Most publicly available lists are "recycled." By the time a list hits a public forum, the most valuable accounts have already been drained, and many users have already changed their passwords. How to Protect Yourself
Many sites claiming to offer "free combo lists" are actually honey pots. The .txt file you think you are downloading might actually be an .exe or a script designed to install a keylogger on your machine. Download 125K Combo txt
Instead of seeking out these lists, you should focus on ensuring your information isn't on them. Most publicly available lists are "recycled