Microsoft Sentinel Analytic Rules
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Cisco SE - Multiple malware on host

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Idb13489d7-feb1-4ad3-9a4c-09f6d64448fd
RulenameCisco SE - Multiple malware on host
DescriptionThis rule triggers when multiple malware where detected on host.
SeverityHigh
TacticsInitialAccess
TechniquesT1190
T1133
Required data connectorsCiscoSecureEndpoint
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoSEMultipleMalwareOnHost.yaml
Version1.0.0
Arm templateb13489d7-feb1-4ad3-9a4c-09f6d64448fd.json
Deploy To Azure
let threshold = 2;
CiscoSecureEndpoint
| where isnotempty(ThreatName)
| summarize infected = makeset(ThreatName) by DstHostname, bin(TimeGenerated, 10m)
| where array_length(infected) >= threshold
| extend HostCustomEntity = DstHostname
triggerOperator: gt
id: b13489d7-feb1-4ad3-9a4c-09f6d64448fd
queryFrequency: 1h
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostCustomEntity
    identifier: HostName
requiredDataConnectors:
- dataTypes:
  - CiscoSecureEndpoint
  connectorId: CiscoSecureEndpoint
severity: High
triggerThreshold: 0
kind: Scheduled
status: Available
queryPeriod: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoSEMultipleMalwareOnHost.yaml
query: |
  let threshold = 2;
  CiscoSecureEndpoint
  | where isnotempty(ThreatName)
  | summarize infected = makeset(ThreatName) by DstHostname, bin(TimeGenerated, 10m)
  | where array_length(infected) >= threshold
  | extend HostCustomEntity = DstHostname  
description: |
    'This rule triggers when multiple malware where detected on host.'
name: Cisco SE - Multiple malware on host
relevantTechniques:
- T1190
- T1133
tactics:
- InitialAccess
version: 1.0.0
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/b13489d7-feb1-4ad3-9a4c-09f6d64448fd')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b13489d7-feb1-4ad3-9a4c-09f6d64448fd')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01",
      "properties": {
        "displayName": "Cisco SE - Multiple malware on host",
        "description": "'This rule triggers when multiple malware where detected on host.'\n",
        "severity": "High",
        "enabled": true,
        "query": "let threshold = 2;\nCiscoSecureEndpoint\n| where isnotempty(ThreatName)\n| summarize infected = makeset(ThreatName) by DstHostname, bin(TimeGenerated, 10m)\n| where array_length(infected) >= threshold\n| extend HostCustomEntity = DstHostname\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1190",
          "T1133"
        ],
        "alertRuleTemplateName": "b13489d7-feb1-4ad3-9a4c-09f6d64448fd",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "identifier": "HostName",
                "columnName": "HostCustomEntity"
              }
            ],
            "entityType": "Host"
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoSEMultipleMalwareOnHost.yaml",
        "templateVersion": "1.0.0",
        "status": "Available"
      }
    }
  ]
}