Detection rules › Kusto
ApexOne - Suspicious commandline arguments
'Detects suspicious commandline arguments.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution |
Rule body
id: 4d7199b2-67b8-11ec-90d6-0242ac120003
name: ApexOne - Suspicious commandline arguments
description: |
'Detects suspicious commandline arguments.'
severity: High
status: Available
requiredDataConnectors:
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- Execution
relevantTechniques:
- T1059
query: |
TMApexOneEvent
| where EventMessage has "Endpoint Application"
| where Command has_any ("whoami", "dpkg", "useradd", "sudo")
| 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 EventMessage has "Endpoint Application"
Stage 3: where
| where Command has_any ("whoami", "dpkg", "useradd", "sudo")
Stage 4: extend
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Command | match |
| field:"Command" kind:match |
EventMessage | match |
| field:"EventMessage" kind:match value:"Endpoint Application" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
AccountCustomEntity | extend |
IPCustomEntity | extend |