x-pack/filebeat/module/cisco: fix handling of user parsing with sgt fields

CHANGELOG.next.asciidoc

@@ -45,6 +45,7 @@ https://github.com/elastic/beats/compare/v8.2.0\...main[Check the HEAD diff]
 
 *Filebeat*
 
+- cisco/asa: fix handling of user names when there are Security Group Tags present. {issue}32009[32009] {pull}32196[32196]
 
 *Heartbeat*
 

filebeat/docs/fields.asciidoc

@@ -21459,6 +21459,16 @@ type: keyword
 
 --
 
+*`cisco.asa.source_user_security_group_tag`*::
++
+--
+The Security Group Tag for the source user. Security Group Tag are 16-bit identifiers used to represent logical group privilege.
+
+
+type: long
+
+--
+
 *`cisco.asa.destination_username`*::
 +
 --
@@ -21469,6 +21479,16 @@ type: keyword
 
 --
 
+*`cisco.asa.destination_user_security_group_tag`*::
++
+--
+The Security Group Tag for the destination user. Security Group Tag are 16-bit identifiers used to represent logical group privilege.
+
+
+type: long
+
+--
+
 *`cisco.asa.mapped_source_ip`*::
 +
 --

x-pack/filebeat/module/cisco/asa/_meta/fields.yml

@@ -34,11 +34,21 @@
     description: >
       Name of the user that is the source for this event.
 
+  - name: source_user_security_group_tag
+    type: long
+    description: >
+      The Security Group Tag for the source user. Security Group Tag are 16-bit identifiers used to represent logical group privilege.
+
   - name: destination_username
     type: keyword
     description: >
       Name of the user that is the destination for this event.
 
+  - name: destination_user_security_group_tag
+    type: long
+    description: >
+      The Security Group Tag for the destination user. Security Group Tag are 16-bit identifiers used to represent logical group privilege.
+
   - name: mapped_source_ip
     type: ip
     description: >

x-pack/filebeat/module/cisco/asa/test/asa-fix.log

@@ -9,3 +9,6 @@ Oct 20 2019 15:42:53: %ASA-6-106100: access-list incoming permitted udp dmz2/127
 Oct 20 2019 15:42:54: %ASA-6-106100: access-list incoming permitted udp dmz2/127.2.3.4(56575)(LOCAL\\username) -> inside/127.3.4.5(53) hit-cnt 1 first hit [0x93d0e533, 0x578ef52f]
 Aug  6 2020 11:01:37: %ASA-session-3-106102: access-list dev_inward_client permitted udp for user redacted outside/10.123.123.20(49721) -> inside/10.223.223.40(53) hit-cnt 1 first hit [0x3c8b88c1, 0xbee595c3]
 Aug  6 2020 11:01:38: %ASA-1-106103: access-list filter denied icmp for user joe inside/10.1.2.3(64321) -> outside/1.2.33.40(8080) hit-cnt 1 first hit [0x3c8b88c1, 0xbee595c3]
+Jun 21 2022 11:47:08: %ASA-6-302015: Built inbound UDP connection 7 for outside:81.2.69.142/3424 (81.2.69.142/3424)(LOCAL\alice, 123) to inside:89.160.20.112/9803 (89.160.20.112/9803) (bob)
+Jun 21 2022 11:47:08: %ASA-6-302015: Built inbound UDP connection 7 for outside:81.2.69.142/3424 (81.2.69.142/3424)(LOCAL\alice) to inside:89.160.20.112/9803 (89.160.20.112/9803) (bob)
+Jun 21 2022 11:47:09: %ASA-6-302015: Built inbound UDP connection 7 for outside:81.2.69.142/3424 (81.2.69.142/3424)(LOCAL\alice, 123) to inside:89.160.20.112/9803 (89.160.20.112/9803)(LOCAL\dave, 246) (bob)

x-pack/filebeat/module/cisco/asa/test/asa-fix.log-expected.json

@@ -566,5 +566,240 @@
             "forwarded"
         ],
         "user.name": "joe"
+    },
+    {
+        "cisco.asa.connection_id": "7",
+        "cisco.asa.destination_interface": "inside",
+        "cisco.asa.mapped_destination_ip": "89.160.20.112",
+        "cisco.asa.mapped_destination_port": 9803,
+        "cisco.asa.mapped_source_ip": "81.2.69.142",
+        "cisco.asa.mapped_source_port": 3424,
+        "cisco.asa.message_id": "302015",
+        "cisco.asa.source_interface": "outside",
+        "cisco.asa.source_user_security_group_tag": 123,
+        "cisco.asa.source_username": "LOCAL\\alice",
+        "cisco.asa.termination_user": "bob",
+        "destination.address": "89.160.20.112",
+        "destination.as.number": 29518,
+        "destination.as.organization.name": "Bredband2 AB",
+        "destination.geo.city_name": "Link\u00f6ping",
+        "destination.geo.continent_name": "Europe",
+        "destination.geo.country_iso_code": "SE",
+        "destination.geo.country_name": "Sweden",
+        "destination.geo.location.lat": 58.4167,
+        "destination.geo.location.lon": 15.6167,
+        "destination.geo.region_iso_code": "SE-E",
+        "destination.geo.region_name": "\u00d6sterg\u00f6tland County",
+        "destination.ip": "89.160.20.112",
+        "destination.port": 9803,
+        "event.action": "firewall-rule",
+        "event.category": [
+            "network"
+        ],
+        "event.code": 302015,
+        "event.dataset": "cisco.asa",
+        "event.kind": "event",
+        "event.module": "cisco",
+        "event.original": "%ASA-6-302015: Built inbound UDP connection 7 for outside:81.2.69.142/3424 (81.2.69.142/3424)(LOCAL\\alice, 123) to inside:89.160.20.112/9803 (89.160.20.112/9803) (bob)",
+        "event.severity": 6,
+        "event.timezone": "-02:00",
+        "event.type": [
+            "info"
+        ],
+        "fileset.name": "asa",
+        "input.type": "log",
+        "log.level": "informational",
+        "log.offset": 1899,
+        "network.community_id": "1:797FALeb94mYDqvQDgC+6NRdALQ=",
+        "network.direction": "inbound",
+        "network.iana_number": 17,
+        "network.transport": "udp",
+        "observer.egress.interface.name": "inside",
+        "observer.ingress.interface.name": "outside",
+        "observer.product": "asa",
+        "observer.type": "firewall",
+        "observer.vendor": "Cisco",
+        "related.ip": [
+            "81.2.69.142",
+            "89.160.20.112"
+        ],
+        "related.user": [
+            "alice"
+        ],
+        "service.type": "cisco",
+        "source.address": "81.2.69.142",
+        "source.geo.city_name": "London",
+        "source.geo.continent_name": "Europe",
+        "source.geo.country_iso_code": "GB",
+        "source.geo.country_name": "United Kingdom",
+        "source.geo.location.lat": 51.5142,
+        "source.geo.location.lon": -0.0931,
+        "source.geo.region_iso_code": "GB-ENG",
+        "source.geo.region_name": "England",
+        "source.ip": "81.2.69.142",
+        "source.port": 3424,
+        "source.user.name": "alice",
+        "tags": [
+            "cisco-asa",
+            "forwarded"
+        ]
+    },
+    {
+        "cisco.asa.connection_id": "7",
+        "cisco.asa.destination_interface": "inside",
+        "cisco.asa.mapped_destination_ip": "89.160.20.112",
+        "cisco.asa.mapped_destination_port": 9803,
+        "cisco.asa.mapped_source_ip": "81.2.69.142",
+        "cisco.asa.mapped_source_port": 3424,
+        "cisco.asa.message_id": "302015",
+        "cisco.asa.source_interface": "outside",
+        "cisco.asa.source_username": "LOCAL\\alice",
+        "cisco.asa.termination_user": "bob",
+        "destination.address": "89.160.20.112",
+        "destination.as.number": 29518,
+        "destination.as.organization.name": "Bredband2 AB",
+        "destination.geo.city_name": "Link\u00f6ping",
+        "destination.geo.continent_name": "Europe",
+        "destination.geo.country_iso_code": "SE",
+        "destination.geo.country_name": "Sweden",
+        "destination.geo.location.lat": 58.4167,
+        "destination.geo.location.lon": 15.6167,
+        "destination.geo.region_iso_code": "SE-E",
+        "destination.geo.region_name": "\u00d6sterg\u00f6tland County",
+        "destination.ip": "89.160.20.112",
+        "destination.port": 9803,
+        "event.action": "firewall-rule",
+        "event.category": [
+            "network"
+        ],
+        "event.code": 302015,
+        "event.dataset": "cisco.asa",
+        "event.kind": "event",
+        "event.module": "cisco",
+        "event.original": "%ASA-6-302015: Built inbound UDP connection 7 for outside:81.2.69.142/3424 (81.2.69.142/3424)(LOCAL\\alice) to inside:89.160.20.112/9803 (89.160.20.112/9803) (bob)",
+        "event.severity": 6,
+        "event.timezone": "-02:00",
+        "event.type": [
+            "info"
+        ],
+        "fileset.name": "asa",
+        "input.type": "log",
+        "log.level": "informational",
+        "log.offset": 2089,
+        "network.community_id": "1:797FALeb94mYDqvQDgC+6NRdALQ=",
+        "network.direction": "inbound",
+        "network.iana_number": 17,
+        "network.transport": "udp",
+        "observer.egress.interface.name": "inside",
+        "observer.ingress.interface.name": "outside",
+        "observer.product": "asa",
+        "observer.type": "firewall",
+        "observer.vendor": "Cisco",
+        "related.ip": [
+            "81.2.69.142",
+            "89.160.20.112"
+        ],
+        "related.user": [
+            "alice"
+        ],
+        "service.type": "cisco",
+        "source.address": "81.2.69.142",
+        "source.geo.city_name": "London",
+        "source.geo.continent_name": "Europe",
+        "source.geo.country_iso_code": "GB",
+        "source.geo.country_name": "United Kingdom",
+        "source.geo.location.lat": 51.5142,
+        "source.geo.location.lon": -0.0931,
+        "source.geo.region_iso_code": "GB-ENG",
+        "source.geo.region_name": "England",
+        "source.ip": "81.2.69.142",
+        "source.port": 3424,
+        "source.user.name": "alice",
+        "tags": [
+            "cisco-asa",
+            "forwarded"
+        ]
+    },
+    {
+        "cisco.asa.connection_id": "7",
+        "cisco.asa.destination_interface": "inside",
+        "cisco.asa.destination_user_security_group_tag": 246,
+        "cisco.asa.destination_username": "LOCAL\\dave",
+        "cisco.asa.mapped_destination_ip": "89.160.20.112",
+        "cisco.asa.mapped_destination_port": 9803,
+        "cisco.asa.mapped_source_ip": "81.2.69.142",
+        "cisco.asa.mapped_source_port": 3424,
+        "cisco.asa.message_id": "302015",
+        "cisco.asa.source_interface": "outside",
+        "cisco.asa.source_user_security_group_tag": 123,
+        "cisco.asa.source_username": "LOCAL\\alice",
+        "cisco.asa.termination_user": "bob",
+        "destination.address": "89.160.20.112",
+        "destination.as.number": 29518,
+        "destination.as.organization.name": "Bredband2 AB",
+        "destination.geo.city_name": "Link\u00f6ping",
+        "destination.geo.continent_name": "Europe",
+        "destination.geo.country_iso_code": "SE",
+        "destination.geo.country_name": "Sweden",
+        "destination.geo.location.lat": 58.4167,
+        "destination.geo.location.lon": 15.6167,
+        "destination.geo.region_iso_code": "SE-E",
+        "destination.geo.region_name": "\u00d6sterg\u00f6tland County",
+        "destination.ip": "89.160.20.112",
+        "destination.port": 9803,
+        "destination.user.name": "dave",
+        "event.action": "firewall-rule",
+        "event.category": [
+            "network"
+        ],
+        "event.code": 302015,
+        "event.dataset": "cisco.asa",
+        "event.kind": "event",
+        "event.module": "cisco",
+        "event.original": "%ASA-6-302015: Built inbound UDP connection 7 for outside:81.2.69.142/3424 (81.2.69.142/3424)(LOCAL\\alice, 123) to inside:89.160.20.112/9803 (89.160.20.112/9803)(LOCAL\\dave, 246) (bob)",
+        "event.severity": 6,
+        "event.timezone": "-02:00",
+        "event.type": [
+            "info"
+        ],
+        "fileset.name": "asa",
+        "input.type": "log",
+        "log.level": "informational",
+        "log.offset": 2274,
+        "network.community_id": "1:797FALeb94mYDqvQDgC+6NRdALQ=",
+        "network.direction": "inbound",
+        "network.iana_number": 17,
+        "network.transport": "udp",
+        "observer.egress.interface.name": "inside",
+        "observer.ingress.interface.name": "outside",
+        "observer.product": "asa",
+        "observer.type": "firewall",
+        "observer.vendor": "Cisco",
+        "related.ip": [
+            "81.2.69.142",
+            "89.160.20.112"
+        ],
+        "related.user": [
+            "alice",
+            "dave"
+        ],
+        "service.type": "cisco",
+        "source.address": "81.2.69.142",
+        "source.geo.city_name": "London",
+        "source.geo.continent_name": "Europe",
+        "source.geo.country_iso_code": "GB",
+        "source.geo.country_name": "United Kingdom",
+        "source.geo.location.lat": 51.5142,
+        "source.geo.location.lon": -0.0931,
+        "source.geo.region_iso_code": "GB-ENG",
+        "source.geo.region_name": "England",
+        "source.ip": "81.2.69.142",
+        "source.port": 3424,
+        "source.user.name": "alice",
+        "tags": [
+            "cisco-asa",
+            "forwarded"
+        ],
+        "user.name": "dave"
     }
 ]

x-pack/filebeat/module/cisco/asa/test/sample.log-expected.json

@@ -3933,7 +3933,7 @@
             "89.160.20.156"
         ],
         "related.user": [
-            "user@domain.tld"
+            "user"
         ],
         "service.type": "cisco",
         "source.address": "1.128.3.4",
@@ -3944,7 +3944,7 @@
         "source.nat.port": "34534",
         "source.port": 12312,
         "source.user.domain": "domain.tld",
-        "source.user.name": "user@domain.tld",
+        "source.user.name": "user",
         "tags": [
             "cisco-asa",
             "forwarded"
@@ -4028,7 +4028,7 @@
         "destination.as.organization.name": "Telstra Pty Ltd",
         "destination.ip": "1.128.3.4",
         "destination.user.domain": "domain.tld",
-        "destination.user.name": "user@domain.tld",
+        "destination.user.name": "user",
         "event.action": "flow-expiration",
         "event.category": [
             "network"
@@ -4062,7 +4062,7 @@
             "89.160.20.156"
         ],
         "related.user": [
-            "user@domain.tld"
+            "user"
         ],
         "service.type": "cisco",
         "source.address": "89.160.20.156",
@@ -4078,12 +4078,12 @@
         "source.geo.region_name": "\u00d6sterg\u00f6tland County",
         "source.ip": "89.160.20.156",
         "source.user.domain": "domain.tld",
-        "source.user.name": "user@domain.tld",
+        "source.user.name": "user",
         "tags": [
             "cisco-asa",
             "forwarded"
         ],
-        "user.name": "user@domain.tld"
+        "user.name": "user"
     },
     {
         "@timestamp": "2021-01-13T19:12:37.000-02:00",