Contrast ADR - WAF Alert Correlation

Back


Id	93641436-afb3-4921-8828-ceab0d15aaab
Rulename	Contrast ADR - WAF Alert Correlation
Description	Correlates Contrast ADR security alerts with WAF logs to identify confirmed attack attempts that were either exploited or blocked. This rule helps security teams prioritize incidents by focusing on attacks that have been validated by application security monitoring.
Severity	Medium
Tactics	InitialAccess DefenseEvasion CommandAndControl
Techniques	T1190 T1211 T1008
Required data connectors	ContrastADRCCF
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_WAF.yaml
Version	1.0.1
Arm template	93641436-afb3-4921-8828-ceab0d15aaab.json

KQL

ContrastADRAttackEvents_CL
| where result =~ "exploited" or result =~ "blocked"
| project-rename ip=sourceIp
//please add you WAF table in place of ContrastWAFLogs_CL and WAF tables source IP or target IP column's inplace of ip and uncomment the queries below
//| join kind=inner (ContrastWAFLogs_CL | where TimeGenerated >= ago(5m)) on ip

YAML

entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: ip
tactics:
- InitialAccess
- DefenseEvasion
- CommandAndControl
requiredDataConnectors:
- dataTypes:
  - ContrastADRAttackEvents_CL
  connectorId: ContrastADRCCF
alertDetailsOverride:
  alertDisplayNameFormat: 'WAF Alert Confirmed {{result}}  by Contrast ADR on {{request_headers_referer}}  endpoint of {{application_name}} '
  alertDescriptionFormat: 'WAF Alert Confirmed {{result}}  by Contrast ADR on {{request_headers_referer}}  endpoint of {{application_name}} '
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    lookbackDuration: PT1H
    groupByEntities:
    - IP
    enabled: true
    matchingMethod: Selected
  createIncident: true
id: 93641436-afb3-4921-8828-ceab0d15aaab
severity: Medium
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available
query: |
  ContrastADRAttackEvents_CL
  | where result =~ "exploited" or result =~ "blocked"
  | project-rename ip=sourceIp
  //please add you WAF table in place of ContrastWAFLogs_CL and WAF tables source IP or target IP column's inplace of ip and uncomment the queries below
  //| join kind=inner (ContrastWAFLogs_CL | where TimeGenerated >= ago(5m)) on ip  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_WAF.yaml
kind: Scheduled
queryPeriod: 5m
version: 1.0.1
name: Contrast ADR - WAF Alert Correlation
queryFrequency: 5m
triggerThreshold: 0
relevantTechniques:
- T1190
- T1211
- T1008
description: |
    'Correlates Contrast ADR security alerts with WAF logs to identify confirmed attack attempts that were either exploited or blocked. This rule helps security teams prioritize incidents by focusing on attacks that have been validated by application security monitoring.'
triggerOperator: gt

ARM