AuroraTeamSupport Leak: 15,333 Stolen Passwords Exposed. Yours Might Be One.

HEROIC analysts identified a stealer log upload on a public Telegram channel on November 2, 2025. The file, labeled AuroraTeamSupport 564count, contained 15,333 records pulled directly from compromised endpoints. Each record included an email address, a plaintext password, and a URL pointing to an API host or accessed service. The format is consistent with credential-harvesting malware that runs silently in the background on infected machines, capturing login data as users type it. This kind of exposure is especially serious because the passwords were not hashed or encrypted in any way.

Why Stealer Logs Are Immediately Dangerous

When an attacker gets their hands on a stealer log like this one, they do not need to do much work. Every record comes pre-packaged with a usable email and a working password. Attackers can take these credentials and try them across dozens of other websites in minutes using automated tools. Because many people reuse the same password on multiple accounts, one stolen password can unlock email inboxes, banking portals, social media accounts, and workplace systems. The API host URLs included in this log also give attackers a roadmap to backend services and internal tools, which is even more dangerous for businesses whose employees were affected.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs (API hosts and accessed services)

Why This Matters for Your Security

Stealer log leaks like AuroraTeamSupport fuel some of the most common cyberattacks people face today. Credential stuffing attacks use these exact email and password combinations to break into accounts at scale. Once inside an email account, attackers can reset passwords on banking apps, intercept two-factor authentication codes, and take over an entire digital identity. For businesses, a single compromised employee credential can open the door to payroll systems, customer databases, and internal communications. The financial and reputational damage from that kind of breach can be severe and long-lasting. People who reuse passwords or beleive their accounts are too small to be targeted are particularly at risk.

How Stealer Log Malware Works

A stealer log is the output of a specific type of malware called an infostealer. This software is typically distributed through phishing emails, fake software downloads, or malicious browser extensions. Once installed on a device, it runs quietly and collects saved passwords from browsers, login form inputs, session cookies, and application credentials. It also captures a list of URLs the user has visited or authenticated against. All of this data is packaged into a log file and sent back to the attacker, or uploaded directly to a Telegram channel or dark web forum for distribution. The device owner usually has no idea this has occured. Infostealers are inexpensive to buy on underground markets, which is why these leaks are so frequent.

Check If You Are Affected by This Leak

If you recieved an alert about this breach or think your credentials may have been swept up in a stealer log, the first step is to find out which accounts are at risk. HEROIC's free breach scanner checks your email address against a database of over 400 billion leaked records, including stealer logs like this one. It takes seconds and can tell you exactly which breaches have included your information. Visit heroic.com to run a free scan and find out where you stand before an attacker acts first.