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hayabusa/rules/Sigma/win_invoke_obfuscation_via_rundll_services.yml
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2021-11-14 11:00:56 +09:00

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YAML

title: Invoke-Obfuscation RUNDLL LAUNCHER
author: Timur Zinniatullin, oscd.community
date: 2020/10/18
description: Detects Obfuscated Powershell via RUNDLL LAUNCHER
detection:
SELECTION_1:
ImagePath|re: (?i).*rundll32(?:\.exe)?(?:\s+)?shell32\.dll.*shellexec_rundll.*powershell.*\"
SELECTION_2:
EventID: 7045
condition: (SELECTION_1 and SELECTION_2)
falsepositives:
- Unknown
id: 11b52f18-aaec-4d60-9143-5dd8cc4706b9
level: medium
logsource:
product: windows
service: system
modified: 2021/09/18
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_rundll_services.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin