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
Lace Tempest PowerShell Evidence Eraser
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Lace Tempest PowerShell Evidence Eraser
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: Lace Tempest PowerShell Evidence Eraser
id: b377ddab-502d-4519-9e8c-5590033d2d70
status: test
description: |
Detects a PowerShell script used by Lace Tempest APT to erase evidence from victim servers by exploiting CVE-2023-47246 as reported by SysAid Team
references:
- https://www.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-11-09
tags:
- attack.execution
- attack.t1059.001
- detection.emerging-threats
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection:
ScriptBlockText|contains|all:
- 'cleanLL'
- 'usersfiles.war'
- 'Remove-Item -Path "$tomcat_dir'
- 'SysAidServer'
- 'sleep '
- 'while(1)'
condition: selection
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/TA/Lace-Tempest/posh_ps_apt_lace_tempest_eraser_script.yml