MALWARE [PTsecurity] Suspicious SSL connection - Observed in Cobalt Strike pkt checker #2 - Suricata Rule 11002071 (ptresearch/attackdetection)

MALWARE [PTsecurity] Suspicious SSL connection - Observed in Cobalt Strike pkt checker #2

SID: 11002071Rev: 10 views

Sourceptresearch/attackdetection

CreatedOctober 15, 2017

UpdatedOctober 15, 2017

Classificationtrojan-activity

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE [PTsecurity] Suspicious SSL connection - Observed in Cobalt Strike pkt checker #2"; flow:established, to_server; dsize:326; stream_size:server, >,800; stream_size:server, <,1200; stream_size:client, >,100; stream_size:client, <,500; content:"|1603|"; depth:2; flowbits:noalert; flowbits:isset, FB363347_1; flowbits:unset, FB363347_1; flowbits:set, FB363347_2; classtype:trojan-activity; metadata:created_at 2017_10_15; reference:url, github.com/ptresearch/AttackDetection; sid:11002071; rev:1;)

References

url	github.com/ptresearch/AttackDetection

MALWARE [PTsecurity] Suspicious SSL connection - Observed in Cobalt Strike pkt checker #2

References

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