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zeek dns.resolved_ip

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reyesj2
2025-08-19 11:20:59 -05:00
parent 6fae4a9974
commit 95bee91b12
2 changed files with 25 additions and 1 deletions
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22
salt/elasticsearch/files/ingest/common.ip_validation Normal file
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@@ -0,0 +1,22 @@
{
"processors": [
{
"convert": {
"field": "_ingest._value",
"type": "ip",
"target_field": "_ingest._temp_ip",
"ignore_failure": true
}
},
{
"append": {
"field": "temp._valid_ips",
"allow_duplicates": false,
"value": [
"{{{_ingest._temp_ip}}}"
],
"ignore_failure": true
}
}
]
}

4
salt/elasticsearch/files/ingest/zeek.dns
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@@ -21,7 +21,9 @@
{ "rename": { "field": "message2.RA", "target_field": "dns.recursion.available", "ignore_missing": true } }, { "rename": { "field": "message2.RA", "target_field": "dns.recursion.available", "ignore_missing": true } },
{ "rename": { "field": "message2.Z", "target_field": "dns.reserved", "ignore_missing": true } }, { "rename": { "field": "message2.Z", "target_field": "dns.reserved", "ignore_missing": true } },
{ "rename": { "field": "message2.answers", "target_field": "dns.answers.name", "ignore_missing": true } }, { "rename": { "field": "message2.answers", "target_field": "dns.answers.name", "ignore_missing": true } },
{ "script": { "lang": "painless", "if": "ctx.dns != null && ctx.dns.answers != null && ctx.dns.answers.name != null", "source": "def ips = []; for (item in ctx.dns.answers.name) { if (item =~ /^(?:[0-9]{1,3}\\.){3}[0-9]{1,3}$/ || item =~ /^([a-fA-F0-9:]+:+)+[a-fA-F0-9]+$/) { ips.add(item); } } ctx.dns.resolved_ip = ips;" } }, { "foreach": {"field": "dns.answers.name","processor": {"pipeline": {"name": "common.ip_validation"}},"if": "ctx.dns != null && ctx.dns.answers != null && ctx.dns.answers.name != null","ignore_failure": true}},
{ "foreach": {"field": "temp._valid_ips","processor": {"append": {"field": "dns.resolved_ip","allow_duplicates": false,"value": "{{{_ingest._value}}}","ignore_failure": true}},"ignore_failure": true}},
{ "remove": {"field": ["temp"], "ignore_missing": true ,"ignore_failure": true } },
{ "rename": { "field": "message2.TTLs", "target_field": "dns.ttls", "ignore_missing": true } }, { "rename": { "field": "message2.TTLs", "target_field": "dns.ttls", "ignore_missing": true } },
{ "rename": { "field": "message2.rejected", "target_field": "dns.query.rejected", "ignore_missing": true } }, { "rename": { "field": "message2.rejected", "target_field": "dns.query.rejected", "ignore_missing": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.query.length = ctx.dns.query.name.length()", "ignore_failure": true } }, { "script": { "lang": "painless", "source": "ctx.dns.query.length = ctx.dns.query.name.length()", "ignore_failure": true } },