MSExchange Transport Agent Installation

testmedium
log source: windows · process_creationauthor Tobias Michalski (Nextron Systems)date 2021-06-08
01

description

What this is, in brief.

Detects the Installation of a Exchange Transport Agent

02

tags

attack.persistenceattack.t1505.002
03

rule source (YAML)

title: MSExchange Transport Agent Installation
id: 83809e84-4475-4b69-bc3e-4aad8568612f
related:
    - id: 83809e84-4475-4b69-bc3e-4aad8568612f
      type: similar
status: test
description: Detects the Installation of a Exchange Transport Agent
references:
    - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=7
author: Tobias Michalski (Nextron Systems)
date: 2021-06-08
modified: 2022-10-09
tags:
    - attack.persistence
    - attack.t1505.002
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        CommandLine|contains: 'Install-TransportAgent'
    condition: selection
falsepositives:
    - Legitimate installations of exchange TransportAgents. AssemblyPath is a good indicator for this.
level: medium
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.