alert tcp any any -> any any (msg:"REMOTE [PTsecurity] Remcos"; flow:established, to_server; stream_size:server, <, 3; stream_size:client, <, 101; content:"|57 6a 64 75 6a 6e 0d 0a|"; startswith; content:"|0d 0a|"; distance:0; content:"|21 32 31 21|"; distance:0; content:"|21 29|"; distance:0; reference:url, app.any.run/tasks/58b9f4c6-9d13-4b0b-9042-f31eef17f905; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:10013692; rev:1;)