mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-14 18:14:34 +00:00
122 lines
2.9 KiB
SQL
122 lines
2.9 KiB
SQL
-- Pick out exotic processes based on their command-line (events-based)
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--
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-- false positives:
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-- * possible, but none known
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--
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-- tags: transient process events
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-- platform: darwin
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-- interval: 15
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SELECT
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p.pid,
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p.path,
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REPLACE(
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p.path,
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RTRIM(p.path, REPLACE(p.path, '/', '')),
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''
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) AS basename,
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-- On macOS there is often a trailing space
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TRIM(p.cmdline) AS cmd,
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p.mode,
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p.cwd,
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p.euid,
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p.parent,
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p.syscall,
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hash.sha256,
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pp.path AS parent_path,
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pp.name AS parent_name,
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TRIM(p.cmdline) AS parent_cmd,
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pp.euid AS parent_euid,
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phash.sha256 AS parent_sha256
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FROM
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uptime,
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process_events p
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LEFT JOIN processes pp ON p.parent = pp.pid
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LEFT JOIN hash ON p.path = hash.path
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LEFT JOIN hash AS phash ON pp.path = hash.path
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WHERE
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p.time > (strftime('%s', 'now') -15)
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AND (
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basename IN (
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'bitspin',
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'bpftool',
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'csrutil',
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'heyoka',
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'nstx',
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'dnscat2',
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'tuns',
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'iodine',
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'rshell',
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'rsh',
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'incbit',
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'osascript',
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'kmod',
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'lushput',
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'mkfifo',
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'msfvenom',
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'nc',
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'socat'
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)
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-- Chrome Stealer
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OR cmd LIKE '%set visible of front window to false%'
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OR cmd LIKE '%chrome%-load-extension%'
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-- Known attack scripts
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OR basename LIKE '%pwn%'
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OR basename LIKE '%attack%'
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-- Unusual behaviors
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OR cmd LIKE '%chattr -ia%'
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OR cmd LIKE '%chmod 777 %'
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OR cmd LIKE '%touch%acmr%'
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OR cmd LIKE '%ld.so.preload%'
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OR cmd LIKE '%urllib.urlopen%'
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OR cmd LIKE '%nohup%tmp%'
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OR cmd LIKE '%killall Terminal%'
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OR cmd LIKE '%iptables stop'
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OR cmd LIKE '%pkill -f%'
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OR cmd LIKE '%rm -f /var/tmp%'
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OR cmd LIKE '%rm -rf /boot%'
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OR cmd LIKE '%rm -f /tmp%'
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OR cmd LIKE '%xargs kill -9%'
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OR cmd LIKE '%nohup /bin/bash%'
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OR cmd LIKE '%echo%|%base64 --decode %|%'
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OR cmd LIKE '%launchctl list%'
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-- Crypto miners
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OR cmd LIKE '%c3pool%'
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OR cmd LIKE '%cryptonight%'
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OR cmd LIKE '%f2pool%'
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OR cmd LIKE '%hashrate%'
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OR cmd LIKE '%hashvault%'
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OR cmd LIKE '%minerd%'
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OR cmd LIKE '%monero%'
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OR cmd LIKE '%nanopool%'
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OR cmd LIKE '%nicehash%'
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OR cmd LIKE '%stratum%'
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OR basename LIKE '%xig%'
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OR basename LIKE '%xmr%'
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-- Random keywords
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OR cmd LIKE '%ransom%'
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-- Reverse shells
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OR cmd LIKE '%fsockopen%'
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OR cmd LIKE '%openssl%quiet%'
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OR cmd LIKE '%pty.spawn%'
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OR cmd LIKE '%sh -i'
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OR cmd LIKE '%socat%'
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OR cmd LIKE '%SOCK_STREAM%'
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OR cmd LIKE '%Socket.%'
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) -- Things that could reasonably happen at boot.
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AND NOT (
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p.path = '/usr/bin/mkfifo'
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AND cmd LIKE '%/org.gpgtools.log.%/fifo'
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)
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AND NOT (
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cmd LIKE '%csrutil status'
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AND parent_name IN ('Dropbox')
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)
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-- The source of these commands is still a mystery to me.
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AND NOT (
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cmd IN (
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'/usr/bin/csrutil status',
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'/usr/bin/csrutil report'
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)
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AND p.parent = -1
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)
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