Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Gamaredon CnC Domain in DNS Lookup (lump .semara .ru)"; dns.query; content:"lump.semara.ru"; nocase; bsize:14; reference:md5,919b119827ca1a947602096fb6328ba3; reference:md5,8959c893438f4a2d34f6eafcbc6f5e4d; reference:url,twitter.com/IntezerLabs/status/1419625563942227970; classtype:domain-c2; sid:2033433; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_07_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_26;)