Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg: "SPYWARE [PTsecurity] Trickbot/Upatre/Dyre/Dridex SSL Successful Connection"; flow: established, to_client; content: "|17 03 01 01 00|"; depth: 5; content: "|17 03 01 00 20|"; distance: 256; within: 5; content: "|17 03 01|"; distance: 32; within: 3; stream_size: server, <,30000; stream_size: client, <,30000; flowbits: isset, FB320221_0; flowbits: unset, FB320221_0; reference: url, rules.ptsecurity.com; classtype: trojan-activity; sid: 11001760; rev: 9;)