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 SyncHole: Lazarus APT goes back to the well
Kaspersky GReAT experts uncovered a new campaign by Lazarus APT that exploits vulnerabilities in South Korean software products and uses a watering hole approach.
IronHusky updates the forgotten MysterySnail RAT to target Russia and Mongolia
MysterySnail RAT attributed to IronHusky APT group hasn’t been reported since 2021. Recently, Kaspersky GReAT detected new versions of this implant in government organizations in Mongolia and Russia.
GOFFEE continues to attack organizations in Russia
Kaspersky researchers analyze GOFFEE’s campaign in H2 2024: the updated infection scheme, new PowerModul implant, switch to a binary Mythic agent.
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.
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