_hash ON p1_p2.path = p1_p2_hash.path
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LEFT JOIN hash pe1_p2_hash ON pe1_p2.path = pe1_p2_hash.path
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LEFT JOIN hash pe1_pe2_hash ON pe1_pe2.path = pe1_pe2_hash.path
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LEFT JOIN signature p1_p2_sig ON p1_p2.path = p1_p2_sig.path
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LEFT JOIN signature pe1_p2_sig ON pe1_p2.path = pe1_p2_sig.path
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LEFT JOIN signature pe1_pe2_sig ON pe1_pe2.path = pe1_pe2_sig.path
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WHERE
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pe.time > (strftime('%s', 'now') -900)
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AND pe.status = 0
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AND pe.parent > 0
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AND pe.cmdline != ''
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AND pe.cmdline IS NOT NULL
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AND pe.status == 0
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AND pe.path IN (
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'/usr/sbin/sysctl',
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'/usr/bin/security',
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'/usr/libexec/security_authtrampoline',
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'/usr/bin/openssl',
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'/usr/bin/uuidgen',
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'/usr/bin/funzip',
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'/usr/sbin/ioreg',
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'/usr/bin/sqlite3',
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'/usr/bin/sw_vers'
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)
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AND p.parent > 0
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AND NOT p0_cmd IN (
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'sysctl -i sysctl.proc_translated',
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'sysctl -n hw.optional.arm64',
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'sw_vers -productName',
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'sysctl -n sysctl.proc_translated',
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'/usr/sbin/sysctl kern.hv_support',
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'/usr/sbin/sysctl -n hw.cputype',
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'/usr/sbin/sysctl sysctl.proc_translated'
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)
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AND NOT p0_cmd LIKE '/usr/libexec/security_authtrampoline /Library/Application Support/Adobe/Adobe Desktop Common/ElevationManager/Adobe Installer auth%'
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AND NOT p1_path IN (
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'/Applications/LogiTune.app/Contents/MacOS/LogiTune',
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'/Applications/Alfred 5.app/Contents/Preferences/Alfred Preferences.app/Contents/MacOS/Alfred Preferences'
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)
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GROUP BY
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pe.pid
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