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Block port 445 at the network perimeter to prevent lateral movement.

Once memory is controlled, DoublePulsar is installed to act as a listener. 654684.7z

Microsoft officially recommends disabling SMBv1 in favor of SMBv2 or SMBv3. Block port 445 at the network perimeter to

The core script or executable to trigger the kernel-level memory corruption. 654684.7z

The attacker scans a target network for port 445 and verifies if SMBv1 is enabled.