Rule History

SID: 11001760 • Source: ptrules/open

Versions (2)

Rev: 9

Oct 16, 2025, 10:34 AM

Current

Rev: 8

Jul 14, 2025, 6:34 AM

Archived

Version DetailsCurrent

Rev: 9 • Oct 9, 2025, 2:49 PM

Message:

SPYWARE [PTsecurity] Trickbot/Upatre/Dyre/Dridex SSL Successful Connection

Rule:

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;)

Created:

Oct 9, 2025, 2:49 PM

Updated:

Oct 9, 2025, 2:49 PM

DB Created:

Oct 16, 2025, 10:34 AM

DB Updated:

Oct 16, 2025, 10:34 AM

Filename:

ptopen-malware.rules