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securityonion/salt/elasticsearch/files/ingest/zeek.dns.tld
2020-05-18 08:32:37 -04:00

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{
"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 } }
]
}