Files like this are frequently used as "trojans." A script-kiddy downloading a "fresh" list to start their own hacking career might find that the .rar file contains an infostealer . Instead of getting a list of victims, the person who runs the file becomes the victim, leaking their own cookies and passwords to the original uploader.
They are aggregated from thousands of different data breaches, phishing campaigns, and infostealer malware logs . 998K Private Combolist Fresh User-Pass.rar
If your credentials end up in a list like this, you face a significant risk of . Combolists and ULP Files on the Dark Web - Group-IB Files like this are frequently used as "trojans
Typically structured as email:password or user:password , making them easy for software to read. 998K Private Combolist Fresh User-Pass.rar