Suspicious Password Provided In Command Line Of Net.EXE (via process_creation)

title: Suspicious Password Provided In Command Line Of Net.EXE (via process_creation)
id: e6099d68-6840-5de9-85f7-6d471dc10c82
status: stable
description: This rule detects a when net.exe is called with a password in the command line
references:
    - https://attack.mitre.org/techniques/T1078/
    - https://attack.mitre.org/techniques/T1021/002/
    - Internal Research
author: Huntrule Team
date: 2026-05-26
tags:
    - attack.initial-access
    - attack.persistence
    - attack.privilege-escalation
    - attack.lateral-movement
    - attack.stealth
    - attack.t1021.002
    - attack.t1078
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith:
              - '\net.exe'
              - '\net1.exe'
        - OriginalFileName:
              - 'net.exe'
              - 'net1.exe'
    selection_cli:
        CommandLine|contains|all:
            - ' use '
            - ':*\\'
            - '/USER:* *'
    filter_main_empty:
        CommandLine|endswith: ' '
    condition: all of selection_* and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium