mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-14 10:04:40 +00:00
75 lines
2.5 KiB
SQL
75 lines
2.5 KiB
SQL
-- Find programs processes which link against libcurl, common among cross-platform malware
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--
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-- References:
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-- * https://objective-see.org/blog/blog_0x6C.html
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-- * https://objective-see.org/blog/blog_0x72.html
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--
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-- platform: linux
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-- tags: persistent state process seldom
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SELECT CONCAT (
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p0.name,
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',',
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REPLACE(
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p0.path,
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COALESCE(
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REGEX_MATCH (p0.path, "/nix/store/(.*?)/.*", 1),
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REGEX_MATCH (p0.path, "(\d[\.\d]+)/.*", 1),
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"3.11"
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),
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"__VERSION__"
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),
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',',
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p0.euid,
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',',
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CONCAT (
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SPLIT (p0.cgroup_path, "/", 0),
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",",
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SPLIT (p0.cgroup_path, "/", 1)
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),
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',',
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f.mode
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) AS exception_key,
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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.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.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.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 processes p0
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LEFT JOIN file f ON p0.path = f.path
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JOIN process_memory_map pmm ON p0.pid = pmm.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 p0.euid = 0
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AND pmm.path LIKE '%libcurl%'
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AND NOT exception_key IN (
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'flatpak-system-,/usr/libexec/flatpak-system-helper,0,system.slice,flatpak-system-helper.service,0755',
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'fwupd,/usr/libexec/fwupd/fwupd,0,system.slice,fwupd.service,0755',
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'fwupd,/usr/lib/fwupd/fwupd,0,system.slice,fwupd.service,0755',
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'NetworkManager,/usr/bin/NetworkManager,0,system.slice,NetworkManager.service,0755',
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'NetworkManager,/usr/sbin/NetworkManager,0,system.slice,NetworkManager.service,0755',
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'nix-daemon,/nix/store/__VERSION__/bin/nix,0,system.slice,nix-daemon.service,0555',
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'packagekitd,/usr/libexec/packagekitd,0,system.slice,packagekit.service,0755',
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'pacman,/usr/bin/pacman,0,user.slice,user-1000.slice,0755',
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'yum,/usr/bin/python__VERSION__,0,user.slice,user-1000.slice,0755'
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)
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GROUP BY p0.pid |