Stealth Stealer: PhantomVAI Loader Uses Steganography in Images to Inject Katz Stealer and Evade Sandboxes Malware Stealth Stealer: PhantomVAI Loader Uses Steganography in Images to Inject Katz Stealer and Evade Sandboxes Do Son October 16, 2025 0 Researchers from Palo Alto Networksβ Unit 42 have uncovered a multi-stage phishing campaign delivering a new stealthy... Read More Read more about Stealth Stealer: PhantomVAI Loader Uses Steganography in Images to Inject Katz Stealer and Evade Sandboxes