The 29.06 Stealer Log Data Quietly Appeared on the Dark Web Last Week

HEROIC analysts identified 2,548 records from a stealer log exposure on August 23, 2023, surfacing on Telegram and revealing email addresses, plaintext passwords, and URLs belonging to compromised endpoints across the United States.

Why 29.06 Uploaded by a Telegram User Data Is Dangerous

This stealer log contained plaintext passwords alongside the email addresses and URLs they belong to, giving attackers an immediately usable credential set. Unlike hashed password leaks that require cracking time, plaintext passwords can be used the moment an attacker downloads the file. The inclusion of URLs means attackers know exactly which services and platforms these credentials unlock, making targeted account takeover fast and efficient. API endpoints and service URLs also expose internal infrastructure that organizations may not realize is being mapped by threat actors.

What Was Exposed in the 29.06 Telegram Stealer Log Breach

• Email addresses
• Plaintext passwords
• URLs (including API endpoints and web service addresses)

Why the 29.06 Telegram Stealer Log Leak Matters

Stealer log files like this one are frequently traded and sold across cybercriminal communities. Once credentials appear in a log, they are typically aggregated into larger combo lists used for credential stuffing attacks, where automated tools test the stolen email-and-password pairs across hundreds of popular websites simultaneously. Even if a victim changes one password, attackers often find the same credentials reused across email, banking, shopping, and social media accounts. This type of exposure creates lasting risk of account takeover, identity theft, and financial fraud that can extend years beyond the original breach date.

How Stealer Logs Work

Stealer logs are produced by malware known as information stealers, software secretly installed on a victim's device through phishing emails, malicious downloads, or compromised software. Once installed, the stealer silently harvests saved passwords from browsers, session cookies, autofill data, and credentials stored in apps. The malware packages all of this data into structured log files and transmits them to an attacker-controlled server. These logs are then distributed through private Telegram channels or sold on dark web markets. The victims often have no idea their machine was infected, and the credentials continue to circulate long after the initial theft.

Check If Your Data Was Exposed

HEROIC's free breach scanner checks your email address against a database of over 400 billion compromised records, including stealer logs like this one. If your credentials appeared in the 29.06 Telegram upload or any similar exposure, HEROIC will alert you immediately so you can take action before attackers do.

Scan your email free at HEROIC and find out if your data is at risk.