Because the server likely has an vulnerability or allows the use of PHP wrappers, you can call the file inside the archive without extracting it manually.
The server executes the command whoami , confirming Remote Code Execution. Alternative Interpretations BG.zip
: A ZIP file containing design assets (e.g., from remove.bg ) for web development. Because the server likely has an vulnerability or
Determine if the server executes files based on their extension or if it filters specific dangerous strings. BG.zip
: A tool used in bioinformatics for Blocked GNU Zip format, often indexed with tabix for genomic data.
The server provides a path like /uploads/upload_12345.zip . Step 3: Gaining RCE