alert tcp $HOME_NET any -> $EXTERNAL_NET !25 (msg:"ET MALWARE Gh0st Trojan CnC 2"; flow:established,to_server; dsize:<250; content:"Gh0st"; offset:8; depth:5; classtype:command-and-control; sid:2017505; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_09_21, deployment Perimeter, malware_family Gh0st, malware_family PCRAT, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2019_07_26;)