29 lines
834 B
YAML
29 lines
834 B
YAML
title: Invoke-Obfuscation Via Use Rundll32
|
|
author: Nikita Nazarov, oscd.community
|
|
date: 2019/10/08
|
|
description: Detects Obfuscated Powershell via use Rundll32 in Scripts
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
CommandLine|re: (?i).*&&.*rundll32.*shell32\.dll.*shellexec_rundll.*(value|invoke|comspec|iex).*"
|
|
condition: (SELECTION_1 and SELECTION_2)
|
|
falsepositives:
|
|
- Unknown
|
|
id: 36c5146c-d127-4f85-8e21-01bf62355d5a
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
references:
|
|
- https://github.com/Neo23x0/sigma/issues/1009
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1027
|
|
- attack.execution
|
|
- attack.t1059.001
|
|
yml_filename: win_invoke_obfuscation_via_use_rundll32.yml
|
|
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
|
|
|