Leonid Bezvershenko
Security Researcher, GReAT
Leonid joined Kaspersky in 2020 as an intern in the Global Research and Analysis Team (GReAT). In 2021, he was invited to the GReAT as a Junior Security Researcher. In 2023, he was promoted to Security Researcher. In this role, Leonid focuses on open‑source security, reverse engineering and malware analysis. His research includes the analysis of APT campaigns, such as Operation Triangulation and CloudWizard. Additionally, he is actively involved in the development of internal tools and infrastructure.Publications
Reports
Operation ForumTroll: APT attack with Google Chrome zero-day exploit chain
Kaspersky GReAT experts discovered a complex APT attack on Russian organizations dubbed Operation ForumTroll, which exploits zero-day vulnerabilities in Google Chrome.
SideWinder targets the maritime and nuclear sectors with an updated toolset
In this article, we discuss the tools and TTPs used in the SideWinder APT’s attacks in H2 2024, as well as shifts in its targets, such as an increase in attacks against the maritime and logistics sectors.
EAGERBEE, with updated and novel components, targets the Middle East
Kaspersky researchers analyze EAGERBEE backdoor modules, revealing a possible connection to the CoughingDown APT actor.
BellaCPP: Discovering a new BellaCiao variant written in C++
While investigating an incident involving the BellaCiao .NET malware, Kaspersky researchers discovered a C++ version they dubbed “BellaCPP”.
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