63 lines
1.6 KiB
SQL
63 lines
1.6 KiB
SQL
-- Find programs where fd0 (stdin), fd1 (stdout), or fd2 (stderr) are connected to a socket
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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: process state
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-- platform: posix
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SELECT
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pos.protocol,
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pos.pid,
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pos.remote_address,
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pos.local_address,
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pos.local_port,
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pos.remote_port,
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pos.state,
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-- Child
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p0.pid AS p0_pid,
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p0.path AS p0_path,
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p0.name AS p0_name,
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p0.start_time AS p0_start,
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p0.cmdline AS p0_cmd,
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p0.cwd AS p0_cwd,
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p0.cgroup_path AS p0_cgroup,
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p0.euid AS p0_euid,
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p0_hash.sha256 AS p0_sha256,
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-- Parent
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p0.parent AS p1_pid,
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p1.path AS p1_path,
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p1.name AS p1_name,
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p1.start_time AS p1_start,
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p1.euid AS p1_euid,
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p1.cmdline AS p1_cmd,
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p1_hash.sha256 AS p1_sha256,
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-- Grandparent
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p1.parent AS p2_pid,
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p2.name AS p2_name,
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p2.start_time AS p2_start,
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p2.path AS p2_path,
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p2.cmdline AS p2_cmd,
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p2_hash.sha256 AS p2_sha256
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FROM
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process_open_sockets pos
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JOIN processes p0 ON pos.pid = p0.pid
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LEFT JOIN hash p0_hash ON p0.path = p0_hash.path
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LEFT JOIN processes p1 ON p0.parent = p1.pid
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LEFT JOIN hash p1_hash ON p1.path = p1_hash.path
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LEFT JOIN processes p2 ON p1.parent = p2.pid
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LEFT JOIN hash p2_hash ON p2.path = p2_hash.path
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WHERE
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pos.fd < 3
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AND pos.family != 1
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AND p0.path NOT IN (
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'/Applications/NetSpot.app/Contents/MacOS/NetSpot',
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'/Library/Application Support/Viscosity/viscosity_openvpn',
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'/usr/bin/skopeo',
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'/usr/libexec/bootpd',
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'/usr/libexec/pcp/bin/pmcd',
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'/usr/local/bin/velociraptor'
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)
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