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hayabusa/rules/Sigma/win_susp_vssadmin_ntds_activity.yml
2021-11-14 11:00:56 +09:00

52 lines
2.0 KiB
YAML

title: Activity Related to NTDS.dit Domain Hash Retrieval
author: Florian Roth, Michael Haag
date: 2019/01/16
description: Detects suspicious commands that could be related to activity that uses
volume shadow copy to steal and retrieve hashes from the NTDS.dit file remotely
detection:
SELECTION_1:
EventID: 1
SELECTION_10:
CommandLine: esentutl.exe /y /vss *\SYSTEM
SELECTION_2:
CommandLine: vssadmin.exe Delete Shadows
SELECTION_3:
CommandLine: 'vssadmin create shadow /for=C:'
SELECTION_4:
CommandLine: copy \\?\GLOBALROOT\Device\\*\windows\ntds\ntds.dit
SELECTION_5:
CommandLine: copy \\?\GLOBALROOT\Device\\*\config\SAM
SELECTION_6:
CommandLine: 'vssadmin delete shadows /for=C:'
SELECTION_7:
CommandLine: 'reg SAVE HKLM\SYSTEM '
SELECTION_8:
CommandLine: esentutl.exe /y /vss *\ntds.dit*
SELECTION_9:
CommandLine: esentutl.exe /y /vss *\SAM
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10))
falsepositives:
- Administrative activity
fields:
- CommandLine
- ParentCommandLine
id: b932b60f-fdda-4d53-8eda-a170c1d97bbd
level: high
logsource:
category: process_creation
product: windows
references:
- https://www.swordshield.com/2015/07/getting-hashes-from-ntds-dit-file/
- https://room362.com/post/2013/2013-06-10-volume-shadow-copy-ntdsdit-domain-hashes-remotely-part-1/
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Tutorial-for-NTDS-goodness-(VSSADMIN,-WMIS,-NTDS-dit,-SYSTEM)/
- https://securingtomorrow.mcafee.com/mcafee-labs/new-teslacrypt-ransomware-arrives-via-spam/
- https://dfironthemountain.wordpress.com/2018/12/06/locked-file-access-using-esentutl-exe/
status: deprecated
tags:
- attack.credential_access
- attack.t1003
yml_filename: win_susp_vssadmin_ntds_activity.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/deprecated