alert dns $HOME_NET any -> any any (msg:"ET MALWARE IoT_reaper DNS Lookup M2 (hl859 .com)"; dns.query; content:"hl859.com"; nocase; endswith; fast_pattern; reference:url,blog.netlab.360.com/iot_reaper-a-few-updates-en/; classtype:trojan-activity; sid:2024922; rev:6; metadata:attack_target IoT, created_at 2017_10_25, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_22;)