SigmaHQ/rules/windows/registry_event/sysmon_susp_lsass_dll_load.yml

title: DLL Load via LSASS
id: b3503044-60ce-4bf4-bbcb-e3db98788823
status: experimental
description: Detects a method to load DLL via LSASS process using an undocumented Registry key
author: Florian Roth
date: 2019/10/16
modified: 2020/07/01
references:
    - https://blog.xpnsec.com/exploring-mimikatz-part-1/
    - https://twitter.com/SBousseaden/status/1183745981189427200
logsource:
    category: registry_event
    product: windows
detection:
    selection:
        TargetObject|contains:
            - '\CurrentControlSet\Services\NTDS\DirectoryServiceExtPt'
            - '\CurrentControlSet\Services\NTDS\LsaDbExtPt'
    condition: selection
tags:
    - attack.execution
    - attack.persistence
    - attack.t1177 # an old one
    - attack.t1547.008
falsepositives:
    - Unknown
level: high