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
File Decryption Using Gpg4win
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
File Decryption Using Gpg4win
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: File Decryption Using Gpg4win
id: 037dcd71-33a8-4392-bb01-293c94663e5a
status: test
description: Detects usage of Gpg4win to decrypt files
references:
- https://blogs.vmware.com/security/2022/11/batloader-the-evasive-downloader-malware.html
- https://www.gpg4win.de/documentation.html
- https://news.sophos.com/en-us/2022/01/19/zloader-installs-remote-access-backdoors-and-delivers-cobalt-strike/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-08-09
tags:
- attack.execution
logsource:
category: process_creation
product: windows
detection:
selection_metadata:
- Image|endswith:
- '\gpg.exe'
- '\gpg2.exe'
- Description: 'GnuPG’s OpenPGP tool'
selection_cli:
CommandLine|contains|all:
- ' -d '
- 'passphrase'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
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_gpg4win_decryption.yml