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blue-team-tools/rules/windows/builtin/win_invoke_obfuscation_stdin_services.yml
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2021-09-22 18:45:08 +02:00

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YAML

title: Invoke-Obfuscation STDIN+ Launcher
id: 72862bf2-0eb1-11eb-adc1-0242ac120002
description: Detects Obfuscated use of stdin to execute PowerShell
status: experimental
author: Jonathan Cheong, oscd.community
date: 2020/10/15
modified: 2021/09/17
references:
- https://github.com/Neo23x0/sigma/issues/1009 #(Task 25)
tags:
- attack.defense_evasion
- attack.t1027
- attack.execution
- attack.t1059.001
logsource:
product: windows
service: system
detection:
selection_eventid:
EventID: 7045
selection:
ImagePath|re: '.*cmd.{0,5}(?:\/c|\/r).+powershell.+(?:\$\{?input\}?|noexit).+\"'
condition: selection and selection_eventid
falsepositives:
- Unknown
level: high