unit42.paloaltonetworks.com· Jul 7, 2026· by Bharath Nannaka and Pranay Kumar Chhaparwal

Vidar Stealer Unmasked: Code Signing Abuse, Go Loaders and File Inflation

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A cybercrime campaign combined a loader-as-a-service framework and DLL sideloading via a Go-compiled fake MpClient.dll, a novel evasion layer combination. The post Vidar Stealer Unmasked: Code Signing Abuse, Go Loaders and File Inflation appeared first on Unit 42.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#Malware#Threat Research#AMSI#Cryptocurrency#DLL Sideloading#Factory-v3#malvertising#X3D MINER