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
Greedy File Deletion Using Del
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Greedy File Deletion Using Del
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: Greedy File Deletion Using Del
id: 204b17ae-4007-471b-917b-b917b315c5db
status: test
description: Detects execution of the "del" builtin command to remove files using greedy/wildcard expression. This is often used by malware to delete content of folders that perhaps contains the initial malware infection or to delete evidence.
references:
- https://www.joesandbox.com/analysis/509330/0/html#1044F3BDBE3BB6F734E357235F4D5898582D
- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/erase
author: frack113 , X__Junior (Nextron Systems)
date: 2021-12-02
modified: 2023-09-11
tags:
- attack.defense-evasion
- attack.t1070.004
logsource:
category: process_creation
product: windows
detection:
# Example:
# del C:\ProgramData\*.dll & exit
selection_img:
- Image|endswith: '\cmd.exe'
- OriginalFileName: 'Cmd.Exe'
selection_del:
CommandLine|contains:
- 'del '
- 'erase '
selection_extensions:
CommandLine|contains:
- '\\\*.au3'
- '\\\*.dll'
- '\\\*.exe'
- '\\\*.js'
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_cmd_del_greedy_deletion.yml