alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Fodcha Bot Domain"; dns.query; content:"fridgexperts.cc"; fast_pattern; reference:url,blog.netlab.360.com/fodcha-a-new-ddos-botnet/; classtype:trojan-activity; sid:2035943; rev:3; metadata:attack_target IoT, created_at 2022_04_13, deployment Perimeter, deprecation_reason Relevance, malware_family Fodcha, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_10;)