Encode-2fresource-3d-2froot-2f.aws-2fcredentials | -view-php-3a-2f-2ffilter-2fread-3dconvert.base64

The string php://filter/read=convert.base64-encode/resource=/root/.aws/credentials is a URI-style path designed to exploit a vulnerability in a web application's file handling. It breaks down into three distinct parts:

: This is a PHP stream wrapper. It allows developers to apply "filters" to a stream (like a file) while it is being opened.

By using the convert.base64-encode filter, the attacker ensures that the output is a simple, alphanumeric string. This bypasses execution and prevents the server from breaking on characters like