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

id: eda260eb-f4a1-4379-ad98-452604da9b3e
tags:
- POLONIUM
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CommonSecurityLog/CreepyDriveRequestSequence.yaml
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: SourceIP
  entityType: IP
- fieldMappings:
  - identifier: HostName
    columnName: SourceHostName
  entityType: Host
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: Zscaler
- dataTypes:
  - CommonSecurityLog
  connectorId: Fortinet
- dataTypes:
  - CommonSecurityLog
  connectorId: CheckPoint
- dataTypes:
  - CommonSecurityLog
  connectorId: PaloAltoNetworks
queryFrequency: 1d
metadata:
  categories:
    domains:
    - Security - Others
  support:
    tier: Community
  source:
    kind: Community
  author:
    name: Thomas McElroy
queryPeriod: 1d
triggerThreshold: 0
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  
name: CreepyDrive request URL sequence
kind: Scheduled
tactics:
- Exfiltration
- CommandAndControl
severity: High
relevantTechniques:
- T1567.002
- T1102.002
version: 1.0.1
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.'

ARM