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Merge pull request #9682 from Security-Onion-Solutions/fix/suricata-dhcp-parsing-2.4

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2.4: Improve Suricata DHCP parsing and dashboard
This commit is contained in:
Doug Burks
2023-01-31 10:18:41 -05:00
committed by GitHub
parent bde828cd4f a44d83d69b
commit acffc5ee07
2 changed files with 12 additions and 10 deletions
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20
salt/elasticsearch/files/ingest/suricata.dhcp
View File

@@ -1,15 +1,17 @@
{
"description" : "suricata.dhcp",
"processors" : [
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.assigned_ip", "target_field": "dhcp.assigned_ip", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.client_ip", "target_field": "client.address", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.client_mac", "target_field": "host.mac", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.dhcp_type", "target_field": "dhcp.message_types", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.hostname", "target_field": "host.hostname", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.type", "target_field": "dhcp.type", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.id", "target_field": "dhcp.id", "ignore_missing": true } },
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.assigned_ip", "target_field": "dhcp.assigned_ip", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.client_ip", "target_field": "client.address", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.client_mac", "target_field": "host.mac", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.dhcp_type", "target_field": "dhcp.message_types", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.hostname", "target_field": "host.hostname", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.type", "target_field": "dhcp.type", "ignore_missing": true } },
{ "rename": { "field": "message2.dhcp.id", "target_field": "dhcp.id", "ignore_missing": true } },
{ "set": { "if": "ctx.dhcp?.type == 'request'", "field": "server.address", "value": "{{destination.ip}}" } },
{ "set": { "if": "ctx.dhcp?.type == 'reply'", "field": "server.address", "value": "{{source.ip}}" } },
{ "pipeline": { "name": "common" } }
]
}

2
salt/soc/defaults.yaml
View File

@@ -1430,7 +1430,7 @@ soc:
query: 'event.dataset:dce_rpc | groupby -sankey dce_rpc.endpoint dce_rpc.operation | groupby dce_rpc.endpoint | groupby dce_rpc.operation | groupby dce_rpc.named_pipe | groupby source.ip | groupby destination.ip | groupby destination.port | groupby destination_geo.organization_name'
- name: DHCP
description: DHCP (Dynamic Host Configuration Protocol) leases
query: 'event.dataset:dhcp | groupby host.hostname | groupby host.domain | groupby dhcp.message_types | groupby -sankey client.address server.address | groupby client.address | groupby server.address'
query: 'event.dataset:dhcp | groupby host.hostname | groupby dhcp.message_types | groupby -sankey client.address server.address | groupby client.address | groupby server.address | groupby host.domain'
- name: DNS
description: DNS (Domain Name System) queries
query: 'event.dataset:dns | groupby dns.query.name | groupby dns.highest_registered_domain | groupby dns.parent_domain | groupby -sankey source.ip destination.ip | groupby dns.answers.name | groupby dns.query.type_name | groupby dns.response.code_name | groupby source.ip | groupby destination.ip | groupby destination.port | groupby destination_geo.organization_name'