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
Linux Shell Pipe to Shell
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Linux Shell Pipe to Shell
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: Linux Shell Pipe to Shell
id: 880973f3-9708-491c-a77b-2a35a1921158
status: test
description: Detects suspicious process command line that starts with a shell that executes something and finally gets piped into another shell
references:
- Internal Research
author: Florian Roth (Nextron Systems)
date: 2022-03-14
modified: 2022-07-26
tags:
- attack.defense-evasion
- attack.t1140
logsource:
product: linux
category: process_creation
detection:
selection:
CommandLine|startswith:
- 'sh -c '
- 'bash -c '
selection_exec:
- CommandLine|contains:
- '| bash '
- '| sh '
- '|bash '
- '|sh '
- CommandLine|endswith:
- '| bash'
- '| sh'
- '|bash'
- ' |sh'
condition: all of selection*
falsepositives:
- Legitimate software that uses these patterns
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_susp_pipe_shell.yml