detection.wiki

Detection rules › Sigma

Azure New CloudShell Created

Status
test
Severity
medium
Log source
product azure, service activitylogs
Author
Austin Songer
Source
github.com/SigmaHQ/sigma

Identifies when a new cloudshell is created inside of Azure portal.

Known false positives

  • A new cloudshell may be created by a system administrator.

MITRE ATT&CK coverage

TacticTechniques
Execution

Telemetry coverage

PlatformRecord / event type
AzureActivity Log event Microsoft.Portal/consoles/write: Create or update a Cloud Shell instance.

Rule body

title: Azure New CloudShell Created
id: 72af37e2-ec32-47dc-992b-bc288a2708cb
status: test
description: Identifies when a new cloudshell is created inside of Azure portal.
references:
    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
author: Austin Songer
date: 2021-09-21
modified: 2022-08-23
tags:
    - attack.execution
    - attack.t1059
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName: MICROSOFT.PORTAL/CONSOLES/WRITE
    condition: selection
falsepositives:
    - A new cloudshell may be created by a system administrator.
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    operationName: MICROSOFT.PORTAL/CONSOLES/WRITE

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
operationNameeq
  • MICROSOFT.PORTAL/CONSOLES/WRITE
field:"operationName" kind:eq value:"MICROSOFT.PORTAL/CONSOLES/WRITE"