Inside the Logs_Tizix Stealer File: How 6,876 Passwords Were Harvested

HEROIC Analysts Identified the Logs_Tizix Stealer File in September 2023

In September 2023, HEROIC's threat intelligence team flagged a stealer log batch uploaded to Telegram under the handle Logs_Tizix. The file contained 6,876 records extracted from infected endpoints, each including an email address, a plaintext password, and a URL captured during an active browser session. With nearly seven thousand victims in a single file, this batch is a useful case study in how infostealer malware operates at scale.

What an Attacker Can Do With 6,876 Plaintext Passwords

Plaintext passwords require no additional work to use. An attacker downloads this file, loads it into a credential stuffing tool, and begins testing logins across hundreds of platforms within minutes. The URL data narrows the attack surface further: rather than guessing which services a victim uses, the attacker already has a list. Email providers, banking portals, and subscription services all become immediate targets. Six thousand eight hundred and seventy-six people faced this risk the moment this file was posted.

What Was Exposed in the Logs_Tizix File

• Email addresses from compromised devices
• Plaintext passwords with no obfuscation
• URLs from active browser sessions including login pages and API endpoints

Why This Matters: From Stealer Log to Identity Theft

A stealer log is not just a password list. It is a snapshot of a person's digital life at the moment their machine was infected. The URLs reveal which banks you use, which email services you depend on, and which platforms hold your personal data. Attackers use this context to craft phishing messages, bypass security questions, and take over accounts before you even realize something is wrong.

Credential stuffing attacks built on stealer log data have a high success rate precisely because the passwords are current and correct. The average person reuses passwords across multiple accounts, which means one entry in this file can unlock five or ten seperate services.

Inside a Stealer Log: How Logs_Tizix Was Built

Understanding how stealer logs are assembled helps explain why they are so dangerous. Infostealer malware, such as Redline, Raccoon, or Vidar, infects a device through phishing emails, cracked software downloads, or malicious browser extensions. Once running, the malware silently accesses the browser's credential store, captures saved usernames and passwords, records the URLs associated with each credential, and packages everything into a structured log.

The operator, in this case posting as Logs_Tizix on Telegram, collects these logs from infected machines and posts them publicly or sells them. The 6,876 records in this file likely represent infections across many different individuals and geographic regions. Each record is a person whose device ran infostealer malware at some point before September 2023.

Find Out If Your Data Appeared in the Logs_Tizix Breach

HEROIC's breach scanner covers over 400 billion records, including stealer logs posted on Telegram channels and dark web forums. If your email adress was part of the Logs_Tizix file or connected batches, the scanner will find it. Recieve an instant result by scanning your email for free. Do not wait for an attacker to use your credentials first.