Uncommon infection and malware propagation methods

Introduction We are often asked how targets are infected with malware. Our answer is nearly always the same: (spear) phishing. There will be exceptions, naturally, as we will encounter RCE vulnerabilities every now and then, or if the attacker is already on the network, they will use tools like PsExec. But that’s it — most […]

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OnionPoison: infected Tor Browser installer distributed through popular YouTube channel

While performing regular threat hunting activities, we identified multiple downloads of previously unclustered malicious Tor Browser installers. According to our telemetry, all the victims targeted by these installers are located in China. As the Tor Browser website is blocked in China, individuals from this country often resort to downloading Tor from third-party websites. In our […]

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