Detection rules › Kusto
Digital Guardian - Sensitive data transfer over insecure channel
'Detects sensitive data transfer over insecure channel.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Exfiltration |
Rule body
id: b52cda18-c1af-40e5-91f3-1fcbf9fa267e
name: Digital Guardian - Sensitive data transfer over insecure channel
description: |
'Detects sensitive data transfer over insecure channel.'
severity: Medium
status: Available
requiredDataConnectors:
- connectorId: SyslogAma
datatypes:
- Syslog
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- Exfiltration
relevantTechniques:
- T1048
query: |
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| where isnotempty(inspected_document)
| where NetworkApplicationProtocol =~ 'HTTP'
| extend AccountCustomEntity = SrcUserName, IPCustomEntity = SrcIpAddr
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
version: 1.0.2
kind: Scheduled
Stages and Predicates
Stage 1: source
DigitalGuardianDLPEvent
Stage 2: where
| where isnotempty(MatchedPolicies)
Stage 3: where
| where isnotempty(inspected_document)
Stage 4: where
| where NetworkApplicationProtocol =~ 'HTTP'
Stage 5: extend
| extend AccountCustomEntity = SrcUserName, IPCustomEntity = SrcIpAddr
Indicators
These rows show field, operator, and value matches.
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
AccountCustomEntity | extend |
IPCustomEntity | extend |