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hayabusa/rules/sigma/process_creation/win_susp_rundll32_sys.yml
2021-11-23 15:04:03 +09:00

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YAML

title: Suspicious Rundll32 Activity Invoking Sys File
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