Identity Theft Just Got Easier Because of the XL0gs Breach: 11,405 People at Risk

In October 2023, analysts identified a stealer log file posted to Telegram by a user going by XL0gs. The file contained 11,405 records pulled from infected devices, each one pairing an email address with its plaintext password and the URL of the website or service that combination was used on. The data was uploaded publicly, sitting in a Telegram channel where anyone could access and download it. No database was hacked, no company was breached. The data was stolen directly from the devices of everyday users whose computers were infected with malware.

Why This Is Dangerous

Criminals who get their hands on a file like this can immediately start trying those email and password combinations on other websites. Because many people use the same password for multiple accounts, a single stolen credential can unlock email inboxes, streaming accounts, online banking, and shopping sites. The URLs in the file also confirm which services the passwords were already working on, giving attackers a headstart. With 11,405 records available in a single download, the scale of damage that can follow is significant.

What Was Exposed in the XL0gs Stealer Log

• Email addresses
• Plaintext passwords (readable as-is, no cracking required)
• Website and service URLs tied to each credential pair
• Device and endpoint identifiers from infected machines

Why This Matters

Stealer log leaks like this one feed directly into identity theft and account fraud. Once a criminal has access to an email account, they can request password resets on every other service tied to it. From there, they can drain bank accounts, apply for credit in the victims name, reroute deliveries, and lock the real owner out of their own accounts. The victims often do not realise what has hapened until the damage is already done. Plaintext passwords make all of this faster and easier because there is no extra step between having the file and having access to the accounts.

How Stealer Logs Work

An infostealer is a type of malware designed to quietly harvest credentials from a device. It typically gets onto a computer through a phishing email, a fake software download, or a malicious browser extension. Once running, it reads through passwords saved in web browsers, captures active session cookies, and collects any credentials it can find. That data gets bundled into a log file and sent back to the attacker, who then sells it or posts it publicly on Telegram channels. The seperate log files from many infected machines often get combined and distributed as a batch, which is exactly how the XL0gs file was structured.

Check If You Are Affected

HEROIC's free breach scanner searches more than 400 billion exposed records, including stealer logs like XL0gs. If your email address or password shows up in this or any other known data breach, you will see it immediately. Run a free scan at HEROIC.com and take action before someone else does it for you.