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Rule History

SID: 11004399 • Source: ptrules/open

Versions (6)

Rev: 9
Oct 16, 2025, 10:34 AM
Current
Rev: 9
Oct 7, 2025, 5:34 PM
Archived
Rev: 9
Jul 14, 2025, 6:34 AM
Archived
Rev: 9
Jun 19, 2025, 11:34 AM
Archived
Rev: 9
Jun 11, 2025, 11:34 AM
Archived
Rev: 9
Dec 3, 2024, 4:43 PM
Archived

Version DetailsCurrent

Rev: 9 • Oct 9, 2025, 2:49 PM

REMOTE [PTsecurity] SilentTrinity FB set ST_checker3

alert tls any any -> any any (msg:"REMOTE [PTsecurity] SilentTrinity FB set ST_checker3"; flow:established, to_client; stream_size:client, <,3500; stream_size:server, <,8000; content:"|17030303|"; depth:4; byte_test:1,>=,0x03,0,relative; byte_test:1,<=,0x04,0,relative; flowbits:noalert; flowbits:isset, ST_checker2; flowbits:unset, ST_checker2; flowbits:set, ST_checker3; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:11004399; rev:9;)

Oct 9, 2025, 2:49 PM

Oct 9, 2025, 2:49 PM

Oct 16, 2025, 10:34 AM

Oct 16, 2025, 10:34 AM

rules/ptopen-malware.rules