Detection rules › Kusto
Trend Micro CAS - Infected user
'Detects when malware was detected for user account.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access |
Rule body
id: 3649dfb8-a5ca-47dd-8965-cd2f633ca533
name: Trend Micro CAS - Infected user
description: |
'Detects when malware was detected for user account.'
severity: High
status: Available
requiredDataConnectors:
- connectorId: TrendMicroCAS
dataTypes:
- TrendMicroCAS
queryFrequency: 10m
queryPeriod: 10m
triggerOperator: gt
triggerThreshold: 0
tactics:
- InitialAccess
relevantTechniques:
- T1566
query: |
TrendMicroCAS
| where EventType has_all ('virtual', 'analyzer')
| where isnotempty(VirusName)
| extend AccountCustomEntity = DstUserName, MalwareCustomEntity = VirusName
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
- entityType: Malware
fieldMappings:
- identifier: Name
columnName: MalwareCustomEntity
version: 1.0.1
kind: Scheduled
Stages and Predicates
Stage 1: source
TrendMicroCAS
Stage 2: where
| where EventType has_all ('virtual', 'analyzer')
Stage 3: where
| where isnotempty(VirusName)
Stage 4: extend
| extend AccountCustomEntity = DstUserName, MalwareCustomEntity = VirusName
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
EventType | match |
| field:"EventType" kind:match |
VirusName | is_not_null | field:"VirusName" kind:is_not_null |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
AccountCustomEntity | extend |
MalwareCustomEntity | extend |