Cisco Clear Logs

Description

Clear command history in network OS which is used for defense evasion

Query · sigma

keywords:
- clear logging
- clear archive
condition: keywords

Known false positives

  • Legitimate administrators may run these commands
Raw source Cisco Clear Logs · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Cisco Clear Logs
id: ceb407f6-8277-439b-951f-e4210e3ed956
status: test
description: Clear command history in network OS which is used for defense evasion
references:
    - https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/sysmgmt/n5k-sysmgmt-cr/n5k-sm_cmds_c.html
    - https://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srmgtint.html#wp1127609
author: Austin Clark
date: 2019-08-12
modified: 2023-05-26
tags:
    - attack.stealth
    - attack.t1070.003
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'clear logging'
        - 'clear archive'
    condition: keywords
falsepositives:
    - Legitimate administrators may run these commands
level: high

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