Tomcat - Put file and get file from same IP address

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Id	103d5ada-4874-11ec-81d3-0242ac130003
Rulename	Tomcat - Put file and get file from same IP address
Description	Detects put or get files from one source in short timeframe'
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/TomcatPutAndGetFileFromSameIP.yaml
Version	1.0.2
Arm template	103d5ada-4874-11ec-81d3-0242ac130003.json

KQL

let p = TomcatEvent
| where HttpRequestMethod in~ ('POST', 'PUT')
| sort by EventStartTime asc
| summarize post_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal);
TomcatEvent
| where HttpRequestMethod =~ 'GET'
| sort by EventStartTime asc
| summarize get_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal)
| join kind=innerunique (p) on UrlOriginal, SrcIpAddr
| extend second = datetime_diff('second',get_time,post_time)
| where second between (1 .. 300)
| project second, post_time, get_time, SrcIpAddr, UrlOriginal
| extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = tostring(UrlOriginal)

YAML

queryFrequency: 1h
requiredDataConnectors:
- connectorId: CustomLogsAma
  datatypes:
  - Tomcat_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml
name: Tomcat - Put file and get file from same IP address
description: |
    'Detects put or get files from one source in short timeframe' 
severity: Medium
status: Available
kind: Scheduled
triggerThreshold: 0
version: 1.0.2
relevantTechniques:
- T1190
- T1133
id: 103d5ada-4874-11ec-81d3-0242ac130003
triggerOperator: gt
queryPeriod: 1h
tactics:
- InitialAccess
query: |
  let p = TomcatEvent
  | where HttpRequestMethod in~ ('POST', 'PUT')
  | sort by EventStartTime asc
  | summarize post_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal);
  TomcatEvent
  | where HttpRequestMethod =~ 'GET'
  | sort by EventStartTime asc
  | summarize get_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal)
  | join kind=innerunique (p) on UrlOriginal, SrcIpAddr
  | extend second = datetime_diff('second',get_time,post_time)
  | where second between (1 .. 300)
  | project second, post_time, get_time, SrcIpAddr, UrlOriginal
  | extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = tostring(UrlOriginal)  
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
- fieldMappings:
  - identifier: Url
    columnName: UrlCustomEntity
  entityType: URL

ARM