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Improve support for Suricata metadata #2200

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doug
2021-02-22 10:27:24 -05:00
parent d4ee2b86e6
commit 3467f30603
5 changed files with 38 additions and 36 deletions
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13
salt/elasticsearch/files/ingest/dns.tld Normal file
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@@ -0,0 +1,13 @@
{
"description" : "zeek.dns.tld",
"processors" : [
{ "script": { "lang": "painless", "source": "ctx.dns.top_level_domain = ctx.dns.query.name.substring(ctx.dns.query.name.lastIndexOf('.') + 1)", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.query_without_tld = ctx.dns.query.name.substring(0, (ctx.dns.query.name.lastIndexOf('.')))", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.parent_domain = ctx.dns.query_without_tld.substring(ctx.dns.query_without_tld.lastIndexOf('.') + 1)", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.subdomain = ctx.dns.query_without_tld.substring(0, (ctx.dns.query_without_tld.lastIndexOf('.')))", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.highest_registered_domain = ctx.dns.parent_domain + '.' + ctx.dns.top_level_domain", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.subdomain_length = ctx.dns.subdomain.length()", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.dns.parent_domain_length = ctx.dns.parent_domain.length()", "ignore_failure": true } },
{ "remove": { "field": "dns.query_without_tld", "ignore_failure": true } }
]
}