Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,731
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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
Linux Logs Clearing Attempts
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Linux Logs Clearing Attempts
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: Linux Logs Clearing Attempts
id: 80915f59-9b56-4616-9de0-fd0dea6c12fe
status: stable
description: |
Detects logs clearing attempts on Linux systems via utilities such as 'rm', 'rmdir', 'shred', and 'unlink' targeting log files and directories.
Adversaries often try to clear logs to cover their tracks after performing malicious activities.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.002/T1070.002.md
author: Ömer Günal, oscd.community
date: 2020-10-07
modified: 2026-03-18
tags:
- attack.defense-evasion
- attack.t1070.002
logsource:
product: linux
category: process_creation
detection:
selection:
Image|endswith:
- '/rm' # covers /rmdir as well
- '/rmdir'
- '/shred'
- '/unlink'
CommandLine|contains:
- '/var/log'
- '/var/spool/mail'
filter_main_legit_systat:
Image|endswith: '/rm'
CommandLine|startswith: 'rm -f /var/log/sysstat/'
filter_main_dmseg:
Image|endswith: '/rm'
CommandLine|startswith: 'rm -f -- /var/log//dmesg' # // before dmesg is not typo
condition: selection and not 1 of filter_main_*
falsepositives:
- Legitimate administration 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_clear_logs.yml