System fields
Stack
These are the fields generated by the system module.
event.origin-
Origin of the event. This can be a file path (e.g.
/var/log/log.1), or the name of the system component that supplied the data (e.g.netlink).type: keyword
user.entity_id-
ID uniquely identifying the user on a host. It is computed as a SHA-256 hash of the host ID, user ID, and user name.
type: keyword
user.terminal-
Terminal of the user.
type: keyword
process.thread.capabilities.effective-
This is the set of capabilities used by the kernel to perform permission checks for the thread.
type: keyword
example: ["CAP_BPF", "CAP_SYS_ADMIN"]
process.thread.capabilities.permitted-
This is a limiting superset for the effective capabilities that the thread may assume.
type: keyword
example: ["CAP_BPF", "CAP_SYS_ADMIN"]
Hashes of the executable. The keys are algorithm names and the values are the hex encoded digest values.
process.hash.blake2b_256-
BLAKE2b-256 hash of the executable.
type: keyword
process.hash.blake2b_384-
BLAKE2b-384 hash of the executable.
type: keyword
process.hash.blake2b_512-
BLAKE2b-512 hash of the executable.
type: keyword
process.hash.sha224-
SHA224 hash of the executable.
type: keyword
process.hash.sha384-
SHA384 hash of the executable.
type: keyword
process.hash.sha3_224-
SHA3_224 hash of the executable.
type: keyword
process.hash.sha3_256-
SHA3_256 hash of the executable.
type: keyword
process.hash.sha3_384-
SHA3_384 hash of the executable.
type: keyword
process.hash.sha3_512-
SHA3_512 hash of the executable.
type: keyword
process.hash.sha512_224-
SHA512/224 hash of the executable.
type: keyword
process.hash.sha512_256-
SHA512/256 hash of the executable.
type: keyword
process.hash.xxh64-
XX64 hash of the executable.
type: keyword
Stack
host contains general host information.
system.audit.host.uptime-
Uptime in nanoseconds.
type: long
format: duration
system.audit.host.boottime-
Boot time.
type: date
system.audit.host.containerized-
Set if host is a container.
type: boolean
system.audit.host.timezone.name-
Name of the timezone of the host, e.g. BST.
type: keyword
system.audit.host.timezone.offset.sec-
Timezone offset in seconds.
type: long
system.audit.host.hostname-
Hostname.
type: keyword
system.audit.host.id-
Host ID.
type: keyword
system.audit.host.architecture-
Host architecture (e.g. x86_64).
type: keyword
system.audit.host.mac-
MAC addresses.
type: keyword
system.audit.host.ip-
IP addresses.
type: ip
os contains information about the operating system.
system.audit.host.os.codename-
OS codename, if any (e.g. stretch).
type: keyword
system.audit.host.os.platform-
OS platform (e.g. centos, ubuntu, windows).
type: keyword
system.audit.host.os.name-
OS name (e.g. Mac OS X).
type: keyword
system.audit.host.os.family-
OS family (e.g. redhat, debian, freebsd, windows).
type: keyword
system.audit.host.os.version-
OS version.
type: keyword
system.audit.host.os.kernel-
The operating system's kernel version.
type: keyword
system.audit.host.os.type-
OS type (see ECS os.type).
type: keyword
Stack
package contains information about an installed or removed package.
system.audit.package.entity_id-
ID uniquely identifying the package. It is computed as a SHA-256 hash of the host ID, package name, and package version.
type: keyword
system.audit.package.name-
Package name.
type: keyword
system.audit.package.version-
Package version.
type: keyword
system.audit.package.release-
Package release.
type: keyword
system.audit.package.arch-
Package architecture.
type: keyword
system.audit.package.license-
Package license.
type: keyword
system.audit.package.installtime-
Package install time.
type: date
system.audit.package.size-
Package size.
type: long
system.audit.package.summary- Package summary.
system.audit.package.url-
Package URL.
type: keyword
Stack
user contains information about the users on a system.
system.audit.user.name-
User name.
type: keyword
system.audit.user.uid-
User ID.
type: keyword
system.audit.user.gid-
Group ID.
type: keyword
system.audit.user.dir-
User's home directory.
type: keyword
system.audit.user.shell-
Program to run at login.
type: keyword
system.audit.user.user_information-
General user information. On Linux, this is the gecos field.
type: keyword
system.audit.user.group-
groupcontains information about any groups the user is part of (beyond the user's primary group).type: object
password contains information about a user's password (not the password itself).
system.audit.user.password.type-
A user's password type. Possible values are
shadow_password(the password hash is in the shadow file),password_disabled,no_password(this is dangerous as anyone can log in), andcrypt_password(when the password field in /etc/passwd seems to contain an encrypted password).type: keyword
system.audit.user.password.last_changed-
The day the user's password was last changed.
type: date