The server executes the command whoami , confirming Remote Code Execution. Alternative Interpretations

A web application that allows users to upload files and automatically compresses them into a .zip archive.

Create a file named cmd.php containing . Upload: Submit the file through the web interface.

Determine if the server executes files based on their extension or if it filters specific dangerous strings.

Insecure handling of file uploads and the use of the zip:// wrapper, which can lead to Remote Code Execution (RCE) . Step 1: Enumeration

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.

Bg.zip [PLUS ●]

The server executes the command whoami , confirming Remote Code Execution. Alternative Interpretations

A web application that allows users to upload files and automatically compresses them into a .zip archive. BG.zip

Create a file named cmd.php containing . Upload: Submit the file through the web interface. The server executes the command whoami , confirming

Determine if the server executes files based on their extension or if it filters specific dangerous strings. The server executes the command whoami

Insecure handling of file uploads and the use of the zip:// wrapper, which can lead to Remote Code Execution (RCE) . Step 1: Enumeration

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.