Never store wallet.dat files, backups, or logs in a publicly accessible web root folder. 3. Critical Security Upgrades Changelog - BitcoinWiki
While the direct "Index Of" leak has largely been patched by better server management, researchers have recently uncovered deeper legacy vulnerabilities. For example, the "Randstorm" vulnerability discovered by researchers at Unciphered indexofbitcoinwalletdat patched
Having this file is like having the physical deed to a house. If you found an exposed wallet.dat , you could copy it, import it into your own Bitcoin Core client, and—provided the file wasn't encrypted with a strong passphrase—immediately sweep the funds. Never store wallet
To understand the obsession, you have to understand the syntax. The query is a weaponized version of "Google Dorking"—using advanced search operators to find specific files. The query is a weaponized version of "Google