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blue-team-tools/rules/windows/process_creation/win_invoke_obfuscation_via_stdin.yml
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2021-11-27 11:33:14 +01:00

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YAML

title: Invoke-Obfuscation Via Stdin
id: 9c14c9fa-1a63-4a64-8e57-d19280559490
status: test
description: Detects Obfuscated Powershell via Stdin in Scripts
author: Nikita Nazarov, oscd.community
references:
- https://github.com/Neo23x0/sigma/issues/1009 #(Task28)
date: 2020/10/12
modified: 2021/11/27
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|re: '(?i).*(set).*&&\s?set.*(environment|invoke|\${?input).*&&.*"'
condition: selection
falsepositives:
- Unknown
level: high
tags:
- attack.defense_evasion
- attack.t1027
- attack.execution
- attack.t1059.001