Detection rules › Sigma

Role Assignment Created

Status
test
Severity
informational
Log source
product azure, service activitylogs
Author
Fukusuke Takahashi
Source
github.com/Yamato-Security/suzaku-rules

Creates role assignment.

MITRE ATT&CK coverage

TacticTechniques
Privilege EscalationNo specific technique

Event coverage

Rule body yaml

title: Role Assignment Created
id: c3425eff-76ea-42f5-8874-aeaa30d499fb
status: test
description:
    Creates role assignment.
references:
    - https://learn.microsoft.com/en-us/azure/role-based-access-control/change-history-report#interpret-a-log-entry
author: Fukusuke Takahashi
date: 2025-12-02
tags:
    - attack.privilege-escalation
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName: MICROSOFT.AUTHORIZATION/ROLEASSIGNMENTS/WRITE
        properties.statusCode: Created
    condition: selection
falsepositives:
level: informational

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    operationName: MICROSOFT.AUTHORIZATION/ROLEASSIGNMENTS/WRITE
    properties.statusCode: Created

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
operationNameeq
  • MICROSOFT.AUTHORIZATION/ROLEASSIGNMENTS/WRITE
properties.statusCodeeq
  • Created