CVE-2021-1675 Print Spooler Exploitation Filename Pattern

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

Sigma rule (View on GitHub)

 1title: CVE-2021-1675 Print Spooler Exploitation Filename Pattern
 2id: 2131cfb3-8c12-45e8-8fa0-31f5924e9f07
 3status: test
 4description: Detects the default filename used in PoC code against print spooler vulnerability CVE-2021-1675
 5references:
 6    - https://web.archive.org/web/20210629055600/https://github.com/hhlxf/PrintNightmare/
 7    - https://web.archive.org/web/20210701042336/https://github.com/afwu/PrintNightmare
 8    - https://github.com/cube0x0/CVE-2021-1675
 9author: Florian Roth (Nextron Systems)
10date: 2021-06-29
11modified: 2022-12-25
12tags:
13    - attack.execution
14    - attack.privilege-escalation
15    - attack.resource-development
16    - attack.t1587
17    - cve.2021-1675
18    - detection.emerging-threats
19logsource:
20    category: file_event
21    product: windows
22detection:
23    selection:
24        TargetFilename|contains: 'C:\Windows\System32\spool\drivers\x64\3\old\1\123'
25    condition: selection
26falsepositives:
27    - Unknown
28fields:
29    - ComputerName
30    - TargetFilename
31level: critical

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