Rule body
id: 40b8e739-1077-42d8-9501-b68736c2c4d2
name: SSH Credentials Changed
description: Detects when SSH credentials are updated.
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 == 31900\n| extend RelatedCredsName\
\ = extract(\"RelatedCredsName=\\\"([^\\\"]*)\\\"\", 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 \
\ [\"Credential Record\"] = RelatedCredsName,\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 == 31900
Stage 3: extend
| extend RelatedCredsName = extract("RelatedCredsName=\"([^\"]*)\"", 1, SyslogMessage)
Stage 4: project
| project
Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
DataSource = original_host,
EventId = instanceId,
["User Name"] = user,
["Credential Record"] = RelatedCredsName,
MessageDetails = Description,
Severity = SeverityDescription
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
instanceId | eq |
| field:"instanceId" kind:eq value:"31900" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
Credential Record | project |
DataSource | project |
Date | project |
EventId | project |
MessageDetails | project |
Severity | project |
User Name | project |