51 lines
1.3 KiB
SQL
51 lines
1.3 KiB
SQL
-- Find unexpected world readable run locks
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--
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-- false positives:
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-- * none known
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--
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-- references:
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-- * https://www.deepinstinct.com/blog/bpfdoor-malware-evolves-stealthy-sniffing-backdoor-ups-its-game
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--
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-- tags: persistent filesystem state seldom
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-- platform: posix
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SELECT
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*,
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CONCAT (
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MIN(file.uid, 500),
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",",
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file.gid,
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",",
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file.path,
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",",
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file.type,
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',',
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mode
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) AS exception_key
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FROM
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file
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WHERE
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(
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path LIKE "/tmp/%.lock"
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OR path LIKE "/var/run/%.lock"
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OR path LIKE "/var/tmp/%.lock"
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OR path LIKE "/dev/shm/%.lock"
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OR path LIKE "/dev/mqueue/%.lock"
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OR path LIKE "/tmp/.%.lock"
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OR path LIKE "/var/run/.%.lock"
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OR path LIKE "/var/tmp/.%.lock"
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OR path LIKE "/dev/shm/.%.lock"
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OR path LIKE "/dev/mqueue/.%.lock"
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)
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AND exception_key NOT IN (
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'0,0,/var/run/unattended-upgrades.lock,regular,0640',
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'500,0,/tmp/mysql.sock.lock,regular,0600',
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'500,0,/tmp/mysqlx.sock.lock,regular,0600',
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'0,0,/var/run/xtables.lock,regular,0600',
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'0,0,/var/run/dnf-metadata.lock,regular,0644',
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'0,0,/var/run/ufw.lock,regular,0644',
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'0,0,/var/run/apport.lock,regular,0600',
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'74,0,/tmp/mysql.sock.lock,regular,0600',
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'74,0,/tmp/mysqlx.sock.lock,regular,0600',
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'500,1001,/tmp/nwg-dock.lock,regular,0600'
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)
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