title: Suspicious PrinterPorts Creation (CVE-2020-1048)
id: cc08d590-8b90-413a-aff6-31d1a99678d7
status: experimental
description: Detects new commands that add new printer port which point to suspicious file
author: EagleEye Team, Florian Roth
date: 2020/05/13
modified: 2020/05/23
references:
    - https://windows-internals.com/printdemon-cve-2020-1048/
tags:
    - attack.persistence
    - attack.execution
    - attack.t1059.001
    - attack.t1086  #an old one
logsource:
    category: process_creation
    product: windows
detection:
    selection1:
        CommandLine|contains: 
            - 'Add-PrinterPort -Name'
    selection2:
        CommandLine|contains: 
            - '.exe'
            - '.dll'
            - '.bat'
    selection3:
        CommandLine|contains:
            - 'Generic / Text Only'
    condition: ( selection1 and selection2 ) or selection3
falsepositives:
    - New printer port install on host
level: high