SigmaHQ/rules/windows/registry_event/win_registry_mimikatz_printernightmare.yml
2021-07-28 16:20:21 +02:00

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title: PrinterNightmare Mimimkatz Driver Name
id: ba6b9e43-1d45-4d3c-a504-1043a64c8469
status: experimental
description: Detects static QMS 810 and mimikatz driver name used by Mimikatz as exploited in CVE-2021-1675 and CVE-2021-34527
references:
- https://github.com/gentilkiwi/mimikatz/commit/c21276072b3f2a47a21e215a46962a17d54b3760
- https://www.lexjansen.com/sesug/1993/SESUG93035.pdf
- https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-rprn/4464eaf0-f34f-40d5-b970-736437a21913
author: Markus Neis, @markus_neis, Florian Roth
tags:
- attack.execution
- cve.2021-1675
- cve.2021-34527
date: 2021/07/04
modified: 2021/07/28
logsource:
product: windows
category: registry_event
detection:
selection:
TargetObject|contains:
- '\Control\Print\Environments\Windows x64\Drivers\Version-3\QMS 810\'
- '\Control\Print\Environments\Windows x64\Drivers\Version-3\mimikatz'
selection_alt:
TargetObject|contains|all:
- 'legitprinter'
- '\Control\Print\Environments\Windows'
selection_print:
TargetObject|contains:
- '\Control\Print\Environments'
- '\CurrentVersion\Print\Printers'
selection_kiwi:
TargetObject|contains:
- 'Gentil Kiwi'
- 'mimikatz printer'
- 'Kiwi Legit Printer'
condition: selection or selection_alt or (selection_print and selection_kiwi)
falsepositives:
- Legitimate installation of printer driver QMS 810, Texas Instruments microLaser printer (unlikely)
level: critical