alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Parallax CnC Activity M10 (set)"; flow:established,to_server; content:"|29 f5 98 f5|"; depth:4; fast_pattern; content:"|65 b3 b3|"; distance:1; within:3; flowbits:set,ET.Parallax-10; flowbits:noalert; reference:md5,9d60d8928bc0478b3029e59024b5f407; classtype:command-and-control; sid:2030180; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_18;)