Microsoft Threat Intelligence has uncovered a cyberespionage campaign by the Russian state actor we track as Secret Blizzard that has been targeting embassies located in Moscow using an adversary-in-the-middle (AiTM) position to deploy their custom ApolloShadow malware.
ApolloShadow has the capability to install a trusted root certificate to trick devices into trusting malicious actor-controlled sites, enabling Secret Blizzard to maintain persistence on diplomatic devices, likely for intelligence collection. This campaign, which has been ongoing since at least 2024, poses a high risk to foreign embassies, diplomatic entities, and other sensitive organizations operating in Moscow, particularly to those entities who rely on local internet providers.
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Source: Microsoft
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