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Detection rules › Sigma

Cisco Denial of Service

Status
test
Severity
medium
Log source
product cisco, service aaa
Author
Austin Clark
Source
github.com/SigmaHQ/sigma

Detect a system being shutdown or put into different boot mode

Known false positives

  • Legitimate administrators may run these commands, though rarely.

MITRE ATT&CK coverage

TacticTechniques
Impact

Rule body

title: Cisco Denial of Service
id: d94a35f0-7a29-45f6-90a0-80df6159967c
status: test
description: Detect a system being shutdown or put into different boot mode
author: Austin Clark
date: 2019-08-15
modified: 2023-01-04
tags:
    - attack.impact
    - attack.t1495
    - attack.t1529
    - attack.t1565.001
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'shutdown'
        - 'config-register 0x2100'
        - 'config-register 0x2142'
    condition: keywords
falsepositives:
    - Legitimate administrators may run these commands, though rarely.
level: medium

Stages and Predicates

Stage 0: condition

keywords

Stage 1: keywords

keywords:
    - 'shutdown'
    - 'config-register 0x2100'
    - 'config-register 0x2142'