CVE-2021-1675 Print Spooler Exploitation Filename Pattern

Description

Detects the default filename used in PoC code against print spooler vulnerability CVE-2021-1675

Query · sigma

selection:
  TargetFilename|contains: C:\Windows\System32\spool\drivers\x64\3\old\1\123
condition: selection

Known false positives

  • Unknown
Raw source CVE-2021-1675 Print Spooler Exploitation Filename Pattern · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: CVE-2021-1675 Print Spooler Exploitation Filename Pattern
id: 2131cfb3-8c12-45e8-8fa0-31f5924e9f07
status: test
description: Detects the default filename used in PoC code against print spooler vulnerability CVE-2021-1675
references:
    - https://web.archive.org/web/20210629055600/https://github.com/hhlxf/PrintNightmare/
    - https://web.archive.org/web/20210701042336/https://github.com/afwu/PrintNightmare
    - https://github.com/cube0x0/CVE-2021-1675
author: Florian Roth (Nextron Systems)
date: 2021-06-29
modified: 2022-12-25
tags:
    - attack.execution
    - attack.privilege-escalation
    - attack.resource-development
    - attack.t1587
    - cve.2021-1675
    - detection.emerging-threats
logsource:
    category: file_event
    product: windows
detection:
    selection:
        TargetFilename|contains: 'C:\Windows\System32\spool\drivers\x64\3\old\1\123'
    condition: selection
falsepositives:
    - Unknown
level: critical

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