Suspicious MsiExec Web Install (via process_creation)

title: Suspicious MsiExec Web Install (via process_creation)
id: 68641065-1fc9-5a2a-8693-89d40f316545
status: stable
description: This rule detects anomalous msiexec process starts with web addresses as parameter
references:
    - https://attack.mitre.org/techniques/T1105/
    - https://attack.mitre.org/techniques/T1218/007/
    - https://blog.trendmicro.com/trendlabs-security-intelligence/attack-using-windows-installer-msiexec-exe-leads-lokibot/
author: Huntrule Team
date: 2026-05-18
tags:
    - attack.stealth
    - attack.t1218.007
    - attack.command-and-control
    - attack.t1105
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - ' msiexec'
            - '://'
    condition: selection
falsepositives:
    - Unknown
level: medium