{ "description" : "sguild_nids", "processors" : [ { "dissect": { "field": "message", "pattern" : "%{} %{} %{} Alert Received: %{} %{priority} %{classification} %{interface} {%{alerttime}} %{} %{} {%{alert}} %{source_ip} %{destination_ip} %{protocol} %{source_port} %{destination_port} %{gid} %{sid} %{rev} ", "on_failure": [ { "drop" : { } } ] } }, { "set": { "if": "ctx.protocol == '1'", "field": "protocol", "value": "ICMP" } }, { "set": { "if": "ctx.protocol == '6'", "field": "protocol", "value": "TCP" } }, { "set": { "if": "ctx.protocol == '17'", "field": "protocol", "value": "UDP" } }, { "remove": { "if": "ctx.source_ip == '{}'", "field": "source_ip" } }, { "remove": { "if": "ctx.destination_ip == '{}'", "field": "destination_ip" } }, { "remove": { "if": "ctx.protocol == '{}'", "field": "protocol" } }, { "remove": { "if": "ctx.source_port == '{}'", "field": "source_port" } }, { "remove": { "if": "ctx.destination_port == '{}'", "field": "destination_port" } }, { "set": { "field": "type", "value": "snort" } }, { "rename": { "field": "@timestamp", "target_field": "timestamp", "ignore_missing": true } }, { "date": { "field": "alerttime", "target_field": "@timestamp", "formats": ["yyyy-MM-dd HH:mm:ss"], "ignore_failure": true } }, { "remove": { "field": "alerttime", "ignore_missing": true } }, { "pipeline": { "name": "common_nids" } } ] }