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Phoenix Studio

Convert indexed Sigma rules into analyst-ready detections.

This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.

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Indexed Rules

3,707

Ready to search

Backends

17

Live from sigconverter.io

CLI Versions

10

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Multi Factor Authentication Disabled For User Account

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Multi Factor Authentication Disabled For User Account

Using Splunk · Default · sigma-cli 2.0.2

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.2
title: Multi Factor Authentication Disabled For User Account
id: b18454c8-0be3-41f7-86bc-9c614611b839
status: test
description: |
    Detects changes to the "StrongAuthenticationRequirement" value, where the state is set to "0" or "Disabled".
    Threat actors were seen disabling multi factor authentication for users in order to maintain or achieve access to the account. Also see in SIM Swap attacks.
references:
    - https://www.sans.org/blog/defending-against-scattered-spider-and-the-com-with-cybercrime-intelligence/
author: Harjot Singh (@cyb3rjy0t)
date: 2024-08-21
tags:
    - attack.credential-access
    - attack.persistence
logsource:
    product: azure
    service: auditlogs
    definition: 'Requirements: The TargetResources array needs to be mapped accurately in order for this rule to work'
detection:
    selection:
        LoggedByService: 'Core Directory'
        Category: 'UserManagement'
        OperationName: 'Update user'
        TargetResources.ModifiedProperties.DisplayName: 'StrongAuthenticationRequirement'
        TargetResources.ModifiedProperties.NewValue|contains: "State\":0"
    condition: selection
falsepositives:
    - Legitimate authorized activity.
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/cloud/azure/audit_logs/azure_user_account_mfa_disable.yml