title: Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION
author: Timur Zinniatullin, oscd.community
date: 2020/10/13
description: Detects Obfuscated Powershell via VAR++ LAUNCHER
detection:
    SELECTION_1:
        Payload|re: (?i).*&&set.*(\{\d\}){2,}\\\"\s+?\-f.*&&.*cmd.*\/c
    condition: SELECTION_1
falsepositives:
- Unknown
id: f3c89218-8c3d-4ba9-9974-f1d8e6a1b4a6
level: high
logsource:
    category: ps_module
    definition: PowerShell Module Logging must be enabledd
    product: windows
modified: 2021/10/16
references:
- https://github.com/Neo23x0/sigma/issues/1009
related:
-   id: e54f5149-6ba3-49cf-b153-070d24679126
    type: derived
status: experimental
tags:
- attack.defense_evasion
- attack.t1027
- attack.execution
- attack.t1059.001
yml_filename: powershell_invoke_obfuscation_via_var.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_module