alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Winos4.0 Framework CnC Checkin (x32.)"; flow:established,to_server; dsize:4; content:"|78 33 32 00|"; reference:url,fortinet.com/blog/threat-research/threat-campaign-spreads-winos4-through-game-application; reference:md5,8f6f306ba501a7e435db720bb97cb1e4; classtype:command-and-control; sid:2059957; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_02_07, deployment Perimeter, malware_family Winos4_0, confidence Medium, signature_severity Critical, updated_at 2025_02_07;)