Telegram Stealer Log Dump: 2,598 Plaintext Credentials Leaked March 2023

Incident Overview

In March 2023, an anonymous Telegram user uploaded a stealer log file containing 2,598 records of harvested credentials. The archive bundled plaintext passwords, email addresses, and the exact URLs where victims entered their logins, giving criminals a ready-made map to reuse across hundreds of sites. Telegram channels have become a preferred distribution hub for this type of malware output because files can be circulated instantly and anonymously to thousands of buyers.

What Was Exposed

• 2,598 endpoint credential records
• Email addresses tied to active accounts
• Plaintext passwords (no hashing)
• Login URLs and API host endpoints
• Session artifacts from infected devices

How the Data Was Collected

Stealer logs are produced by info-stealing malware families such as RedLine, Raccoon, Vidar, and Lumma that silently run on compromised Windows endpoints. The malware harvests saved browser credentials, autofill entries, and cookies, then packages them into neatly formatted text files. Operators then upload these bundles to Telegram channels where other threat actors purchase or freely download them for credential-stuffing campaigns.

Why Plaintext Credentials Are Especially Dangerous

Because these 2,598 passwords were captured in plaintext directly from the browser, attackers do not need to crack a single hash. Any victim who reused the same password across multiple services faces immediate account takeover risk, and the included URL data tells attackers exactly which sites to try first. This dramatically compresses the window between compromise and exploitation.

Protecting Yourself After a Stealer Log Leak

• Rotate every password stored in your browser immediately
• Enable multi-factor authentication on email, banking, and cloud accounts
• Run a full anti-malware scan to confirm your device is clean
• Switch from browser password storage to a dedicated password manager
• Monitor financial statements and email forwarding rules for unauthorized changes

Check Your Exposure with HEROIC

HEROIC maintains one of the world's largest breach intelligence databases, with 400 billion-plus compromised records indexed from public leaks, dark web markets, and Telegram stealer log channels. Search your email or domain against our database to see whether your credentials appear in this March 2023 Telegram dump or any of the thousands of stealer logs we continuously ingest. Visit HEROIC.com to run a free exposure check and secure your accounts before attackers reach them first.