Malicious HackTool - WinRM Access Through Evil-WinRM (via process_creation)

title: Malicious HackTool - WinRM Access Through Evil-WinRM (via process_creation)
id: bd5d550b-ab29-5e5a-bdf4-a64f87c7b863
status: stable
description: This rule detects threat actors may use Valid Accounts to log into a computer using the Remote Desktop Protocol (RDP). The adversary may then perform actions as the logged-on user.
references:
    - https://attack.mitre.org/techniques/T1021/006/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1021.006/T1021.006.md#atomic-test-3---winrm-access-with-evil-winrm
    - https://github.com/Hackplayers/evil-winrm
author: Huntrule Team
date: 2026-06-23
tags:
    - attack.lateral-movement
    - attack.t1021.006
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\ruby.exe'
        CommandLine|contains|all:
            - '-i '
            - '-u '
            - '-p '
    condition: selection
falsepositives:
    - Unknown
level: medium