Analysis of Multi-Layer Hidden Payload Decryption and Driver-Level Blinding Countermeasures | Tracking the Tactics and Techniques of ‘Viper (Silver Fox)

The ‘Viper (Silver Fox)’ cybercriminal group uses multi-layer encrypted payloads and driver-level blinding techniques to collaboratively evade security software detection and distribute remote-control Trojans on a large scale, posing a highly covert, continuously evolving, and serious threat to domestic users and industries.“游蛇（银狐）”黑产团伙通过多层加密载荷与驱动级致盲技术，协同规避安全软件检测并大规模投放远控木马，对国内用户及行业构成高度隐蔽且持续迭代的严重威胁。