File: //usr/share/filebeat/module/crowdstrike/falcon/ingest/firewall_match.yml
processors:
- set:
field: event.kind
value: event
- append:
field: event.category
value: [network]
- append:
field: event.action
value: [firewall_match_event]
- append:
field: event.type
value: [start, connection]
- set:
field: event.dataset
value: crowdstrike.falcon_endpoint
- set:
field: message
value: "Firewall Rule '{{crowdstrike.event.RuleName}}' triggered"
if: ctx?.crowdstrike?.event?.RuleName != null
ignore_failure: true
- convert:
field: "crowdstrike.event.Ipv"
target_field: "network.type"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.PID"
target_field: "process.pid"
ignore_failure: true
ignore_missing: true
type: "long"
- convert:
field: "crowdstrike.event.RuleId"
target_field: "rule.id"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.RuleName"
target_field: "rule.name"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.RuleGroupName"
target_field: "rule.ruleset"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.RuleDescription"
target_field: "rule.description"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.RuleFamilyID"
target_field: "rule.category"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.HostName"
target_field: "host.name"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.Ipv"
target_field: "network.type"
type: string
ignore_missing: true
ignore_failure: true
- convert:
field: "crowdstrike.event.EventType"
target_field: "event.code"
type: string
ignore_missing: true
ignore_failure: true
- set:
field: network.direction
value: ingress
if: ctx?.crowdstrike?.event?.ConnectionDirection == "1"
- set:
field: source.ip
value: "{{crowdstrike.event.RemoteAddress}}"
ignore_empty_value: true
if: ctx?.crowdstrike?.event?.ConnectionDirection == "1"
- convert:
field: crowdstrike.event.RemotePort
target_field: source.port
type: long
ignore_missing: true
ignore_failure: true
if: ctx?.crowdstrike?.event?.ConnectionDirection == "1"
- set:
field: destination.ip
value: "{{crowdstrike.event.LocalAddress}}"
ignore_empty_value: true
if: ctx?.crowdstrike?.event?.ConnectionDirection == "1"
- convert:
field: crowdstrike.event.LocalPort
target_field: destination.port
type: long
ignore_missing: true
ignore_failure: true
if: ctx?.crowdstrike?.event?.ConnectionDirection == "1"
- set:
field: network.direction
value: ingress
if: ctx?.crowdstrike?.event?.ConnectionDirection != "1"
- set:
field: destination.ip
value: "{{crowdstrike.event.RemoteAddress}}"
ignore_empty_value: true
if: ctx?.crowdstrike?.event?.ConnectionDirection != "1"
- convert:
field: crowdstrike.event.RemotePort
target_field: destination.port
type: long
ignore_missing: true
ignore_failure: true
if: ctx?.crowdstrike?.event?.ConnectionDirection != "1"
- set:
field: source.ip
value: "{{crowdstrike.event.LocalAddress}}"
ignore_empty_value: true
if: ctx?.crowdstrike?.event?.ConnectionDirection != "1"
- convert:
field: crowdstrike.event.LocalPort
target_field: source.port
type: long
ignore_missing: true
ignore_failure: true
if: ctx?.crowdstrike?.event?.ConnectionDirection != "1"