Cisco Denial of Service — Sigma Rule

Rule metadata and linked tags

Author: Austin Clark. Source status: test; severity: medium. Source dates: 2019-08-15 / 2023-01-04.

{
  "product": "cisco",
  "service": "aaa"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 9dbea36cad0eb20c49ec340dd2f9dea375266ea154610b6e845503b19980690d

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

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

Original YAML and metadata in JSON

False positives

• Legitimate administrators may run these commands, though rarely.

Source references

No reviewed association in this snapshot.