title: Htran or NATBypass Markers
id: f5e3b62f-e577-4e59-931e-0a15b2b94e1e
status: experimental
description: Detects exeuctable names or flags used by Htran or Htran-like tools (e.g. NATBypass)
references:
    - https://github.com/HiwinCN/HTran
    - https://github.com/cw1997/NATBypass
author: Florian Roth
date: 2022/12/27
tags:
    - attack.command_and_control
    - attack.t1090
    - attack.s0040
logsource:
    category: process_creation
    product: windows
detection:
    selection_name:
        Image|endswith:
            - '\htran.exe'
            - '\lcx.exe'
    selection_flags1:
        CommandLine|contains:
            - '.exe -tran '
            - '.exe -slave '
    condition: 1 of selection*
falsepositives:
    - Unknown
level: high