Query: compute_virtual_machine_by_remote_access

with network_sg as (
  select
    distinct name as sg_name,
    network_interfaces
  from
    azure_network_security_group as nsg,
    jsonb_array_elements(security_rules) as sg,
    jsonb_array_elements_text(
      case
        when jsonb_array_length(sg -> 'properties' -> 'destinationPortRanges') > 0 then (sg -> 'properties' -> 'destinationPortRanges')
        else jsonb_build_array(sg -> 'properties' -> 'destinationPortRange')
      end ) as dport,
    jsonb_array_elements_text(
      case
        when jsonb_array_length(sg -> 'properties' -> 'sourceAddressPrefixes') > 0 then (sg -> 'properties' -> 'sourceAddressPrefixes')
        else jsonb_build_array(sg -> 'properties' -> 'sourceAddressPrefix')
      end) as sip
  where
    sg -> 'properties' ->> 'access' = 'Allow'
    and sg -> 'properties' ->> 'direction' = 'Inbound'
    and sg -> 'properties' ->> 'protocol' in ('TCP','*')
    and sip in ('*', '0.0.0.0', '0.0.0.0/0', 'Internet', 'any', '<nw>/0', '/0')
    and (
      dport in ('22', '3389', '*')
      or (
        dport like '%-%'
        and (
          (
            split_part(dport, '-', 1) :: integer <= 3389
            and split_part(dport, '-', 2) :: integer >= 3389
          )
          or (
            split_part(dport, '-', 1) :: integer <= 22
            and split_part(dport, '-', 2) :: integer >= 22
          )
        )
      )
    )
)
select
  status,
  count(*)
from (
  select sg.sg_name,
    case when sg.sg_name is null then
      'restricted'
    else
      'unrestricted'
    end status
  from
    azure_compute_virtual_machine as vm
    left join network_sg as sg on vm.network_interfaces @> sg.network_interfaces ) as vm
group by
  status
order by
  status;