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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Group Has Been Deleted Via Groupdel
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Group Has Been Deleted Via Groupdel
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Group Has Been Deleted Via Groupdel
id: 8a46f16c-8c4c-82d1-b121-0fdd3ba70a84
status: test
description: Detects execution of the "groupdel" binary. Which is used to delete a group. This is sometimes abused by threat actors in order to cover their tracks
references:
- https://linuxize.com/post/how-to-delete-group-in-linux/
- https://www.cyberciti.biz/faq/linux-remove-user-command/
- https://www.cybrary.it/blog/0p3n/linux-commands-used-attackers/
- https://linux.die.net/man/8/groupdel
author: Tuan Le (NCSGroup)
date: 2022-12-26
tags:
- attack.impact
- attack.t1531
logsource:
product: linux
category: process_creation
detection:
selection:
Image|endswith: '/groupdel'
condition: selection
falsepositives:
- Legitimate administrator activities
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/linux/process_creation/proc_creation_lnx_groupdel.yml