mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-19 20:40:02 +00:00
336 lines
8.9 KiB
SQL
336 lines
8.9 KiB
SQL
-- Find unexpected setuid binaries on disk
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--
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-- false positives:
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-- * new software
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--
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-- tags: persistent seldom
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-- platform: posix
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SELECT
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GROUP_CONCAT(path) AS paths,
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gid,
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uid,
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mode,
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type,
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size,
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data,
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sha256
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FROM
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(
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SELECT
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file.path,
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file.gid,
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file.uid,
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file.inode,
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file.mode,
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file.type,
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file.size,
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magic.data,
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hash.sha256
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FROM
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file
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LEFT JOIN hash ON file.path = hash.path
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LEFT JOIN magic ON file.path = magic.path
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WHERE
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file.directory IN (
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'/bin',
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'/opt/google-cloud-sdk/bin',
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'/opt/homebrew/bin',
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'/opt/homebrew/sbin',
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'/sbin',
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'/etc',
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'/tmp',
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'/var/lib',
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'/usr/libexec',
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'/usr/bin',
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'/usr/lib',
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'/usr/lib64',
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'/usr/libexec',
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'/usr/lib/jvm/default/bin',
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'/usr/local/bin',
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'/usr/local/lib',
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'/usr/local/lib64',
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'/usr/local/libexec',
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'/usr/local/sbin',
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'/usr/sbin',
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'/var/tmp'
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)
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AND type = 'regular'
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AND mode NOT LIKE '0%'
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AND mode NOT LIKE '1%'
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AND mode NOT LIKE '2%'
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AND NOT (
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mode LIKE '4%11'
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AND uid = 0
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AND gid = 0
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AND file.path IN (
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'/bin/cdda2wav',
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'/bin/cdrecord',
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'/bin/icedax',
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'/bin/mount.nfs',
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'/bin/mount.nfs4',
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'/bin/readcd',
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'/bin/readom',
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'/bin/rscsi',
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'/bin/staprun',
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'/bin/sudo',
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'/bin/sudoedit',
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'/bin/umount.nfs',
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'/bin/umount.nfs4',
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'/bin/wodim',
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'/sbin/cdda2wav',
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'/sbin/cdrecord',
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'/sbin/icedax',
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'/sbin/mount.nfs',
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'/sbin/mount.nfs4',
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'/sbin/readcd',
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'/sbin/readom',
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'/sbin/rscsi',
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'/sbin/umount.nfs',
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'/sbin/umount.nfs4',
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'/sbin/userhelper',
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'/sbin/wodim',
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'/usr/bin/cdda2wav',
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'/usr/bin/cdrecord',
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'/usr/bin/icedax',
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'/usr/bin/mount.nfs',
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'/usr/bin/mount.nfs4',
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'/usr/bin/readcd',
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'/usr/bin/readom',
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'/usr/bin/rscsi',
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'/usr/bin/staprun',
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'/usr/bin/sudo',
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'/usr/bin/sudoedit',
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'/usr/bin/umount.nfs',
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'/usr/bin/umount.nfs4',
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'/usr/bin/wodim',
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'/usr/libexec/security_authtrampoline',
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'/usr/sbin/cdda2wav',
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'/usr/sbin/cdrecord',
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'/usr/sbin/icedax',
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'/usr/sbin/mount.nfs',
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'/usr/sbin/mount.nfs4',
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'/usr/sbin/readcd',
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'/usr/sbin/readom',
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'/usr/sbin/rscsi',
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'/usr/bin/chsh',
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'/usr/bin/chfn',
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'/bin/chsh',
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'/bin/chfn',
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'/usr/sbin/umount.nfs',
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'/usr/sbin/umount.nfs4',
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'/usr/sbin/userhelper',
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'/usr/sbin/wodim',
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'/bin/bwrap',
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'/usr/bin/bwrap'
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)
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)
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AND NOT (
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mode LIKE '4%55'
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AND uid = 0
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AND gid = 0
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AND file.path IN (
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'/bin/at',
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'/bin/atq',
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'/bin/atrm',
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'/bin/chage',
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'/bin/chfn',
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'/sbin/mount.cifs',
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'/sbin/mount.smb3',
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'/usr/sbin/mount.cifs',
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'/usr/sbin/mount.smb3',
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'/bin/chsh',
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'/bin/crontab',
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'/bin/doas',
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'/bin/expiry',
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'/bin/firejail',
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'/bin/fusermount',
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'/bin/fusermount3',
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'/bin/fusermount-glusterfs',
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'/bin/gpasswd',
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'/bin/keybase-redirector',
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'/bin/ksu',
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'/bin/mount',
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'/bin/mullvad-exclude',
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'/bin/ndisc6',
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'/bin/newgidmap',
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'/bin/newgrp',
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'/bin/newuidmap',
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'/bin/nvidia-modprobe',
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'/bin/passwd',
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'/bin/pkexec',
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'/bin/ps',
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'/bin/rdisc6',
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'/bin/rltraceroute6',
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'/bin/schroot',
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'/bin/sg',
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'/bin/su',
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'/bin/sudo',
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'/bin/sudoedit',
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'/bin/suexec',
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'/bin/ubuntu-core-launcher',
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'/bin/umount',
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'/bin/vmware-user',
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'/bin/vmware-user-suid-wrapper',
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'/sbin/chage',
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'/sbin/chfn',
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'/sbin/chsh',
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'/sbin/crontab',
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'/sbin/doas',
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'/sbin/expiry',
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'/sbin/firejail',
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'/sbin/fusermount',
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'/sbin/fusermount3',
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'/sbin/gpasswd',
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'/sbin/grub2-set-bootflag',
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'/sbin/ksu',
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'/sbin/mount',
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'/sbin/mount.nfs',
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'/sbin/mount.nfs4',
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'/sbin/mullvad-exclude',
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'/sbin/ndisc6',
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'/sbin/newgrp',
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'/sbin/nvidia-modprobe',
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'/sbin/pam_timestamp_check',
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'/sbin/passwd',
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'/sbin/pkexec',
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'/sbin/rdisc6',
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'/sbin/rltraceroute6',
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'/sbin/sg',
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'/sbin/su',
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'/sbin/sudo',
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'/sbin/sudoedit',
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'/sbin/suexec',
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'/sbin/umount',
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'/sbin/umount.nfs',
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'/sbin/umount.nfs4',
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'/sbin/unix_chkpwd',
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'/sbin/usernetctl',
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'/usr/bin/at',
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'/usr/bin/atq',
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'/usr/bin/atrm',
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'/usr/bin/batch',
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'/usr/bin/chage',
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'/usr/bin/chfn',
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'/usr/bin/chsh',
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'/usr/bin/crontab',
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'/usr/bin/doas',
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'/usr/bin/expiry',
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'/usr/bin/firejail',
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'/usr/bin/fusermount',
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'/usr/bin/fusermount3',
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'/usr/bin/fusermount-glusterfs',
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'/usr/bin/gpasswd',
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'/usr/bin/keybase-redirector',
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'/usr/bin/ksu',
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'/usr/bin/login',
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'/usr/bin/mount',
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'/usr/bin/mullvad-exclude',
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'/usr/bin/ndisc6',
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'/usr/bin/newgidmap',
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'/usr/bin/newgrp',
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'/usr/bin/newuidmap',
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'/usr/bin/nvidia-modprobe',
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'/usr/bin/passwd',
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'/usr/bin/pkexec',
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'/usr/bin/quota',
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'/usr/bin/rdisc6',
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'/usr/bin/rltraceroute6',
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'/usr/bin/schroot',
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'/usr/bin/sg',
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'/usr/bin/su',
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'/usr/bin/sudo',
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'/usr/bin/sudoedit',
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'/usr/bin/suexec',
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'/usr/bin/top',
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'/usr/bin/ubuntu-core-launcher',
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'/usr/bin/umount',
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'/usr/bin/vmware-user',
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'/usr/bin/vmware-user-suid-wrapper',
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'/usr/lib64/mail-dotlock',
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'/usr/lib64/xf86-video-intel-backlight-helper',
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'/usr/lib64/Xorg.wrap',
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'/usr/libexec/authopen',
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'/usr/libexec/libgtop_server2',
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'/usr/libexec/polkit-agent-helper-1',
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'/usr/libexec/qemu-bridge-helper',
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'/usr/libexec/spice-client-glib-usb-acl-helper',
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'/usr/libexec/Xorg.wrap',
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'/usr/lib/mail-dotlock',
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'/usr/lib/xf86-video-intel-backlight-helper',
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'/usr/lib/Xorg.wrap',
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'/usr/local/bin/doas',
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'/usr/sbin/chage',
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'/usr/sbin/chfn',
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'/usr/sbin/chsh',
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'/usr/sbin/crontab',
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'/usr/sbin/doas',
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'/usr/sbin/expiry',
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'/usr/sbin/firejail',
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'/usr/sbin/fusermount',
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'/usr/sbin/fusermount3',
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'/usr/sbin/gpasswd',
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'/usr/sbin/grub2-set-bootflag',
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'/usr/sbin/ksu',
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'/usr/sbin/mount',
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'/usr/sbin/mount.nfs',
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'/usr/sbin/mount.nfs4',
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'/usr/sbin/mullvad-exclude',
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'/usr/sbin/ndisc6',
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'/usr/sbin/newgrp',
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'/usr/sbin/nvidia-modprobe',
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'/usr/sbin/pam_timestamp_check',
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'/usr/sbin/passwd',
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'/usr/sbin/pkexec',
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'/usr/sbin/rdisc6',
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'/usr/sbin/rltraceroute6',
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'/usr/sbin/sg',
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'/usr/sbin/su',
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'/usr/sbin/sudo',
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'/usr/sbin/sudoedit',
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'/usr/sbin/suexec',
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'/usr/sbin/traceroute',
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'/usr/sbin/traceroute6',
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'/usr/sbin/umount',
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'/usr/sbin/umount.nfs',
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'/usr/sbin/umount.nfs4',
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'/usr/sbin/unix_chkpwd',
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'/usr/sbin/usernetctl'
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)
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)
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AND NOT (
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mode = '4754'
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AND uid = 0
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AND gid = 30
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AND file.path IN ('/usr/sbin/pppd', '/sbin/pppd')
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)
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AND NOT (
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mode = '6755'
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AND uid = 0
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AND gid = 0
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AND file.path IN (
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'/bin/mount.cifs',
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'/bin/mount.smb3',
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'/bin/unix_chkpwd',
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'/sbin/mount.cifs',
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'/sbin/mount.smb3',
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'/sbin/unix_chkpwd',
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'/usr/bin/mount.cifs',
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'/usr/bin/mount.smb3',
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'/usr/bin/unix_chkpwd',
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'/usr/lib/xtest',
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'/usr/lib64/xtest',
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'/usr/sbin/mount.cifs',
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'/usr/sbin/mount.smb3',
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'/usr/sbin/unix_chkpwd'
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)
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)
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AND NOT (
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mode = '4110'
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AND uid = 0
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AND gid = 156
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AND file.path IN ('/bin/staprun', '/usr/bin/staprun')
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)
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)
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GROUP BY
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inode
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