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Cherry-pick #14519 to 7.x: [Filebeat] Fix parsing of Cisco ASA/FTD message 302021 #14610

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Nov 19, 2019
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1 change: 1 addition & 0 deletions CHANGELOG.next.asciidoc
Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
- Decode hex values in auditd module. {pull}14471[14471]
- Fix handling multiline log entries in nginx module. {issue}14349[14349] {pull}14499[14499]
- Fix parsing of Elasticsearch node name by `elasticsearch/slowlog` fileset. {pull}14547[14547]
- cisco/asa fileset: Fix parsing of 302021 message code. {pull}14519[14519]

*Heartbeat*

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1 change: 1 addition & 0 deletions x-pack/filebeat/module/cisco/asa/test/hostnames.log
Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
Oct 10 2019 10:21:36 localhost: %ASA-6-302021: Teardown ICMP connection for faddr target.destination.hostname.local/10005 gaddr 10.0.55.66/0 laddr Prod-host.name.addr/0
Jun 04 2011 21:59:52 MYHOSTNAME : %ASA-6-302021: Teardown ICMP connection for faddr 192.0.2.15/0 gaddr 192.0.2.134/57808 laddr 192.0.2.134/57808 type 8 code 0
Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
[
{
"@timestamp": "2019-10-10T10:21:36.000-02:00",
"cisco.asa.icmp_code": 0,
"cisco.asa.mapped_source_ip": "10.0.55.66",
"cisco.asa.message_id": "302021",
"destination.domain": "target.destination.hostname.local",
Expand All @@ -25,5 +24,33 @@
"tags": [
"cisco-asa"
]
},
{
"@timestamp": "2011-06-04T21:59:52.000-02:00",
"cisco.asa.mapped_source_ip": "192.0.2.134",
"cisco.asa.message_id": "302021",
"cisco.asa.source_username": "type",
"destination.address": "192.0.2.15",
"destination.ip": "192.0.2.15",
"event.action": "flow-expiration",
"event.code": 302021,
"event.dataset": "cisco.asa",
"event.module": "cisco",
"event.original": "%ASA-6-302021: Teardown ICMP connection for faddr 192.0.2.15/0 gaddr 192.0.2.134/57808 laddr 192.0.2.134/57808 type 8 code 0",
"event.severity": 6,
"event.timezone": "-02:00",
"fileset.name": "asa",
"host.hostname": "MYHOSTNAME",
"input.type": "log",
"log.level": "informational",
"log.offset": 169,
"network.iana_number": 1,
"network.transport": "icmp",
"service.type": "cisco",
"source.address": "192.0.2.134",
"source.ip": "192.0.2.134",
"tags": [
"cisco-asa"
]
}
]
Original file line number Diff line number Diff line change
Expand Up @@ -343,7 +343,6 @@
},
{
"@timestamp": "2011-06-04T21:59:52.000-02:00",
"cisco.asa.icmp_code": 17233,
"cisco.asa.mapped_source_ip": "192.168.132.46",
"cisco.asa.message_id": "302021",
"destination.address": "172.24.177.29",
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Original file line number Diff line number Diff line change
Expand Up @@ -343,7 +343,6 @@
},
{
"@timestamp": "2011-06-04T21:59:52.000-02:00",
"cisco.ftd.icmp_code": 17233,
"cisco.ftd.mapped_source_ip": "192.168.132.46",
"cisco.ftd.message_id": "302021",
"destination.address": "172.24.177.29",
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Original file line number Diff line number Diff line change
Expand Up @@ -413,7 +413,7 @@ processors:
if: "[\"302014\", \"302016\", \"302018\", \"302021\", \"302036\", \"302304\", \"302306\"].contains(ctx._temp_.cisco.message_id)"
patterns:
- "Teardown %{NOTSPACE:network.transport} (?:state-bypass )?connection %{NOTSPACE:_temp_.cisco.connection_id} (?:for|from) %{NOTCOLON:_temp_.cisco.source_interface}:%{DATA:source.address}/%{NUMBER:source.port:int} (?:%{NOTSPACE:_temp_.cisco.source_username} )?to %{NOTCOLON:_temp_.cisco.destination_interface}:%{DATA:destination.address}/%{NUMBER:destination.port:int} (?:%{NOTSPACE:_temp_.cisco.destination_username} )?(?:duration %{TIME:_temp_.duration_hms} bytes %{NUMBER:network.bytes:int})%{GREEDYDATA}"
- "Teardown %{NOTSPACE:network.transport} connection for faddr (?:%{NOTCOLON:_temp_.cisco.source_interface}:)?%{ECSDESTIPORHOST}/%{NUMBER} (?:%{NOTSPACE:_temp_.cisco.destination_username} )?gaddr (?:%{NOTCOLON}:)?%{MAPPEDSRC}/%{NUMBER} laddr (?:%{NOTCOLON:_temp_.cisco.source_interface}:)?%{ECSSOURCEIPORHOST}/%{NUMBER:_temp_.cisco.icmp_code:int}(?: %{NOTSPACE:_temp_.cisco.source_username})?%{GREEDYDATA}"
- "Teardown %{NOTSPACE:network.transport} connection for faddr (?:%{NOTCOLON:_temp_.cisco.source_interface}:)?%{ECSDESTIPORHOST}/%{NUMBER} (?:%{NOTSPACE:_temp_.cisco.destination_username} )?gaddr (?:%{NOTCOLON}:)?%{MAPPEDSRC}/%{NUMBER} laddr (?:%{NOTCOLON:_temp_.cisco.source_interface}:)?%{ECSSOURCEIPORHOST}/%{NUMBER}(?: %{NOTSPACE:_temp_.cisco.source_username})?%{GREEDYDATA}"
pattern_definitions:
NOTCOLON: "[^:]*"
ECSSOURCEIPORHOST: "(?:%{IP:source.address}|%{HOSTNAME:source.domain})"
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