Masked Spider

MASKED SPIDER is an opportunistic Big Game Hunting (BGH) eCrime adversary active since at least May 2022. The adversary developed and likely privately operated BianLian ransomware, which encrypted files with AES-256 using hard-coded key information and targeted Microsoft Windows and VMware ESXi platforms. In June 2022, MASKED SPIDER launched their BianLian dedicated leak site (DLS) to publicly nam...