Shifenzheng.bak Today

  • Use metadata tools:
  • Check for sensitive fields: name, ID number, birthdate, address, passport number. Mask or redact if sharing.

    • Under China’s Personal Information Protection Law (PIPL) effective June 2021, storing unencrypted ID card numbers in a .bak file constitutes a significant compliance failure. Article 51 mandates strict technical measures to prevent leaks. A single shifenzheng.bak file discovered on a compromised server can lead to fines up to ¥50 million RMB (or 5% of previous year’s revenue) for the responsible entity.

    Furthermore, if the file is found in a public repository (e.g., a public GitHub repository or a misconfigured OSS bucket), the data controller may face criminal liability under the Criminal Law for "infringing on citizens' personal information." shifenzheng.bak

    Often, a forgotten scheduled task regenerates the .bak file every night. Examine: Use metadata tools:

    Using command line (Linux/macOS):

    sudo find / -name "shifenzheng.bak" 2>/dev/null

    On Windows (PowerShell as Admin):

    Get-ChildItem -Path C:\ -Name shifenzheng.bak -Recurse -ErrorAction SilentlyContinue

    A standard ID card database should be hashed or encrypted. However, files named shifenzheng.bak are almost universally found in plaintext. Because they are intended as emergency backups, developers strip away encryption to ensure immediate readability. One click opens a CSV or TXT file containing full names, ID numbers, and often linked phone numbers. Check for sensitive fields: name, ID number, birthdate,

  • Determine file type (magic bytes):
  • Check entropy (detect compression/encryption):
  • Inspect strings (quick content hints):
  • Try opening with common container/format tools based on file type output:
  • If "file" reports "data" and entropy low → try common encodings (base64, utf-16) or legacy formats.
  • Use binwalk to detect embedded files:
    • shifenzheng.bak
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