alert udp $HOME_NET 1234 -> $EXTERNAL_NET any (msg:"ET MALWARE NAZAR EYService File exfiltrate response"; id:1; content:"---"; reference:url,blog.malwarelab.pl/posts/nazar_eyservice_comm; classtype:command-and-control; sid:2030057; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_04_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_24;)