TWOSTROKE
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Mandiant ties UNC1549 to long-running campaign using TWOSTROKE and DEEPROOT against aerospace and defence
Google-owned Mandiant linked a cluster it tracks as UNC1549 to a campaign from late 2023 through 2025 in which suspected Iranian espionage actors used backdoors including TWOSTROKE and DEEPROOT to target aerospace, aviation and defence organisations by exploiting third-party credentials, VDI breakouts and targeted phishing.

