Masked Spider


MASKED SPIDER is the Big Game Hunting (BGH) adversary responsible for the development and likely private operation of BianLian ransomware, which the adversary used until approximately January 2023. Since then, MASKED SPIDER has primarily relied on data theft and extortion to monetize their operations, publishing victims and their stolen data to the adversary’s dedicated leak site (DLS). MASKED SPI...


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IOCs for this adversary


During a cybersecurity incident, indicators of compromise (IoC) are clues and evidence of a data breach.