By default, web servers are configured to serve an index.html file. If that file is missing, the server shows the directory index. For example:
Index of /private/client_data
[ICO] Name Last modified Size [DIR] Parent Directory - - [TXT] emails_raw.txt 2024-09-12 14:32 1.2 MB [TXT] exclusive_contacts.txt 2024-09-15 09:17 450 KB
These directories are exposed due to misconfigurations:
Example URL pattern:
https://example.com/backup/index of /email/ → lists emails.txt, exclusive_emails.txt index of email txt exclusive
Performing a search for intitle:"index of" "email" "txt" using advanced Google dorks (Google hacking) reveals how powerful this is. Here is what searchers hope to find:
Example Master Dork:
intitle:"index of" "email" "exclusive" -htm -html -php -asp By default, web servers are configured to serve an index
Why do these indexes exist in the first place? Because of a simple misconfiguration.