How a Telegram Stealer Log Leaked 4,500 Passwords Online

HEROIC analysts identified a stealer log file that surfaced on a Telegram channel on February 21, 2024. The file, uploaded by a Telegram user under a batch labeled "TOR_LOG MIX 223PCS," contained 4,500 records harvested directly from infected devices, including email addresses, plaintext passwords, and the URLs of the sites those credentials unlocked.

Why This Is Dangerous

Unlike a typical company data breach, a stealer log hands attackers a ready made map of a person's online life. Each line in the file links an email address to a password and the exact website it opens. That combination lets criminals log directly into accounts without guessing or cracking anything.

Because the passwords were stored in plaintext, there is no encryption to break through. Anyone who obtains this file can start testing logins within minutes.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the associated login pages

Why This Matters

Reused passwords are the biggest risk here. If a password from this leak matches one used on a banking site, email provider, or work account, attackers can pivot fast through a tactic called credential stuffing. That can lead to account takeover, identity theft, or outright financial fraud, often before the victim even notices anything is worng.

How Stealer Logs Work

Stealer logs come from malware quietly installed on a victim's computer, often through a cracked software download, a fake update, or a malicious email attachment. Once running, the malware scans the browser for saved passwords, autofill data, and open session cookies, then bundles everything into a text file.

That file, known in underground circles as a "log," gets sold or shared in bulk on Telegram channels and dark web forums. Buyers sort through thousands of logs looking for valuable accounts such as banking portals, corporate logins, or email addresses tied to other services.

This particular batch of 223 logs was mixed together and dumped for free, a common tactic used to build reputaion on Telegram before selling higher value logs privately.

Check If You Are Affected

You do not need to guess whether your information is sitting in a file like this one. HEROIC's free breach scanner checks your email address against a database of more than 400 billion leaked records, including stealer logs just like this. Run a free scan today to see if your credentials have been exposed and get clear next steps to secure your accounts.