Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED PoisonIvy.smallfish Keepalive to CnC"; flow:established,to_server; content:"|19 07 1b 24 3b 7a 9d e7 77 1e 84 f6 0f 60 3e 27|"; offset:16; depth:16; dsize:48; reference:url,www.fireeye.com/resources/pdfs/fireeye-poison-ivy-report.pdf; classtype:command-and-control; sid:2017359; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_08_21, deployment Perimeter, former_category MALWARE, malware_family PoisonIvy, confidence Medium, signature_severity Critical, tag PoisonIvy, updated_at 2024_12_05;)