Detectionmediumtest

Console CodePage Lookup Via CHCP

Detects use of chcp to look up the system locale value as part of host discovery

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_pete_0, TheDFIRReportCreated Mon Feb 21Updated Tue Mar 057090adee-82e2-4269-bd59-80691e7c6338windows

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:
        ParentImage|endswith: '\cmd.exe'
        ParentCommandLine|contains|windash:
            - ' -c '
            - ' -r '
            - ' -k '
        Image|endswith: '\chcp.com'
        CommandLine|endswith:
            - 'chcp'
            - 'chcp '
            - 'chcp  '
    condition: selection