Florian Roth
28 lines
797 B
YAML
28 lines
797 B
YAML
title: Invoke-Obfuscation STDIN+ Launcher
|
|
id: 9ac8b09b-45de-4a07-9da1-0de8c09304a3
|
|
related:
|
|
- id: 779c8c12-0eb1-11eb-adc1-0242ac120002
|
|
type: derived
|
|
description: Detects Obfuscated use of stdin to execute PowerShell
|
|
status: experimental
|
|
author: Jonathan Cheong, oscd.community
|
|
date: 2020/10/15
|
|
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: powershell
|
|
definition: Module Logging must be enabled
|
|
detection:
|
|
selection_4103:
|
|
EventID: 4103
|
|
Payload|re: '.*cmd.{0,5}(?:\/c|\/r).+powershell.+(?:\$\{?input\}?|noexit).+\"'
|
|
condition: selection_4103
|
|
falsepositives:
|
|
- Unknown
|
|
level: high |