alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gh0st RAT Variant CNC Checkin Attempt"; flow:established,to_server; content:"|00 00 11 22 33 44|"; depth:8; fast_pattern; reference:md5,db79ac143ccadbd261d4f6ddac73202b; classtype:trojan-activity; sid:2069465; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2026_05_28, deployment Perimeter, malware_family Gh0st_RAT, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2026_05_28; target:src_ip;)