IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Unusual DPKG Execution Unusual Discovery Signal Alert with Unusual Process Command Line »
Elastic Docs ›Elastic Security Solution [8.15] ›Detections and alerts ›Prebuilt rule reference

Unusual Discovery Activity by User

edit

Unusual Discovery Activity by User

edit

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

Rule type: new_terms

Rule indices:

  • .alerts-security.*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Discovery
  • Rule Type: Higher-Order Rule
  • Rule Type: BBR

Version: 2

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

edit
host.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"
)

Framework: MITRE ATT&CKTM

« Unusual DPKG Execution Unusual Discovery Signal Alert with Unusual Process Command Line »