Granting Of Permissions To An Account — 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: e8729d09e9d98fb5788b7b1602bf71a6b750a86a8f91daa84bbfaa5ebb5127d4

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: Granting Of Permissions To An Account
id: a622fcd2-4b5a-436a-b8a2-a4171161833c
status: test
description: Identifies IPs from which users grant access to other users on azure resources and alerts when a previously unseen source IP address is used.
references:
    - https://github.com/Azure/Azure-Sentinel/blob/e534407884b1ec5371efc9f76ead282176c9e8bb/Detections/AzureActivity/Granting_Permissions_To_Account_detection.yaml
author: sawwinnnaung
date: 2020-05-07
modified: 2023-10-11
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1098.003
logsource:
    product: azure
    service: activitylogs
detection:
    keywords:
        - Microsoft.Authorization/roleAssignments/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/Granting_Permissions_To_Account_detection.yaml