Emerging Threathightest

Suspicious PrinterPorts Creation (CVE-2020-1048)

Detects new commands that add new printer port which point to suspicious file

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EagleEye Team, Florian Roth (Nextron Systems)Created Wed May 13Updated Sat Nov 27cc08d590-8b90-413a-aff6-31d1a99678d72020

Emerging Threat

Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

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