Apache - Request to sensitive files

Back


Id	d1c52578-3afc-11ec-8d3d-0242ac130003
Rulename	Apache - Request to sensitive files
Description	Detects request to sensitive files.
Severity	Medium
Tactics	InitialAccess
Techniques	T1189
Required data connectors	CustomLogsAma
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ApacheHTTPServer/Analytic Rules/ApacheRequestToSensitiveFiles.yaml
Version	1.0.2
Arm template	d1c52578-3afc-11ec-8d3d-0242ac130003.json

KQL

let forbidden_files = dynamic(['shadow', 'passwd', 'id_rsa']);
ApacheHTTPServer
| where isnotempty(UrlOriginal)
| extend File = extract(@'(.*\/)?(.*)', 2, tostring(UrlOriginal))
| where File in~ (forbidden_files)
| extend FileCustomEntity = File, UrlCustomEntity = UrlOriginal

YAML

name: Apache - Request to sensitive files
relevantTechniques:
- T1189
id: d1c52578-3afc-11ec-8d3d-0242ac130003
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ApacheHTTPServer/Analytic Rules/ApacheRequestToSensitiveFiles.yaml
requiredDataConnectors:
- datatypes:
  - ApacheHTTPServer_CL
  connectorId: CustomLogsAma
version: 1.0.2
severity: Medium
triggerThreshold: 0
queryPeriod: 1h
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: FileCustomEntity
  entityType: File
- fieldMappings:
  - identifier: Url
    columnName: UrlCustomEntity
  entityType: URL
queryFrequency: 1h
status: Available
query: |
  let forbidden_files = dynamic(['shadow', 'passwd', 'id_rsa']);
  ApacheHTTPServer
  | where isnotempty(UrlOriginal)
  | extend File = extract(@'(.*\/)?(.*)', 2, tostring(UrlOriginal))
  | where File in~ (forbidden_files)
  | extend FileCustomEntity = File, UrlCustomEntity = UrlOriginal  
tactics:
- InitialAccess
kind: Scheduled
description: |
    'Detects request to sensitive files.'
triggerOperator: gt

ARM