RunningRAT request parameters

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Id	baedfdf4-7cc8-45a1-81a9-065821628b83
Rulename	RunningRAT request parameters
Description	This detection will alert when RunningRAT URI parameters or paths are detect in an HTTP request. Id the device blocked this communication presence of this alert means the RunningRAT implant is likely still executing on the source host.
Severity	High
Tactics	Exfiltration CommandAndControl
Techniques	T1041 T1071.001
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/CreepySnailURLParameters.yaml
Version	1.0.2
Arm template	baedfdf4-7cc8-45a1-81a9-065821628b83.json

KQL

let runningRAT_parameters = dynamic(['/ui/chk', 'mactok=', 'UsRnMe=', 'IlocalP=', 'kMnD=']);
CommonSecurityLog
| where RequestMethod == "GET"
| project TimeGenerated, DeviceVendor, DeviceProduct, DeviceAction, DestinationDnsDomain, DestinationIP, RequestURL, SourceIP, SourceHostName, RequestClientApplication
| where RequestURL has_any (runningRAT_parameters)

YAML

id: baedfdf4-7cc8-45a1-81a9-065821628b83
tags:
- POLONIUM
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CommonSecurityLog/CreepySnailURLParameters.yaml
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: SourceIP
  entityType: IP
- fieldMappings:
  - identifier: Address
    columnName: DestinationIP
  entityType: IP
- fieldMappings:
  - identifier: HostName
    columnName: SourceHostName
  entityType: Host
- fieldMappings:
  - identifier: Url
    columnName: RequestURL
  entityType: URL
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 runningRAT_parameters = dynamic(['/ui/chk', 'mactok=', 'UsRnMe=', 'IlocalP=', 'kMnD=']);
  CommonSecurityLog
  | where RequestMethod == "GET"
  | project TimeGenerated, DeviceVendor, DeviceProduct, DeviceAction, DestinationDnsDomain, DestinationIP, RequestURL, SourceIP, SourceHostName, RequestClientApplication
  | where RequestURL has_any (runningRAT_parameters)  
name: RunningRAT request parameters
kind: Scheduled
tactics:
- Exfiltration
- CommandAndControl
severity: High
relevantTechniques:
- T1041
- T1071.001
version: 1.0.2
description: |
  'This detection will alert when RunningRAT URI parameters or paths are detect in an HTTP request.
  Id the device blocked this communication presence of this alert means the RunningRAT implant is likely still executing on the source host.'

ARM