Breach Intelligence Report 18 Sep 2025

YOULOGS 235pcsMix: 4,686 Curated Stealer Log Credentials on Telegram

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Records Exposed 4,686
Source Type Stealer log
Origin Telegram
Password Type plaintext

YOULOGS 235pcsMix: A Curated Stealer Log Batch From a Known Telegram Actor

YOULOGS is not just a file name -- it's a Telegram channel or actor known for regular distibution of stealer log files. The "235pcsMix" designation tells you what's inside: 235 individual pieces, mixed from multiple sources, compilied into a single distributable package and uploaded on September 27, 2023. The 4,686 records it contains are the usable credential extract from that mix -- smaller batches by stealer log standards, but the "YOULOGS" brand association signals a known, repeat actor rather than a one-off opportunistic upload.


YOULOGS 235pcsMix (September 2023): Breach Summary

  • Records Exposed: 4,686
  • Data Types: Email addresses, plaintext passwords, endpoint URLs, API hosts
  • Breach Type: Stealer log
  • Country Affected: United States
  • Date Leaked: September 27, 2023

The "Mix" Format: Curated Stealer Logs vs. Raw Bulk Dumps

Stealer log batches labeled "mix" represent a different category from raw bulk dumps. A raw dump contains everything from a set of infected devices -- consumer email accounts, gaming credentials, social media logins, and occasionally high-value enterprise targets all jumbled together. A curated mix is filtered before distribution: the actor has extracted the most valuable credentials seperately and is sharing the remainder, or has specifically selected logs that contain a particular type of endpoint (cloud APIs, corporate tools, financial services). YOULOGS 235pcsMix at 4,686 records from 235 log pieces is a compact, curated package -- each of those 235 source logs was selected or processed before inclusion.


Known Actor Distribution and the Trust Economy of Stealer Logs

The YOULOGS channel built a reputation through consistent stealer log distribution on Telegram, functioning within an underground trust economy where actors are evaluated by the quality and freshness of their material. When a known channel uploads a batch, it receives more immediate attention than anonymous one-off uploads -- downloaders trust that the data is real and reasonably recent. The September 27, 2023 YOULOGS 235pcsMix upload would have been downloaded and processed quickly by users who recognized the channel's brand, meaning the 4,686 plaintext credentials entered active circulation within hours of the upload going live.


September 2023: The Peak of the Telegram Stealer Log Wave

September 27, 2023 sits one day after the massive September 26 upload surge that saw the MAY series and JUNE 7 series logs all hit Telegram simultaneously. The YOULOGS 235pcsMix upload on September 27 was part of the same broader wave -- different actor, different brand, but the same concentrated period of public stealer log distribution that characterized late September 2023. Users whose credentials appeared across any of these batches were exposed across an interconnected ecosystem of Telegram channels where cross-actor trading and redistribution happens rapidly.


Check If Your Credentials Were Exposed

HEROIC's free breach scanner searches across more than 400 billion exposed records to tell you exactly which of your accounts have been compromised. YOULOGS 235pcsMix credentials are plaintext and have been in circulation since September 2023. Check now at HEROIC.com.

Breach Breakdown

Domain N/A
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 18 Sep 2025
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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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