sigmahighHunting

HackTool - Wmiexec Default Powershell Command

Detects the execution of PowerShell with a specific flag sequence that is used by the Wmiexec script

Detection Query

selection:
  CommandLine|contains: -NoP -NoL -sta -NonI -W Hidden -Exec Bypass -Enc
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2023-03-08

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://github.com/fortra/impacket/blob/f4b848fa27654ca95bc0f4c73dbba8b9c2c9f30a/examples/wmiexec.py

Tags

attack.defense-evasionattack.lateral-movement

Raw Content

title: HackTool - Wmiexec Default Powershell Command
id: 022eaba8-f0bf-4dd9-9217-4604b0bb3bb0
status: test
description: Detects the execution of PowerShell with a specific flag sequence that is used by the Wmiexec script
references:
    - https://github.com/fortra/impacket/blob/f4b848fa27654ca95bc0f4c73dbba8b9c2c9f30a/examples/wmiexec.py
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-03-08
tags:
    - attack.defense-evasion
    - attack.lateral-movement
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains: '-NoP -NoL -sta -NonI -W Hidden -Exec Bypass -Enc'
    condition: selection
falsepositives:
    - Unlikely
level: high