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

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

ARM