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Vaikora - Behavioral anomaly detected

Description

Identifies AI agent actions flagged as behavioral anomalies by Vaikora that fall outside the high or critical severity buckets but still represent statistically unusual activity worth investigation.
Rule type
Scheduled
Version
1.0.1
Declared status
Available
Query frequency
6h
Query period
6h
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

Vaikora_AgentSignals_CL
| where TimeGenerated >= ago(6h)
| where is_anomaly_b == true
| where severity_s !in ("high", "critical")
| extend
    ActionId     = action_id_s,
    AgentId      = agent_id_s,
    ActionType   = action_type_s,
    Severity     = severity_s,
    Status       = status_s,
    AnomalyScore = anomaly_score_d
| project TimeGenerated, ActionId, AgentId, ActionType, Severity, Status, AnomalyScore
| order by AnomalyScore desc, TimeGenerated desc

Declared entities

Account

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
c0984707-0855-430e-9c36-5e2d0d0ce56f
Additional source files 2Solutions/Vaikora-AzureSecurityCenter/Analytic Rules/Vaikora - Anomaly Detection.yamlsource ↗Solutions/Vaikora-AzureSecurityCenter/Data/Solution_VaikoraSecurityCenter.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.