Based on its naming convention, "EUNE capture hits.txt" likely refers to a data file generated by automated tools used for or unauthorized credential testing (often called "checking" or "hitting").

: The accounts listed in such a file have had their security breached, often through credential stuffing —a process where hackers use lists of leaked emails and passwords from other site breaches to see if they work on Riot Games' servers.

: Tools used to generate "capture" files are frequently bundled with malware or used by threat actors to manage stolen data. Recommended Actions What Is a Cyberattack? | Microsoft Security

The file name suggests it contains successful "hits"—login credentials that worked—for accounts on the server. Likely Content and Context

Account verification status (e.g., whether an email is linked). Security Implications

Files with the "capture" designation in cybercriminal or account-trading communities typically include: : Successful username and password combinations.

If you have found this file on your system or online, it is almost certainly associated with malicious activity: