alert tcp $EXTERNAL_NET 3460 -> $HOME_NET any (msg:"ET RETIRED PoisonIvy Key Exchange with CnC Response"; flow:established,from_server; dsize:256; flowbits:isset,ET.Poison1; classtype:command-and-control; sid:2008381; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, former_category MALWARE, malware_family PoisonIvy, signature_severity Critical, tag PoisonIvy, updated_at 2024_12_05;)