31 lines
790 B
YAML
31 lines
790 B
YAML
|
|
title: Suspicious Rundll32 Activity Invoking Sys File
|
|
ruletype: Sigma
|
|
author: Florian Roth
|
|
date: 2021/03/05
|
|
description: Detects suspicious process related to rundll32 based on command line
|
|
that includes a *.sys file as seen being used by UNC2452
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
CommandLine: '*rundll32.exe*'
|
|
SELECTION_3:
|
|
CommandLine:
|
|
- '*.sys,*'
|
|
- '*.sys *'
|
|
condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
|
|
falsepositives:
|
|
- Unknown
|
|
id: 731231b9-0b5d-4219-94dd-abb6959aa7ea
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
references:
|
|
- https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1218.011
|