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Merge pull request #1891 from Security-Onion-Solutions/syslog_cef

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Update syslog pipeline to allow for initial CEF parsing and pipeline …
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weslambert
2020-11-11 16:40:55 -05:00
committed by GitHub
parent 75b26fb2af 8258b782fc
commit 8c6adc21a8
1 changed files with 18 additions and 3 deletions
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21
salt/elasticsearch/files/ingest/syslog
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@@ -12,9 +12,24 @@
"ignore_failure": true "ignore_failure": true
} }
}, },
{ "grok": { "field": "message", "patterns": ["<%{INT:syslog.priority}>%{DATA:syslog.timestamp} %{WORD:source.application}: %{GREEDYDATA:real_message}"], "ignore_failure": false } }, {
{ "set": { "if": "ctx.source?.application == 'filterlog'", "field": "dataset", "value": "firewall" } }, "grok":
{ "pipeline": { "if": "ctx.dataset == 'firewall'", "name": "filterlog" } }, {
"field": "message",
"patterns": [
"^<%{INT:syslog.priority}>%{DATA:syslog.timestamp} %{WORD:source.application}: %{GREEDYDATA:real_message}$",
"^%{SYSLOGTIMESTAMP:syslog.timestamp} %{SYSLOGHOST:syslog.host} %{SYSLOGPROG:syslog.program}: CEF:0\\|%{DATA:vendor}\\|%{DATA:product}\\|%{GREEDYDATA:message2}$"
],
"ignore_failure": true
}
},
{ "set": { "if": "ctx.source?.application == 'filterlog'", "field": "dataset", "value": "firewall", "ignore_failure": true } },
{ "set": { "if": "ctx.vendor != null", "field": "module", "value": "{{ vendor }}", "ignore_failure": true } },
{ "set": { "if": "ctx.product != null", "field": "dataset", "value": "{{ product }}", "ignore_failure": true } },
{ "set": { "field": "ingest.timestamp", "value": "{{ @timestamp }}" } },
{ "date": { "if": "ctx.syslog?.timestamp != null", "field": "syslog.timestamp", "target_field": "@timestamp", "formats": ["MMM d HH:mm:ss", "MMM dd HH:mm:ss", "ISO8601", "UNIX"], "ignore_failure": true } },
{ "pipeline": { "if": "ctx.vendor != null && ctx.product != null", "name": "{{ vendor }}.{{ product }}", "ignore_failure": true } },
{ "pipeline": { "if": "ctx.dataset == 'firewall'", "name": "filterlog", "ignore_failure": true } },
{ "pipeline": { "name": "common" } } { "pipeline": { "name": "common" } }
] ]
} }