alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED PoisonIvy.Eks Keepalive to CnC"; flow:established,to_server; content:"|82 ca 6f eb 66 ed 9e 86 dc 95 29 f0 68 a2 5d b8|"; offset:16; depth:16; dsize:48; reference:md5,9a494e7a48436e6defcb44dd6f053b33; classtype:command-and-control; sid:2014144; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_01_24, deployment Perimeter, malware_family PoisonIvy, confidence Medium, signature_severity Critical, tag PoisonIvy, updated_at 2024_12_05;)