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Add parsing for Playbook

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This commit is contained in:
Josh Brower
2025-05-19 13:25:27 -04:00
parent 2948577b0e
commit b55cb257b6
6 changed files with 102 additions and 41 deletions
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2
salt/elasticsearch/files/ingest/global@custom
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@@ -24,6 +24,8 @@
{ "set": { "if": "ctx.event?.module == 'fim'", "override": true, "field": "event.module", "value": "file_integrity" } },
{ "rename": { "if": "ctx.winlog?.provider_name == 'Microsoft-Windows-Windows Defender'", "ignore_missing": true, "field": "winlog.event_data.Threat Name", "target_field": "winlog.event_data.threat_name" } },
{ "set": { "if": "ctx?.metadata?.kafka != null" , "field": "kafka.id", "value": "{{metadata.kafka.partition}}{{metadata.kafka.offset}}{{metadata.kafka.timestamp}}", "ignore_failure": true } },
{"append": {"field":"related.ip","value":["{{source.ip}}","{{destination.ip}}"],"allow_duplicates":false,"if":"ctx?.event?.dataset == 'endpoint.events.network'","ignore_failure":true}},
{"foreach": {"field":"host.ip","processor":{"append":{"field":"related.ip","value":"{{_ingest._value}}","allow_duplicates":false}},"ignore_failure":true}},
{ "remove": { "field": [ "message2", "type", "fields", "category", "module", "dataset", "event.dataset_temp", "dataset_tag_temp", "module_temp", "datastream_dataset_temp" ], "ignore_missing": true, "ignore_failure": true } }
]
}

1
salt/elasticsearch/files/ingest/suricata.alert
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@@ -9,6 +9,7 @@
{ "rename":{ "field": "rule.signature_id", "target_field": "rule.uuid", "ignore_failure": true } },
{ "rename":{ "field": "rule.signature_id", "target_field": "rule.signature", "ignore_failure": true } },
{ "rename":{ "field": "message2.payload_printable", "target_field": "network.data.decoded", "ignore_failure": true } },
{ "dissect": { "field": "rule.rule", "pattern": "%{?prefix}content:\"%{dns.query_name}\"%{?remainder}", "ignore_missing": true, "ignore_failure": true } },
{ "pipeline": { "name": "common.nids" } }
]
}

7
salt/elasticsearch/files/ingest/suricata.common
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@@ -18,6 +18,13 @@
{ "set": { "field": "event.ingested", "value": "{{@timestamp}}" } },
{ "date": { "field": "message2.timestamp", "target_field": "@timestamp", "formats": ["ISO8601", "UNIX"], "timezone": "UTC", "ignore_failure": true } },
{ "remove":{ "field": "agent", "ignore_failure": true } },
{"append":{"field":"related.ip","value":["{{source.ip}}","{{destination.ip}}"],"allow_duplicates":false,"ignore_failure":true}},
{
"script": {
"source": "boolean isPrivate(def ip) { if (ip == null) return false; int dot1 = ip.indexOf('.'); if (dot1 == -1) return false; int dot2 = ip.indexOf('.', dot1 + 1); if (dot2 == -1) return false; int first = Integer.parseInt(ip.substring(0, dot1)); if (first == 10) return true; if (first == 192 && ip.startsWith('168.', dot1 + 1)) return true; if (first == 172) { int second = Integer.parseInt(ip.substring(dot1 + 1, dot2)); return second >= 16 && second <= 31; } return false; } String[] fields = new String[] {\"source\", \"destination\"}; for (int i = 0; i < fields.length; i++) { def field = fields[i]; def ip = ctx[field]?.ip; if (ip != null) { if (ctx.network == null) ctx.network = new HashMap(); if (isPrivate(ip)) { if (ctx.network.private_ip == null) ctx.network.private_ip = new ArrayList(); if (!ctx.network.private_ip.contains(ip)) ctx.network.private_ip.add(ip); } else { if (ctx.network.public_ip == null) ctx.network.public_ip = new ArrayList(); if (!ctx.network.public_ip.contains(ip)) ctx.network.public_ip.add(ip); } } }",
"ignore_failure": false
}
},
{ "pipeline": { "if": "ctx?.event?.dataset != null", "name": "suricata.{{event.dataset}}" } }
]
}