detection.wiki

Detection rules › Kusto

Vulerabilities

Status
available
Severity
high
Time window
12h
Source
github.com/Azure/Azure-Sentinel

This query searches for all the vulerabilities that RidgeBot identified

MITRE ATT&CK coverage

TacticTechniques
Initial Access
Execution
Privilege Escalation

Rule body

id: d096643d-6789-4c74-8893-dd3fc8a94069
name: Vulerabilities
description: |
  This query searches for all the vulerabilities that RidgeBot identified
severity: High
status: Available
requiredDataConnectors: 
  - connectorId: RidgeBotDataConnector
    dataTypes:
      - CommonSecurityLog
  - connectorId: CefAma
    dataTypes:
      - CommonSecurityLog
queryFrequency: 12h
queryPeriod: 12h
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Execution
  - InitialAccess
  - PrivilegeEscalation
relevantTechniques:
  - T1189
  - T1059
  - T1053
  - T1548
query: |
  CommonSecurityLog
  | where DeviceVendor == "RidgeSecurity"
  | where DeviceEventClassID startswith "40"
  | order by LogSeverity
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: DeviceVendor
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: Computer
version: 1.0.1
kind: Scheduled

Stages and Predicates

Stage 1: source

CommonSecurityLog

Stage 2: where

| where DeviceVendor == "RidgeSecurity"

Stage 3: where

| where DeviceEventClassID startswith "40"

Stage 4: sort

| order by LogSeverity

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
DeviceEventClassIDstarts_with
  • 40
field:"DeviceEventClassID" kind:starts_with value:"40"
DeviceVendoreq
  • RidgeSecurity
field:"DeviceVendor" kind:eq value:"RidgeSecurity"