Detection rules › Kusto
Four-Eyes Authorization Request Rejected
Detects when a four-eyes authorization request is rejected.
Rule body
id: dfd1d756-623d-4951-84a5-ce51f726d322
name: Four-Eyes Authorization Request Rejected
description: Detects when a four-eyes authorization request is rejected.
severity: Informational
status: Available
requiredDataConnectors:
- connectorId: Syslog
dataTypes:
- Syslog
- connectorId: SyslogAma
dataTypes:
- Syslog
queryFrequency: 1d
queryPeriod: 1d
triggerOperator: gt
triggerThreshold: 0
eventGroupingSettings:
aggregationKind: AlertPerResult
tactics: []
relevantTechniques: []
query: "Veeam_GetSecurityEvents\n| where instanceId == 42404\n| extend Operation =\
\ extract(\"Operation=\\\"([^\\\"]*)\\\"\", 1, SyslogMessage)\n| project\n Date\
\ = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),\n DataSource = original_host,\n\
\ EventId = instanceId,\n [\"User Name\"] = user,\n [\"Operation Name\"\
] = Operation,\n MessageDetails = Description,\n Severity = SeverityDescription"
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 == 42404
Stage 3: extend
| extend Operation = extract("Operation=\"([^\"]*)\"", 1, SyslogMessage)
Stage 4: project
| project
Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
DataSource = original_host,
EventId = instanceId,
["User Name"] = user,
["Operation Name"] = Operation,
MessageDetails = Description,
Severity = SeverityDescription
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
instanceId | eq |
| field:"instanceId" kind:eq value:"42404" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
DataSource | project |
Date | project |
EventId | project |
MessageDetails | project |
Operation Name | project |
Severity | project |
User Name | project |