Rule History

alert tcp $EXTERNAL_NET [:32768] -> $HOME_NET any (msg:"ET MALWARE [PTsecurity] Backdoor.Java.Adwind.cu pkt Checker flowbit set 5"; flow:established,to_client; content:"|17 03|"; depth:2; content:"|00 50|"; distance:1; within:2; fast_pattern; stream_size:server, >,1889; stream_size:server, <,2224; stream_size:client, >,1476; stream_size:client, <,8722; flowbits:isset, FB332502_2; flowbits:unset, FB332502_2; flowbits:set, FB332502_3; flowbits:noalert; reference:md5,d93dd17a9adf84ca2839708d603d3bd6; classtype:trojan-activity; sid:2024755; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_21, deployment Perimeter, malware_family Adwind, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2019_07_26;)