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

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Nohup Execution

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Nohup Execution

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: Nohup Execution
id: e4ffe466-6ff8-48d4-94bd-e32d1a6061e2
status: test
description: Detects usage of nohup which could be leveraged by an attacker to keep a process running or break out from restricted environments
references:
    - https://gtfobins.github.io/gtfobins/nohup/
    - https://en.wikipedia.org/wiki/Nohup
    - https://www.computerhope.com/unix/unohup.htm
author: 'Christopher Peacock @SecurePeacock, SCYTHE @scythe_io'
date: 2022-06-06
tags:
    - attack.execution
    - attack.t1059.004
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        Image|endswith: '/nohup'
    condition: selection
falsepositives:
    - Administrators or installed processes that leverage nohup
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/linux/process_creation/proc_creation_lnx_nohup.yml