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DETECTION OVERVIEW
Risk Factors
The DoublePulsar Windows kernel-mode implant is a command-and-control (C&C) agent that can enable an unauthenticated attacker to run arbitrary shellcode with kernel privileges. This agent is uncommon because it requires sophisticated exploits such as EternalBlue to install the implant.
Category
The DoublePulsar implant is installed in the kernel memory of a victim and then waits for further commands. The attacker can leverage normal Remote Desktop Protocol (RDP) transactions to send a customized request to the victim device with the data signature (called “magic bytes”) “44 37 28 19” and a command. When the victim device sends a 288-byte response to a ping command, the attacker can then send a request with another command, such as the exec command. The exec command tells the implant to run malicious shellcode.
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