alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"MALWARE [PTsecurity] Backdoor.Java.Adwind.cu Certificate flowbit set 1"; flow:established, to_client; content:"|3082|"; depth:300; content:"|3082|"; distance:2; within:2; content:"|a00302010202|"; distance:2; within:6; flowbits:set, FB332502_; flowbits:noalert; threshold:type limit, track by_src, count 1, seconds 30; metadata:former_category TROJAN; reference:md5,56e42156a1676b34f5350c01e34875d1; classtype:trojan-activity; reference:url, github.com/ptresearch/AttackDetection; sid:11124751; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2017_09_21, malware_family Adwind, performance_impact Moderate, updated_at 2018_01_30;)