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
PUA - Nimgrab Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
PUA - Nimgrab 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: PUA - Nimgrab Execution
id: 74a12f18-505c-4114-8d0b-8448dd5485c6
status: test
description: Detects the usage of nimgrab, a tool bundled with the Nim programming framework and used for downloading files.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/28d190330fe44de6ff4767fc400cc10fa7cd6540/atomics/T1105/T1105.md
author: frack113
date: 2022-08-28
modified: 2024-11-23
tags:
- attack.command-and-control
- attack.t1105
logsource:
category: process_creation
product: windows
detection:
selection_name:
Image|endswith: '\nimgrab.exe'
selection_hashes:
Hashes|contains:
- MD5=2DD44C3C29D667F5C0EF5F9D7C7FFB8B
- SHA256=F266609E91985F0FE3E31C5E8FAEEEC4FFA5E0322D8B6F15FE69F4C5165B9559
- IMPHASH=C07FDDD21D123EA9B3A08EEF44AAAC45
condition: 1 of selection_*
falsepositives:
- Legitimate use of Nim on a developer systems
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_pua_nimgrab.yml