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Merge pull request #11896 from Security-Onion-Solutions/feature/elastic_certificate_fingerprints

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Add certificate fingerprints
This commit is contained in:
weslambert
2023-11-29 12:07:50 -05:00
committed by GitHub
parent a0573212c0 9d63a47792
commit 1a4d009b7f
2 changed files with 74 additions and 59 deletions
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16
salt/elasticsearch/files/ingest/zeek.ssl
View File

@@ -12,7 +12,9 @@
{ "rename": { "field": "message2.last_alert", "target_field": "ssl.last_alert", "ignore_missing": true } },
{ "rename": { "field": "message2.next_protocol", "target_field": "ssl.next_protocol", "ignore_missing": true } },
{ "rename": { "field": "message2.established", "target_field": "ssl.established", "ignore_missing": true } },
{ "rename": { "field": "message2.cert_chain_fuids", "target_field": "ssl.certificate.chain_fuids", "ignore_missing": true } },
{ "rename": { "if": "ctx.message2?.cert_chain_fps != null", "field": "message2.cert_chain_fps", "target_field": "tls.server.hash.sha256", "ignore_missing": true } },
{ "rename": { "field": "message2?.cert_chain_fuids", "target_field": "ssl.certificate.chain_fuids", "ignore_missing": true } },
{ "rename": { "if": "ctx.message2?.client_cert_chain_fps != null", "field": "message2.client_cert_chain_fps", "target_field": "tls.client.hash.sha256", "ignore_failure": true, "ignore_missing": true } },
{ "rename": { "field": "message2.client_cert_chain_fuids", "target_field": "ssl.client.certificate.chain_fuids", "ignore_missing": true } },
{ "rename": { "field": "message2.subject", "target_field": "ssl.certificate.subject", "ignore_missing": true } },
{ "rename": { "field": "message2.issuer", "target_field": "ssl.certificate.issuer", "ignore_missing": true } },
@@ -21,6 +23,18 @@
{ "rename": { "field": "message2.validation_status","target_field": "ssl.validation_status", "ignore_missing": true } },
{ "rename": { "field": "message2.ja3", "target_field": "hash.ja3", "ignore_missing": true } },
{ "rename": { "field": "message2.ja3s", "target_field": "hash.ja3s", "ignore_missing": true } },
{ "foreach":
{
"if": "ctx?.tls?.client?.hash?.sha256 !=null",
"field": "tls.client.hash.sha256",
"processor": {
"append": {
"field": "hash.sha256",
"value": "{{_ingest._value}}"
}
}
}
},
{ "pipeline": { "name": "zeek.common_ssl" } }
]
}

1
salt/elasticsearch/files/ingest/zeek.x509
View File

@@ -41,6 +41,7 @@
{ "rename": { "field": "message2.basic_constraints.ca", "target_field": "x509.basic_constraints.ca", "ignore_missing": true } },
{ "dot_expander": { "field": "basic_constraints.path_length", "path": "message2", "ignore_failure": true } },
{ "rename": { "field": "message2.basic_constraints.path_length", "target_field": "x509.basic_constraints.path_length", "ignore_missing": true } },
{ "rename": { "field": "message2.fingerprint", "target_field": "hash.sha256", "ignore_missing": true } },
{ "pipeline": { "name": "zeek.common_ssl" } }
]
}