CreepyDrive request URL sequence

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Id	eda260eb-f4a1-4379-ad98-452604da9b3e
Rulename	CreepyDrive request URL sequence
Description	CreepyDrive uses OneDrive for command and control, however, it makes regular requests to predicatable paths. This detecton will alert when over 20 sequences are observed in a single day.
Severity	High
Tactics	Exfiltration CommandAndControl
Techniques	T1567.002 T1102.002
Required data connectors	CheckPoint Fortinet PaloAltoNetworks Zscaler
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CommonSecurityLog/CreepyDriveRequestSequence.yaml
Version	1.0.1
Arm template	eda260eb-f4a1-4379-ad98-452604da9b3e.json

KQL

let eventsThreshold = 20;
CommonSecurityLog
| where isnotempty(RequestURL)
| project TimeGenerated, RequestURL, RequestMethod, SourceIP, SourceHostName
| evaluate sequence_detect(TimeGenerated, 5s, 8s, login=(RequestURL has "login.microsoftonline.com/consumers/oauth2/v2.0/token"), graph=(RequestURL has "graph.microsoft.com/v1.0/me/drive/"), SourceIP, SourceHostName)
| summarize Events=count() by SourceIP, SourceHostName
| where Events >= eventsThreshold

YAML

tags:
- POLONIUM
metadata:
  categories:
    domains:
    - Security - Others
  source:
    kind: Community
  support:
    tier: Community
  author:
    name: Thomas McElroy
version: 1.0.1
name: CreepyDrive request URL sequence
severity: High
queryFrequency: 1d
kind: Scheduled
queryPeriod: 1d
description: |
  'CreepyDrive uses OneDrive for command and control, however, it makes regular requests to predicatable paths.
  This detecton will alert when over 20 sequences are observed in a single day.'  
query: |
  let eventsThreshold = 20;
  CommonSecurityLog
  | where isnotempty(RequestURL)
  | project TimeGenerated, RequestURL, RequestMethod, SourceIP, SourceHostName
  | evaluate sequence_detect(TimeGenerated, 5s, 8s, login=(RequestURL has "login.microsoftonline.com/consumers/oauth2/v2.0/token"), graph=(RequestURL has "graph.microsoft.com/v1.0/me/drive/"), SourceIP, SourceHostName)
  | summarize Events=count() by SourceIP, SourceHostName
  | where Events >= eventsThreshold  
tactics:
- Exfiltration
- CommandAndControl
triggerOperator: gt
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: SourceIP
    identifier: Address
- entityType: Host
  fieldMappings:
  - columnName: SourceHostName
    identifier: HostName
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CommonSecurityLog/CreepyDriveRequestSequence.yaml
requiredDataConnectors:
- connectorId: Zscaler
  dataTypes:
  - CommonSecurityLog
- connectorId: Fortinet
  dataTypes:
  - CommonSecurityLog
- connectorId: CheckPoint
  dataTypes:
  - CommonSecurityLog
- connectorId: PaloAltoNetworks
  dataTypes:
  - CommonSecurityLog
relevantTechniques:
- T1567.002
- T1102.002
id: eda260eb-f4a1-4379-ad98-452604da9b3e

ARM

{
  "$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/eda260eb-f4a1-4379-ad98-452604da9b3e')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/eda260eb-f4a1-4379-ad98-452604da9b3e')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "CreepyDrive request URL sequence",
        "description": "'CreepyDrive uses OneDrive for command and control, however, it makes regular requests to predicatable paths.\nThis detecton will alert when over 20 sequences are observed in a single day.'\n",
        "severity": "High",
        "enabled": true,
        "query": "let eventsThreshold = 20;\nCommonSecurityLog\n| where isnotempty(RequestURL)\n| project TimeGenerated, RequestURL, RequestMethod, SourceIP, SourceHostName\n| evaluate sequence_detect(TimeGenerated, 5s, 8s, login=(RequestURL has \"login.microsoftonline.com/consumers/oauth2/v2.0/token\"), graph=(RequestURL has \"graph.microsoft.com/v1.0/me/drive/\"), SourceIP, SourceHostName)\n| summarize Events=count() by SourceIP, SourceHostName\n| where Events >= eventsThreshold\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration",
          "CommandAndControl"
        ],
        "techniques": [
          "T1567.002",
          "T1102.002"
        ],
        "alertRuleTemplateName": "eda260eb-f4a1-4379-ad98-452604da9b3e",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "columnName": "SourceIP",
                "identifier": "Address"
              }
            ],
            "entityType": "IP"
          },
          {
            "fieldMappings": [
              {
                "columnName": "SourceHostName",
                "identifier": "HostName"
              }
            ],
            "entityType": "Host"
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CommonSecurityLog/CreepyDriveRequestSequence.yaml",
        "templateVersion": "1.0.1",
        "tags": [
          "POLONIUM"
        ]
      }
    }
  ]
}