Cyren High-Risk IP Indicators | Microsoft Sentinel Analytic Rules

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Id	5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6
Rulename	Cyren High-Risk IP Indicators
Description	Detects high-risk IP indicators (risk score >= 80) from Cyren threat intelligence feeds in the last 24 hours. These IPs are associated with malicious activity such as malware distribution, phishing, or botnet command and control.
Severity	High
Tactics	CommandAndControl Impact
Techniques	T1071 T1568
Required data connectors	CyrenThreatIntel
Kind	Scheduled
Query frequency	1h
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyrenThreatIntelligence/Analytic%20Rules/Cyren%20-%20High%20Risk%20IP%20Indicators.yaml
Version	1.0.0
Arm template	5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6.json

KQL

Cyren_Indicators_CL
| where TimeGenerated > ago(1d)
| where isnotempty(ip_s)
| extend Risk = toint(risk_d)
| where Risk >= 80
| summarize 
    DetectionCount = count(), 
    MaxRisk = max(Risk), 
    Categories = make_set(category_s) 
  by IP = ip_s, Source = source_s
| where DetectionCount >= 1
| extend 
    IPAddress = IP,
    ThreatCategories = strcat_array(Categories, ", ")

YAML

requiredDataConnectors:
- dataTypes:
  - Cyren_Indicators_CL
  connectorId: CyrenThreatIntel
version: 1.0.0
severity: High
triggerOperator: gt
query: |
  Cyren_Indicators_CL
  | where TimeGenerated > ago(1d)
  | where isnotempty(ip_s)
  | extend Risk = toint(risk_d)
  | where Risk >= 80
  | summarize 
      DetectionCount = count(), 
      MaxRisk = max(Risk), 
      Categories = make_set(category_s) 
    by IP = ip_s, Source = source_s
  | where DetectionCount >= 1
  | extend 
      IPAddress = IP,
      ThreatCategories = strcat_array(Categories, ", ")
suppressionDuration: 1h
tactics:
- CommandAndControl
- Impact
status: Available
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    groupByEntities:
    - IP
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: 1d
    matchingMethod: Selected
customDetails:
  RiskScore: MaxRisk
  DetectionCount: DetectionCount
  Categories: ThreatCategories
  Source: Source
name: Cyren High-Risk IP Indicators
description: |
  'Detects high-risk IP indicators (risk score >= 80) from Cyren threat intelligence feeds in the last 24 hours.
  These IPs are associated with malicious activity such as malware distribution, phishing, or botnet command and control.'
kind: Scheduled
triggerThreshold: 0
queryPeriod: 1d
eventGroupingSettings:
  aggregationKind: AlertPerResult
id: 5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6
queryFrequency: 1h
suppressionEnabled: false
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyrenThreatIntelligence/Analytic%20Rules/Cyren%20-%20High%20Risk%20IP%20Indicators.yaml
relevantTechniques:
- T1071
- T1568
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: IPAddress
  entityType: IP

ARM

{
  "$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/5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6')]",
      "properties": {
        "alertRuleTemplateName": "5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6",
        "customDetails": {
          "Categories": "ThreatCategories",
          "DetectionCount": "DetectionCount",
          "RiskScore": "MaxRisk",
          "Source": "Source"
        },
        "description": "'Detects high-risk IP indicators (risk score >= 80) from Cyren threat intelligence feeds in the last 24 hours.\nThese IPs are associated with malicious activity such as malware distribution, phishing, or botnet command and control.'\n",
        "displayName": "Cyren High-Risk IP Indicators",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPAddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByEntities": [
              "IP"
            ],
            "lookbackDuration": "P1D",
            "matchingMethod": "Selected",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyrenThreatIntelligence/Analytic%20Rules/Cyren%20-%20High%20Risk%20IP%20Indicators.yaml",
        "query": "Cyren_Indicators_CL\n| where TimeGenerated > ago(1d)\n| where isnotempty(ip_s)\n| extend Risk = toint(risk_d)\n| where Risk >= 80\n| summarize \n    DetectionCount = count(), \n    MaxRisk = max(Risk), \n    Categories = make_set(category_s) \n  by IP = ip_s, Source = source_s\n| where DetectionCount >= 1\n| extend \n    IPAddress = IP,\n    ThreatCategories = strcat_array(Categories, \", \")\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P1D",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl",
          "Impact"
        ],
        "techniques": [
          "T1071",
          "T1568"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}