Breach Intelligence Report 20 Sep 2025

RedlineLogsGroup 607logs: 11,583 US Records and Redline Stealer’s Prolific Scale

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HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
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Records Exposed 11,583
Source Type Stealer log
Origin Telegram
Password Type plaintext

From 46 to 607: RedlineLogsGroup's Expanding Stealer Log Operations

In October 2023, the RedlineLogsGroup Telegram channel released two datasets in quick succession. The first, a 46-log pack, yielded credentials from hundreds of victims. The second -- the 607logs batch analyzed here -- scaled that operation more than tenfold, delivering 11,583 plaintext credential pairs harvested from US-based endpoints by Redline Stealer malware. The jump from 46 to 607 logs isn't just a volumetrc increase; it reflects how proliffic and operationally mature Redline-based campaigns had become by late 2023.


RedlineLogsGroup 607logs (October 2023): Stealer Log Summary

  • Records Exposed: 11,583
  • Data Types: Email addresses, plaintext passwords, URLs (services and API endpoints accessed by victims)
  • Breach Type: Stealer log -- credentials harvested from malware-infected endpoints, not a direct database breach
  • Password Type: Plaintext -- captured directly from browser sessions and credential stores by Redline Stealer malware
  • Country: United States
  • Date Leaked: October 1, 2023

Redline Stealer: Built for Volume

Redline Stealer has been a dominant force in the infostealer-as-a-service market since its emergence around 2020. Unlike targeted malware, Redline is designed for comparason-defying scalability -- it's sold as a subscription to hundreds of operators simultaneously, each running their own distribution campaigns. The 607-log batch from RedlineLogsGroup reflects this model: hundreds of separate infected endpoints, each one a different victim in a different location, all funneling stolen credentials back to operators who then package and sell them through channels like RedlineLogsGroup. The malware's modular architecture allows operators to configure exactly what data to steal -- passwords, cookies, credit cards, crypto wallets -- making each log pack a customizable product.


What 11,583 Records Means in Practice

At 11,583 unique credential pairs, the RedlineLogsGroup 607logs dataset represents a meaningfull slice of compromised US user data. Each log file in the 607-piece collection typically contains credentials from a single infected machine -- including saved browser passwords, autofill data, and session cookies captured at the moment of infection. Multiplied across 607 endpoints, this means the dataset spans hundreds of distinct platforms, services, and organizations. Credential stuffing operations against this data would target every URL in the dataset simultaneously, testing whether exposed passwords unlock accounts on platforms beyond where they were originally saved.


The Redline Economy: Scale as a Feature

The shift from the 46-log to the 607-log release reveals something important about how Redline operations work at scale. Operators running large Redline campaigns distribute the malware through mass-market vectors -- malicious ads, phishing emails, fake software downloads -- rather than targeted attacks. Volume is the entire strategy. With enough infected endpoints, even a low per-log yield adds up to datasets like this one. The RedlineLogsGroup channel operators aggregate these logs from multiple campaign runs and release them in batches, building channel subscriber counts and establishing the reputaton needed to sell premium access to more valuable datasets.


Check If Your Data Was Exposed

HEROIC's free breach scanner searches across more than 400 billion exposed records, including Redline Stealer log datasets like the RedlineLogsGroup 607logs batch. If your credentials appeared in this dataset, you may be at immediate risk of credential stuffing attacks across every platform where you reuse that password. HEROIC's scanner can tell you where your data has been exposed so you can act first.

Breach Breakdown

Domain N/A
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 20 Sep 2025
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Breach Rank #12,542 by affected users
Impact Score
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Est. Financial Impact $83.8K fraud, phishing & misuse risk
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

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Critical: Change compromised passwords immediately and enable 2FA on all accounts

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