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.
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
User Added To Admin Group Via Sysadminctl
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
User Added To Admin Group Via Sysadminctl
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: User Added To Admin Group Via Sysadminctl
id: 652c098d-dc11-4ba6-8566-c20e89042f2b
related:
- id: 0c1ffcf9-efa9-436e-ab68-23a9496ebf5b
type: obsolete
status: test
description: Detects attempts to create and add an account to the admin group via "sysadminctl"
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1078.003/T1078.003.md#atomic-test-3---create-local-account-with-admin-privileges-using-sysadminctl-utility---macos
- https://ss64.com/osx/sysadminctl.html
author: Sohan G (D4rkCiph3r)
date: 2023-03-19
tags:
- attack.persistence
- attack.defense-evasion
- attack.initial-access
- attack.privilege-escalation
- attack.t1078.003
logsource:
category: process_creation
product: macos
detection:
selection:
# Creates and adds new user to admin group
Image|endswith: '/sysadminctl'
CommandLine|contains|all:
- ' -addUser '
- ' -admin '
condition: selection
falsepositives:
- Legitimate administration activities
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/macos/process_creation/proc_creation_macos_sysadminctl_add_user_to_admin_group.yml