alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE zgRAT Activity M3"; flow:established,to_server; flowbits:isset,ET.zgRAT; content:"|d8 be fb a2 14 e1 fa 8c 23 25 b1 b6 fe 37 87 66 27 f3 87 6c|"; depth:20; isdataat:!45,relative; reference:md5,a5e2d994c7df421a18487f484a2f6c64; classtype:trojan-activity; sid:2044196; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_02_13, deployment Perimeter, malware_family zgRAT, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_13, reviewed_at 2023_10_23; target:src_ip;)