alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Hailbot CnC Checkin"; flow:established,to_server; dsize:8; content:"|31 73 13 93 04 83 32 01|"; reference:url,nsfocusglobal.com/mirai-botnets-new-wave-hailbot-kiraibot-catddos-and-their-fierce-onslaught/; classtype:trojan-activity; sid:2050066; rev:1; metadata:attack_target Networking_Equipment, created_at 2024_01_12, deployment Perimeter, malware_family hailBot, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_12; target:src_ip;)