Deprecated - Unusual Discovery Activity by User

Last updated 13 days ago on 2026-02-19

Created 2 years ago on 2023-10-10

About

This rule leverages alert data from various Discovery building block rules to alert on signals with unusual unique host.id and user.id entries.

Tags

Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: DiscoveryRule Type: Higher-Order RuleRule Type: BBRLanguage: kuery

Severity

low

Risk Score

MITRE ATT&CK™

Discovery (TA0007)(external, opens in a new tab or window)

License

Elastic License v2(external, opens in a new tab or window)

Definition

Rule Type: New Terms Rule
Integration Pack: Prebuilt Security Detection Rules
Index Patterns: .alerts-security.*
Related Integrations: (external, opens in a new tab or window)
Query

✄𐘗text code block:
✄𐘗host.os.type:windows and event.kind:signal and kibana.alert.rule.rule_id:(
  "d68e95ad-1c82-4074-a12a-125fe10ac8ba" or "7b8bfc26-81d2-435e-965c-d722ee397ef1" or
  "0635c542-1b96-4335-9b47-126582d2c19a" or "6ea55c81-e2ba-42f2-a134-bccf857ba922" or
  "e0881d20-54ac-457f-8733-fe0bc5d44c55" or "06568a02-af29-4f20-929c-f3af281e41aa" or
  "c4e9ed3e-55a2-4309-a012-bc3c78dad10a" or "51176ed2-2d90-49f2-9f3d-17196428b169" or
  "1d72d014-e2ab-4707-b056-9b96abe7b511"
)

Install detection rules in Elastic Security

Detect Deprecated - Unusual Discovery Activity by User in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).