Command Line Execution with Suspicious URL and AppData Strings (via process_creation)

title: Command Line Execution with Suspicious URL and AppData Strings (via process_creation)
id: c54b1a33-dc44-5087-bd62-17a5d265eab8
status: stable
description: This rule detects an anomalous command line execution that includes an URL and AppData string in the command line parameters as used by several droppers (js/vbs > powershell)
references:
    - https://attack.mitre.org/techniques/T1105/
    - https://attack.mitre.org/techniques/T1059/001/
    - https://attack.mitre.org/techniques/T1059/003/
    - https://www.hybrid-analysis.com/sample/3a1f01206684410dbe8f1900bbeaaa543adfcd07368ba646b499fa5274b9edf6?environmentId=100
    - https://www.hybrid-analysis.com/sample/f16c729aad5c74f19784a24257236a8bbe27f7cdc4a89806031ec7f1bebbd475?environmentId=100
author: Huntrule Team
date: 2026-05-13
tags:
    - attack.execution
    - attack.command-and-control
    - attack.t1059.003
    - attack.t1059.001
    - attack.t1105
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\cmd.exe'
        CommandLine|contains|all:
            - 'http'
            - '://'
            - '%AppData%'
    condition: selection
falsepositives:
    - Unknown
level: medium