↳ GitHub sourceAnalytics ruleMedium

vArmour AppController - SMB Realm Traversal

Description

'Detects when SMB traffic crosses Production and Non-Production Realms. Possible network share discovery or lateral tool transfer across realms'

Rule type: Scheduled
Version: 1.0.2
Declared status: Available
Query frequency: 1h
Query period: 1h
Trigger: gt 0

Declared MITRE coverage

Declared sources

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

Connectors

vArmourAC vArmourACAma CefAma

Data types

CommonSecurityLog

KQL query

Original query, unchanged.

CommonSecurityLog
| where DeviceVendor == "vArmour"
| where DeviceProduct == "AC"
| where Activity == "POLICY_VIOLATION"
| extend PolicyName = extract("(SMB_REALM_TRAVERSAL\\w+{.*})", 1, DeviceCustomString1)

Declared entities

HostIP

Source provenance

GitHub

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

File: Solutions/vArmour Application Controller/Analytic Rules/vArmourApplicationControllerSMBRealmTraversal.yaml ↗
Commit: 9800e51 ↗
Source identifier: a36de6c3-3198-4d37-92ae-e19e36712c2e

Additional source files 2

Solutions/vArmour Application Controller/Analytic Rules/vArmourApplicationControllerSMBRealmTraversal.yamlsource ↗Solutions/vArmour Application Controller/Data/Solution_vArmour.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.