process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and (
  (process.name == "chmod" and (process.args : ("+s", "u+s", "g+s") or process.args regex "[24][0-9]{3}")) or
  (process.name == "install" and process.args : "-m" and
  (process.args : ("+s", "u+s", "g+s") or process.args regex "[24][0-9]{3}"))
) and not (
  process.parent.executable : (
    "/usr/NX/*", "/var/lib/docker/*", "/var/lib/dpkg/info*", "/tmp/newroot/*",
    "/System/Library/PrivateFrameworks/PackageKit.framework/Versions/A/XPCServices/package_script_service.xpc/Contents/MacOS/package_script_service"
  ) or
  process.args : (
    "/run/*", "/var/run/*", "/usr/bin/keybase-redirector", "/usr/local/share/fonts", "/usr/bin/ssh-agent"
  )
)