Detectionhightest

Imports Registry Key From an ADS

Detects the import of a alternate datastream to the registry with regedit.exe.

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Oddvar Moe, Sander Wiebing, oscd.communityCreated Mon Oct 12Updated Wed Mar 130b80ade5-6997-4b1d-99a1-71701778ea61windows

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: '\regedit.exe'
        - OriginalFileName: 'REGEDIT.EXE'
    selection_cli:
        CommandLine|contains:
            - ' /i '
            - '.reg'
        CommandLine|re: ':[^ \\]'
    filter:
        CommandLine|contains|windash:
            - ' -e '
            - ' -a '
            - ' -c '
    condition: all of selection_* and not filter