Number Of Resource Creation Or Deployment Activities — Sigma Rule

Rule metadata and linked tags

Author: sawwinnnaung. Source status: test; severity: medium. Source dates: 2020-05-07 / 2023-10-11.

{
  "product": "azure",
  "service": "activitylogs"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 70cc765e5447d30f3301deac11daf77f81f34b1683c1cce1f5ac295bfcc06b52

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Number Of Resource Creation Or Deployment Activities
id: d2d901db-7a75-45a1-bc39-0cbf00812192
status: test
description: Number of VM creations or deployment activities occur in Azure via the azureactivity log.
references:
    - https://github.com/Azure/Azure-Sentinel/blob/e534407884b1ec5371efc9f76ead282176c9e8bb/Detections/AzureActivity/Creating_Anomalous_Number_Of_Resources_detection.yaml
author: sawwinnnaung
date: 2020-05-07
modified: 2023-10-11
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1098
logsource:
    product: azure
    service: activitylogs
detection:
    keywords:
        - Microsoft.Compute/virtualMachines/write
        - Microsoft.Resources/deployments/write
    condition: keywords
falsepositives:
    - Valid change
level: medium

Original YAML and metadata in JSON

False positives

• Valid change

Source references

• https://github.com/Azure/Azure-Sentinel/blob/e534407884b1ec5371efc9f76ead282176c9e8bb/Detections/AzureActivity/Creating_Anomalous_Number_Of_Resources_detection.yaml