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

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

ARM