title: CVE-2021-1675 Print Spooler Exploitation
id: f34d942d-c8c4-4f1f-b196-22471aecf10a
description: Detects driver load events print service operational log that are a sign of successful exploitation attempts against print spooler vulnerability CVE-2021-1675
author: Florian Roth
status: experimental
level: critical
references:
    - https://twitter.com/MalwareJake/status/1410421967463731200
date: 2021/07/01
tags:
    - attack.execution
    - attack.t1569
    - cve.2021.1675
logsource:
    product: windows
    service: printservice-operational
detection:
    selection:
        EventID: '316'
    keywords: 
        - 'UNIDRV.DLL, kernelbase.dll, '
        - ' 123 '
        - ' 1234 '
        - 'mimispool'
    condition: selection and keywords
fields:
    - DriverAdded
falsepositives:
    - Unknown
