Detection rules › Kusto
ApexOne - Inbound remote access connection
'Detects inbound remote access connection.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Lateral Movement |
Rule body
id: 6303235a-ee70-42a4-b969-43e7b969b916
name: ApexOne - Inbound remote access connection
description: |
'Detects inbound remote access connection.'
severity: High
status: Available
requiredDataConnectors:
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- LateralMovement
relevantTechniques:
- T1021
query: |
TMApexOneEvent
| where EventSubType has "WB"
| where NetworkDirection == 1
| where ApplicationProtocol in ('15', '17', '20', '22', '23', '27', '36', '37')
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
version: 1.0.3
kind: Scheduled
Stages and Predicates
Stage 1: source
TMApexOneEvent
Stage 2: where
| where EventSubType has "WB"
Stage 3: where
| where NetworkDirection == 1
Stage 4: where
| where ApplicationProtocol in ('15', '17', '20', '22', '23', '27', '36', '37')
Stage 5: extend
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ApplicationProtocol | in |
| field:"ApplicationProtocol" kind:in |
EventSubType | match |
| field:"EventSubType" kind:match value:"WB" |
NetworkDirection | eq |
| field:"NetworkDirection" kind:eq value:"1" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
AccountCustomEntity | extend |
IPCustomEntity | extend |