Please guide me how to push signature,updates etc from NSM to sensors

Can somebody help me to get brief information on the below signatures. DCERPC: Frag Length Overly Long-0x47600a00 TCP: ACK Host Sweep-0x40009c00NETBIOS-SS: Guest Login Succeeded-0x4070a500 NETBIOS-SS: NULL Credentials Login-0x4070a400 DCERPC: Spoolss...