A "combolist" is a massive plain-text file containing stolen email addresses and passwords, often formatted as email:password . These files are used by cybercriminals to perform attacks, where they use automated tools to try these stolen login pairs on various websites, hoping users have reused the same password.
The specific string you mentioned, describes a compressed archive containing approximately 993,000 sets of these stolen credentials. Understanding Combolists Download 993K PRIVATE COMBOLIST EMAILPASS zip
Typically simple text files like user@domain.com:password123 . A "combolist" is a massive plain-text file containing
While many credentials in these lists may be old or "stale," they remain a threat because many users do not change their passwords for years. Recommended Actions If you suspect your information might be in such a list: Combolists and ULP Files on the Dark Web - Group-IB 000 sets of these stolen credentials.
They are compiled from multiple historical data breaches and "info-stealer" malware logs.