alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED PoisonIvy Keepalive to CnC (Operation SMN Variant)"; flow:established,to_server; dsize:48; content:"|01 ec 7e 05 1d 5f 65 ab db 1c df 93 99 cd 06 21|"; offset:16; depth:16; reference:md5,09d4c2f1f24fbdcb1c286b2f4c5589d2; classtype:command-and-control; sid:2019590; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_10_29, deployment Perimeter, former_category MALWARE, malware_family PoisonIvy, confidence Medium, signature_severity Critical, tag PoisonIvy, updated_at 2024_12_05;)