Cyren High-Risk IP Indicators

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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 Rules/Cyren - High Risk IP Indicators.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

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

ARM