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Detection rules › Sigma

Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800

Status
test
Severity
high
Log source
product linux
Author
Bhabesh Raj
Source
github.com/SigmaHQ/sigma

Detects potential exploitation attempts of Nimbuspwn vulnerabilities CVE-2022-29799 and CVE-2022-27800 in Linux systems.

MITRE ATT&CK coverage

TacticTechniques
Privilege EscalationT1068 Exploitation for Privilege Escalation

Rule body yaml

title: Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800
id: 7ba05b43-adad-4c02-b5e9-c8c35cdf9fa8
status: test
description: |
    Detects potential exploitation attempts of Nimbuspwn vulnerabilities CVE-2022-29799 and CVE-2022-27800 in Linux systems.
references:
    - https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
    - https://github.com/Immersive-Labs-Sec/nimbuspwn
author: Bhabesh Raj
date: 2022-05-04
modified: 2025-11-03
tags:
    - attack.privilege-escalation
    - attack.t1068
    - detection.emerging-threats
    - cve.2022-29799
    - cve.2022-27800
logsource:
    product: linux
detection:
    keywords:
        '|all':
            - 'networkd-dispatcher'
            - 'Error handling notification for interface'
            - '../../'
    condition: keywords
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

keywords

Stage 1: keywords

keywords:
    '|all':
        - 'networkd-dispatcher'
        - 'Error handling notification for interface'
        - '../../'