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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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0
salt/elasticsearch/files/ingest/zeek.dns.tld → salt/elasticsearch/files/ingest/dns.tld
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25
salt/elasticsearch/files/ingest/suricata.dns
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@@ -2,18 +2,19 @@
"description" : "suricata.dns",
"processors" : [
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.type", "target_field": "dns.type", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.tx_id", "target_field": "dns.id", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.version", "target_field": "dns.version", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.rrname", "target_field": "dns.query.name", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.flags", "target_field": "dns.flags", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.type", "target_field": "dns.type", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.tx_id", "target_field": "dns.id", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.version", "target_field": "dns.version", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.rrname", "target_field": "dns.query.name", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.flags", "target_field": "dns.flags", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.qr", "target_field": "dns.qr", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.rd", "target_field": "dns.recursion.desired", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.ra", "target_field": "dns.recursion.available", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.rcode", "target_field": "dns.response.code", "ignore_missing": true } },
{ "rename": { "field": "message2.grouped.A", "target_field": "dns.answers.data", "ignore_missing": true } },
{ "rename": { "field": "message2.grouped.CNAME", "target_field": "dns.answers.name", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.rd", "target_field": "dns.recursion.desired", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.ra", "target_field": "dns.recursion.available", "ignore_missing": true } },
{ "rename": { "field": "message2.dns.rcode", "target_field": "dns.response.code", "ignore_missing": true } },
{ "rename": { "field": "message2.grouped.A", "target_field": "dns.answers.data", "ignore_missing": true } },
{ "rename": { "field": "message2.grouped.CNAME", "target_field": "dns.answers.name", "ignore_missing": true } },
{ "pipeline": { "if": "ctx.dns.query?.name != null && ctx.dns.query.name.contains('.')", "name": "dns.tld" } },
{ "pipeline": { "name": "common" } }
]
}
}

13
salt/elasticsearch/files/ingest/suricata.fileinfo
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@@ -2,17 +2,18 @@
"description" : "suricata.fileinfo",
"processors" : [
{ "set": { "field": "dataset", "value": "file" } },
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.filename", "target_field": "file.name", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.gaps", "target_field": "file.bytes.missing", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.magic", "target_field": "file.mime_type", "ignore_missing": true } },
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.filename", "target_field": "file.name", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.gaps", "target_field": "file.bytes.missing", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.magic", "target_field": "file.mime_type", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.md5", "target_field": "hash.md5", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.sha1", "target_field": "hash.sha1", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.sid", "target_field": "rule.uuid", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.size", "target_field": "file.size", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.state", "target_field": "file.state", "ignore_missing": true } },
{ "rename": { "field": "message2.fileinfo.stored", "target_field": "file.saved", "ignore_missing": true } },
{ "set": { "if": "ctx.network?.protocol != null", "field": "file.source", "value": "{{network.protocol}}" } },
{ "pipeline": { "name": "common" } }
]
}
}

34
salt/elasticsearch/files/ingest/suricata.tls
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@@ -1,22 +1,22 @@
{
"description" : "suricata.tls",
"processors" : [
{ "set": { "field": "dataset", "value": "ssl" } },
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.subject", "target_field": "ssl.certificate.subject", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.serial", "target_field": "ssl.certificate.serial", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.fingerprint", "target_field": "ssl.certificate.fingerprint", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.version", "target_field": "ssl.certificate.version", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3.hash", "target_field": "hash.ja3", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3.hash.string", "target_field": "hash.ja3_string", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3s.hash", "target_field": "hash.ja3s", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3s.hash.string", "target_field": "hash.ja3s_string", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.notbefore", "target_field": "x509.certificate.not_valid_before", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.notafter", "target_field": "x509.certificate.not_valid_after", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.sni", "target_field": "ssl.server_name", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.issuerdn", "target_field": "ssl.certificate.issuer", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.session_resumed", "target_field": "ssl.session_resumed", "ignore_missing": true } },
{ "set": { "field": "dataset", "value": "ssl" } },
{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
{ "rename": { "field": "message2.app_proto", "target_field": "network.protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.subject", "target_field": "ssl.certificate.subject", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.serial", "target_field": "ssl.certificate.serial", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.fingerprint", "target_field": "ssl.certificate.fingerprint", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.version", "target_field": "ssl.version", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3.hash", "target_field": "hash.ja3", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3.hash.string", "target_field": "hash.ja3_string", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3s.hash", "target_field": "hash.ja3s", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.ja3s.hash.string", "target_field": "hash.ja3s_string", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.notbefore", "target_field": "x509.certificate.not_valid_before", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.notafter", "target_field": "x509.certificate.not_valid_after", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.sni", "target_field": "ssl.server_name", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.issuerdn", "target_field": "ssl.certificate.issuer", "ignore_missing": true } },
{ "rename": { "field": "message2.tls.session_resumed", "target_field": "ssl.session_resumed", "ignore_missing": true } },
{ "pipeline": { "name": "common" } }
]
}
}

2
salt/elasticsearch/files/ingest/zeek.dns
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@@ -23,7 +23,7 @@
{ "rename": { "field": "message2.TTLs", "target_field": "dns.ttls", "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 } },
{ "pipeline": { "if": "ctx.dns.query?.name != null && ctx.dns.query.name.contains('.')", "name": "zeek.dns.tld" } },
{ "pipeline": { "if": "ctx.dns.query?.name != null && ctx.dns.query.name.contains('.')", "name": "dns.tld" } },
{ "pipeline": { "name": "zeek.common" } }
]
}