Tomcat - Request from localhost IP address

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Id	a45dd6ea-4874-11ec-81d3-0242ac130003
Rulename	Tomcat - Request from localhost IP address
Description	Detects request from localhost IP address.
Severity	Medium
Tactics	InitialAccess
Techniques	T1190 T1133
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/Tomcat/Analytic Rules/TomcatRequestFromLocalhostIP.yaml
Version	1.0.2
Arm template	a45dd6ea-4874-11ec-81d3-0242ac130003.json

KQL

TomcatEvent
| where SrcIpAddr == "127.0.0.1"
| extend File = extract(@'(.*\/)?(.*)', 2, tostring(UrlOriginal))
| extend IPCustomEntity = SrcIpAddr, FileCustomEntity = File

YAML

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatRequestFromLocalhostIP.yaml
queryFrequency: 1h
name: Tomcat - Request from localhost IP address
severity: Medium
triggerThreshold: 0
query: |
  TomcatEvent
  | where SrcIpAddr == "127.0.0.1"
  | extend File = extract(@'(.*\/)?(.*)', 2, tostring(UrlOriginal))
  | extend IPCustomEntity = SrcIpAddr, FileCustomEntity = File  
requiredDataConnectors:
- datatypes:
  - Tomcat_CL
  connectorId: CustomLogsAma
relevantTechniques:
- T1190
- T1133
status: Available
triggerOperator: gt
queryPeriod: 1h
description: |
    'Detects request from localhost IP address.'
id: a45dd6ea-4874-11ec-81d3-0242ac130003
version: 1.0.2
entityMappings:
- fieldMappings:
  - columnName: FileCustomEntity
    identifier: Name
  entityType: File
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
kind: Scheduled
tactics:
- InitialAccess

ARM