AOL Stealer Log Breach: 112,903 Passwords Exposed on Telegram

In August 2023, HEROIC analysts identified a stealer log file circulating on a Telegram channel, uploaded by a user distributing AOL-linked credential data. The file contained 112,903 individual records, each pairing an email address with a plaintext password and the exact URL where that password was used. This is not a typical corporate database leak. It is a raw output file from malware that quietly siphoned saved logins directly off infected devices.

Why This Is Dangerous

Stealer logs are uniquely dangerous because they hand attackers a working set of real, current login combinations tied to specific websites. There is no guessing involved. The malware captured the exact email, the exact password, and the exact site where it was typed in. An attacker can open the file and start logging into accounts within minutes, no cracking or brute forcing require.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs tied to each login

Why This Matters

Because these passwords are stored in plaintext and mapped to specific sites, they are ready-made for credential stuffing attacks. Criminals feed these email and password pairs into automated tools that test the same combination across banking portals, email providers, and shopping accounts. Since so many people reuse passwords, a single stealer log entry can quietly unlock several unrelated accounts, opening the door to account takeover, identity theft, and financial fraud.

How Stealer Logs Work

Stealer malware infects a device, often through a fake download, cracked software, or a malicious email attachment. Once installed, it scans the browser's saved password vault, autofill data, and session cookies, then packages everything into a log file. That file is uploaded to a Telegram channel or dark web marketplace, sometimes sold, sometimes given away for free to build a seller's reputaton. Because the credentials come straight from the victim's own browser, they tend to be accurate and current, which makes stealer logs especially prized among cybercriminals.

Check If You Are Affected

If you have ever saved a password in your browser, it is worth finding out whether your information appears in this or any other leak. HEROIC's free breach scanner checks your email against a database of more than 400 billion exposed records, including stealer logs like this one, so you can see your exposure and take action before someone else does.