Suspicious New Capture Session Launched Through DXCap.EXE (via process_creation)

title: Suspicious New Capture Session Launched Through DXCap.EXE (via process_creation)
id: 2c82fc2c-d690-5abb-b11b-db527f78ad17
status: stable
description: This rule detects the execution of "DXCap.EXE" with the "-c" flag, which enables a user to launch any arbitrary binary or windows package through DXCap itself. This can be misused to potentially bypass application whitelisting.
references:
    - https://attack.mitre.org/techniques/T1218/
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/Dxcap/
    - https://twitter.com/harr0ey/status/992008180904419328
author: Huntrule Team
date: 2026-06-15
tags:
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\DXCap.exe'
        - OriginalFileName: 'DXCap.exe'
    selection_cli:
        CommandLine|contains: ' -c '
    condition: all of selection*
falsepositives:
    - Unknown
level: medium