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
Scheduled Cron Task/Job - MacOs
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Scheduled Cron Task/Job - MacOs
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: Scheduled Cron Task/Job - MacOs
id: 7c3b43d8-d794-47d2-800a-d277715aa460
status: test
description: Detects abuse of the cron utility to perform task scheduling for initial or recurring execution of malicious code. Detection will focus on crontab jobs uploaded from the tmp folder.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1053.003/T1053.003.md
author: Alejandro Ortuno, oscd.community
date: 2020-10-06
modified: 2022-11-27
tags:
- attack.execution
- attack.persistence
- attack.privilege-escalation
- attack.t1053.003
logsource:
category: process_creation
product: macos
detection:
selection:
Image|endswith: '/crontab'
CommandLine|contains: '/tmp/'
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_schedule_task_job_cron.yml