MALWARE [PTsecurity] Malicious SSL connection (Formbook/Upatre Downloader CnC)

SID: 11001983Rev: 10 views
Sourceptresearch/attackdetection
CreatedSeptember 23, 2017
UpdatedSeptember 23, 2017
Classificationtrojan-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"MALWARE [PTsecurity] Malicious SSL connection (Formbook/Upatre Downloader CnC)"; flow:established, to_client; content:"|1703|"; depth:2; content:"|0200|"; distance:1; within:2; fast_pattern; stream_size:server, >,5000; stream_size:server, <,6500; stream_size:client, >,424; stream_size:client, <,905; flowbits:isset, FB346039_2; flowbits:unset, FB346039_2; classtype:trojan-activity; metadata:created_at 2017_9_23; reference:url, github.com/ptresearch/AttackDetection; sid:11001983; rev:1;)

References

urlgithub.com/ptresearch/AttackDetection

Metadata

created at2017_9_23

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