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https://github.com/Security-Onion-Solutions/securityonion.git
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44 lines
5.1 KiB
Plaintext
44 lines
5.1 KiB
Plaintext
{
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"description" : "zeek.conn",
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"processors" : [
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{ "set": { "field": "event.dataset", "value": "conn" } },
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{ "remove": { "field": ["host"], "ignore_failure": true } },
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{ "json": { "field": "message", "target_field": "message2", "ignore_failure": true } },
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{ "rename": { "field": "message2.proto", "target_field": "network.transport", "ignore_missing": true } },
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{ "rename": { "field": "message2.service", "target_field": "network.protocol", "ignore_missing": true } },
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{ "rename": { "field": "message2.duration", "target_field": "event.duration", "ignore_missing": true } },
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{ "rename": { "field": "message2.orig_bytes", "target_field": "client.bytes", "ignore_missing": true } },
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{ "rename": { "field": "message2.resp_bytes", "target_field": "server.bytes", "ignore_missing": true } },
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{ "rename": { "field": "message2.conn_state", "target_field": "connection.state", "ignore_missing": true } },
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{ "rename": { "field": "message2.local_orig", "target_field": "connection.local.originator", "ignore_missing": true } },
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{ "rename": { "field": "message2.local_resp", "target_field": "connection.local.responder", "ignore_missing": true } },
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{ "rename": { "field": "message2.missed_bytes", "target_field": "connection.bytes.missed", "ignore_missing": true } },
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{ "rename": { "field": "message2.history", "target_field": "connection.history", "ignore_missing": true } },
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{ "rename": { "field": "message2.orig_pkts", "target_field": "client.packets", "ignore_missing": true } },
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{ "rename": { "field": "message2.orig_ip_bytes", "target_field": "client.ip_bytes", "ignore_missing": true } },
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{ "rename": { "field": "message2.resp_pkts", "target_field": "server.packets", "ignore_missing": true } },
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{ "rename": { "field": "message2.resp_ip_bytes", "target_field": "server.ip_bytes", "ignore_missing": true } },
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{ "rename": { "field": "message2.orig_mac_oui", "target_field": "client.oui", "ignore_missing": true } },
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{ "rename": { "field": "message2.tunnel_parents", "target_field": "log.id.tunnel_parents", "ignore_missing": true } },
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{ "rename": { "field": "message2.orig_cc", "target_field": "client.country_code", "ignore_missing": true } },
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{ "rename": { "field": "message2.resp_cc", "target_field": "server.country_code", "ignore_missing": true } },
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{ "rename": { "field": "message2.sensorname", "target_field": "observer.name", "ignore_missing": true } },
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{ "rename": { "field": "message2.vlan", "target_field": "network.vlan.id", "ignore_missing": true } },
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{ "script": { "lang": "painless", "source": "ctx.network.bytes = (ctx.client.bytes + ctx.server.bytes)", "ignore_failure": true } },
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{ "set": { "if": "ctx.connection?.state == 'S0'", "field": "connection.state_description", "value": "Connection attempt seen, no reply" } },
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{ "set": { "if": "ctx.connection?.state == 'S1'", "field": "connection.state_description", "value": "Connection established, not terminated" } },
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{ "set": { "if": "ctx.connection?.state == 'S2'", "field": "connection.state_description", "value": "Connection established and close attempt by originator seen (but no reply from responder)" } },
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{ "set": { "if": "ctx.connection?.state == 'S3'", "field": "connection.state_description", "value": "Connection established and close attempt by responder seen (but no reply from originator)" } },
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{ "set": { "if": "ctx.connection?.state == 'SF'", "field": "connection.state_description", "value": "Normal SYN/FIN completion" } },
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{ "set": { "if": "ctx.connection?.state == 'REJ'", "field": "connection.state_description", "value": "Connection attempt rejected" } },
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{ "set": { "if": "ctx.connection?.state == 'RSTO'", "field": "connection.state_description", "value": "Connection established, originator aborted (sent a RST)" } },
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{ "set": { "if": "ctx.connection?.state == 'RSTR'", "field": "connection.state_description", "value": "Established, responder aborted" } },
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{ "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" } },
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{ "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" } },
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{ "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)" } },
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{ "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" } },
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{ "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)" } },
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{ "pipeline": { "name": "zeek.common" } }
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]
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}
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