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
Chmod Suspicious Directory
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Chmod Suspicious Directory
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: Chmod Suspicious Directory
id: 6419afd1-3742-47a5-a7e6-b50386cd15f8
status: test
description: Detects chmod targeting files in abnormal directory paths.
references:
- https://www.intezer.com/blog/malware-analysis/new-backdoor-sysjoker/
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1222.002/T1222.002.md
author: 'Christopher Peacock @SecurePeacock, SCYTHE @scythe_io'
date: 2022-06-03
tags:
- attack.defense-evasion
- attack.t1222.002
logsource:
product: linux
category: process_creation
detection:
selection:
Image|endswith: '/chmod'
CommandLine|contains:
- '/tmp/'
- '/.Library/'
- '/etc/'
- '/opt/'
condition: selection
falsepositives:
- Admin changing file permissions.
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_chmod_directories.yml