Exported fields

Beat fields

Contains common beat fields available in all event types.

agent.hostname: Hostname of the agent.

type: keyword
beat.timezone: type: alias

alias to: event.timezone
fields: Contains user configurable fields.

type: object
beat.name: type: alias

alias to: host.name
beat.hostname: type: alias

alias to: agent.hostname
timeseries.instance: Time series instance id

type: keyword

Cloud provider metadata fields

Metadata from cloud providers added by the add_cloud_metadata processor.

cloud.project.id: Name of the project in Google Cloud.

example: project-x
cloud.image.id: Image ID for the cloud instance.

example: ami-abcd1234
meta.cloud.provider: type: alias

alias to: cloud.provider
meta.cloud.instance_id: type: alias

alias to: cloud.instance.id
meta.cloud.instance_name: type: alias

alias to: cloud.instance.name
meta.cloud.machine_type: type: alias

alias to: cloud.machine.type
meta.cloud.availability_zone: type: alias

alias to: cloud.availability_zone
meta.cloud.project_id: type: alias

alias to: cloud.project.id
meta.cloud.region: type: alias

alias to: cloud.region

Docker fields

Docker stats collected from Docker.

docker.container.id: type: alias

alias to: container.id
docker.container.image: type: alias

alias to: container.image.name
docker.container.name: type: alias

alias to: container.name
docker.container.labels: Image labels.

type: object

ECS fields

ECS Fields.

@timestamp: Date/time when the event originated. This is the date/time extracted from the event, typically representing when the event was generated by the source. If the event source has no original timestamp, this value is typically populated by the first time the event was received by the pipeline. Required field for all events.

type: date

example: 2016-05-23T08:05:34.853Z

required: True
labels: Custom key/value pairs. Can be used to add meta information to events. Should not contain nested objects. All values are stored as keyword. Example: docker and k8s labels.

type: object

example: {'application': 'foo-bar', 'env': 'production'}
message: For log events the message field contains the log message, optimized for viewing in a log viewer. For structured logs without an original message field, other fields can be concatenated to form a human-readable summary of the event. If multiple messages exist, they can be combined into one message.

type: text

example: Hello World
tags: List of keywords used to tag each event.

type: keyword

example: ["production", "env2"]

agent

The agent fields contain the data about the software entity, if any, that collects, detects, or observes events on a host, or takes measurements on a host. Examples include Beats. Agents may also run on observers. ECS agent.* fields shall be populated with details of the agent running on the host or observer where the event happened or the measurement was taken.

agent.ephemeral_id: Ephemeral identifier of this agent (if one exists). This id normally changes across restarts, but agent.id does not.

type: keyword

example: 8a4f500f
agent.id: Unique identifier of this agent (if one exists). Example: For Beats this would be beat.id.

type: keyword

example: 8a4f500d
agent.name: Custom name of the agent. This is a name that can be given to an agent. This can be helpful if for example two Filebeat instances are running on the same host but a human readable separation is needed on which Filebeat instance data is coming from. If no name is given, the name is often left empty.

type: keyword

example: foo
agent.type: Type of the agent. The agent type stays always the same and should be given by the agent used. In case of Filebeat the agent would always be Filebeat also if two Filebeat instances are run on the same machine.

type: keyword

example: filebeat
agent.version: Version of the agent.

type: keyword

example: 6.0.0-rc2

as

An autonomous system (AS) is a collection of connected Internet Protocol (IP) routing prefixes under the control of one or more network operators on behalf of a single administrative entity or domain that presents a common, clearly defined routing policy to the internet.

as.number: Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.

type: long

example: 15169
as.organization.name: Organization name.

type: keyword

example: Google LLC

client

A client is defined as the initiator of a network connection for events regarding sessions, connections, or bidirectional flow records. For TCP events, the client is the initiator of the TCP connection that sends the SYN packet(s). For other protocols, the client is generally the initiator or requestor in the network transaction. Some systems use the term "originator" to refer the client in TCP connections. The client fields describe details about the system acting as the client in the network event. Client fields are usually populated in conjunction with server fields. Client fields are generally not populated for packet-level events. Client / server representations can add semantic context to an exchange, which is helpful to visualize the data in certain situations. If your context falls in that category, you should still ensure that source and destination are filled appropriately.

client.address: Some event client addresses are defined ambiguously. The event will sometimes list an IP, a domain or a unix socket. You should always store the raw address in the .address field. Then it should be duplicated to .ip or .domain, depending on which one it is.

type: keyword
client.as.number: Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.

type: long

example: 15169
client.as.organization.name: Organization name.

type: keyword

example: Google LLC
client.bytes: Bytes sent from the client to the server.

type: long

example: 184

format: bytes
client.domain: Client domain.

type: keyword
client.geo.city_name: City name.

type: keyword

example: Montreal
client.geo.continent_name: Name of the continent.

type: keyword

example: North America
client.geo.country_iso_code: Country ISO code.

type: keyword

example: CA
client.geo.country_name: Country name.

type: keyword

example: Canada
client.geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
client.geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
client.geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
client.geo.region_name: Region name.

type: keyword

example: Quebec
client.ip: IP address of the client. Can be one or multiple IPv4 or IPv6 addresses.

type: ip
client.mac: MAC address of the client.

type: keyword
client.nat.ip: Translated IP of source based NAT sessions (e.g. internal client to internet). Typically connections traversing load balancers, firewalls, or routers.

type: ip
client.nat.port: Translated port of source based NAT sessions (e.g. internal client to internet). Typically connections traversing load balancers, firewalls, or routers.

type: long

format: string
client.packets: Packets sent from the client to the server.

type: long

example: 12
client.port: Port of the client.

type: long

format: string
client.registered_domain: The highest registered client domain, stripped of the subdomain. For example, the registered domain for "foo.google.com" is "google.com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last two labels will not work well for TLDs such as "co.uk".

type: keyword

example: google.com
client.top_level_domain: The effective top level domain (eTLD), also known as the domain suffix, is the last part of the domain name. For example, the top level domain for google.com is "com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last label will not work well for effective TLDs such as "co.uk".

type: keyword

example: co.uk
client.user.domain: Name of the directory the user is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
client.user.email: User email address.

type: keyword
client.user.full_name: User’s full name, if available.

type: keyword

example: Albert Einstein
client.user.group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
client.user.group.id: Unique identifier for the group on the system/platform.

type: keyword
client.user.group.name: Name of the group.

type: keyword
client.user.hash: Unique user hash to correlate information for a user in anonymized form. Useful if user.id or user.name contain confidential information and cannot be used.

type: keyword
client.user.id: One or multiple unique identifiers of the user.

type: keyword
client.user.name: Short name or login of the user.

type: keyword

example: albert

cloud

Fields related to the cloud or infrastructure the events are coming from.

cloud.account.id: The cloud account or organization id used to identify different entities in a multi-tenant environment. Examples: AWS account id, Google Cloud ORG Id, or other unique identifier.

type: keyword

example: 666777888999
cloud.availability_zone: Availability zone in which this host is running.

type: keyword

example: us-east-1c
cloud.instance.id: Instance ID of the host machine.

type: keyword

example: i-1234567890abcdef0
cloud.instance.name: Instance name of the host machine.

type: keyword
cloud.machine.type: Machine type of the host machine.

type: keyword

example: t2.medium
cloud.provider: Name of the cloud provider. Example values are aws, azure, gcp, or digitalocean.

type: keyword

example: aws
cloud.region: Region in which this host is running.

type: keyword

example: us-east-1

container

Container fields are used for meta information about the specific container that is the source of information. These fields help correlate data based containers from any runtime.

container.id: Unique container id.

type: keyword
container.image.name: Name of the image the container was built on.

type: keyword
container.image.tag: Container image tag.

type: keyword
container.labels: Image labels.

type: object
container.name: Container name.

type: keyword
container.runtime: Runtime managing this container.

type: keyword

example: docker

destination

Destination fields describe details about the destination of a packet/event. Destination fields are usually populated in conjunction with source fields.

destination.address: Some event destination addresses are defined ambiguously. The event will sometimes list an IP, a domain or a unix socket. You should always store the raw address in the .address field. Then it should be duplicated to .ip or .domain, depending on which one it is.

type: keyword
destination.as.number: Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.

type: long

example: 15169
destination.as.organization.name: Organization name.

type: keyword

example: Google LLC
destination.bytes: Bytes sent from the destination to the source.

type: long

example: 184

format: bytes
destination.domain: Destination domain.

type: keyword
destination.geo.city_name: City name.

type: keyword

example: Montreal
destination.geo.continent_name: Name of the continent.

type: keyword

example: North America
destination.geo.country_iso_code: Country ISO code.

type: keyword

example: CA
destination.geo.country_name: Country name.

type: keyword

example: Canada
destination.geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
destination.geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
destination.geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
destination.geo.region_name: Region name.

type: keyword

example: Quebec
destination.ip: IP address of the destination. Can be one or multiple IPv4 or IPv6 addresses.

type: ip
destination.mac: MAC address of the destination.

type: keyword
destination.nat.ip: Translated ip of destination based NAT sessions (e.g. internet to private DMZ) Typically used with load balancers, firewalls, or routers.

type: ip
destination.nat.port: Port the source session is translated to by NAT Device. Typically used with load balancers, firewalls, or routers.

type: long

format: string
destination.packets: Packets sent from the destination to the source.

type: long

example: 12
destination.port: Port of the destination.

type: long

format: string
destination.registered_domain: The highest registered destination domain, stripped of the subdomain. For example, the registered domain for "foo.google.com" is "google.com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last two labels will not work well for TLDs such as "co.uk".

type: keyword

example: google.com
destination.top_level_domain: The effective top level domain (eTLD), also known as the domain suffix, is the last part of the domain name. For example, the top level domain for google.com is "com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last label will not work well for effective TLDs such as "co.uk".

type: keyword

example: co.uk
destination.user.domain: Name of the directory the user is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
destination.user.email: User email address.

type: keyword
destination.user.full_name: User’s full name, if available.

type: keyword

example: Albert Einstein
destination.user.group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
destination.user.group.id: Unique identifier for the group on the system/platform.

type: keyword
destination.user.group.name: Name of the group.

type: keyword
destination.user.hash: Unique user hash to correlate information for a user in anonymized form. Useful if user.id or user.name contain confidential information and cannot be used.

type: keyword
destination.user.id: One or multiple unique identifiers of the user.

type: keyword
destination.user.name: Short name or login of the user.

type: keyword

example: albert

dns

Fields describing DNS queries and answers. DNS events should either represent a single DNS query prior to getting answers (dns.type:query) or they should represent a full exchange and contain the query details as well as all of the answers that were provided for this query (dns.type:answer).

dns.answers: An array containing an object for each answer section returned by the server. The main keys that should be present in these objects are defined by ECS. Records that have more information may contain more keys than what ECS defines. Not all DNS data sources give all details about DNS answers. At minimum, answer objects must contain the data key. If more information is available, map as much of it to ECS as possible, and add any additional fields to the answer objects as custom fields.

type: object
dns.answers.class: The class of DNS data contained in this resource record.

type: keyword

example: IN
dns.answers.data: The data describing the resource. The meaning of this data depends on the type and class of the resource record.

type: keyword

example: 10.10.10.10
dns.answers.name: The domain name to which this resource record pertains. If a chain of CNAME is being resolved, each answer’s name should be the one that corresponds with the answer’s data. It should not simply be the original question.name repeated.

type: keyword

example: www.google.com
dns.answers.ttl: The time interval in seconds that this resource record may be cached before it should be discarded. Zero values mean that the data should not be cached.

type: long

example: 180
dns.answers.type: The type of data contained in this resource record.

type: keyword

example: CNAME
dns.header_flags: Array of 2 letter DNS header flags. Expected values are: AA, TC, RD, RA, AD, CD, DO.

type: keyword

example: ['RD', 'RA']
dns.id: The DNS packet identifier assigned by the program that generated the query. The identifier is copied to the response.

type: keyword

example: 62111
dns.op_code: The DNS operation code that specifies the kind of query in the message. This value is set by the originator of a query and copied into the response.

type: keyword

example: QUERY
dns.question.class: The class of of records being queried.

type: keyword

example: IN
dns.question.name: The name being queried. If the name field contains non-printable characters (below 32 or above 126), those characters should be represented as escaped base 10 integers (\DDD). Back slashes and quotes should be escaped. Tabs, carriage returns, and line feeds should be converted to \t, \r, and \n respectively.

type: keyword

example: www.google.com
dns.question.registered_domain: The highest registered domain, stripped of the subdomain. For example, the registered domain for "foo.google.com" is "google.com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last two labels will not work well for TLDs such as "co.uk".

type: keyword

example: google.com
dns.question.subdomain: The subdomain is all of the labels under the registered_domain. If the domain has multiple levels of subdomain, such as "sub2.sub1.example.com", the subdomain field should contain "sub2.sub1", with no trailing period.

type: keyword

example: www
dns.question.top_level_domain: The effective top level domain (eTLD), also known as the domain suffix, is the last part of the domain name. For example, the top level domain for google.com is "com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last label will not work well for effective TLDs such as "co.uk".

type: keyword

example: co.uk
dns.question.type: The type of record being queried.

type: keyword

example: AAAA
dns.resolved_ip: Array containing all IPs seen in answers.data. The answers array can be difficult to use, because of the variety of data formats it can contain. Extracting all IP addresses seen in there to dns.resolved_ip makes it possible to index them as IP addresses, and makes them easier to visualize and query for.

type: ip

example: ['10.10.10.10', '10.10.10.11']
dns.response_code: The DNS response code.

type: keyword

example: NOERROR
dns.type: The type of DNS event captured, query or answer. If your source of DNS events only gives you DNS queries, you should only create dns events of type dns.type:query. If your source of DNS events gives you answers as well, you should create one event per query (optionally as soon as the query is seen). And a second event containing all query details as well as an array of answers.

type: keyword

example: answer

ecs

Meta-information specific to ECS.

ecs.version: ECS version this event conforms to. ecs.version is a required field and must exist in all events. When querying across multiple indices — which may conform to slightly different ECS versions — this field lets integrations adjust to the schema version of the events.

type: keyword

example: 1.0.0

required: True

error

These fields can represent errors of any kind. Use them for errors that happen while fetching events or in cases where the event itself contains an error.

error.code: Error code describing the error.

type: keyword
error.id: Unique identifier for the error.

type: keyword
error.message: Error message.

type: text
error.stack_trace: The stack trace of this error in plain text.

type: keyword
error.type: The type of the error, for example the class name of the exception.

type: keyword

example: java.lang.NullPointerException

event

The event fields are used for context information about the log or metric event itself. A log is defined as an event containing details of something that happened. Log events must include the time at which the thing happened. Examples of log events include a process starting on a host, a network packet being sent from a source to a destination, or a network connection between a client and a server being initiated or closed. A metric is defined as an event containing one or more numerical or categorical measurements and the time at which the measurement was taken. Examples of metric events include memory pressure measured on a host, or vulnerabilities measured on a scanned host.

event.action: The action captured by the event. This describes the information in the event. It is more specific than event.category. Examples are group-add, process-started, file-created. The value is normally defined by the implementer.

type: keyword

example: user-password-change
event.category: Event category. This contains high-level information about the contents of the event. It is more generic than event.action, in the sense that typically a category contains multiple actions. Warning: In future versions of ECS, we plan to provide a list of acceptable values for this field, please use with caution.

type: keyword

example: user-management
event.code: Identification code for this event, if one exists. Some event sources use event codes to identify messages unambiguously, regardless of message language or wording adjustments over time. An example of this is the Windows Event ID.

type: keyword

example: 4648
event.created: event.created contains the date/time when the event was first read by an agent, or by your pipeline. This field is distinct from @timestamp in that @timestamp typically contain the time extracted from the original event. In most situations, these two timestamps will be slightly different. The difference can be used to calculate the delay between your source generating an event, and the time when your agent first processed it. This can be used to monitor your agent’s or pipeline’s ability to keep up with your event source. In case the two timestamps are identical, @timestamp should be used.

type: date
event.dataset: Name of the dataset. If an event source publishes more than one type of log or events (e.g. access log, error log), the dataset is used to specify which one the event comes from. It’s recommended but not required to start the dataset name with the module name, followed by a dot, then the dataset name.

type: keyword

example: apache.access
event.duration: Duration of the event in nanoseconds. If event.start and event.end are known this value should be the difference between the end and start time.

type: long

format: duration
event.end: event.end contains the date when the event ended or when the activity was last observed.

type: date
event.hash: Hash (perhaps logstash fingerprint) of raw field to be able to demonstrate log integrity.

type: keyword

example: 123456789012345678901234567890ABCD
event.id: Unique ID to describe the event.

type: keyword

example: 8a4f500d
event.kind: The kind of the event. This gives information about what type of information the event contains, without being specific to the contents of the event. Examples are event, state, alarm. Warning: In future versions of ECS, we plan to provide a list of acceptable values for this field, please use with caution.

type: keyword

example: state
event.module: Name of the module this data is coming from. If your monitoring agent supports the concept of modules or plugins to process events of a given source (e.g. Apache logs), event.module should contain the name of this module.

type: keyword

example: apache
event.original: Raw text message of entire event. Used to demonstrate log integrity. This field is not indexed and doc_values are disabled. It cannot be searched, but it can be retrieved from _source.

type: keyword

example: Sep 19 08:26:10 host CEF:0|Security| threatmanager|1.0|100| worm successfully stopped|10|src=10.0.0.1 dst=2.1.2.2spt=1232
event.outcome: The outcome of the event. If the event describes an action, this fields contains the outcome of that action. Examples outcomes are success and failure. Warning: In future versions of ECS, we plan to provide a list of acceptable values for this field, please use with caution.

type: keyword

example: success
event.provider: Source of the event. Event transports such as Syslog or the Windows Event Log typically mention the source of an event. It can be the name of the software that generated the event (e.g. Sysmon, httpd), or of a subsystem of the operating system (kernel, Microsoft-Windows-Security-Auditing).

type: keyword

example: kernel
event.risk_score: Risk score or priority of the event (e.g. security solutions). Use your system’s original value here.

type: float
event.risk_score_norm: Normalized risk score or priority of the event, on a scale of 0 to 100. This is mainly useful if you use more than one system that assigns risk scores, and you want to see a normalized value across all systems.

type: float
event.sequence: Sequence number of the event. The sequence number is a value published by some event sources, to make the exact ordering of events unambiguous, regarless of the timestamp precision.

type: long

format: string
event.severity: The numeric severity of the event according to your event source. What the different severity values mean can be different between sources and use cases. It’s up to the implementer to make sure severities are consistent across events from the same source. The Syslog severity belongs in log.syslog.severity.code. event.severity is meant to represent the severity according to the event source (e.g. firewall, IDS). If the event source does not publish its own severity, you may optionally copy the log.syslog.severity.code to event.severity.

type: long

example: 7

format: string
event.start: event.start contains the date when the event started or when the activity was first observed.

type: date
event.timezone: This field should be populated when the event’s timestamp does not include timezone information already (e.g. default Syslog timestamps). It’s optional otherwise. Acceptable timezone formats are: a canonical ID (e.g. "Europe/Amsterdam"), abbreviated (e.g. "EST") or an HH:mm differential (e.g. "-05:00").

type: keyword
event.type: Reserved for future usage. Please avoid using this field for user data.

type: keyword

file

A file is defined as a set of information that has been created on, or has existed on a filesystem. File objects can be associated with host events, network events, and/or file events (e.g., those produced by File Integrity Monitoring [FIM] products or services). File fields provide details about the affected file associated with the event or metric.

file.accessed: Last time the file was accessed. Note that not all filesystems keep track of access time.

type: date
file.created: File creation time. Note that not all filesystems store the creation time.

type: date
file.ctime: Last time the file attributes or metadata changed. Note that changes to the file content will update mtime. This implies ctime will be adjusted at the same time, since mtime is an attribute of the file.

type: date
file.device: Device that is the source of the file.

type: keyword

example: sda
file.directory: Directory where the file is located.

type: keyword

example: /home/alice
file.extension: File extension.

type: keyword

example: png
file.gid: Primary group ID (GID) of the file.

type: keyword

example: 1001
file.group: Primary group name of the file.

type: keyword

example: alice
file.hash.md5: MD5 hash.

type: keyword
file.hash.sha1: SHA1 hash.

type: keyword
file.hash.sha256: SHA256 hash.

type: keyword
file.hash.sha512: SHA512 hash.

type: keyword
file.inode: Inode representing the file in the filesystem.

type: keyword

example: 256383
file.mode: Mode of the file in octal representation.

type: keyword

example: 0640
file.mtime: Last time the file content was modified.

type: date
file.name: Name of the file including the extension, without the directory.

type: keyword

example: example.png
file.owner: File owner’s username.

type: keyword

example: alice
file.path: Full path to the file.

type: keyword

example: /home/alice/example.png
file.size: File size in bytes. Only relevant when file.type is "file".

type: long

example: 16384
file.target_path: Target path for symlinks.

type: keyword
file.type: File type (file, dir, or symlink).

type: keyword

example: file
file.uid: The user ID (UID) or security identifier (SID) of the file owner.

type: keyword

example: 1001

geo

Geo fields can carry data about a specific location related to an event. This geolocation information can be derived from techniques such as Geo IP, or be user-supplied.

geo.city_name: City name.

type: keyword

example: Montreal
geo.continent_name: Name of the continent.

type: keyword

example: North America
geo.country_iso_code: Country ISO code.

type: keyword

example: CA
geo.country_name: Country name.

type: keyword

example: Canada
geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
geo.region_name: Region name.

type: keyword

example: Quebec

group

The group fields are meant to represent groups that are relevant to the event.

group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
group.id: Unique identifier for the group on the system/platform.

type: keyword
group.name: Name of the group.

type: keyword

hash

The hash fields represent different hash algorithms and their values. Field names for common hashes (e.g. MD5, SHA1) are predefined. Add fields for other hashes by lowercasing the hash algorithm name and using underscore separators as appropriate (snake case, e.g. sha3_512).

hash.md5: MD5 hash.

type: keyword
hash.sha1: SHA1 hash.

type: keyword
hash.sha256: SHA256 hash.

type: keyword
hash.sha512: SHA512 hash.

type: keyword

host

A host is defined as a general computing instance. ECS host.* fields should be populated with details about the host on which the event happened, or from which the measurement was taken. Host types include hardware, virtual machines, Docker containers, and Kubernetes nodes.

host.architecture: Operating system architecture.

type: keyword

example: x86_64
host.geo.city_name: City name.

type: keyword

example: Montreal
host.geo.continent_name: Name of the continent.

type: keyword

example: North America
host.geo.country_iso_code: Country ISO code.

type: keyword

example: CA
host.geo.country_name: Country name.

type: keyword

example: Canada
host.geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
host.geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
host.geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
host.geo.region_name: Region name.

type: keyword

example: Quebec
host.hostname: Hostname of the host. It normally contains what the hostname command returns on the host machine.

type: keyword
host.id: Unique host id. As hostname is not always unique, use values that are meaningful in your environment. Example: The current usage of beat.name.

type: keyword
host.ip: Host ip address.

type: ip
host.mac: Host mac address.

type: keyword
host.name: Name of the host. It can contain what hostname returns on Unix systems, the fully qualified domain name, or a name specified by the user. The sender decides which value to use.

type: keyword
host.os.family: OS family (such as redhat, debian, freebsd, windows).

type: keyword

example: debian
host.os.full: Operating system name, including the version or code name.

type: keyword

example: Mac OS Mojave
host.os.kernel: Operating system kernel version as a raw string.

type: keyword

example: 4.4.0-112-generic
host.os.name: Operating system name, without the version.

type: keyword

example: Mac OS X
host.os.platform: Operating system platform (such centos, ubuntu, windows).

type: keyword

example: darwin
host.os.version: Operating system version as a raw string.

type: keyword

example: 10.14.1
host.type: Type of host. For Cloud providers this can be the machine type like t2.medium. If vm, this could be the container, for example, or other information meaningful in your environment.

type: keyword
host.uptime: Seconds the host has been up.

type: long

example: 1325
host.user.domain: Name of the directory the user is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
host.user.email: User email address.

type: keyword
host.user.full_name: User’s full name, if available.

type: keyword

example: Albert Einstein
host.user.group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
host.user.group.id: Unique identifier for the group on the system/platform.

type: keyword
host.user.group.name: Name of the group.

type: keyword
host.user.hash: Unique user hash to correlate information for a user in anonymized form. Useful if user.id or user.name contain confidential information and cannot be used.

type: keyword
host.user.id: One or multiple unique identifiers of the user.

type: keyword
host.user.name: Short name or login of the user.

type: keyword

example: albert

http

Fields related to HTTP activity. Use the url field set to store the url of the request.

http.request.body.bytes: Size in bytes of the request body.

type: long

example: 887

format: bytes
http.request.body.content: The full HTTP request body.

type: keyword

example: Hello world
http.request.bytes: Total size in bytes of the request (body and headers).

type: long

example: 1437

format: bytes
http.request.method: HTTP request method. The field value must be normalized to lowercase for querying. See the documentation section "Implementing ECS".

type: keyword

example: get, post, put
http.request.referrer: Referrer for this HTTP request.

type: keyword

example: https://blog.example.com/
http.response.body.bytes: Size in bytes of the response body.

type: long

example: 887

format: bytes
http.response.body.content: The full HTTP response body.

type: keyword

example: Hello world
http.response.bytes: Total size in bytes of the response (body and headers).

type: long

example: 1437

format: bytes
http.response.status_code: HTTP response status code.

type: long

example: 404

format: string
http.version: HTTP version.

type: keyword

example: 1.1

log

Details about the event’s logging mechanism or logging transport. The log.* fields are typically populated with details about the logging mechanism used to create and/or transport the event. For example, syslog details belong under log.syslog.. The details specific to your event source are typically not logged under log., but rather in event.* or in other ECS fields.

log.level: Original log level of the log event. If the source of the event provides a log level or textual severity, this is the one that goes in log.level. If your source doesn’t specify one, you may put your event transport’s severity here (e.g. Syslog severity). Some examples are warn, err, i, informational.

type: keyword

example: error
log.logger: The name of the logger inside an application. This is usually the name of the class which initialized the logger, or can be a custom name.

type: keyword

example: org.elasticsearch.bootstrap.Bootstrap
log.origin.file.line: The line number of the file containing the source code which originated the log event.

type: integer

example: 42
log.origin.file.name: The name of the file containing the source code which originated the log event. Note that this is not the name of the log file.

type: keyword

example: Bootstrap.java
log.origin.function: The name of the function or method which originated the log event.

type: keyword

example: init
log.original: This is the original log message and contains the full log message before splitting it up in multiple parts. In contrast to the message field which can contain an extracted part of the log message, this field contains the original, full log message. It can have already some modifications applied like encoding or new lines removed to clean up the log message. This field is not indexed and doc_values are disabled so it can’t be queried but the value can be retrieved from _source.

type: keyword

example: Sep 19 08:26:10 localhost My log
log.syslog: The Syslog metadata of the event, if the event was transmitted via Syslog. Please see RFCs 5424 or 3164.

type: object
log.syslog.facility.code: The Syslog numeric facility of the log event, if available. According to RFCs 5424 and 3164, this value should be an integer between 0 and 23.

type: long

example: 23

format: string
log.syslog.facility.name: The Syslog text-based facility of the log event, if available.

type: keyword

example: local7
log.syslog.priority: Syslog numeric priority of the event, if available. According to RFCs 5424 and 3164, the priority is 8 * facility + severity. This number is therefore expected to contain a value between 0 and 191.

type: long

example: 135

format: string
log.syslog.severity.code: The Syslog numeric severity of the log event, if available. If the event source publishing via Syslog provides a different numeric severity value (e.g. firewall, IDS), your source’s numeric severity should go to event.severity. If the event source does not specify a distinct severity, you can optionally copy the Syslog severity to event.severity.

type: long

example: 3
log.syslog.severity.name: The Syslog numeric severity of the log event, if available. If the event source publishing via Syslog provides a different severity value (e.g. firewall, IDS), your source’s text severity should go to log.level. If the event source does not specify a distinct severity, you can optionally copy the Syslog severity to log.level.

type: keyword

example: Error

network

The network is defined as the communication path over which a host or network event happens. The network.* fields should be populated with details about the network activity associated with an event.

network.application: A name given to an application level protocol. This can be arbitrarily assigned for things like microservices, but also apply to things like skype, icq, facebook, twitter. This would be used in situations where the vendor or service can be decoded such as from the source/dest IP owners, ports, or wire format. The field value must be normalized to lowercase for querying. See the documentation section "Implementing ECS".

type: keyword

example: aim
network.bytes: Total bytes transferred in both directions. If source.bytes and destination.bytes are known, network.bytes is their sum.

type: long

example: 368

format: bytes
network.community_id: A hash of source and destination IPs and ports, as well as the protocol used in a communication. This is a tool-agnostic standard to identify flows. Learn more at https://github.com/corelight/community-id-spec.

type: keyword

example: 1:hO+sN4H+MG5MY/8hIrXPqc4ZQz0=
network.direction: Direction of the network traffic. Recommended values are: * inbound * outbound * internal * external * unknown

When mapping events from a host-based monitoring context, populate this field from the host’s point of view. When mapping events from a network or perimeter-based monitoring context, populate this field from the point of view of your network perimeter.

type: keyword

example: inbound
network.forwarded_ip: Host IP address when the source IP address is the proxy.

type: ip

example: 192.1.1.2
network.iana_number: IANA Protocol Number (https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml). Standardized list of protocols. This aligns well with NetFlow and sFlow related logs which use the IANA Protocol Number.

type: keyword

example: 6
network.name: Name given by operators to sections of their network.

type: keyword

example: Guest Wifi
network.packets: Total packets transferred in both directions. If source.packets and destination.packets are known, network.packets is their sum.

type: long

example: 24
network.protocol: L7 Network protocol name. ex. http, lumberjack, transport protocol. The field value must be normalized to lowercase for querying. See the documentation section "Implementing ECS".

type: keyword

example: http
network.transport: Same as network.iana_number, but instead using the Keyword name of the transport layer (udp, tcp, ipv6-icmp, etc.) The field value must be normalized to lowercase for querying. See the documentation section "Implementing ECS".

type: keyword

example: tcp
network.type: In the OSI Model this would be the Network Layer. ipv4, ipv6, ipsec, pim, etc The field value must be normalized to lowercase for querying. See the documentation section "Implementing ECS".

type: keyword

example: ipv4

observer

An observer is defined as a special network, security, or application device used to detect, observe, or create network, security, or application-related events and metrics. This could be a custom hardware appliance or a server that has been configured to run special network, security, or application software. Examples include firewalls, web proxies, intrusion detection/prevention systems, network monitoring sensors, web application firewalls, data loss prevention systems, and APM servers. The observer.* fields shall be populated with details of the system, if any, that detects, observes and/or creates a network, security, or application event or metric. Message queues and ETL components used in processing events or metrics are not considered observers in ECS.

observer.geo.city_name: City name.

type: keyword

example: Montreal
observer.geo.continent_name: Name of the continent.

type: keyword

example: North America
observer.geo.country_iso_code: Country ISO code.

type: keyword

example: CA
observer.geo.country_name: Country name.

type: keyword

example: Canada
observer.geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
observer.geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
observer.geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
observer.geo.region_name: Region name.

type: keyword

example: Quebec
observer.hostname: Hostname of the observer.

type: keyword
observer.ip: IP address of the observer.

type: ip
observer.mac: MAC address of the observer

type: keyword
observer.name: Custom name of the observer. This is a name that can be given to an observer. This can be helpful for example if multiple firewalls of the same model are used in an organization. If no custom name is needed, the field can be left empty.

type: keyword

example: 1_proxySG
observer.os.family: OS family (such as redhat, debian, freebsd, windows).

type: keyword

example: debian
observer.os.full: Operating system name, including the version or code name.

type: keyword

example: Mac OS Mojave
observer.os.kernel: Operating system kernel version as a raw string.

type: keyword

example: 4.4.0-112-generic
observer.os.name: Operating system name, without the version.

type: keyword

example: Mac OS X
observer.os.platform: Operating system platform (such centos, ubuntu, windows).

type: keyword

example: darwin
observer.os.version: Operating system version as a raw string.

type: keyword

example: 10.14.1
observer.product: The product name of the observer.

type: keyword

example: s200
observer.serial_number: Observer serial number.

type: keyword
observer.type: The type of the observer the data is coming from. There is no predefined list of observer types. Some examples are forwarder, firewall, ids, ips, proxy, poller, sensor, APM server.

type: keyword

example: firewall
observer.vendor: Vendor name of the observer.

type: keyword

example: Symantec
observer.version: Observer version.

type: keyword

organization

The organization fields enrich data with information about the company or entity the data is associated with. These fields help you arrange or filter data stored in an index by one or multiple organizations.

organization.id: Unique identifier for the organization.

type: keyword
organization.name: Organization name.

type: keyword

os

The OS fields contain information about the operating system.

os.family: OS family (such as redhat, debian, freebsd, windows).

type: keyword

example: debian
os.full: Operating system name, including the version or code name.

type: keyword

example: Mac OS Mojave
os.kernel: Operating system kernel version as a raw string.

type: keyword

example: 4.4.0-112-generic
os.name: Operating system name, without the version.

type: keyword

example: Mac OS X
os.platform: Operating system platform (such centos, ubuntu, windows).

type: keyword

example: darwin
os.version: Operating system version as a raw string.

type: keyword

example: 10.14.1

package

These fields contain information about an installed software package. It contains general information about a package, such as name, version or size. It also contains installation details, such as time or location.

package.architecture: Package architecture.

type: keyword

example: x86_64
package.checksum: Checksum of the installed package for verification.

type: keyword

example: 68b329da9893e34099c7d8ad5cb9c940
package.description: Description of the package.

type: keyword

example: Open source programming language to build simple/reliable/efficient software.
package.install_scope: Indicating how the package was installed, e.g. user-local, global.

type: keyword

example: global
package.installed: Time when package was installed.

type: date
package.license: License under which the package was released. Use a short name, e.g. the license identifier from SPDX License List where possible (https://spdx.org/licenses/).

type: keyword

example: Apache License 2.0
package.name: Package name

type: keyword

example: go
package.path: Path where the package is installed.

type: keyword

example: /usr/local/Cellar/go/1.12.9/
package.size: Package size in bytes.

type: long

example: 62231

format: string
package.version: Package version

type: keyword

example: 1.12.9

process

These fields contain information about a process. These fields can help you correlate metrics information with a process id/name from a log message. The process.pid often stays in the metric itself and is copied to the global field for correlation.

process.args: Array of process arguments. May be filtered to protect sensitive information.

type: keyword

example: ['ssh', '-l', 'user', '10.0.0.16']
process.executable: Absolute path to the process executable.

type: keyword

example: /usr/bin/ssh
process.hash.md5: MD5 hash.

type: keyword
process.hash.sha1: SHA1 hash.

type: keyword
process.hash.sha256: SHA256 hash.

type: keyword
process.hash.sha512: SHA512 hash.

type: keyword
process.name: Process name. Sometimes called program name or similar.

type: keyword

example: ssh
process.pgid: Identifier of the group of processes the process belongs to.

type: long

format: string
process.pid: Process id.

type: long

example: 4242

format: string
process.ppid: Parent process' pid.

type: long

example: 4241

format: string
process.start: The time the process started.

type: date

example: 2016-05-23T08:05:34.853Z
process.thread.id: Thread ID.

type: long

example: 4242

format: string
process.thread.name: Thread name.

type: keyword

example: thread-0
process.title: Process title. The proctitle, some times the same as process name. Can also be different: for example a browser setting its title to the web page currently opened.

type: keyword
process.uptime: Seconds the process has been up.

type: long

example: 1325
process.working_directory: The working directory of the process.

type: keyword

example: /home/alice

This field set is meant to facilitate pivoting around a piece of data. Some pieces of information can be seen in many places in an ECS event. To facilitate searching for them, store an array of all seen values to their corresponding field in related.. A concrete example is IP addresses, which can be under host, observer, source, destination, client, server, and network.forwarded_ip. If you append all IPs to related.ip, you can then search for a given IP trivially, no matter where it appeared, by querying related.ip:a.b.c.d.

related.ip: All of the IPs seen on your event.

type: ip

server

A Server is defined as the responder in a network connection for events regarding sessions, connections, or bidirectional flow records. For TCP events, the server is the receiver of the initial SYN packet(s) of the TCP connection. For other protocols, the server is generally the responder in the network transaction. Some systems actually use the term "responder" to refer the server in TCP connections. The server fields describe details about the system acting as the server in the network event. Server fields are usually populated in conjunction with client fields. Server fields are generally not populated for packet-level events. Client / server representations can add semantic context to an exchange, which is helpful to visualize the data in certain situations. If your context falls in that category, you should still ensure that source and destination are filled appropriately.

server.address: Some event server addresses are defined ambiguously. The event will sometimes list an IP, a domain or a unix socket. You should always store the raw address in the .address field. Then it should be duplicated to .ip or .domain, depending on which one it is.

type: keyword
server.as.number: Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.

type: long

example: 15169
server.as.organization.name: Organization name.

type: keyword

example: Google LLC
server.bytes: Bytes sent from the server to the client.

type: long

example: 184

format: bytes
server.domain: Server domain.

type: keyword
server.geo.city_name: City name.

type: keyword

example: Montreal
server.geo.continent_name: Name of the continent.

type: keyword

example: North America
server.geo.country_iso_code: Country ISO code.

type: keyword

example: CA
server.geo.country_name: Country name.

type: keyword

example: Canada
server.geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
server.geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
server.geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
server.geo.region_name: Region name.

type: keyword

example: Quebec
server.ip: IP address of the server. Can be one or multiple IPv4 or IPv6 addresses.

type: ip
server.mac: MAC address of the server.

type: keyword
server.nat.ip: Translated ip of destination based NAT sessions (e.g. internet to private DMZ) Typically used with load balancers, firewalls, or routers.

type: ip
server.nat.port: Translated port of destination based NAT sessions (e.g. internet to private DMZ) Typically used with load balancers, firewalls, or routers.

type: long

format: string
server.packets: Packets sent from the server to the client.

type: long

example: 12
server.port: Port of the server.

type: long

format: string
server.registered_domain: The highest registered server domain, stripped of the subdomain. For example, the registered domain for "foo.google.com" is "google.com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last two labels will not work well for TLDs such as "co.uk".

type: keyword

example: google.com
server.top_level_domain: The effective top level domain (eTLD), also known as the domain suffix, is the last part of the domain name. For example, the top level domain for google.com is "com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last label will not work well for effective TLDs such as "co.uk".

type: keyword

example: co.uk
server.user.domain: Name of the directory the user is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
server.user.email: User email address.

type: keyword
server.user.full_name: User’s full name, if available.

type: keyword

example: Albert Einstein
server.user.group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
server.user.group.id: Unique identifier for the group on the system/platform.

type: keyword
server.user.group.name: Name of the group.

type: keyword
server.user.hash: Unique user hash to correlate information for a user in anonymized form. Useful if user.id or user.name contain confidential information and cannot be used.

type: keyword
server.user.id: One or multiple unique identifiers of the user.

type: keyword
server.user.name: Short name or login of the user.

type: keyword

example: albert

service

The service fields describe the service for or from which the data was collected. These fields help you find and correlate logs for a specific service and version.

service.ephemeral_id: Ephemeral identifier of this service (if one exists). This id normally changes across restarts, but service.id does not.

type: keyword

example: 8a4f500f
service.id: Unique identifier of the running service. If the service is comprised of many nodes, the service.id should be the same for all nodes. This id should uniquely identify the service. This makes it possible to correlate logs and metrics for one specific service, no matter which particular node emitted the event. Note that if you need to see the events from one specific host of the service, you should filter on that host.name or host.id instead.

type: keyword

example: d37e5ebfe0ae6c4972dbe9f0174a1637bb8247f6
service.name: Name of the service data is collected from. The name of the service is normally user given. This allows for distributed services that run on multiple hosts to correlate the related instances based on the name. In the case of Elasticsearch the service.name could contain the cluster name. For Beats the service.name is by default a copy of the service.type field if no name is specified.

type: keyword

example: elasticsearch-metrics
service.node.name: Name of a service node. This allows for two nodes of the same service running on the same host to be differentiated. Therefore, service.node.name should typically be unique across nodes of a given service. In the case of Elasticsearch, the service.node.name could contain the unique node name within the Elasticsearch cluster. In cases where the service doesn’t have the concept of a node name, the host name or container name can be used to distinguish running instances that make up this service. If those do not provide uniqueness (e.g. multiple instances of the service running on the same host) - the node name can be manually set.

type: keyword

example: instance-0000000016
service.state: Current state of the service.

type: keyword
service.type: The type of the service data is collected from. The type can be used to group and correlate logs and metrics from one service type. Example: If logs or metrics are collected from Elasticsearch, service.type would be elasticsearch.

type: keyword

example: elasticsearch
service.version: Version of the service the data was collected from. This allows to look at a data set only for a specific version of a service.

type: keyword

example: 3.2.4

source

Source fields describe details about the source of a packet/event. Source fields are usually populated in conjunction with destination fields.

source.address: Some event source addresses are defined ambiguously. The event will sometimes list an IP, a domain or a unix socket. You should always store the raw address in the .address field. Then it should be duplicated to .ip or .domain, depending on which one it is.

type: keyword
source.as.number: Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.

type: long

example: 15169
source.as.organization.name: Organization name.

type: keyword

example: Google LLC
source.bytes: Bytes sent from the source to the destination.

type: long

example: 184

format: bytes
source.domain: Source domain.

type: keyword
source.geo.city_name: City name.

type: keyword

example: Montreal
source.geo.continent_name: Name of the continent.

type: keyword

example: North America
source.geo.country_iso_code: Country ISO code.

type: keyword

example: CA
source.geo.country_name: Country name.

type: keyword

example: Canada
source.geo.location: Longitude and latitude.

type: geo_point

example: { "lon": -73.614830, "lat": 45.505918 }
source.geo.name: User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.

type: keyword

example: boston-dc
source.geo.region_iso_code: Region ISO code.

type: keyword

example: CA-QC
source.geo.region_name: Region name.

type: keyword

example: Quebec
source.ip: IP address of the source. Can be one or multiple IPv4 or IPv6 addresses.

type: ip
source.mac: MAC address of the source.

type: keyword
source.nat.ip: Translated ip of source based NAT sessions (e.g. internal client to internet) Typically connections traversing load balancers, firewalls, or routers.

type: ip
source.nat.port: Translated port of source based NAT sessions. (e.g. internal client to internet) Typically used with load balancers, firewalls, or routers.

type: long

format: string
source.packets: Packets sent from the source to the destination.

type: long

example: 12
source.port: Port of the source.

type: long

format: string
source.registered_domain: The highest registered source domain, stripped of the subdomain. For example, the registered domain for "foo.google.com" is "google.com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last two labels will not work well for TLDs such as "co.uk".

type: keyword

example: google.com
source.top_level_domain: The effective top level domain (eTLD), also known as the domain suffix, is the last part of the domain name. For example, the top level domain for google.com is "com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last label will not work well for effective TLDs such as "co.uk".

type: keyword

example: co.uk
source.user.domain: Name of the directory the user is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
source.user.email: User email address.

type: keyword
source.user.full_name: User’s full name, if available.

type: keyword

example: Albert Einstein
source.user.group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
source.user.group.id: Unique identifier for the group on the system/platform.

type: keyword
source.user.group.name: Name of the group.

type: keyword
source.user.hash: Unique user hash to correlate information for a user in anonymized form. Useful if user.id or user.name contain confidential information and cannot be used.

type: keyword
source.user.id: One or multiple unique identifiers of the user.

type: keyword
source.user.name: Short name or login of the user.

type: keyword

example: albert

threat

Fields to classify events and alerts according to a threat taxonomy such as the Mitre ATT&CK framework. These fields are for users to classify alerts from all of their sources (e.g. IDS, NGFW, etc.) within a common taxonomy. The threat.tactic.* are meant to capture the high level category of the threat (e.g. "impact"). The threat.technique.* fields are meant to capture which kind of approach is used by this detected threat, to accomplish the goal (e.g. "endpoint denial of service").

threat.framework: Name of the threat framework used to further categorize and classify the tactic and technique of the reported threat. Framework classification can be provided by detecting systems, evaluated at ingest time, or retrospectively tagged to events.

type: keyword

example: MITRE ATT&CK
threat.tactic.id: The id of tactic used by this threat. You can use the Mitre ATT&CK Matrix Tactic categorization, for example. (ex. https://attack.mitre.org/tactics/TA0040/ )

type: keyword

example: TA0040
threat.tactic.name: Name of the type of tactic used by this threat. You can use the Mitre ATT&CK Matrix Tactic categorization, for example. (ex. https://attack.mitre.org/tactics/TA0040/ )

type: keyword

example: impact
threat.tactic.reference: The reference url of tactic used by this threat. You can use the Mitre ATT&CK Matrix Tactic categorization, for example. (ex. https://attack.mitre.org/tactics/TA0040/ )

type: keyword

example: https://attack.mitre.org/tactics/TA0040/
threat.technique.id: The id of technique used by this tactic. You can use the Mitre ATT&CK Matrix Tactic categorization, for example. (ex. https://attack.mitre.org/techniques/T1499/ )

type: keyword

example: T1499
threat.technique.name: The name of technique used by this tactic. You can use the Mitre ATT&CK Matrix Tactic categorization, for example. (ex. https://attack.mitre.org/techniques/T1499/ )

type: keyword

example: endpoint denial of service
threat.technique.reference: The reference url of technique used by this tactic. You can use the Mitre ATT&CK Matrix Tactic categorization, for example. (ex. https://attack.mitre.org/techniques/T1499/ )

type: keyword

example: https://attack.mitre.org/techniques/T1499/

tracing

Distributed tracing makes it possible to analyze performance throughout a microservice architecture all in one view. This is accomplished by tracing all of the requests - from the initial web request in the front-end service - to queries made through multiple back-end services.

tracing.trace.id: Unique identifier of the trace. A trace groups multiple events like transactions that belong together. For example, a user request handled by multiple inter-connected services.

type: keyword

example: 4bf92f3577b34da6a3ce929d0e0e4736
tracing.transaction.id: Unique identifier of the transaction. A transaction is the highest level of work measured within a service, such as a request to a server.

type: keyword

example: 00f067aa0ba902b7

url

URL fields provide support for complete or partial URLs, and supports the breaking down into scheme, domain, path, and so on.

url.domain: Domain of the url, such as "www.elastic.co". In some cases a URL may refer to an IP and/or port directly, without a domain name. In this case, the IP address would go to the domain field.

type: keyword

example: www.elastic.co
url.extension: The field contains the file extension from the original request url. The file extension is only set if it exists, as not every url has a file extension. The leading period must not be included. For example, the value must be "png", not ".png".

type: keyword

example: png
url.fragment: Portion of the url after the , such as "top". The is not part of the fragment.

type: keyword
url.full: If full URLs are important to your use case, they should be stored in url.full, whether this field is reconstructed or present in the event source.

type: keyword

example: https://www.elastic.co:443/search?q=elasticsearch#top
url.original: Unmodified original url as seen in the event source. Note that in network monitoring, the observed URL may be a full URL, whereas in access logs, the URL is often just represented as a path. This field is meant to represent the URL as it was observed, complete or not.

type: keyword

example: https://www.elastic.co:443/search?q=elasticsearch#top or /search?q=elasticsearch
url.password: Password of the request.

type: keyword
url.path: Path of the request, such as "/search".

type: keyword
url.port: Port of the request, such as 443.

type: long

example: 443

format: string
url.query: The query field describes the query string of the request, such as "q=elasticsearch". The ? is excluded from the query string. If a URL contains no ?, there is no query field. If there is a ? but no query, the query field exists with an empty string. The exists query can be used to differentiate between the two cases.

type: keyword
url.registered_domain: The highest registered url domain, stripped of the subdomain. For example, the registered domain for "foo.google.com" is "google.com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last two labels will not work well for TLDs such as "co.uk".

type: keyword

example: google.com
url.scheme: Scheme of the request, such as "https". Note: The : is not part of the scheme.

type: keyword

example: https
url.top_level_domain: The effective top level domain (eTLD), also known as the domain suffix, is the last part of the domain name. For example, the top level domain for google.com is "com". This value can be determined precisely with a list like the public suffix list (http://publicsuffix.org). Trying to approximate this by simply taking the last label will not work well for effective TLDs such as "co.uk".

type: keyword

example: co.uk
url.username: Username of the request.

type: keyword

user

The user fields describe information about the user that is relevant to the event. Fields can have one entry or multiple entries. If a user has more than one id, provide an array that includes all of them.

user.domain: Name of the directory the user is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
user.email: User email address.

type: keyword
user.full_name: User’s full name, if available.

type: keyword

example: Albert Einstein
user.group.domain: Name of the directory the group is a member of. For example, an LDAP or Active Directory domain name.

type: keyword
user.group.id: Unique identifier for the group on the system/platform.

type: keyword
user.group.name: Name of the group.

type: keyword
user.hash: Unique user hash to correlate information for a user in anonymized form. Useful if user.id or user.name contain confidential information and cannot be used.

type: keyword
user.id: One or multiple unique identifiers of the user.

type: keyword
user.name: Short name or login of the user.

type: keyword

example: albert

user_agent

The user_agent fields normally come from a browser request. They often show up in web service logs coming from the parsed user agent string.

user_agent.device.name: Name of the device.

type: keyword

example: iPhone
user_agent.name: Name of the user agent.

type: keyword

example: Safari
user_agent.original: Unparsed version of the user_agent.

type: keyword

example: Mozilla/5.0 (iPhone; CPU iPhone OS 12_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0 Mobile/15E148 Safari/604.1
user_agent.os.family: OS family (such as redhat, debian, freebsd, windows).

type: keyword

example: debian
user_agent.os.full: Operating system name, including the version or code name.

type: keyword

example: Mac OS Mojave
user_agent.os.kernel: Operating system kernel version as a raw string.

type: keyword

example: 4.4.0-112-generic
user_agent.os.name: Operating system name, without the version.

type: keyword

example: Mac OS X
user_agent.os.platform: Operating system platform (such centos, ubuntu, windows).

type: keyword

example: darwin
user_agent.os.version: Operating system version as a raw string.

type: keyword

example: 10.14.1
user_agent.version: Version of the user agent.

type: keyword

example: 12.0

Host fields

Info collected for the host machine.

host.containerized: If the host is a container.

type: boolean
host.os.build: OS build information.

type: keyword

example: 18D109
host.os.codename: OS codename, if any.

type: keyword

example: stretch

Jolokia Discovery autodiscover provider fields

Metadata from Jolokia Discovery added by the jolokia provider.

jolokia.agent.version: Version number of jolokia agent.

type: keyword
jolokia.agent.id: Each agent has a unique id which can be either provided during startup of the agent in form of a configuration parameter or being autodetected. If autodected, the id has several parts: The IP, the process id, hashcode of the agent and its type.

type: keyword
jolokia.server.product: The container product if detected.

type: keyword
jolokia.server.version: The container’s version (if detected).

type: keyword
jolokia.server.vendor: The vendor of the container the agent is running in.

type: keyword
jolokia.url: The URL how this agent can be contacted.

type: keyword
jolokia.secured: Whether the agent was configured for authentication or not.

type: boolean

Kubernetes fields

Kubernetes metadata added by the kubernetes processor

kubernetes.pod.name: Kubernetes pod name

type: keyword
kubernetes.pod.uid: Kubernetes Pod UID

type: keyword
kubernetes.namespace: Kubernetes namespace

type: keyword
kubernetes.node.name: Kubernetes node name

type: keyword
kubernetes.labels.*: Kubernetes labels map

type: object
kubernetes.annotations.*: Kubernetes annotations map

type: object
kubernetes.replicaset.name: Kubernetes replicaset name

type: keyword
kubernetes.deployment.name: Kubernetes deployment name

type: keyword
kubernetes.statefulset.name: Kubernetes statefulset name

type: keyword
kubernetes.container.name: Kubernetes container name

type: keyword
kubernetes.container.image: Kubernetes container image

type: keyword

Process fields

Process metadata fields

process.exe: type: alias

alias to: process.executable

symantecbeat fields

None

counter: PLEASE UPDATE DOCUMENTATION

type: long

required: True

Files

fields.asciidoc

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