SUSPICIOUS [PTsecurity] Unusual TOR SSL Activity FB set FB447357_0

SID: 11002430Rev: 6Enabled30 views
Fileptopen-info.rules
CreatedSeptember 25, 2025
UpdatedSeptember 25, 2025
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"SUSPICIOUS [PTsecurity] Unusual TOR SSL Activity FB set FB447357_0"; flow:established, to_server; content:"|1703 01 0020|"; depth:5; fast_pattern; stream_size:server, >,954; stream_size:server, <,3863; stream_size:client, >,166; stream_size:client, <,2558; flowbits:noalert; flowbits:isset, FB0_01; flowbits:set, FB447357_0; reference:url, rules.ptsecurity.com; classtype:misc-activity; sid:11002430; rev:6;)

References

urlrules.ptsecurity.com

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