While the files are publicly accessible via search engines, downloading and attempting to access them generally falls into a legal grey area or is outright illegal depending on the jurisdiction.
One misconfigured Synology NAS device in Southeast Asia exposed a wallet.dat containing over 50 Bitcoin (worth approx. $3.5 million at the time). The directory had been indexed by Google for 11 months before discovery. indexofwalletdat new
: Security researchers or scammers sometimes leave "fake" wallet.dat files in open directories to track hackers or distribute malware. While the files are publicly accessible via search
: The "passwords" that allow spending of the cryptocurrency. Public Addresses : Used for receiving funds. Transaction History : A record of all incoming and outgoing payments. Datarecovery.com Risks of Exposure If an attacker finds a wallet.dat file through an open directory: Theft of Funds The directory had been indexed by Google for
Thus, is a search query designed to find recently exposed, unsecured Bitcoin wallet files sitting on public servers.
The attacker runs an automated script that feeds variations of indexofwalletdat new into Google, Bing, or specialized IoT search engines like Shodan. The script extracts all URLs pointing to directory listings containing wallet.dat .