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
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”.
Lazarus group evolves its infection chain with old and new malware
Lazarus targets employees of a nuclear-related organization with a bunch of malware, such as MISTPEN, LPEClient, RollMid, CookieTime and a new modular backdoor CookiePlus.
Careto is back: what’s new after 10 years of silence?
Kaspersky researchers analyze 2019, 2022 and 2024 attacks attributed to Careto APT with medium to high confidence.
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