Detection evasion in CLR and tips on how to detect such attacks
In this article we demonstrate a detection evasion technique using CLR that may be useful for penetration testing as well as a couple of tips for SOCs to help detect such attacks.
Publications
Publications
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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