alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Gh0stRat C2 Checkin"; flow:established,to_server; content:"|31 00 32 00 33 00 34 00 35 00 36 00 00 00|"; offset:8; depth:14; fast_pattern; content:"|78 9c|"; distance:4; within:2; reference:url,twitter.com/naumovax/status/1703765086014152778; classtype:trojan-activity; sid:2048128; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_09_20, deployment Perimeter, malware_family Gh0stRat, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_27, reviewed_at 2023_09_20;)