May 16, 2025 By Bill Toulas

Ransomware gang members increasingly use a new malware called Skitnet ("Bossnet") to perform stealthy post-exploitation activities on breached networks.

The malware has been offered for sale on underground forums like RAMP since April 2024, but according to Prodaft researchers, it started gaining significant traction among ransomware gangs since early 2025.

Prodaft told BleepingComputer they have observed multiple ransomware operations deploying Skitnet in real-world attacks, including BlackBasta in Microsoft Teams phishing attacks against the enterprise, and Cactus.

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