alert dns $HOME_NET any -> any any (msg:"ET MALWARE Suspected Blackmoon Related Domain in DNS Lookup"; dns.query; bsize:21; content:"5188870219.lofter.com"; nocase; reference:md5,26e28b0d5e50624d2597ae65cdd41dd5; reference:md5,f2827328571b9c292a1a3759e94c7b4a; reference:md5,53d082f3320b5c6cfd264d1b30298094; classtype:trojan-activity; sid:2046634; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_06_23, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_31; target:src_ip;)