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blue-team-tools/rules/windows/image_load/sysmon_spoolsv_dll_load.yml
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2021-08-24 10:27:27 +02:00

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YAML

title: Windows Spooler Service Suspicious Binary Load
id: 02fb90de-c321-4e63-a6b9-25f4b03dfd14
status: experimental
description: Detect DLL Load from Spooler Service backup folder
references:
- https://github.com/hhlxf/PrintNightmare
- https://nvd.nist.gov/vuln/detail/cve-2021-1675
- https://nvd.nist.gov/vuln/detail/cve-2021-34527
author: FPT.EagleEye, Thomas Patzke (improvements)
date: 2021/06/29
modified: 2021/08/24
tags:
- attack.persistence
- attack.defense_evasion
- attack.privilege_escalation
- attack.t1574
logsource:
category: image_load
product: windows
detection:
selection:
Image|endswith: 'spoolsv.exe'
ImageLoaded|contains: '\Windows\System32\spool\drivers\x64\3\'
ImageLoaded|endswith: '.dll'
condition: selection
falsepositives:
- Loading of legitimate driver
level: informational