SPYWARE [PTsecurity] Trickbot/Upatre/Dyre/Dridex SSL Successful Connection
Sourceptrules/open
CreatedOctober 9, 2025
UpdatedOctober 9, 2025
Classificationtrojan-activity
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;)
References
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