Suspicious MSExchange Transport Agent Deployment (via process_creation)

title: Suspicious MSExchange Transport Agent Deployment (via process_creation)
id: 254d2d66-1935-5201-b092-9746b9ece5ee
status: stable
description: This rule detects the Installation of a Exchange Transport Agent
references:
    - https://attack.mitre.org/techniques/T1505/002/
    - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=7
author: Huntrule Team
date: 2026-07-26
tags:
    - attack.persistence
    - attack.t1505.002
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        CommandLine|contains: 'Install-TransportAgent'
    condition: selection
falsepositives:
    - Unknown
level: medium