mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 09:48:58 +00:00
35 lines
893 B
YAML
35 lines
893 B
YAML
title: NTFS Alternate Data Stream
|
|
id: 8c521530-5169-495d-a199-0a3a881ad24e
|
|
status: experimental
|
|
description: Detects writing data into NTFS alternate data streams from powershell. Needs Script Block Logging.
|
|
references:
|
|
- http://www.powertheshell.com/ntfsstreams/
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1564.004
|
|
- attack.t1096 # an old one
|
|
- attack.execution
|
|
- attack.t1059.001
|
|
- attack.t1086 # an old one
|
|
author: Sami Ruohonen
|
|
date: 2018/07/24
|
|
modified: 2021/08/21
|
|
logsource:
|
|
product: windows
|
|
service: powershell
|
|
definition: Script block logging must be enabled
|
|
detection:
|
|
event:
|
|
EventID: 4104
|
|
content:
|
|
ScriptBlockText|contains:
|
|
- "set-content"
|
|
- "add-content"
|
|
stream:
|
|
ScriptBlockText|contains:
|
|
- "-stream"
|
|
condition: all of them
|
|
falsepositives:
|
|
- unknown
|
|
level: high
|