Detection rules › Kusto
Malware Detection Exclusions List Updated
Detects when malware detection exclusions are updated. This might indicate potential compromise of backup data.
Rule body
id: 401e91cb-b53f-41a5-b066-1c028b3b51db
name: Malware Detection Exclusions List Updated
description: Detects when malware detection exclusions are updated. This might indicate
potential compromise of backup data.
severity: Medium
status: Available
requiredDataConnectors:
- connectorId: Syslog
dataTypes:
- Syslog
- connectorId: SyslogAma
dataTypes:
- Syslog
queryFrequency: 5m
queryPeriod: 5m
triggerOperator: gt
triggerThreshold: 0
eventGroupingSettings:
aggregationKind: AlertPerResult
tactics: []
relevantTechniques: []
query: "Veeam_GetSecurityEvents\n| where instanceId == 42280\n| project\n Date =\
\ format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),\n DataSource = original_host,\n\
\ EventId = instanceId,\n UserName = user,\n MessageDetails = Description,\n\
\ Severity = SeverityDescription\n| project Date, DataSource, EventId, UserName,MessageDetails,Severity"
version: 1.0.1
kind: Scheduled
customDetails:
Date: Date
VbrHostName: DataSource
EventId: EventId
MessageDetails: MessageDetails
Severity: Severity
Stages and Predicates
Stage 1: source
Veeam_GetSecurityEvents
Stage 2: where
| where instanceId == 42280
Stage 3: project
| project
Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
DataSource = original_host,
EventId = instanceId,
UserName = user,
MessageDetails = Description,
Severity = SeverityDescription
Stage 4: project
| project Date, DataSource, EventId, UserName,MessageDetails,Severity
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
instanceId | eq |
| field:"instanceId" kind:eq value:"42280" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
DataSource | project |
Date | project |
EventId | project |
MessageDetails | project |
Severity | project |
UserName | project |