Inside Hotmail Hits Stealer Logs: 163 Passwords Harvested

HEROIC's DarkHive intelligence platform has cataloged a stealer log titled Hotmail Hits, containing 163 compromised records. Uploaded to Telegram in November 2024, this dataset focuses on Hotmail account credentials that have been verified as working logins — the "hits" designation means the threat actor has already confirmed these passwords grant access to the associated accounts.

The Technical Reality of Plaintext Password Exposure

When passwords are stored in plaintext, no computational effort is needed to exploit them. There is no hash to crack, no salt to work around, and no key derivation function to brute-force. The 163 passwords in this file are immediately actionable — copy, paste, login. For security professionals, plaintext storage represents the worst possible outcome in a credential breach.

What Was Exposed

• Email Addresses — Hotmail/Outlook accounts linked to active sessions
• Plaintext Passwords — Raw credentials extracted directly from browser storage
• URLs — Target domains where the harvested credentials authenticate

How Credential Stuffing Amplifies the Damage

Even 163 confirmed working credentials represent a significant threat when fed into credential stuffing frameworks. Tools like OpenBullet and SentryMBA can test these email-password pairs against hundreds of services per minute. Because Hotmail accounts are frequently used as primary email addresses, a compromised Hotmail password often unlocks password reset flows for connected services like Microsoft 365, OneDrive, and Xbox Live.

Anatomy of an Infostealer Attack

The credentials in this dump were captured by infostealer malware running on victims' computers. These programs hook into browser processes to intercept saved passwords from Chrome, Firefox, and Edge credential stores. Beyond passwords, infostealers also capture session cookies (enabling account access without a password), cryptocurrency wallet seeds, and desktop screenshots. The harvested data is compressed into log packages and transmitted to command-and-control servers before being distributed through channels like Telegram.

Check If Your Credentials Were Exposed

HEROIC's breach scanning tool searches a database of over 400 billion compromised records. Check whether your Hotmail address or any other email appeared in this leak or in thousands of other known data breaches. If your credentials are found, change your password immediately and enable multi-factor authentication to add a second layer of defense.