Netskope Threat Labs

IsmAgent

ATP Sandbox Adv. Heuristics

IsmAgent is a backdoor used by the OilRig intrusion set, whose researchers documented its use of DNS tunneling for command and control alongside the group's other customized implants.

First seen
May 2023
Last seen
October 2026
Alert Name
ByteCode-MSIL.Dropper.IsmAgent
Win32.Backdoor.IsmAgent
Win32.Dropper.IsmAgent