Dropping Of Password Filter DLL
Detects dropping of dll files in system32 that may be used to retrieve user credentials from LSASS
Detection logic
selection_cmdline
CommandLine|contains|all:
- HKLM\SYSTEM\CurrentControlSet\Control\Lsa
- scecli\0*
- reg addCondition
selection_cmdlineRaw YAML
title: Dropping Of Password Filter DLL
id: b7966f4a-b333-455b-8370-8ca53c229762
status: test
description: Detects dropping of dll files in system32 that may be used to retrieve user credentials from LSASS
references:
- https://pentestlab.blog/2020/02/10/credential-access-password-filter-dll/
- https://github.com/3gstudent/PasswordFilter/tree/master/PasswordFilter
author: Sreeman
date: 2020-10-29
modified: 2022-10-09
tags:
- attack.persistence
- attack.credential-access
- attack.defense-impairment
- attack.t1556.002
logsource:
category: process_creation
product: windows
detection:
selection_cmdline:
CommandLine|contains|all:
- 'HKLM\SYSTEM\CurrentControlSet\Control\Lsa'
- 'scecli\0*'
- 'reg add'
condition: selection_cmdline
falsepositives:
- Unknown
level: mediumFalse positives
- Unknown