Detection rules › Kusto

Web sites blocked by Eset

Status
available
Severity
low
Time window
5m
Source
github.com/Azure/Azure-Sentinel

'Create alert on web sites blocked by Eset.'

MITRE ATT&CK coverage

Rule body

id: 84ad2f8a-b64c-49bc-b669-bdb4fd3071e9
name: Web sites blocked by Eset
description: |
  'Create alert on web sites blocked by Eset.'
severity: Low
status: Available
requiredDataConnectors:
  - connectorId: EsetSMC
    dataTypes:
      - eset_CL
queryFrequency: 5m
queryPeriod: 5m
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Exfiltration
  - CommandAndControl
  - InitialAccess
relevantTechniques:
  - T1189
  - T1567
  - T1071.001
query: |
  eset_CL
  | where event_type_s == 'FilteredWebsites_Event'
  | extend AccountCustomEntity = username_s, URLCustomEntity = object_uri_s, HostCustomEntity = hostname_s, IPCustomEntity = ipv4_s
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: AccountCustomEntity
  - entityType: Host
    fieldMappings:
      - identifier: FullName
        columnName: HostCustomEntity
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: IPCustomEntity
  - entityType: URL
    fieldMappings:
      - identifier: Url
        columnName: URLCustomEntity
version: 1.0.1
kind: Scheduled

Stages and Predicates

Stage 1: source

eset_CL

Stage 2: where

| where event_type_s == 'FilteredWebsites_Event'

Stage 3: extend

| extend AccountCustomEntity = username_s, URLCustomEntity = object_uri_s, HostCustomEntity = hostname_s, IPCustomEntity = ipv4_s

Indicators

These rows show field, operator, and value matches.

Output fields

These fields are emitted when the rule matches.

FieldSource
AccountCustomEntityextend
HostCustomEntityextend
IPCustomEntityextend
URLCustomEntityextend