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add fields to conn log

Browse Source 
https://github.com/Security-Onion-Solutions/securityonion-saltstack/issues/599
This commit is contained in:
Doug Burks
2020-05-15 15:02:02 -04:00
committed by GitHub
parent 58d59c6844
commit fc883745e5
1 changed files with 14 additions and 0 deletions
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14
salt/elasticsearch/files/ingest/zeek.conn
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@@ -21,6 +21,20 @@
{ "rename": { "field": "message2.orig_cc", "target_field": "client.country_code","ignore_missing": true } }, { "rename": { "field": "message2.orig_cc", "target_field": "client.country_code","ignore_missing": true } },
{ "rename": { "field": "message2.resp_cc", "target_field": "server.country_code", "ignore_missing": true } }, { "rename": { "field": "message2.resp_cc", "target_field": "server.country_code", "ignore_missing": true } },
{ "rename": { "field": "message2.sensorname", "target_field": "observer.name", "ignore_missing": true } }, { "rename": { "field": "message2.sensorname", "target_field": "observer.name", "ignore_missing": true } },
{ "script": { "lang": "painless", "source": "ctx.network.bytes = (ctx.client.bytes + ctx.server.bytes)", "ignore_failure": true } },
{ "set": { "if": "ctx.connection.state == 'S0'", "field": "connection.state_description", "value": "Connection attempt seen, no reply" } },
{ "set": { "if": "ctx.connection.state == 'S1'", "field": "connection.state_description", "value": "Connection established, not terminated" } },
{ "set": { "if": "ctx.connection.state == 'S2'", "field": "connection.state_description", "value": "Connection established and close attempt by originator seen (but no reply from responder)" } },
{ "set": { "if": "ctx.connection.state == 'S3'", "field": "connection.state_description", "value": "Connection established and close attempt by responder seen (but no reply from originator)" } },
{ "set": { "if": "ctx.connection.state == 'SF'", "field": "connection.state_description", "value": "Normal SYN/FIN completion" } },
{ "set": { "if": "ctx.connection.state == 'REJ'", "field": "connection.state_description", "value": "Connection attempt rejected" } },
{ "set": { "if": "ctx.connection.state == 'RSTO'", "field": "connection.state_description", "value": "Connection established, originator aborted (sent a RST)" } },
{ "set": { "if": "ctx.connection.state == 'RSTR'", "field": "connection.state_description", "value": "Established, responder aborted" } },
{ "set": { "if": "ctx.connection.state == 'RSTOS0'","field": "connection.state_description", "value": "Originator sent a SYN followed by a RST, we never saw a SYN-ACK from the responder" } },
{ "set": { "if": "ctx.connection.state == 'RSTRH'", "field": "connection.state_description", "value": "Responder sent a SYN ACK followed by a RST, we never saw a SYN from the (purported) originator" } },
{ "set": { "if": "ctx.connection.state == 'SH'", "field": "connection.state_description", "value": "Originator sent a SYN followed by a FIN, we never saw a SYN ACK from the responder (hence the connection was 'half' open)" } },
{ "set": { "if": "ctx.connection.state == 'SHR'", "field": "connection.state_description", "value": "Responder sent a SYN ACK followed by a FIN, we never saw a SYN from the originator" } },
{ "set": { "if": "ctx.connection.state == 'OTH'", "field": "connection.state_description", "value": "No SYN seen, just midstream traffic (a 'partial connection' that was not later closed)" } },
{ "pipeline": { "name": "zeek.common" } } { "pipeline": { "name": "zeek.common" } }
] ]
} }