Sdelete deployed via GPO and run recursively

SecurityEvent
  | where EventID == 4688
  | where Process =~ "svchost.exe"
  | where CommandLine has "-k GPSvcGroup" or CommandLine has "-s gpsvc"
  | extend timekey = bin(TimeGenerated, 1m)
  | project timekey, NewProcessId, Computer
  | join kind=inner (SecurityEvent
  | where EventID == 4688
  | where Process =~ "sdelete.exe" or CommandLine has "sdelete"
  | where ParentProcessName endswith "svchost.exe"
  | where CommandLine has_all ("-s", "-r")
  | extend newProcess = Process
  | extend timekey = bin(TimeGenerated, 1m)
  ) on $left.NewProcessId == $right.ProcessId, timekey, Computer

severity: Medium
queryFrequency: 1d
relevantTechniques:
- T1485
tactics:
- Impact
kind: Scheduled
query: |
  SecurityEvent
    | where EventID == 4688
    | where Process =~ "svchost.exe"
    | where CommandLine has "-k GPSvcGroup" or CommandLine has "-s gpsvc"
    | extend timekey = bin(TimeGenerated, 1m)
    | project timekey, NewProcessId, Computer
    | join kind=inner (SecurityEvent
    | where EventID == 4688
    | where Process =~ "sdelete.exe" or CommandLine has "sdelete"
    | where ParentProcessName endswith "svchost.exe"
    | where CommandLine has_all ("-s", "-r")
    | extend newProcess = Process
    | extend timekey = bin(TimeGenerated, 1m)
    ) on $left.NewProcessId == $right.ProcessId, timekey, Computer  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Windows Security Events/Analytic Rules/SdeletedeployedviaGPOandrunrecursively.yaml
queryPeriod: 1d
status: Available
version: 1.0.1
tags:
- 
name: Sdelete deployed via GPO and run recursively
requiredDataConnectors:
- dataTypes:
  - SecurityEvent
  connectorId: SecurityEvents
- dataTypes:
  - SecurityEvent
  connectorId: WindowsSecurityEvents
triggerOperator: gt
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: Account
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: Computer
id: d9f28fdf-abc8-4f1a-a7e7-1aaec87a2fc5
description: |
    'This query looks for the Sdelete process being run recursively after being deployed to a host via GPO. Attackers could use this technique to deploy Sdelete to multiple host and delete data on them.'
triggerThreshold: 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/d9f28fdf-abc8-4f1a-a7e7-1aaec87a2fc5')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d9f28fdf-abc8-4f1a-a7e7-1aaec87a2fc5')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "Sdelete deployed via GPO and run recursively",
        "description": "'This query looks for the Sdelete process being run recursively after being deployed to a host via GPO. Attackers could use this technique to deploy Sdelete to multiple host and delete data on them.'\n",
        "severity": "Medium",
        "enabled": true,
        "query": "SecurityEvent\n  | where EventID == 4688\n  | where Process =~ \"svchost.exe\"\n  | where CommandLine has \"-k GPSvcGroup\" or CommandLine has \"-s gpsvc\"\n  | extend timekey = bin(TimeGenerated, 1m)\n  | project timekey, NewProcessId, Computer\n  | join kind=inner (SecurityEvent\n  | where EventID == 4688\n  | where Process =~ \"sdelete.exe\" or CommandLine has \"sdelete\"\n  | where ParentProcessName endswith \"svchost.exe\"\n  | where CommandLine has_all (\"-s\", \"-r\")\n  | extend newProcess = Process\n  | extend timekey = bin(TimeGenerated, 1m)\n  ) on $left.NewProcessId == $right.ProcessId, timekey, Computer\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact"
        ],
        "techniques": [
          "T1485"
        ],
        "alertRuleTemplateName": "d9f28fdf-abc8-4f1a-a7e7-1aaec87a2fc5",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "columnName": "Account",
                "identifier": "FullName"
              }
            ],
            "entityType": "Account"
          },
          {
            "fieldMappings": [
              {
                "columnName": "Computer",
                "identifier": "FullName"
              }
            ],
            "entityType": "Host"
          }
        ],
        "tags": [
          null
        ],
        "status": "Available",
        "templateVersion": "1.0.1",
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Windows Security Events/Analytic Rules/SdeletedeployedviaGPOandrunrecursively.yaml"
      }
    }
  ]
}