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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
NtdllPipe Like Activity Execution
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
NtdllPipe Like Activity Execution
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: NtdllPipe Like Activity Execution
id: bbc865e4-7fcd-45a6-8ff1-95ced28ec5b2
status: test
description: Detects command that type the content of ntdll.dll to a different file or a pipe in order to evade AV / EDR detection. As seen being used in the POC NtdllPipe
references:
- https://web.archive.org/web/20220306121156/https://www.x86matthew.com/view_post?id=ntdll_pipe
author: Florian Roth (Nextron Systems)
date: 2022-03-05
modified: 2023-03-07
tags:
- attack.defense-evasion
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'type %windir%\system32\ntdll.dll'
- 'type %systemroot%\system32\ntdll.dll'
- 'type c:\windows\system32\ntdll.dll'
- '\\ntdll.dll > \\\\.\\pipe\\'
condition: selection
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_cmd_ntdllpipe_redirect.yml