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
Overwriting the File with Dev Zero or Null
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Overwriting the File with Dev Zero or Null
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: Overwriting the File with Dev Zero or Null
id: 37222991-11e9-4b6d-8bdf-60fbe48f753e
status: stable
description: Detects overwriting (effectively wiping/deleting) of a file.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1485/T1485.md
author: Jakob Weinzettl, oscd.community
date: 2019-10-23
tags:
- attack.impact
- attack.t1485
logsource:
product: linux
service: auditd
detection:
selection:
type: 'EXECVE'
a0|contains: 'dd'
a1|contains:
- 'if=/dev/null'
- 'if=/dev/zero'
condition: selection
falsepositives:
- Appending null bytes to files.
- Legitimate overwrite of files.
level: low
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/linux/auditd/execve/lnx_auditd_dd_delete_file.yml