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

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650 B
YAML

title: Invoke-Obfuscation STDIN+ Launcher
author: Jonathan Cheong, oscd.community
date: 2020/10/15
description: Detects Obfuscated use of stdin to execute PowerShell
detection:
SELECTION_1:
EventID: 1
SELECTION_2:
CommandLine|re: .*cmd.{0,5}(?:/c|/r).+powershell.+(?:\$\{?input\}?|noexit).+"
condition: (SELECTION_1 and SELECTION_2)
falsepositives:
- Unknown
id: 6c96fc76-0eb1-11eb-adc1-0242ac120002
level: high
logsource:
category: process_creation
product: windows
references:
- https://github.com/Neo23x0/sigma/issues/1009
status: experimental
tags:
- attack.defense_evasion
- attack.t1027
- attack.execution
- attack.t1059.001