Detection rules › Kusto
Digital Guardian - Multiple incidents from user
'Detects multiple incidents from user.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Exfiltration |
Rule body
id: e8901dac-2549-4948-b793-5197a5ed697a
name: Digital Guardian - Multiple incidents from user
description: |
'Detects multiple incidents from user.'
severity: High
status: Available
requiredDataConnectors:
- connectorId: SyslogAma
datatypes:
- Syslog
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- Exfiltration
relevantTechniques:
- T1048
query: |
let threshold = 2;
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| summarize count() by SrcUserName, bin(TimeGenerated, 30m)
| where count_ >= threshold
| extend AccountCustomEntity = SrcUserName
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
version: 1.0.2
kind: Scheduled
Stages and Predicates
Parameters
let threshold = 2;
Stage 1: source
DigitalGuardianDLPEvent
Stage 2: where
| where isnotempty(MatchedPolicies)
Stage 3: summarize
| summarize count() by SrcUserName, bin(TimeGenerated, 30m)
Stage 4: where
| where count_ >= threshold
Stage 5: extend
| extend AccountCustomEntity = SrcUserName
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
MatchedPolicies | is_not_null | field:"MatchedPolicies" kind:is_not_null | |
count_ | ge |
| field:"count_" kind:ge value:"2" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
SrcUserName | summarize |
AccountCustomEntity | extend |