The PiratesLogs Dump: 1,613 Stolen Login Credentials Hit the Dark Web via Telegram

HEROIC's threat intelligence team identified the PiratesLogs stealer log while monitoring Telegram channels known for distributing illicit credential files. In November 2023, a Telegram user uploaded a file named PiratesLogs containing 1,613 records with email addresses, plaintext passwords, and URLs that appear to point to internal systems and API endpoints. The relatively small record count is misleading. The presence of internal URLs alongside credentials suggests this was not opportunistic data collection but a targeted harvesting campaign aimed at specific organizations or development environments. The data was verified by HEROIC analysts, confirming the authenticity of the exposed records. Affected users likely never recieved any notification that their credentials had been captured and distributed.

Why the PiratesLogs Stealer Log Is Dangerous

Stealer logs are fundamentally different from database breaches. Rather than extracting credentials from a single platform's database, stealer malware runs on a victim's device and captures every password the user types or saves in their browser. This means the stolen credentials in PiratesLogs are not limited to one website. Each record may contain login details for banking accounts, corporate VPNs, email clients, developer tools, or internal business systems. The inclusion of URLs in this dataset makes it even more alarming, because those URLs reveal where the credentials are used. An attacker holding both the credential and the target URL can attempt a login immediately without any guesswork. The combination of plaintext passwords and specific endpoint addresses makes each record in this dataset immediately actionable for account takeover or corporate intrusion.

What Was Exposed

• Email addresses
• Plaintext passwords (captured directly from devices)
• URLs (potentially pointing to internal systems, APIs, or corporate portals)

Why This Matters

Stealer logs distributed through Telegram have become one of the most active threat vectors in credential theft. Unlike large database breaches that expose many records from a single source, stealer logs aggregate credentials from many different services captured from a smaller number of victims. This means each affected individual in the PiratesLogs dataset may have had credentials for dozens of accounts compromised simultaneously, not just one. The inclusion of API endpoints and internal URLs suggests that at least some of these victims were developers or IT professionals, making the potential damage considerably higher than a typical consumer credential breach. HEROIC analysts have observed similar stealer log distributions on Telegram channels where the data is actively traded and resold, meaning the PiratesLogs dataset has likely been recieved by multiple threat actor groups since it was first uploaded. Organisations whose internal URLs appear in this dataset face a particular risk of targeted intrusion.

How a Stealer Log Breach Works

A stealer log breach begins when malware is installed on a victim's device, typically through a phishing email, a malicious download, or a trojanized software installer. Once running, the malware silently captures saved passwords from browsers, credentials entered into login forms, session cookies, and sometimes the URLs of pages the user visits. All of this data is packaged into a log file and transmitted back to the attacker's server. The attacker then sorts through the logs, extracting the most valuable credentials, and uploads the file to a Telegram channel or dark web forum. The proccess from infection to distribution can happen within hours. In the PiratesLogs case, the file was distributed through a Telegram channel monitored by HEROIC, and the data was confirmed to contain active credentials alongside operational URLs.

Check If You Are Affected

HEROIC offers a free dark web scanner that checks your email against more than 400 billion exposed records, including verified stealer log datasets like PiratesLogs. If your credentials appeared in this dataset or any related stealer log, you will know immediately. Run your email through HEROIC's free scanner, review the results, and change any password that may have been captured. If your organization's internal URLs appear in stealer log datasets, treat it as a potential intrusion indicator and audit access logs for the affected systems. Do not assume a small breach is a small risk. Seperate and targeted credential captures like this one can cause disproportionate damage to the individuals and organizations involved.