Unusual Discovery Signal Alert with Unusual Process Command Line

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

Version: 1

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"
)

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/

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