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“In about 80 percent of cases, CovertNetwork-1658 makes only one sign-in attempt per account per day.”
Still, as soon as there is a hit, Storm-0940 moves in to further compromise the target.
Storm-0940s first move was to dump credentials, and install RATs and proxies, for persistence.
Quad7 is a fairly known botnet.
In late September 2024, we reported the botnetadding new features and expanding the attack surface.
The attackers built custommalwareto compromise these endpoints, targeting different clusters.
Each cluster is a variant of *login, with Ruckus, for example, having the rlogin cluster.
Other clusters include xlogin, alogin, axlogin, and zylogin.
Some clusters are relatively large, counting thousands of assimilated devices.
Others are smaller, counting as little as two infections.
