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Create zeek.dns.tld

Browse Source 
https://github.com/Security-Onion-Solutions/securityonion-saltstack/issues/599
This commit is contained in:
Doug Burks
2020-05-15 15:32:25 -04:00
committed by GitHub
parent 60d2a0818b
commit cc7a244d0b
1 changed files with 13 additions and 0 deletions
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13
salt/elasticsearch/files/ingest/zeek.dns.tld Normal file
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@@ -0,0 +1,13 @@
{
"description" : "zeek.dns.tld",
"processors" : [
{ "script": { "lang": "painless", "source": "ctx.top_level_domain = ctx.dns.query.name.substring(ctx.dns.query.name.lastIndexOf('.') + 1)", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.query_without_tld = ctx.dns.query.name.substring(0, (ctx.dns.query.name.lastIndexOf('.')))", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.parent_domain = ctx.query_without_tld.substring(ctx.query_without_tld.lastIndexOf('.') + 1)", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.subdomain = ctx.query_without_tld.substring(0, (ctx.query_without_tld.lastIndexOf('.')))", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.highest_registered_domain = ctx.parent_domain + '.' + ctx.top_level_domain", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.subdomain_length = ctx.subdomain.length()", "ignore_failure": true } },
{ "script": { "lang": "painless", "source": "ctx.parent_domain_length = ctx.parent_domain.length()", "ignore_failure": true } },
{ "remove": { "field": "query_without_tld", "ignore_failure": true } }
]
}