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
CloudSorcerer – A new APT targeting Russian government entities
Kaspersky discovered a new APT CloudSorcerer targeting Russian government entities and using cloud services as C2, just like the CloudWizard actor.
APT trends report Q1 2024
The report features the most significant developments relating to APT groups in Q1 2024, including the new malware campaigns DuneQuixote and Durian, and hacktivist activity.
ToddyCat is making holes in your infrastructure
We continue to report on the APT group ToddyCat. This time, we’ll talk about traffic tunneling, constant access to a target infrastructure and data extraction from hosts.
DuneQuixote campaign targets Middle Eastern entities with “CR4T” malware
New unattributed DuneQuixote campaign targeting entities in the Middle East employs droppers disguised as Total Commander installer and CR4T backdoor in C and Go.
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