Detection rules › Kusto

CyberArkEPM - Attack attempt not blocked

Severity
high
Time window
10m
Source
github.com/Azure/Azure-Sentinel

'This rule triggers on attack attempt which was not blocked by CyberArkEPM.'

MITRE ATT&CK coverage

TacticTechniques
Execution

Rule body

id: 8e8978a2-9188-4187-8909-5ea00507bf16
name: CyberArkEPM - Attack attempt not blocked
description: |
  'This rule triggers on attack attempt which was not blocked by CyberArkEPM.'
severity: High
requiredDataConnectors:
  - connectorId: CyberArkEPM
    dataTypes:
      - CyberArkEPM
queryFrequency: 10m
queryPeriod: 10m
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Execution
relevantTechniques:
  - T1204
query: | 
  CyberArkEPM
  | where EventSubType =~ 'AttackAttempt'
  | where ThreatProtectionAction =~ 'Detect'
  | project EventEndTime, EventMessage, ActorUsername, ActingProcessFileInternalName, Evidences
  | extend AccountCustomEntity = ActorUsername
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: Name
        columnName: AccountCustomEntity
version: 1.0.0
kind: Scheduled

Stages and Predicates

Stage 1: source

CyberArkEPM

Stage 2: where

| where EventSubType =~ 'AttackAttempt'

Stage 3: where

| where ThreatProtectionAction =~ 'Detect'

Stage 4: project

| project EventEndTime, EventMessage, ActorUsername, ActingProcessFileInternalName, Evidences

Stage 5: extend

| extend AccountCustomEntity = ActorUsername

Indicators

These rows show field, operator, and value matches.

Output fields

These fields are emitted when the rule matches.

FieldSource
ActingProcessFileInternalNameproject
ActorUsernameproject
EventEndTimeproject
EventMessageproject
Evidencesproject
AccountCustomEntityextend