GuLoader Malware Utilizing New Techniques to Evade Security Software

Dec 26, 2022Ravie LakshmananReverse Engineering Cybersecurity researchers have exposed a wide variety of techniques adopted by an advanced malware downloader called GuLoader to evade security software. “New shellcode anti-analysis technique attempts to thwart researchers and hostile environments by scanning entire process memory for any virtual machine (VM)-related strings,” CrowdStrike researchers Sarang Sonawane and Donato Onofri…

W4SP Stealer Discovered in Multiple PyPI Packages Under Various Names

Dec 24, 2022Ravie LakshmananSoftware Security / Supply Chain Threat actors have published yet another round of malicious packages to Python Package Index (PyPI) with the goal of delivering information-stealing malware on compromised developer machines. Interestingly, while the malware goes by a variety of names like ANGEL Stealer, Celestial Stealer, Fade Stealer, Leaf $tealer, PURE Stealer,…