Detectionmediumtest

Code Execution via Pcwutl.dll

Detects launch of executable by calling the LaunchApplication function from pcwutl.dll library.

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Launch

Julia Fomina, oscd.communityCreated Mon Oct 05Updated Thu Feb 099386d78a-7207-4048-9c9f-a93a7c2d1c05windows

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:
    selection_img:
        - Image|endswith: '\rundll32.exe'
        - OriginalFileName: 'RUNDLL32.EXE'
    selection_cli:
        CommandLine|contains|all:
            - 'pcwutl'
            - 'LaunchApplication'
    condition: all of selection_*