Cyren High-Risk IP Indicators | Microsoft Sentinel Analytic Rules

Back


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

suppressionDuration: 1h
name: Cyren High-Risk IP Indicators
suppressionEnabled: false
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, ", ")
queryFrequency: 1h
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.'
id: 5d7e8b3a-1f2c-4e5d-9a0b-c1d2e3f4a5b6
triggerThreshold: 0
queryPeriod: 1d
version: 1.0.0
kind: Scheduled
customDetails:
  Categories: ThreatCategories
  Source: Source
  RiskScore: MaxRisk
  DetectionCount: DetectionCount
status: Available
eventGroupingSettings:
  aggregationKind: AlertPerResult
severity: High
requiredDataConnectors:
- connectorId: CyrenThreatIntel
  dataTypes:
  - Cyren_Indicators_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyrenThreatIntelligence/Analytic%20Rules/Cyren%20-%20High%20Risk%20IP%20Indicators.yaml
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: 1d
    enabled: true
    reopenClosedIncident: false
    matchingMethod: Selected
    groupByEntities:
    - IP
  createIncident: true
relevantTechniques:
- T1071
- T1568
tactics:
- CommandAndControl
- Impact
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"
    }
  ]
}