From d47acd1d809555ad39c6609fbe4ec0f112584461 Mon Sep 17 00:00:00 2001 From: Mike Reeves Date: Tue, 2 Jun 2020 11:41:13 -0400 Subject: [PATCH] Change suricata to hit suricata.common --- salt/elasticsearch/files/ingest/suricata.conn | 40 +++++++++++++++++++ salt/filebeat/etc/filebeat.yml | 2 +- 2 files changed, 41 insertions(+), 1 deletion(-) create mode 100644 salt/elasticsearch/files/ingest/suricata.conn diff --git a/salt/elasticsearch/files/ingest/suricata.conn b/salt/elasticsearch/files/ingest/suricata.conn new file mode 100644 index 000000000..5e3ae9c79 --- /dev/null +++ b/salt/elasticsearch/files/ingest/suricata.conn @@ -0,0 +1,40 @@ +{ + "description" : "zeek.conn", + "processors" : [ + { "remove": { "field": ["host"], "ignore_failure": true } }, + { "json": { "field": "message", "target_field": "message2", "ignore_failure": true } }, + { "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } }, + { "rename": { "field": "message2.service", "target_field": "network.protocol", "ignore_missing": true } }, + { "rename": { "field": "message2.duration", "target_field": "event.duration", "ignore_missing": true } }, + { "rename": { "field": "message2.orig_bytes", "target_field": "client.bytes", "ignore_missing": true } }, + { "rename": { "field": "message2.resp_bytes", "target_field": "server.bytes", "ignore_missing": true } }, + { "rename": { "field": "message2.conn_state", "target_field": "connection.state", "ignore_missing": true } }, + { "rename": { "field": "message2.local_orig", "target_field": "connection.local.originator", "ignore_missing": true } }, + { "rename": { "field": "message2.local_resp", "target_field": "connection.local.responder", "ignore_missing": true } }, + { "rename": { "field": "message2.missed_bytes", "target_field": "connection.bytes.missed", "ignore_missing": true } }, + { "rename": { "field": "message2.history", "target_field": "connection.history", "ignore_missing": true } }, + { "rename": { "field": "message2.orig_pkts", "target_field": "client.packets", "ignore_missing": true } }, + { "rename": { "field": "message2.orig_ip_bytes", "target_field": "client.ip_bytes", "ignore_missing": true } }, + { "rename": { "field": "message2.resp_pkts", "target_field": "server.packets", "ignore_missing": true } }, + { "rename": { "field": "message2.resp_ip_bytes", "target_field": "server.ip_bytes", "ignore_missing": true } }, + { "rename": { "field": "message2.tunnel_parents", "target_field": "log.id.tunnel_parents", "ignore_missing": true } }, + { "rename": { "field": "message2.orig_cc", "target_field": "client.country_code","ignore_missing": true } }, + { "rename": { "field": "message2.resp_cc", "target_field": "server.country_code", "ignore_missing": true } }, + { "rename": { "field": "message2.sensorname", "target_field": "observer.name", "ignore_missing": true } }, + { "script": { "lang": "painless", "source": "ctx.network.bytes = (ctx.client.bytes + ctx.server.bytes)", "ignore_failure": true } }, + { "set": { "if": "ctx.connection.state == 'S0'", "field": "connection.state_description", "value": "Connection attempt seen, no reply" } }, + { "set": { "if": "ctx.connection.state == 'S1'", "field": "connection.state_description", "value": "Connection established, not terminated" } }, + { "set": { "if": "ctx.connection.state == 'S2'", "field": "connection.state_description", "value": "Connection established and close attempt by originator seen (but no reply from responder)" } }, + { "set": { "if": "ctx.connection.state == 'S3'", "field": "connection.state_description", "value": "Connection established and close attempt by responder seen (but no reply from originator)" } }, + { "set": { "if": "ctx.connection.state == 'SF'", "field": "connection.state_description", "value": "Normal SYN/FIN completion" } }, + { "set": { "if": "ctx.connection.state == 'REJ'", "field": "connection.state_description", "value": "Connection attempt rejected" } }, + { "set": { "if": "ctx.connection.state == 'RSTO'", "field": "connection.state_description", "value": "Connection established, originator aborted (sent a RST)" } }, + { "set": { "if": "ctx.connection.state == 'RSTR'", "field": "connection.state_description", "value": "Established, responder aborted" } }, + { "set": { "if": "ctx.connection.state == 'RSTOS0'","field": "connection.state_description", "value": "Originator sent a SYN followed by a RST, we never saw a SYN-ACK from the responder" } }, + { "set": { "if": "ctx.connection.state == 'RSTRH'", "field": "connection.state_description", "value": "Responder sent a SYN ACK followed by a RST, we never saw a SYN from the (purported) originator" } }, + { "set": { "if": "ctx.connection.state == 'SH'", "field": "connection.state_description", "value": "Originator sent a SYN followed by a FIN, we never saw a SYN ACK from the responder (hence the connection was 'half' open)" } }, + { "set": { "if": "ctx.connection.state == 'SHR'", "field": "connection.state_description", "value": "Responder sent a SYN ACK followed by a FIN, we never saw a SYN from the originator" } }, + { "set": { "if": "ctx.connection.state == 'OTH'", "field": "connection.state_description", "value": "No SYN seen, just midstream traffic (a 'partial connection' that was not later closed)" } }, + { "pipeline": { "name": "zeek.common" } } + ] +} diff --git a/salt/filebeat/etc/filebeat.yml b/salt/filebeat/etc/filebeat.yml index be04effb0..31ad058b3 100644 --- a/salt/filebeat/etc/filebeat.yml +++ b/salt/filebeat/etc/filebeat.yml @@ -113,7 +113,7 @@ filebeat.inputs: - /suricata/eve.json fields: module: suricata - dataset: alert + dataset: common category: network processors: