alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE zgRAT / PureLogs CnC Activity"; reference:md5,b18a7e266eee1977ef3a145369589d5c; classtype:command-and-control; sid:2033108; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_05_05, deployment Perimeter, malware_family PureLogs, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_10;)