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
Uncommon FileSystem Load Attempt By Format.com
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Uncommon FileSystem Load Attempt By Format.com
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: Uncommon FileSystem Load Attempt By Format.com
id: 9fb6b26e-7f9e-4517-a48b-8cac4a1b6c60
status: test
description: |
Detects the execution of format.com with an uncommon filesystem selection that could indicate a defense evasion activity in which "format.com" is used to load malicious DLL files or other programs.
references:
- https://twitter.com/0gtweet/status/1477925112561209344
- https://twitter.com/wdormann/status/1478011052130459653?s=20
author: Florian Roth (Nextron Systems)
date: 2022-01-04
modified: 2024-05-13
tags:
- attack.defense-evasion
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\format.com'
CommandLine|contains: '/fs:'
filter_main_known_fs:
CommandLine|contains:
- '/fs:exFAT'
- '/fs:FAT'
- '/fs:NTFS'
- '/fs:ReFS'
- '/fs:UDF'
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_format_uncommon_filesystem_load.yml