The most common source of these files is data exfiltration from info-stealing malware (such as RedLine, Racoon, or Vidar). When a device is infected, the malware harvests stored browser passwords, cookies, and autofill data. It compiles this information into a .log or .txt file before transmitting it to a Command and Control (C2) server. If the cybercriminals host these logs on an unsecured or misconfigured directory, Google indexes them. 2. Automated Brute-Force and Credential Stuffing Scripts
It was a specific, ugly little query. It asked the search engine to hunt for text files containing the words "username" and "log," specifically looking for document types that were often mistaken for secure storage but were actually open windows.
: A common naming convention for log files generated by "stealer" malware (infostealers) that capture credentials from a victim's browser. allintext username filetype log passwordlog facebook fixed
In today's digital age, online security is more important than ever. With the rise of social media and online accounts, it's easy to get caught up in the convenience of having multiple usernames and passwords. However, this convenience comes with a significant risk: password leaks.
The initial results may be sparse because Google actively removes known malicious dorks. Instead, try variants: The most common source of these files is
| Purpose | Dork | |--------|------| | General login logs | intitle:"index of" "login" "facebook" filetype:log | | Username + password in logs | "username" "password" "facebook" filetype:log | | More specific | allintext:username password filetype:log facebook.com | | Backup files | "facebook" "password" "backup" filetype:txt | | Exposed .env with FB creds | "FACEBOOK_APP_SECRET" "DB_PASSWORD" filetype:env |
If a website or server is misconfigured, a search engine crawler might index a file meant for internal debugging. This file could contain a plain-text log of user interactions, including: If the cybercriminals host these logs on an
USER: admin PASS: admin
Cybersecurity professionals and hackers use these queries to locate that might contain plain-text usernames and passwords. For example, if a website's error log accidentally records a user's login attempt, that log file might be public if the server is poorly configured. How to protect your information To keep your own data safe from these types of searches:
Add Options -Indexes to your configuration file.