LogsDiller Cloud_Free_388_98 uploaded by a Telegram User

We noticed a concerning upload on December 8th, 2025, originating from a Telegram user, which contained a stealer log file. This particular log, identified as "LogsDiller Cloud_Free_388_98," immediately raised flags due to the nature of stealer malware and its potential for widespread credential compromise. What struck us was the relatively high volume of records, 5,199, suggesting a significant number of compromised endpoints or user accounts were logged. The inclusion of plaintext passwords alongside email addresses and URLs presents a critical risk, as it bypasses common authentication layers and directly exposes sensitive access credentials.

The breach breakdown reveals a stealer log file, uploaded by an anonymous Telegram user, containing 5,199 distinct records. Each record comprises an email address, a plaintext password, and associated URLs, likely representing the websites or services accessed by the compromised endpoint. This data was exfiltrated via a stealer malware, which is designed to harvest credentials and sensitive information from infected systems. The direct exposure of plaintext passwords is the most alarming aspect, as it allows attackers to immediately attempt unauthorized access to user accounts across various platforms. The source structure of this leak points to a widespread compromise of individual user devices rather than a direct breach of a specific enterprise system, though the harvested credentials could certainly be used to target enterprise resources.

While this specific incident may not have garnered widespread mainstream news coverage, the proliferation of stealer logs on platforms like Telegram is a well-documented phenomenon within the cybersecurity community. Researchers at various security firms, including Mandiant and CrowdStrike, have consistently reported on the increasing sophistication and availability of stealer malware, detailing its methods of operation and the types of data it targets. The OSINT landscape often reveals discussions on dark web forums and Telegram channels where such logs are traded or shared, highlighting the persistent threat of credential harvesting and its downstream impact on both individuals and organizations.