Virus Top Twenty – July 2002
Kaspersky Labs presents the Virus Top 20 for the month of July.
The latest monthly installment of the Kaspersky Virus Top 20 is here. To find out more details about each virus, simply click on the links below.
Reports
Lyceum group reborn
According to older public researches, Lyceum conducted operations against organizations in the energy and telecommunications sectors across the Middle East. In 2021, we have been able to identify a new cluster of the group’s activity, focused on two entities in Tunisia.
GhostEmperor: From ProxyLogon to kernel mode
While investigating a recent rise of attacks against Exchange servers, we noticed a recurring cluster of activity that appeared in several distinct compromised networks. With a long-standing operation, high profile victims, advanced toolset and no affinity to a known threat actor, we decided to dub the cluster GhostEmperor.
DarkHalo after SolarWinds: the Tomiris connection
We discovered a campaign delivering the Tomiris backdoor that shows a number of similarities with the Sunshuttle malware distributed by DarkHalo APT and target overlaps with Kazuar.
APT trends report Q2 2021
This is our latest summary of advanced persistent threat (APT) activity, focusing on significant events that we observed during Q2 2021: attacks against Microsoft Exchange servers, APT29 and APT31 activities, targeting campaigns, etc.
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