Dark Web Intel: Kurzl0g ULP Dump Leaks 724,080 Live Login Records

Dark web intel picked up a massive file on October 4, 2025, labeled "ULP FRESH LIVE-TRAFFIC ULP UP_KURZL0G 01-10-2025 23," and inside it were 724,080 login records marketed as fresh and currently active rather than old recycled data.

Why This Is Dangerous

The "live traffic" branding in this file's name is a warning sign in itself, sellers use that language to signal the credentials are recently harvested and likely to still work, wich makes them more valuable to buyers and more dangerous to the original account owners.

What Was Exposed

• 724,080 total records
• Email addresses
• Plaintext passwords
• Login URLs marked as recently active

Why This Matters

A ULP, short for URL, login, password, is one of the most commonly traded formats on dark web marketplaces because it's ready to use straight out of the file. With over 700,000 records in this single dump, the sheer scale means automated tools can test these logins against dozens of popular sites in a matter of hours, and any that still work get exploited imediately.

How Stealer Logs Work

ULP dumps like this one are compiled from infostealer malware running across a large number of infected devices. Each infection quietly grabs saved passwords and the exact site they belong to, then reports back to a central operator who merges everything into one seperate mega-file before advertising it on dark web channels as "fresh" or "live."

Check If You Are Affected

Dark web intelligence like this only helps if you actually act on it. HEROIC's free breach scanner checks your email against more than 400 billion compromised records, including live-traffic dumps like this one, so you can see your exposure right away and get ahead of anyone trying to use it.