alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Fodcha Bot Domain"; dns.query; dotprefix; content:".folded.in"; nocase; endswith; reference:url,blog.netlab.360.com/fodcha-a-new-ddos-botnet/; classtype:trojan-activity; sid:2035942; rev:5; metadata:attack_target IoT, created_at 2022_04_13, deployment Perimeter, malware_family Fodcha, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_12, reviewed_at 2024_09_12;)