alert tls $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET JA3 Hash - Suspected Meterpreter Reverse Shell M2 (set)";
flow:established,to_server;
ja3.hash;
content:"72a589da586844d7f0818ce684948eea";
flowbits:set,ET.meterpreter.ja3;
flowbits:noalert;
classtype:command-and-control;
sid:2028830; rev:2;
metadata:attack_target Client_Endpoint, created_at 2019_10_15, deployment Perimeter, malware_family Meterpreter, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_15;
)