Detectionhightest

Copying Sensitive Files with Credential Data

Files with well-known filenames (sensitive files with credential data) copying

Convert In Phoenix Studio

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

Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.communityCreated Tue Oct 22Updated Tue Jun 04e7be6119-fc37-43f0-ad4f-1f3f99be2f9fwindows

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_esent_img:
        - Image|endswith: '\esentutl.exe'
        - OriginalFileName: '\esentutl.exe'
    selection_esent_cli:
        CommandLine|contains|windash:
            - 'vss'
            - ' /m '
            - ' /y '
    selection_susp_paths:
        CommandLine|contains:
            - '\config\RegBack\sam'
            - '\config\RegBack\security'
            - '\config\RegBack\system'
            - '\config\sam'
            - '\config\security'
            - '\config\system '        # space needed to avoid false positives with \config\systemprofile\
            - '\repair\sam'
            - '\repair\security'
            - '\repair\system'
            - '\windows\ntds\ntds.dit'
    condition: all of selection_esent_* or selection_susp_paths