alert tls any any -> any any (msg:"REMOTE [PTsecurity] SilentTrinity"; flow:established, to_server; stream_size:client, <,3500; stream_size:server, <,8000; content:"|1703030065|"; depth:5; flowbits:isset, ST_checker3; flowbits:unset, ST_checker3; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:11004724; rev:4;)