Detection rules › Kusto

Attempt to Update Security Object Failed

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

Detects failed attempts to update security objects in Veeam Backup & Replication. Security objects include users and roles, credential records, certificates, or passwords.

Rule body

id: 54c9a609-60db-47b0-82ee-86895c89bd89
name: Attempt to Update Security Object Failed
description: Detects failed attempts to update security objects in Veeam Backup &
  Replication. Security objects include users and roles, credential records, certificates,
  or passwords.
severity: High
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 == 41810\n| extend Endpoint =\
  \ extract(\"param2=\\\"([^\\\"]*)\\\"\", 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    [\"Endpoint\"] = Endpoint,\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 == 41810

Stage 3: extend

| extend Endpoint = extract("param2=\"([^\"]*)\"", 1, SyslogMessage)

Stage 4: project

| project
    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
    DataSource = original_host,
    EventId = instanceId,
    ["User Name"] = user,
    ["Endpoint"] = Endpoint,
    MessageDetails = Description,
   Severity = SeverityDescription

Indicators

These rows show field, operator, and value matches.

Output fields

These fields are emitted when the rule matches.

FieldSource
DataSourceproject
Dateproject
Endpointproject
EventIdproject
MessageDetailsproject
Severityproject
User Nameproject