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
Renamed NirCmd.EXE Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Renamed NirCmd.EXE Execution
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: Renamed NirCmd.EXE Execution
id: 264982dc-dbad-4dce-b707-1e0d3e0f73d9
status: test
description: Detects the execution of a renamed "NirCmd.exe" binary based on the PE metadata fields.
references:
- https://www.microsoft.com/en-us/security/blog/2024/01/17/new-ttps-observed-in-mint-sandstorm-campaign-targeting-high-profile-individuals-at-universities-and-research-orgs/
- https://www.nirsoft.net/utils/nircmd.html
author: X__Junior (Nextron Systems)
date: 2024-03-11
tags:
- attack.execution
- attack.t1059
- attack.defense-evasion
- attack.t1202
logsource:
category: process_creation
product: windows
detection:
selection:
OriginalFileName: 'NirCmd.exe'
filter_main_img:
Image|endswith:
- '\nircmd.exe'
- '\nircmdc.exe'
condition: selection and not 1 of filter_main_*
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_renamed_nircmd.yml