Gelsemium

Since mid-2020, ESET Research has been analyzing multiple campaigns, later attributed to the Gelsemium cyberespionage group, and has tracked down the earliest version of their main malware, Gelsevirine, to 2014. During the investigation, ESET researchers found a new version of Gelsevirine, a backdoor that is both complex and modular. Victims of its campaigns are located…