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suricata 8 dns v3

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This commit is contained in:
reyesj2
2025-11-13 19:21:31 -06:00
parent 7be70faab6
commit e782266caa
3 changed files with 155 additions and 0 deletions
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22
salt/elasticsearch/files/ingest/suricata.dns
View File

@@ -25,6 +25,13 @@
{
"rename": {
"field": "message2.dns.tx_id",
"target_field": "dns.tx_id",
"ignore_missing": true
}
},
{
"rename": {
"field": "message2.dns.id",
"target_field": "dns.id",
"ignore_missing": true
}
@@ -36,6 +43,14 @@
"ignore_missing": true
}
},
{
"pipeline": {
"name": "suricata.dnsv3",
"ignore_missing_pipeline": true,
"if": "ctx?.dns?.version != null && ctx?.dns?.version == 3",
"ignore_failure": true
}
},
{
"rename": {
"field": "message2.dns.rrname",
@@ -78,6 +93,13 @@
"ignore_missing": true
}
},
{
"rename": {
"field": "message2.dns.opcode",
"target_field": "dns.opcode",
"ignore_missing": true
}
},
{
"rename": {
"field": "message2.dns.rcode",

88
salt/elasticsearch/files/ingest/suricata.dnsv3 Normal file
View File

@@ -0,0 +1,88 @@
{
"processors": [
{
"rename": {
"field": "message2.dns.queries",
"target_field": "dns.queries",
"ignore_missing": true,
"ignore_failure": true
}
},
{
"script": {
"source": "if (ctx?.dns?.queries != null && ctx?.dns?.queries.length > 0) {\n if (ctx.dns == null) {\n ctx.dns = new HashMap();\n }\n if (ctx.dns.query == null) {\n ctx.dns.query = new HashMap();\n }\n ctx.dns.query.name = ctx?.dns?.queries[0].rrname;\n}"
}
},
{
"script": {
"source": "if (ctx?.dns?.queries != null && ctx?.dns?.queries.length > 0) {\n if (ctx.dns == null) {\n ctx.dns = new HashMap();\n }\n if (ctx.dns.query == null) {\n ctx.dns.query = new HashMap();\n }\n ctx.dns.query.type_name = ctx?.dns?.queries[0].rrtype;\n}"
}
},
{
"foreach": {
"field": "dns.queries",
"processor": {
"rename": {
"field": "_ingest._value.rrname",
"target_field": "_ingest._value.name",
"ignore_missing": true
}
},
"ignore_failure": true
}
},
{
"foreach": {
"field": "dns.queries",
"processor": {
"rename": {
"field": "_ingest._value.rrtype",
"target_field": "_ingest._value.type_name",
"ignore_missing": true
}
},
"ignore_failure": true
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.name != null && q.name.contains('.')) {\n q.top_level_domain = q.name.substring(q.name.lastIndexOf('.') + 1);\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.name != null && q.name.contains('.')) {\n q.query_without_tld = q.name.substring(0, q.name.lastIndexOf('.'));\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.query_without_tld != null && q.query_without_tld.contains('.')) {\n q.parent_domain = q.query_without_tld.substring(q.query_without_tld.lastIndexOf('.') + 1);\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.query_without_tld != null && q.query_without_tld.contains('.')) {\n q.subdomain = q.query_without_tld.substring(0, q.query_without_tld.lastIndexOf('.'));\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.parent_domain != null && q.top_level_domain != null) {\n q.highest_registered_domain = q.parent_domain + \".\" + q.top_level_domain;\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.subdomain != null) {\n q.subdomain_length = q.subdomain.length();\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.parent_domain != null) {\n q.parent_domain_length = q.parent_domain.length();\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n q.remove('query_without_tld');\n }\n}"
}
}
]
}

45
salt/elasticsearch/files/ingest/suricata.tld Normal file
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@@ -0,0 +1,45 @@
{
"description": "Duplicate of dns.tld for use within suricata.dns events that use dns.queries[] inplace of dns.query.x ",
"processors": [
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.name != null && q.name.contains('.')) {\n q.top_level_domain = q.name.substring(q.name.lastIndexOf('.') + 1);\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.name != null && q.name.contains('.')) {\n q.query_without_tld = q.name.substring(0, q.name.lastIndexOf('.'));\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.query_without_tld != null && q.query_without_tld.contains('.')) {\n q.parent_domain = q.query_without_tld.substring(q.query_without_tld.lastIndexOf('.') + 1);\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.query_without_tld != null && q.query_without_tld.contains('.')) {\n q.subdomain = q.query_without_tld.substring(0, q.query_without_tld.lastIndexOf('.'));\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.parent_domain != null && q.top_level_domain != null) {\n q.highest_registered_domain = q.parent_domain + \".\" + q.top_level_domain;\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.subdomain != null) {\n q.subdomain_length = q.subdomain.length();\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n if (q.parent_domain != null) {\n q.parent_domain_length = q.parent_domain.length();\n }\n }\n}"
}
},
{
"script": {
"source": "if (ctx.dns != null && ctx.dns.queries != null) {\n for (def q : ctx.dns.queries) {\n q.remove('query_without_tld');\n }\n}"
}
}
]
}