mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2025-01-10 15:49:31 +00:00
118 lines
3.3 KiB
SQL
118 lines
3.3 KiB
SQL
-- Ported from exotic-commands
|
|
-- Designed for execution every minute (where the parent may still be around)
|
|
SELECT p.pid,
|
|
p.path,
|
|
REPLACE(p.path, RTRIM(p.path, REPLACE(p.path, '/', '')), '') AS basename,
|
|
-- On macOS there is often a trailing space
|
|
TRIM(cmd) AS cmd,
|
|
p.mode,
|
|
p.cwd,
|
|
p.euid,
|
|
p.parent,
|
|
p.syscall,
|
|
pp.path AS parent_path,
|
|
pp.name AS parent_name,
|
|
pcmd AS parent_cmdline,
|
|
pp.euid AS parent_euid,
|
|
hash.sha256 AS parent_sha256
|
|
FROM uptime, process_events p
|
|
LEFT JOIN processes pp ON p.parent = pp.pid
|
|
LEFT JOIN hash ON pp.path = hash.path
|
|
WHERE p.time > (strftime('%s', 'now') -60)
|
|
AND
|
|
(
|
|
basename IN (
|
|
'bitspin',
|
|
'bpftool',
|
|
'csrutil',
|
|
'incbit',
|
|
'insmod',
|
|
'kmod',
|
|
'lushput',
|
|
'mkfifo',
|
|
'msfvenom',
|
|
'nc',
|
|
'socat'
|
|
)
|
|
OR cmd LIKE '%set visible of front window to false%'
|
|
OR cmd LIKE '%chrome%--load-extension%'
|
|
|
|
-- Known attack scripts
|
|
OR basename LIKE '%pwn%'
|
|
OR cmd LIKE '%attack%'
|
|
-- Unusual behaviors
|
|
OR cmd LIKE '%ufw disable%'
|
|
OR cmd LIKE '%iptables -P % ACCEPT%'
|
|
OR cmd LIKE '%iptables -F%'
|
|
OR cmd LIKE '%chattr -ia%'
|
|
-- OR cmd LIKE '%base64 -d%'
|
|
OR cmd LIKE '%touch%acmr%'
|
|
OR cmd LIKE '%ld.so.preload%'
|
|
OR cmd LIKE '%urllib.urlopen%'
|
|
OR cmd LIKE '%nohup%tmp%'
|
|
-- Crypto miners
|
|
OR cmd LIKE '%c3pool%'
|
|
OR cmd LIKE '%cryptonight%'
|
|
OR cmd LIKE '%f2pool%'
|
|
OR cmd LIKE '%hashrate%'
|
|
OR cmd LIKE '%hashvault%'
|
|
OR cmd LIKE '%minerd%'
|
|
OR cmd LIKE '%monero%'
|
|
OR cmd LIKE '%nanopool%'
|
|
OR cmd LIKE '%nicehash%'
|
|
OR cmd LIKE '%stratum%'
|
|
OR basename LIKE '%xig%'
|
|
OR basename LIKE '%xmr%'
|
|
-- Random keywords
|
|
OR cmd LIKE '%ransom%'
|
|
-- Reverse shells
|
|
OR cmd LIKE '%/dev/tcp/%'
|
|
OR cmd LIKE '%/dev/udp/%'
|
|
OR cmd LIKE '%fsockopen%'
|
|
OR cmd LIKE '%openssl%quiet%'
|
|
OR cmd LIKE '%pty.spawn%'
|
|
OR cmd LIKE '%sh -i'
|
|
OR cmd LIKE '%socat%'
|
|
OR cmd LIKE '%SOCK_STREAM%'
|
|
OR cmd LIKE '%Socket.fork%'
|
|
OR cmd LIKE '%Socket.new%'
|
|
OR cmd LIKE '%socket.socket%'
|
|
)
|
|
|
|
-- Things that could reasonably happen at boot.
|
|
AND NOT (
|
|
p.path IN ('/usr/bin/kmod', '/bin/kmod')
|
|
AND parent_path='/usr/lib/systemd/systemd'
|
|
AND parent_cmdline='/sbin/init'
|
|
)
|
|
AND NOT (
|
|
p.path IN ('/usr/bin/kmod', '/bin/kmod')
|
|
AND parent_name IN ('firewalld')
|
|
)
|
|
AND NOT (
|
|
p.path IN ('/usr/bin/kmod', '/bin/kmod')
|
|
AND uptime.total_seconds < 15
|
|
)
|
|
-- gpgtools
|
|
AND NOT (
|
|
p.path = '/usr/bin/mkfifo'
|
|
AND cmd LIKE '%/org.gpgtools.log.%/fifo'
|
|
)
|
|
-- Dropbox
|
|
AND NOT (
|
|
parent_name = 'Dropbox'
|
|
AND cmd LIKE 'csrutil status'
|
|
)
|
|
|
|
-- Docker, kube-proxy
|
|
AND NOT (
|
|
p.path IN ('/usr/bin/kmod', '/bin/kmod')
|
|
AND parent_name IN ('dockerd', 'kube-proxy')
|
|
)
|
|
AND NOT cmd LIKE 'modprobe -va%'
|
|
AND NOT cmd LIKE 'modprobe -ab%'
|
|
AND NOT cmd LIKE '%modprobe overlay'
|
|
AND NOT cmd LIKE '%modprobe aufs'
|
|
AND NOT cmd IN (
|
|
'lsmod'
|
|
) |