Snippets

Evgeniy Sokolov ELK Cisco-ASA v 1.0.0

Created by Evgeniy Sokolov last modified
04-cisco.conf
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# 04-cisco.conf logstash config. Place into /etc/logstash/config.d/
# ESGuardian: esguardian@outlook.com v 1.0.0
# index cisco-asa-*

input {
        udp {
                port => 10514
                tags => ["cisco-asa"]
        }
}

filter {
    if "cisco-asa" in [tags] {
        grok {
            patterns_dir => ["/etc/logstash/patterns"]
            match => [
                    "message", "%{ESGCISCOFWUNKNOWN}"
            ]
           
        }
        grok {
            patterns_dir => ["/etc/logstash/patterns"]
            match => [
                    "log_msg", "%{ESGCISCOFW106001}",
                    "log_msg", "%{ESGCISCOFW106006_106007_106010}",
                    "log_msg", "%{ESGCISCOFW106014}",
                    "log_msg", "%{ESGCISCOFW106015}",
                    "log_msg", "%{ESGCISCOFW106021}",
                    "log_msg", "%{ESGCISCOFW106023}",
                    "log_msg", "%{ESGCISCOFW106100}",
                    "log_msg", "%{ESGCISCOFW110002}",
                    "log_msg", "%{ESGCISCOFW302010}",
                    "log_msg", "%{ESGCISCOFW302013_302014_302015_302016}",
                    "log_msg", "%{ESGCISCOFW302020_302021}",
                    "log_msg", "%{ESGCISCOFW305011}",
                    "log_msg", "%{ESGCISCOFW313001_313004_313008}",
                    "log_msg", "%{ESGCISCOFW402117}",
                    "log_msg", "%{ESGCISCOFW402119}",
                    "log_msg", "%{ESGCISCOFW419001}",
                    "log_msg", "%{ESGCISCOFW419002}",
                    "log_msg", "%{ESGCISCOFW500004}",
                    "log_msg", "%{ESGCISCOFW602303_602304}",
                    "log_msg", "%{ESGCISCOFW710001_710002_710003_710005_710006}",
                    "log_msg", "%{ESGCISCOFW713172}",
                    "log_msg", "%{ESGCISCOFW722051}",
                    "log_msg", "%{ESGCISCOFW722037}",
                    "log_msg", "%{ESGCISCOFW113019}",
                    "log_msg", "%{ESGCISCOFW733100}"
            ]
        
        
        }
        

        # Parse the syslog severity and facility
        syslog_pri { }
        geoip {
          source => "src_ip"
          target => "geoip"
          database => "/etc/logstash/GeoLiteCity.dat"          
        }
        mutate {
            remove_field => [ "message" ]
            gsub => ["event-code","4-106023","Reject"]
            gsub => ["event-code","4-419002","Duplicate TCP SYN"]
            gsub => ["event-code","3-710003","Reject"]
            gsub => ["event-code","2-106001","Reject"]
            gsub => ["event-code","4-313005","ICMP Reject"]
            gsub => ["event-code","3-313001","ICMP Reject"]
            gsub => ["event-code","3-210007","LU allocate xlate failed"]
            gsub => ["event-code","2-106017","Land Atack"]
            gsub => ["event-code","4-722051","Remconn address assigned"]
            gsub => ["event-code","4-113019","Remconn session disconnected"]
            gsub => ["event-code","4-722037","Remconn closing connection"]
            gsub => ["event-code","4-722041","Remconn IPv6 not available"]
            gsub => ["event-code","3-713194","IKE delete"]
            gsub => ["event-code","4-405001","ARP collision"]
        }


        # Do a DNS lookup for the sending host
        # Otherwise host field will contain an
        # IP address instead of a hostname
#        dns {
#            reverse => [ "host" ]
#            action => "replace"
#          }

    }
}

output {
  if "cisco-asa" in [tags] {
    #stdout { codec => rubydebug }
    elasticsearch {        
         hosts => ["127.0.0.1:9200"]
         index => "cisco-asa-%{+YYYY.MM.dd}"
         document_type => "cisco-asa"
         template => "/etc/logstash/elastic-cisco-asa-template.json"
         template_name => "cisco-asa"
         template_overwrite => true
    }
  }
}
Cisco-ASA
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# Cisco-ASA grok patterns. Place in to /etc/logstash/patterns/
# ESGuardian: esguardian@outlook.com v 1.0.0

# ASA unknown
ESGCISCOFWUNKNOWN ASA-%{DATA:event-code}: %{GREEDYDATA:log_msg}
# ASA-1-104001
ESGCISCOFW104001 \((?:Primary|Secondary)\) Switching to ACTIVE - %{GREEDYDATA:switch_reason}
# ASA-1-104002
ESGCISCOFW104002 \((?:Primary|Secondary)\) Switching to STANDBY - %{GREEDYDATA:switch_reason}
# ASA-1-104003
ESGCISCOFW104003 \((?:Primary|Secondary)\) Switching to FAILED\.
# ASA-1-104004
ESGCISCOFW104004 \((?:Primary|Secondary)\) Switching to OK\.
# ASA-1-105003
ESGCISCOFW105003 \((?:Primary|Secondary)\) Monitoring on [Ii]nterface %{GREEDYDATA:interface_name} waiting
# ASA-1-105004
ESGCISCOFW105004 \((?:Primary|Secondary)\) Monitoring on [Ii]nterface %{GREEDYDATA:interface_name} normal
# ASA-1-105005
ESGCISCOFW105005 \((?:Primary|Secondary)\) Lost Failover communications with mate on [Ii]nterface %{GREEDYDATA:interface_name}
# ASA-1-105008
ESGCISCOFW105008 \((?:Primary|Secondary)\) Testing [Ii]nterface %{GREEDYDATA:interface_name}
# ASA-1-105009
ESGCISCOFW105009 \((?:Primary|Secondary)\) Testing on [Ii]nterface %{GREEDYDATA:interface_name} (?:Passed|Failed)
# ASA-2-106001
ESGCISCOFW106001 %{CISCO_DIRECTION:direction} %{WORD:protocol} connection %{CISCO_ACTION:action} from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port} flags %{GREEDYDATA:tcp_flags} on interface %{GREEDYDATA:interface}
# ASA-2-106006, ASA-2-106007, ASA-2-106010
ESGCISCOFW106006_106007_106010 %{CISCO_ACTION:action} %{CISCO_DIRECTION:direction} %{WORD:protocol} (?:from|src) %{IP:src_ip}/%{INT:src_port}(\(%{DATA:src_fwuser}\))? (?:to|dst) %{IP:dst_ip}/%{INT:dst_port}(\(%{DATA:dst_fwuser}\))? (?:on interface %{DATA:interface}|due to %{CISCO_REASON:reason})
# ASA-3-106014
ESGCISCOFW106014 %{CISCO_ACTION:action} %{CISCO_DIRECTION:direction} %{WORD:protocol} src %{DATA:src_interface}:%{IP:src_ip}(\(%{DATA:src_fwuser}\))? dst %{DATA:dst_interface}:%{IP:dst_ip}(\(%{DATA:dst_fwuser}\))? \(type %{INT:icmp_type}, code %{INT:icmp_code}\)
# ASA-6-106015
ESGCISCOFW106015 %{CISCO_ACTION:action} %{WORD:protocol} \(%{DATA:policy_id}\) from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port} flags %{DATA:tcp_flags}  on interface %{GREEDYDATA:interface}
# ASA-1-106021
ESGCISCOFW106021 %{CISCO_ACTION:action} %{WORD:protocol} reverse path check from %{IP:src_ip} to %{IP:dst_ip} on interface %{GREEDYDATA:interface}
# ASA-4-106023
ESGCISCOFW106023 %{CISCO_ACTION:action}( protocol)? %{WORD:protocol} src %{DATA:src_interface}:%{DATA:src_ip}(/%{INT:src_port})?(\(%{DATA:src_fwuser}\))? dst %{DATA:dst_interface}:%{DATA:dst_ip}(/%{INT:dst_port})?(\(%{DATA:dst_fwuser}\))?( \(type %{INT:icmp_type}, code %{INT:icmp_code}\))? by access-group "?%{DATA:policy_id}"? \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
# ASA-4-106100, ASA-4-106102, ASA-4-106103
ESGCISCOFW106100_2_3 access-list %{NOTSPACE:policy_id} %{CISCO_ACTION:action} %{WORD:protocol} for user '%{DATA:src_fwuser}' %{DATA:src_interface}/%{IP:src_ip}\(%{INT:src_port}\) -> %{DATA:dst_interface}/%{IP:dst_ip}\(%{INT:dst_port}\) hit-cnt %{INT:hit_count} %{CISCO_INTERVAL:interval} \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
# ASA-5-106100
ESGCISCOFW106100 access-list %{NOTSPACE:policy_id} %{CISCO_ACTION:action} %{WORD:protocol} %{DATA:src_interface}/%{IP:src_ip}\(%{INT:src_port}\)(\(%{DATA:src_fwuser}\))? -> %{DATA:dst_interface}/%{IP:dst_ip}\(%{INT:dst_port}\)(\(%{DATA:src_fwuser}\))? hit-cnt %{INT:hit_count} %{CISCO_INTERVAL:interval} \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
# ASA-6-110002
ESGCISCOFW110002 %{CISCO_REASON:reason} for %{WORD:protocol} from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port}
# ASA-6-302010
ESGCISCOFW302010 %{INT:connection_count} in use, %{INT:connection_count_max} most used
# ASA-6-302013, ASA-6-302014, ASA-6-302015, ASA-6-302016
ESGCISCOFW302013_302014_302015_302016 %{CISCO_ACTION:action}(?: %{CISCO_DIRECTION:direction})? %{WORD:protocol} connection %{INT:connection_id} for %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port}( \(%{IP:src_mapped_ip}/%{INT:src_mapped_port}\))?(\(%{DATA:src_fwuser}\))? to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}( \(%{IP:dst_mapped_ip}/%{INT:dst_mapped_port}\))?(\(%{DATA:dst_fwuser}\))?( duration %{TIME:duration} bytes %{INT:bytes})?(?: %{CISCO_REASON:reason})?( \(%{DATA:user}\))?
# ASA-6-302020, ASA-6-302021
ESGCISCOFW302020_302021 %{CISCO_ACTION:action}(?: %{CISCO_DIRECTION:direction})? %{WORD:protocol} connection for faddr %{IP:dst_ip}/%{INT:icmp_seq_num}(?:\(%{DATA:fwuser}\))? gaddr %{IP:src_xlated_ip}/%{INT:icmp_code_xlated} laddr %{IP:src_ip}/%{INT:icmp_code}( \(%{DATA:user}\))?
# ASA-6-305011
ESGCISCOFW305011 %{CISCO_ACTION:action} %{CISCO_XLATE_TYPE:xlate_type} %{WORD:protocol} translation from %{DATA:src_interface}:%{IP:src_ip}(/%{INT:src_port})?(\(%{DATA:src_fwuser}\))? to %{DATA:src_xlated_interface}:%{IP:src_xlated_ip}/%{DATA:src_xlated_port}
# ASA-3-313001, ASA-3-313004, ASA-3-313008
ESGCISCOFW313001_313004_313008 %{CISCO_ACTION:action} %{WORD:protocol} type=%{INT:icmp_type}, code=%{INT:icmp_code} from %{IP:src_ip} on interface %{DATA:interface}( to %{IP:dst_ip})?
# ASA-4-313005
ESGCISCOFW313005 %{CISCO_REASON:reason} for %{WORD:protocol} error message: %{WORD:err_protocol} src %{DATA:err_src_interface}:%{IP:err_src_ip}(\(%{DATA:err_src_fwuser}\))? dst %{DATA:err_dst_interface}:%{IP:err_dst_ip}(\(%{DATA:err_dst_fwuser}\))? \(type %{INT:err_icmp_type}, code %{INT:err_icmp_code}\) on %{DATA:interface} interface\.  Original IP payload: %{WORD:protocol} src %{IP:orig_src_ip}/%{INT:orig_src_port}(\(%{DATA:orig_src_fwuser}\))? dst %{IP:orig_dst_ip}/%{INT:orig_dst_port}(\(%{DATA:orig_dst_fwuser}\))?
# ASA-5-321001
ESGCISCOFW321001 Resource '%{WORD:resource_name}' limit of %{POSINT:resource_limit} reached for system
# ASA-4-402117
ESGCISCOFW402117 %{WORD:protocol}: Received a non-IPSec packet \(protocol= %{WORD:orig_protocol}\) from %{IP:src_ip} to %{IP:dst_ip}
# ASA-4-402119
ESGCISCOFW402119 %{WORD:protocol}: Received an %{WORD:orig_protocol} packet \(SPI= %{DATA:spi}, sequence number= %{DATA:seq_num}\) from %{IP:src_ip} \(user= %{DATA:user}\) to %{IP:dst_ip} that failed anti-replay checking
# ASA-4-419001
ESGCISCOFW419001 %{CISCO_ACTION:action} %{WORD:protocol} packet from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}, reason: %{GREEDYDATA:reason}
# ASA-4-419002
ESGCISCOFW419002 %{CISCO_REASON:reason} from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port} with different initial sequence number
# ASA-4-500004
ESGCISCOFW500004 %{CISCO_REASON:reason} for protocol=%{WORD:protocol}, from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port}
# ASA-6-602303, ASA-6-602304
ESGCISCOFW602303_602304 %{WORD:protocol}: An %{CISCO_DIRECTION:direction} %{GREEDYDATA:tunnel_type} SA \(SPI= %{DATA:spi}\) between %{IP:src_ip} and %{IP:dst_ip} \(user= %{DATA:user}\) has been %{CISCO_ACTION:action}
# ASA-7-710001, ASA-7-710002, ASA-7-710003, ASA-7-710005, ASA-7-710006
ESGCISCOFW710001_710002_710003_710005_710006 %{WORD:protocol} (?:request|access) %{CISCO_ACTION:action} from %{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}
# ASA-6-713172
ESGCISCOFW713172 Group = %{GREEDYDATA:group}, IP = %{IP:src_ip}, Automatic NAT Detection Status:\s+Remote end\s*%{DATA:is_remote_natted}\s*behind a NAT device\s+This\s+end\s*%{DATA:is_local_natted}\s*behind a NAT device
# ASA-4-733100
ESGCISCOFW733100 \[\s*%{DATA:drop_type}\s*\] drop %{DATA:drop_rate_id} exceeded. Current burst rate is %{INT:drop_rate_current_burst} per second, max configured rate is %{INT:drop_rate_max_burst}; Current average rate is %{INT:drop_rate_current_avg} per second, max configured rate is %{INT:drop_rate_max_avg}; Cumulative total count is %{INT:drop_total_count}

# ASA-4-722051
ESGCISCOFW722051 Group <%{DATA:group}> User <%{DATA:user}> IP <%{IP:src_ip}> IPv4 Address <%{IP:assigned_ip}> IPv6 address <%{DATA:assigned_ipv6}> assigned to session
# ASA-4-722037 
ESGCISCOFW722037 Group <%{DATA:group}> User <%{DATA:user}> IP <%{IP:src_ip}> SVC closing connection: %{GREEDYDATA:reason}\.
# ASA-4-113019 
ESGCISCOFW113019 Group = %{DATA:group}, Username = %{DATA:user}, IP = %{IP:src_ip}, %{GREEDYDATA:action}\. Session Type: %{WORD:session_type}, Duration: %{DATA:duration}, Bytes xmt: %{INT:bytes_xmt}, Bytes rcv: %{INT:bytes_rcv}, Reason: %{GREEDYDATA:reason}
elastic-cisco-asa-template.json
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# json mapping template. Place into /etc/logstash/
# ESGuardian: esguardian@outlook.com v 1.0.0
{
  "order": 0,
  "template": "cisco-asa*",
  "settings": {
    "index.refresh_interval": "5s"
  },
  "mappings": {
    "cisco-asa": {
      "dynamic_templates": [
        {
          "notanalyzed": {
            "match": "*",
            "match_mapping_type": "string",
            "mapping": {
              "type": "string",
              "index": "not_analyzed",
              "doc_values": "true"
            }
          }
        }
      ],
      "properties": {
        "@timestamp": {
          "type": "date",
          "format": "dateOptionalTime",
          "index": "not_analyzed"
        },
        "@version": {
          "type": "string"
        },
        "action": {
          "type": "string",
          "index": "not_analyzed"
        },
        "assigned_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "assigned_ipv6": {
          "type": "string",
          "index": "not_analyzed"
        },
        "cisco-type": {
          "type": "string",
          "index": "not_analyzed"
        },
        "direction": {
          "type": "string",
          "index": "not_analyzed"
        },
        "dst_interface": {
          "type": "string",
          "index": "not_analyzed"
        },
        "dst_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "dst_port": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_dst_interface": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_dst_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_icmp_code": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_icmp_type": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_protocol": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_src_fwuser": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_src_interface": {
          "type": "string",
          "index": "not_analyzed"
        },
        "err_src_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "event-code": {
          "type": "string",
          "index": "not_analyzed"
        },
        "group": {
          "type": "string",
          "index": "not_analyzed"
        },
        "hashcode1": {
          "type": "string",
          "index": "not_analyzed"
        },
        "hashcode2": {
          "type": "string",
          "index": "not_analyzed"
        },
        "host": {
          "type": "string",
          "index": "not_analyzed"
        },
        "icmp_code": {
          "type": "string",
          "index": "not_analyzed"
        },
        "icmp_type": {
          "type": "string",
          "index": "not_analyzed"
        },
        "interface": {
          "type": "string",
          "index": "not_analyzed"
        },
        "log_msg": {
          "type": "string"
        },
        "orig_dst_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "orig_dst_port ": {
          "type": "string",
          "index": "not_analyzed"
        },
        "orig_src_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "orig_src_port": {
          "type": "string",
          "index": "not_analyzed"
        },
        "policy_id": {
          "type": "string",
          "index": "not_analyzed"
        },
        "protocol": {
          "type": "string",
          "index": "not_analyzed"
        },
        "reason": {
          "type": "string",
          "index": "not_analyzed"
        },
        "src_interface": {
          "type": "string",
          "index": "not_analyzed"
        },
        "src_ip": {
          "type": "string",
          "index": "not_analyzed"
        },
        "src_port": {
          "type": "string",
          "index": "not_analyzed"
        },
        "syslog_facility": {
          "type": "string",
          "index": "not_analyzed"
        },
        "syslog_facility_code": {
          "type": "string",
          "index": "not_analyzed"
        },
        "syslog_severity": {
          "type": "string",
          "index": "not_analyzed"
        },
        "syslog_severity_code": {
          "type": "string",
          "index": "not_analyzed"
        },
        "tags": {
          "type": "string"
        },
        "tcp_flags": {
          "type": "string",
          "index": "not_analyzed"
        },
        "geoip": {
          "type": "object",
          "properties": {
            "area_code": {
              "type": "long"
            },
            "city_name": {
              "type": "string",
              "index": "not_analyzed",
              "doc_values": "true"
            },
            "continent_code": {
              "type": "string"
            },
            "country_code2": {
              "type": "string"
            },
            "country_code3": {
              "type": "string"
            },
            "country_name": {
              "type": "string",
              "index": "not_analyzed",
              "doc_values": "true"
            },
            "dma_code": {
              "type": "long"
            },
            "ip": {
              "type": "string",
              "index": "not_analyzed",
              "doc_values": "true"
            },
            "latitude": {
              "type": "double"
            },
            "longitude": {
              "type": "double"
            },
            "location": {
              "type": "geo_point"
            },
            "postal_code": {
              "type": "string"
            },
            "real_region_name": {
              "type": "string",
              "index": "not_analyzed",
              "doc_values": "true"
            },
            "region_name": {
              "type": "string",
              "index": "not_analyzed",
              "doc_values": "true"
            },
            "timezone": {
              "type": "string"
            }
          }
        }
        
      }
    }
  }
}

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