mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-08 02:08:54 +00:00
32 lines
889 B
YAML
32 lines
889 B
YAML
title: Hiding files with attrib.exe
|
|
status: experimental
|
|
description: Detects usage of attrib.exe to hide files from users.
|
|
author: Sami Ruohonen
|
|
logsource:
|
|
product: windows
|
|
service: sysmon
|
|
detection:
|
|
selection:
|
|
EventID: 1
|
|
Image: '*\attrib.exe'
|
|
CommandLine: '* +h *'
|
|
ini:
|
|
CommandLine: '*\desktop.ini *'
|
|
intel:
|
|
ParentImage: '*\cmd.exe'
|
|
CommandLine: '+R +H +S +A \*.cui'
|
|
ParentCommandLine: 'C:\WINDOWS\system32\\*.bat'
|
|
condition: selection and not (ini or intel)
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
- User
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.persistence
|
|
- attack.t1158
|
|
falsepositives:
|
|
- igfxCUIService.exe hiding *.cui files via .bat script (attrib.exe a child of cmd.exe and igfxCUIService.exe is the parent of the cmd.exe)
|
|
- msiexec.exe hiding desktop.ini
|
|
level: low
|