Contrast ADR - EDR Alert Correlation

ContrastADRIncident_CL
| project-rename  incident_id_s = incidentId_s
| join kind=inner (ContrastADR_CL | where rule_s in~("class-loader-manipulation", "cmd-injection-semantic-chained-commands", "cmd-injection-semantic-dangerous-paths", "cmd-injection-command-backdoors", "cmd-injection-process-hardening", "cmd-injection", "expression-language-injection", "jndi-injection", "ssjs-injection", "unsafe-file-upload", "untrusted-deserialization","xxe")) on incident_id_s
| project-rename hostname_s = host_hostname_s
//Please add your EDR table name in place of ContrastWAFLogs_CL and hostname's column name in place of hostname_s below and uncomment the queries below
//| join kind = inner ( ContrastWAFLogs_CL
//| where TimeGenerated >= ago(5m)) on hostname_s

name: Contrast ADR - EDR Alert Correlation
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_EDR.yaml
queryPeriod: 5m
version: 1.0.0
severity: Medium
id: c1c6ba64-134e-403b-b9a6-1bebc90809a4
triggerOperator: gt
triggerThreshold: 0
kind: Scheduled
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: false
    groupByEntities:
    - Host
    lookbackDuration: PT1H
    enabled: true
    matchingMethod: Selected
requiredDataConnectors:
- dataTypes:
  - ContrastADRIncident_CL
  - ContrastADR_CL
  connectorId: ContrastADR
eventGroupingSettings:
  aggregationKind: AlertPerResult
relevantTechniques:
- T1059
- T1055
- T1190
- T1008
description: |
    'Correlates Contrast ADR incidents with specific high-risk attack patterns including command injection, deserialization attacks, and file upload vulnerabilities. This rule identifies confirmed security events that require immediate attention from security teams.'
alertDetailsOverride:
  alertDescriptionFormat: EDR Alert Confirmed {{result_s}} by Contrast ADR on {{application_name_s}}
  alertDisplayNameFormat: EDR Alert Confirmed {{result_s}} by Contrast ADR on {{application_name_s}}
query: |
  ContrastADRIncident_CL
  | project-rename  incident_id_s = incidentId_s
  | join kind=inner (ContrastADR_CL | where rule_s in~("class-loader-manipulation", "cmd-injection-semantic-chained-commands", "cmd-injection-semantic-dangerous-paths", "cmd-injection-command-backdoors", "cmd-injection-process-hardening", "cmd-injection", "expression-language-injection", "jndi-injection", "ssjs-injection", "unsafe-file-upload", "untrusted-deserialization","xxe")) on incident_id_s
  | project-rename hostname_s = host_hostname_s
  //Please add your EDR table name in place of ContrastWAFLogs_CL and hostname's column name in place of hostname_s below and uncomment the queries below
  //| join kind = inner ( ContrastWAFLogs_CL
  //| where TimeGenerated >= ago(5m)) on hostname_s  
tactics:
- Execution
- DefenseEvasion
- InitialAccess
- CommandAndControl
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: host_hostname_s
    identifier: HostName
status: Available
queryFrequency: 5m

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/c1c6ba64-134e-403b-b9a6-1bebc90809a4')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/c1c6ba64-134e-403b-b9a6-1bebc90809a4')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "EDR Alert Confirmed {{result_s}} by Contrast ADR on {{application_name_s}}",
          "alertDisplayNameFormat": "EDR Alert Confirmed {{result_s}} by Contrast ADR on {{application_name_s}}"
        },
        "alertRuleTemplateName": "c1c6ba64-134e-403b-b9a6-1bebc90809a4",
        "customDetails": null,
        "description": "'Correlates Contrast ADR incidents with specific high-risk attack patterns including command injection, deserialization attacks, and file upload vulnerabilities. This rule identifies confirmed security events that require immediate attention from security teams.'\n",
        "displayName": "Contrast ADR - EDR Alert Correlation",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "host_hostname_s",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByEntities": [
              "Host"
            ],
            "lookbackDuration": "PT1H",
            "matchingMethod": "Selected",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_EDR.yaml",
        "query": "ContrastADRIncident_CL\n| project-rename  incident_id_s = incidentId_s\n| join kind=inner (ContrastADR_CL | where rule_s in~(\"class-loader-manipulation\", \"cmd-injection-semantic-chained-commands\", \"cmd-injection-semantic-dangerous-paths\", \"cmd-injection-command-backdoors\", \"cmd-injection-process-hardening\", \"cmd-injection\", \"expression-language-injection\", \"jndi-injection\", \"ssjs-injection\", \"unsafe-file-upload\", \"untrusted-deserialization\",\"xxe\")) on incident_id_s\n| project-rename hostname_s = host_hostname_s\n//Please add your EDR table name in place of ContrastWAFLogs_CL and hostname's column name in place of hostname_s below and uncomment the queries below\n//| join kind = inner ( ContrastWAFLogs_CL\n//| where TimeGenerated >= ago(5m)) on hostname_s\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl",
          "DefenseEvasion",
          "Execution",
          "InitialAccess"
        ],
        "techniques": [
          "T1008",
          "T1055",
          "T1059",
          "T1190"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}