Detection rules › Kusto

Cisco SDWAN - Intrusion Events

Status
available
Severity
high
Time window
3h
Source
github.com/Azure/Azure-Sentinel

'This Analytic rule will monitor Intrusion events in Cisco syslog data based on the provided Signature ID. This will create an incident if that Signature ID is found in the specified time range.'

MITRE ATT&CK coverage

Rule body kusto

id: 232a1c75-63fc-4c81-8b18-b4a739fccba8
name: Cisco SDWAN - Intrusion Events
description: |
  'This Analytic rule will monitor Intrusion events in Cisco syslog data based on the provided Signature ID. This will create an incident if that Signature ID is found in the specified time range.'
severity: High
status: Available
requiredDataConnectors:
  - connectorId: CiscoSDWAN
    dataTypes:
      - CiscoSyslogUTD
queryFrequency: 3h
queryPeriod: 3h
triggerOperator: gt
triggerThreshold: 0
tactics:
  - InitialAccess
relevantTechniques:
  - T1190
  - T1189
query: |
  CiscoSyslogUTD
  | where SignatureId == "Enter SignatureId"
  | distinct SignatureId,SourceIP
incidentConfiguration:
  createIncident: true
eventGroupingSettings:
    aggregationKind: AlertPerResult
customDetails:
  signatureid: SignatureId
entityMappings:
  - entityType: RegistryKey
    fieldMappings:
      - identifier: Key
        columnName: SignatureId
version: 1.0.1
kind: Scheduled

Stages and Predicates

Stage 1: source

CiscoSyslogUTD

Stage 2: where

| where SignatureId == "Enter SignatureId"

Stage 3: distinct

| distinct SignatureId,SourceIP

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
SignatureIdeq
  • Enter SignatureId transforms: cased