
title: SilentProcessExit Monitor Registrytion for LSASS
author: Florian Roth
date: 2021/02/26
description: Detects changes to the Registry in which a monitor program gets registered
  to dump process memory of the lsass.exe process memory
detection:
  SELECTION_1:
    EventID: 12
  SELECTION_2:
    EventID: 13
  SELECTION_3:
    EventID: 14
  SELECTION_4:
    TargetObject: '*Microsoft\Windows NT\CurrentVersion\SilentProcessExit\lsass.exe*'
  condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4)
falsepositives:
- Unknown
id: 55e29995-75e7-451a-bef0-6225e2f13597
level: critical
logsource:
  category: registry_event
  product: windows
references:
- https://www.deepinstinct.com/2021/02/16/lsass-memory-dumps-are-stealthier-than-ever-before-part-2/
- https://oddvar.moe/2018/04/10/persistence-using-globalflags-in-image-file-execution-options-hidden-from-autoruns-exe/
status: experimental
tags:
- attack.credential_access
- attack.t1003.007
ruletype: SIGMA
